Gabrielse Research Group

Gerald Gabrielse

Board of Trustees Professor in Physics

Resume


Degrees

Ph.D. University of Chicago, Chicago, Illinois, 1980
M.S. University of Chicago, Chicago, Illinois, 1975
B.S. (honors) Calvin College, Grand Rapids, Michigan, 1973


Positions

Northwestern University, Evanston, IL

Board of Trustees Professor in Physics, 2017 - present

Harvard University, Cambridge, MA

George Vasmer Leverett Professor of Physics, 2003 - 2017
Chair of the Harvard Physics Department, 2000 - 2003
Professor of Physics, 1987 -2017

University of Washington, Seattle, WA

Associate Professor, 1986 - 1987
Assistant Professor, 1985 - 1986
Research Assistant Professor, 1982 - 1985
Research Associate, 1978 - 1982

Secondary Positions

Visiting Scientist at the Max Planck Institute for Quantum Optics, Garching, Germany, 2007 - 2008
Visiting Scientist at the Ludwig Maximilian University, Munich, Germany, 2007 - 2008
Distinguished Fellow of the Cockcroft Institute, Liverpool, UK, 2007 - present
Consultant, PolyChip, Inc., 1999
Consultant, Intermagnetics General Corporation, 1995
Scientist in Residence, Lexington Christian Academy, 1995 - 1996


Honors

Faculty Member

Member of the US National Academy of Sciences, 2007 -
Trotter Prize, Texas A&M University, 2013
Julius Lilienfeld Prize of the American Physical Society, 2011
Davisson-Germer Prize of the American Physical Society, 2002
Alexander von Humboldt Research Award, Germany, 2005
Premio Caterina Tomassoni and Felice Pietro Chisesi Prize, Italy, 2008
Levenson Prize for Excellence in the Education of Undergraduates, Harvard University, 2000
George Ledlie Prize, Harvard University, 2004
Fellow of the American Physical Society, 1992 - present
Distinguished Alumnus Award, Trinity College, 1999
Distinguished Alumni Award, Calvin College, 2006
K----n Lecturer, Lund, Sweden, 2007
William H. Zachariasen Lecturer at the University of Chicago for 2007 - 2008
Poincaré Lecturer, Paris, 2007

Research Associate

Chaim Weizmann Post Doctoral Fellowship, 1979 - 1982

Graduate

Instructor of Physics at Trinity Chr. College (part-time), 1976 - 1978
Argonne Graduate Fellowship, 1976 - 1978
Research Assistantship, 1975 - 1976
Danforth Graduate Fellowship, 1973 - 1978

Undergraduate

Calvin Research Assistantship, 1972 - 1973
Calvin College Teaching Assistantship, 1971 - 1972
Calvin College Faculty Scholarship, 1971 - 1973
Trinity College Faculty Scholarship, 1970 - 1971


Sample of Committees and Services

American Physical Society

Division of Atomic, Molecular and Optical Physics of the American Physical Society (DAMOP)
Vice Chair and Chair of the Fellowship Committee, 2009
Chair Elect, 2010 - 2011
Chair of DAMOP, 2011 - 2012
Chair of the DAMOP Nominations Committee, 2012
Topical Group for Precision Measurements
Executive Committee, 1990 - 1993

National Academy of Sciences

Study Committee on Precision Time and Time Interval Science and Technology of the National Academy of Sciences, 2001 - 2003
Study Committee on High-Energy-Density Plasma Physics of the National Academy of Sciences, 2001 - 2003
Freedom Car Committee of the National Academy of Sciences, 2010 - 2012
U.S. Drive Committee of the National Academy of Sciences, 2011 - 2012
Study Committee on Overcoming Barriers to Electric Vehicle Deployment of the National Academies, 2012 - 2014
Chair of the Atomic, Molecular and Optical Physics Screening Panel of the National Academy of Sciences, 2013 - 2015
Research Reactor Conversion Committee of the National Academy of Sciences, 2014 - 2015
Board on Physics and Astronomy of the National Academy of Sciences, 2014 - 2016

National Science Foundation

Comittee of Visitors, 2015

Boards of Colleges, Schools, and Foundations

Board of Trustees, Calvin College, 1995 - 2000
Board of Trustees, Trinity Christian College, 2003 - 2006
Board of Directors (Vice Chair), North Shore Christian School, 1994 - 1995
Board of Advisors, Templeton Foundation, 2005 - 2007, 2009 - 2011, 2014 - 2016


Brief Research Description

Establishing new paradigms for understanding physical reality requires devising and implementing methods to test their predictions. Gerald Gabrielse probes the predictions, symmetries and extensions to the standard model with exquisite sensitivity, with methods that derive their sensitivity from precision rather than energy.

His 3 parts in 1013 measurement of the electron magnetic moment, the most precisely measured property of an elementary particle, tests the standard model's most precise prediction. For 20 years, one PhD thesis at a time, he and a string of 8 students developed a set of new methods. For the first time, one quantum transitions between the lowest cyclotron and spin states of an electron suspended in the magnetic field of a Penning trap were observed and used for measurement.

Remarkably, his measurement confirms the standard model's most precise prediction to a part per trillion. Several sectors of the standard model are tested. The Dirac equation, predicts most of the moment. QED predicts a part in 103 correction; tenth order terms (tens of thousands of Feynman diagrams) are calculated to achieve the experimental precision. Calculated couplings to hadrons are significant. Weak interaction calculations establish that they are just smaller than the measurement precision.

Despite this success, the standard model that cannot explain why a universe made of matter is possible cannot be the whole story. Gabrielse used very different experimental methods to test modifications to the standard model proposed to fix its shortcomings. Where the standard model predicts an electron electric dipole moment is too small to measure, the proposed modifications (e.g. supersymmetric models) typically predict a much larger moment. He (with collaborators DeMille and Doyle) took advantage of the extremely strong electric field within the ThO molecule to measure the electron's electric moment about 12 times more precisely than had previously been possible. This tested the role of T violation at the TeV scales that the LHC currently probes.

Gabrielse also tested the fundamental CPT symmetry of the standard model by comparing one-particle antiproton and proton cyclotron clocks to compare the charge-to-mass ratios of the antiproton and proton to 9 parts in 1011 to make the most sensitive CPT test with baryons. That these antimatter and matter clocks run at the same rate establishes that the gravitational interaction of these particles is the same to a part in 106 – the most precise direct comparison of antimatter and matter gravity to test the weak equivalence principle. Gabrielse and his team made the first direct one-particle comparison of the antiproton and proton magnetic moments, improving on previous comparisons by a factor of 680.

Finally, Gabrielse started low energy antiproton and antihydrogen physics. He proposed and demonstrated the slowing, trapping and cooling of antiprotons. Antihydrogen formed using his nested Penning trap is trapped in its ground state as he proposed. Hundreds currently use his methods at the CERN storage ring built to pursue his antiproton and antihydrogen dreams to test standard model symmetries even more precisely.


Gabrielse Research in More Detail

1. Most Precise Measurement of the Property of an Elementary Particle Tests the Standard Model's Most Precise Prediction

The one-electron quantum cyclotron developed during a 20 year research program resulted in a measurement of the electron's magnetic moment,
Measured g value
that is 15 times more precise than the value that had been accepted for 20 years. The new devices and methods employed to realize the one-particle quantum cyclotron include a one-particle self-excited oscillator, inhibition of spontaneous emission, a self-shielding superconducting solenoid, and a cylindrical Penning trap.
  • The new magnetic moment value, with independently measured values of the fine structure constant, tests the quantum electrodynamics sector of the standard model of particle physics at an unusual precision – arguably the most precise comparison of a measurement and a calculation.
  • The new magnetic moment value, when standard model theory is presumed to be correct, determines the fine structure constant,
    Measured alpha value
    more than an order of magnitude more accurately than any other method or measurement.
The positron magnetic moment is to be measured next - to provide the most stringent test of CPT invariance with leptons.

2. Most Precise Measurement of the Electron's Electric Dipole Moment – a Most Precise Test of Proposed Standard Model Extensions

The electron's other electric dipole moment – its electric dipole moment – is predicted to be measureable by most proposed extensions to the standard model of particle physics, while the standard model itself predicts that it is unmeasurably small. This makes it a great place to look for a possible breakdown of the standard model.

Gabrielse and his group, in collaboration with the Doyle and DeMille groups, used ThO molecules to show the electron's electric dipole moment is 12 times smaller than had previously been demonstrated. Their limit,

d < 8.7 x 10-29 e cm,
is the smallest limit ever set on the electric dipole moment of a particle. It probes the standard model at the 1 to 3 TeV scale or higher, at or higher than probes being carried out at CERN's Large Hadron Collider.

This work stimulated many particle physics papers aimed at understanding and reconciling this greatly improved limit with predictions of extensions proposed to the standard model.

3. 680-fold improved measurement of the antiproton magnetic moment

The antiproton magnetic moment (scaling naturally as a nuclear magneton rather than a Bohr magneton) is much more difficult to detect than is that of an electron. A research program underway seeks to improve the precision with which the antiproton and proton can be compared by a factor of a million or more, to make a stringent test of CPT invariance with baryons. After realizing the first one-proton self-excited oscillator and using it to measure the proton magnetic moment at the level of a few ppm, the apparatus has been installed at the Antiproton Deccelerator at CERN. This year it was used to make a measurement that is 680 more precise than previous measurements. The next goal is to use quantum jump spectroscopy and a two-trap method to reach ppb precision.

4. Comparing the Antiproton and Proton: Most Stringent Test of CPT invariance with Baryons

Prof. Gabrielse initiated low energy antiproton physics when he, and the small TRAP team that he led, first slowed antiprotons in matter, captured them in a trap, cooled them via electron-cooling in a trap, and accumulated them for low energy measurements. Their comparison of the charge-to-mass ratios of the antiproton and proton,
Measured antiproton proton charge to mass, 9 parts in 1011
has stood for many years as the most stringent test of CPT invariance with baryons.

5. Cold Antihydrogen Studies

Gabrielse initiated cold antihydrogen physics, by providing the methods used to make cold antiprotons available for experiments (above) and by outlining how cold antihydrogen atoms could be produced from trapped antiprotons. The nested Penning trap that Gabrielse and his students demonstrated is a device and method that he and collaborators invented to make opposite sign particles interact long enough for atom formation. Gabrielse and his ATRAP team were one of two teams that first observed the antihydrogen atoms made using this device and method. ATRAP's field ionization detection technique allowed a background-free observation and the only measurement method so for that determines the states of antihydrogen that are being produced. Their method to drive the production of antihydrogen substantially increased the production rate. ATRAP later demonstrated a second method to produce slow antihydrogen, for the first time using lasers to control the production via a charge exchange method.

Shortly after first trapping antiprotons, Gabrielse proposed that the cold antihydrogen atoms be confined in a magnetic trap for precise laser spectroscopy – to compare antihydrogen and hydrogen atoms. This vision and approach is now being pursued by four international collaborations, working at a storage ring that CERN built to allow the pursuit of this vision, and using the his cold antiproton methods. His ATRAP team observed the first production of antihydrogen atoms within the fields of an Ioffe trap. The ALPHA team reports that an antihydrogen atom is so trapped in one of ten trials. ASACUSA is pursuing the production of antihydrogen atoms in a CUSP trap. AEGIS proposes to do antihydrogen gravity experiments, using his cold antiproton methods and the dilution refrigerator methods to produce cold positrons that he and his students demonstrated with electrons. ATRAP's recent focus has been to produce colder antiproton plasmas at much lower temperatures as a step to producing usable numbers of antihdyrogen atoms that are cold enough to be trapped.

6. Searching for the Electron Electric Dipole Moment

Prof. Gabrielse and his collaborators seek to measure the electron's electric dipole moment using cold ThO molecules. The experiment is under development.

7. Miscellaneous


Publications

Undergraduate (*indicates abstract only)

  1. "Density of Liquid Metals: Calcium, Strontium and Barium",
    S. Hiemstra, D. Prins, G. Gabrielse, J.B. Van Zytveld,
    Phys. Chem. Liq. 6, 271 (1977).

Graduate

  1. "Mean-life Measurements of Ionized Ar and Cl Excited States at Grazing Incidence Wavelengths",
    H.G. Berry, J. Desesquelles, P. Tryon, P. Schnur, G. Gabrielse,
    Phys. Rev. A 14, 1457 (1976).

  2. * "Analysis of Hydrogenic Coherence Effects by the Applied Electric Field Technique",
    G. Gabrielse and Y.B. Band,
    Bull. Am. Phys. Soc. 21, 1251 (1976).

  3. * "Orientation of Fast Ions by Surface Scattering",
    H.G. Berry, G. Gabrielse, J. Desesquelles, R.M. Schectman,
    Bull. of Am. Phys. Soc. 21, 1265 (1976).

  4. "Spatial Distribution of Orientation of Fast Ions Excited by Grazing-Surface Collisions"
    H.G. Berry, G. Gabrielse, A.E. Livingston, R.M. Schectman, J. Desesquelles,
    Phys. Rev. Letters 38, 1473 (1977).

  5. "Coherent State Multipole Moments: Source of Important Scattering Information"
    G. Gabrielse, Y.B. Band,
    Phys. Rev. Letters 39, 697 (1977).

  6. * "Foil Material and Beam Current Dependence of Alignment in Beam-Foil Spectroscopy",
    H.G. Berry, G. Gabrielse, A.E. Livingston,
    Bull. of Am. Phys. Soc. 22, 82 (1977).

  7. * "Comparisons of Tilted Foil- and Tilted Surface-Beam Spectroscopy",
    A.E. Livingston, H.G. Berry, G. Gabrielse,
    Bull. Am. Phys. Soc. 22, 82 (1977).

  8. * "Spatial Distribution of Orientation Produced by Fast Ions by Collisions with Copper Surfaces",
    G. Gabrielse, H.G. Berry, A.E. Livingston,
    Bull. Am. Phys. Soc. 22, 82 (1977).

  9. "Measurement of the Stokes Parameters of Light",
    H.G. Berry, G. Gabrielse and A.E. Livingston,
    Applied Optics 16, 3200 (1977).

  10. "Material-dependent Variations of Alignment in Beam-Foil Excitation";
    H.G. Berry, G. Gabrielse, T. Gay, A.E. Livingston,
    Phys. Scripta 16, 99 (1977).

  11. * "Opposite Parity Coherence in Thin Foil Excitation of Hydrogen n=2",
    G. Gabrielse,
    Bull. Am. Phys. Soc. 22, 1320 (1977).

  12. * "An Intuitive Picture of the Coherent Excitation of Hydrogen by Electron Impact: Why Plane Wave and Distorted Wave Born Approximations are Inappropriate",
    G. Gabrielse and Y.B. Band,
    Bull. Am. Phys. Soc. 22, 1312 (1977).

  13. * "Calculation of Hydrogen Coherence Multipoles Produced by Electron Impact",
    Y. Band and G. Gabrielse,
    Bull. Am. Phys. Soc. 22, 1312 (1977).

  14. "Production of Orientation and Alignment in Heavy Ion-Surface Collisions",
    H.G. Berry, G. Gabrielse and A.E. Livingston,
    Phys. Rev. A 16, 1915 (1977).

  15. "Alignment of Helium Excited by Thin Carbon Foils",
    R.D. Hight, R.M. Schectman, H.G. Berry, G. Gabrielse and T. Gay,
    Phys. Rev. A 16, 1805 (1977).

  16. "Optical Observations of the Dissociation of Fast Molecules in Thin Foils",
    H.G. Berry, A.E. Livingston and G. Gabrielse,
    Phys. Letters 64A, 68 (1978).

  17. "Significance of Time-Reversal Symmetry for Time Resolved Measurements of Hydrogenic and Other Atomic Observables",
    G. Gabrielse,
    Phys. Rev. A22, 138 (1980).

  18. "Measurement of the n=2 Density Operator for Hydrogen Atoms Produced by Passing Protons Through Thin Carbon Targets",
    G. Gabrielse,
    Phys. Rev. A23, 775 (1981).

Postgraduate

  1. * "Proposal to Detect Spin Flips in Geonium via Linked Axial Excitation",
    H. Dehmelt, R.S. Van Dyck, P.B. Schwinberg and G. Gabrielse,
    Bull. Am. Phys. Soc. 24, 675 (1979).

  2. * "Single Elementary Particles at Rest in Free Space",
    H. Dehmelt, R.S. Van Dyck, P.B. Schwinberg and G. Gabrielse,
    Bull. Am. Phys. Soc. 24, 757 (1979).

  3. * "Analyzing Individual Low-k Axial Motion Quantum States in Geonium",
    H. Dehmelt and G. Gabrielse,
    Bull. Am. Phys. Soc. 24, 758 (1979).

1980

  1. * "Observed Relativistic Mass Increase for 0.3 eV Electron",
    G. Gabrielse and H. Dehmelt,
    Bull. Am. Phys. Soc. 25, 1149 (1980).

1981

  1. * "Magnetic Bottles and Compensation for Geonium",
    G. Gabrielse and H. Dehmelt,
    Bull. Am. Phys. Soc. 26, 598 (1981).

  2. * "Misalignment of B for Geonium",
    G. Gabrielse and R. S. Van Dyck,
    Bull. Am. Phys. Soc. 26, 598 (1981).

  3. * "Faster, Simpler Schemes to Distinguish n=0,1 in Geonium",
    H. Dehmelt and G. Gabrielse,
    Bull. Am. Phys. Soc. 26, 797, (1981).

1982

  1. "Precision Spectroscopy of a Charged Particle in an Imperfect Penning Trap",
    L. Brown and G. Gabrielse,
    Rapid Communications of Phys. Rev. A 25, 2423 (1982).

  2. * "Fast Frequency Selective Excitation of Anharmonic (Relativistic) Cyclotron Motion",
    H. Dehmelt and G. Gabrielse,
    Bull. Am. Phys. Soc. 27, 481 (1982).

1983

  1. "A Relaxation Calculation of the Electrostatic Properties of Compensated Penning Traps with Hyperbolic Electrodes",
    G. Gabrielse,
    Phys. Rev. A 27, 2277 (1983).

  2. * "Geonium Spectra and the Finer Structure of the Electron",
    R.S. Van dyck, P. Schwinberg, G. Gabrielse and H. Dehmelt,
    (1983).

1984

  1. "Geonium Without a Magnetic Bottle - A New Generation",
    G. Gabrielse and H. Dehmelt,
    in Precision Measurements and Fundamental Constants II, Ed. by B. N. Taylor and W.D. Phillips, Natl. Bur. of Standards (U.S.), Spec. Publ. 617, p. 219 (1984).

  2. * "Comb Excitation Scheme for Resolving the Cyclotron Spectrum of Geonium",
    H. Dehmelt and G. Gabrielse,
    Bull. Am. Phys. Soc. 29, 44, (1984).

  3. "Detection, Damping and Translating the Center of the Axial Oscillation of a Charged Particle in a Penning Trap with Hyperbolic Electrodes",
    G. Gabrielse,
    Phys. Rev. A 29, 462 (1984).

  4. "Cylindrical Penning Traps with Orthogonalized Anharmonicity Compensation",
    G. Gabrielse and F. Colin MacKintosh,
    Int. J. Mass Spectroscopy and Ion Processes 57, 1 (1984).

  5. * "Quasi-thermal, Multi-step Excitation Scheme for Geonium Cyclotron Spectroscopy",
    H. Dehmelt and G. Gabrielse,
    Bull. Am. Phys. Soc. 29, 926 (1984).

  6. * "Reduction of Geonium Linewidth via Decoupling from the Radiation Field",
    G. Gabrielse, R. S. Van Dyck, Jr., P. Schwinberg and H. Dehmelt,
    Bull. Am. Phys. Soc. 29, 926 (1984).

  7. * "Detection of 25 Millivolt Electron Energies via Special Relativity",
    G. Gabrielse, W. Kells and H. Dehmelt,
    Proceedings of ICAP IX, B87 (1984).

  8. * "Achieving Cold Antiprotons in a Penning Trap",
    W. Kells, G. Gabrielse, and K. Helmerson,
    Proceedings of ICAP IX, B88 (1984).

  9. * "New Trapping Tricks (Special Relativity Below 20 milli-eV and the Inhibition of Spontaneous Emission)",
    G. Gabrielse,
    Proceedings of ICAP IX, B88 (1984).

  10. "On Achieving Cold Antiprotons in a Penning Trap",
    W. Kells, G. Gabrielse and K. Helmerson,
    Fermilab - Conf. - 84/68 - E (1984).

1985

  1. "Observation of a Relativistic Bistable Hysteresis in the Cyclotron Motion of a Single Electron",
    G. Gabrielse, H. Dehmelt and W. Kells,
    Phys. Rev. Lett. 54, 537 (1985).

  2. "Precision Comparison of Proton and Antiproton Masses in a Penning Trap",
    G. Gabrielse, H. Kalinowsky and W. Kells,
    in Physics with Antiprotons at LEAR in the ACOL Era, edited by U. Gastaldi, R. Klapisch, J.M. Richard and J. Tian Thanh Van
    (Editions Frontieres, Gif Sur Yvette, France), 665 (1985).

  3. "Observation of Inhibited Spontaneous Emission",
    G. Gabrielse and H. Dehmelt,
    Phys. Rev. Lett. 55, 67 (1985).

  4. "Cyclotron Motion in a Microwave Cavity: Possible shifts of the Measured Electron g Factor",
    L.S. Brown, G. Gabrielse, K. Helmerson and J. Tan,
    Phys. Rev. Lett. 55, 44 (1985).

  5. "Cyclotron Motion in a Microwave Cavity: Lifetime and Frequency Shifts",
    L.S. Brown, G. Gabrielse, K. Helmerson and J. Tan,
    Phys. Rev. A 32, 3204 (1985).

1986

  1. "Geonium Theory: Single Electrons and Ions in a Penning Trap",
    L.S. Brown and G. Gabrielse,
    Rev. Mod. Phys. 58, 233-311 (1986).

  2. "Prospects for Experiments with Trapped Antiprotons",
    G. Gabrielse, K. Helmerson, R. Tjoelker, X. Fei, T. Trainor, W. Kells, H. Kalinowsky,
    in Proceedings of Workshop on Low Energy Antiprotons, edited by L. Pinsky and B. Bonner, (Fermilab, 1986).

  3. "First Capture of Antiprotons in a Penning Trap: A KeV Source",
    G. Gabrielse, X. Fei, K. Helmerson, S. L. Rolston, R. Tjoelker, T. A. Trainor, H. Kalinowsky, J. Haas, and W. Kells,
    Phys. Rev. Lett. 57, 2504 (1986).

1987

  1. "Penning Traps, Masses and Antiprotons",
    G. Gabrielse,
    in Fundamental Symmetries, edited by P. Bloch, P. Paulopoulos and R. Klapisch, p. 59 (Plenum, New York, 1987).

  2. "High Voltage Switching for In-flight Capture of KeV Antiprotons in a Penning Trap",
    X. Fei, R. Davisson and G. Gabrielse,
    Rev. of Sci. 58, 2197 (1987).

  3. "First Capture of Antiprotons in an Ion Trap and the Possibility of Antihydrogen",
    G. Gabrielse,
    in Proceedings of Workshop on Cooling Condensation and Storage of Hydrogen, edited by J. Bahns,
    Univ. of Dayton, (1987).

  4. "First Antiprotons in an Ion Trap",
    G. Gabrielse, X. Fei, K. Helmerson, S. L. Rolston, R. Tjoelker, T.A. Trainor, H. Kalinowsky, J. Haas, W. Kells,
    p. 22, in Laser Spectroscopy VIII, ed. by W. Persson and S. Svanberg (Springer-Verlag, New York, 1987).

  5. "Antihydrogen Production",
    G. Gabrielse, L. Haarsma, S. L. Rolston, W. Kells,
    p. 26, in Laser Spectroscopy VIII, ed. by W. Persson and S. Svanberg (Springer-Verlag, New York, 1987).

1988

  1. "Cyclotron Motion in a Penning Trap Microwave Cavity",
    L. S. Brown, G. Gabrielse, J. Tan, K. C. D. Chan,
    Phys. Rev. A37, 4163 (1988).

  2. "First Capture of Antiprotons in an Ion Trap: Progress Toward A Precision Mass Measurement and Antihydrogen",
    G. Gabrielse, X. Fei, K. Helmerson, S. L. Rolston, R. Tjoelker, T.A. Trainor, H. Kalinowsky, J. Haas, W. Kells,
    Phys. Scripta T22, 36 (1988).

  3. "Collisions with Trapped Antiprotons",
    G. Gabrielse,
    p. 463, in Electronic and Atomic Collisions, by H. B. Gilbody, W. R. Newell, F. H. Read and A. C. H. Smith, (North-Holland, New York, 1988).

  4. "Antihydrogen Production Using Trapped Plasmas",
    G. Gabrielse, L. Haarsma, S. Rolston and W. Kells,
    Physics Letters A 129, 38 (1988).

  5. "Self-shielding Superconducting Solenoid Systems",
    G. Gabrielse and J. Tan,
    J. Appl. Phys. 63 (10), 5143,(1988).

  6. "Cooling Antiprotons in an Ion Trap",
    S.L. Rolston and G. Gabrielse,
    Hyperfine Interactions 44, 233 (1988).

  7. "Trapped Antihydrogen for Spectroscopy and Gravitation Studies: Is It Possible?",
    G. Gabrielse,
    Hyperfine Interactions 44, 349 (1988.)

  8. "Possible Antihydrogen Production Using Trapped Plasmas",
    G. Gabrielse, S.L. Rolston, L. Haarsma and W. Kells,
    Hyperfine Interactions 44, 287 (1988).

1989

  1. "Tests of CPT Invariance with Leptons and Baryons",
    G. Gabrielse,
    Nucl. Phys. B8, 448 (1989).

  2. "Open-endcap Penning Traps for High Precision Experiments",
    G. Gabrielse, L. Haarsma, S.L. Rolston,
    Intl. J. of Mass Spec. and Ion Proc. 88, 319 (1989).

  3. "Barkas Effect With Antiprotons and Protons",
    G. Gabrielse, X. Fei, L.A. Orozco, S.L. Rolston, R.L. Tjoekler, T.A. Trainor, J. Haas, H. Kalinowsky, W. Kells,
    Rapid Comm. of Physics Rev. A 40, 481 (1989).

  4. "Positrons for Low Energy Antihydrogen Production",
    G. Gabrielse and B. Brown,
    in The Hydrogen Atom, edited by G.F. Bassani, M. Inguscio, T.W. Hansch,
    (Springer-Verlag, Berlin, 1989, p. 196).

  5. "Cooling and Slowing of Trapped Antiprotons Below 100 meV",
    G. Gabrielse, X. Fei, L.A. Orozco, R.L. Tjoelker, J. Haas, H. Kalinowsky, T. Trainor, W. Kells,
    Phys. Rev. Lett. 63, 1360 (1989).

  6. "One Electron in a Cylindrical Microwave Cavity",
    J. Tan and G. Gabrielse,
    Appl. Phys. Lett. 55, 2144 (1989).

1990

  1. "Comment on "Single-Ion Cyclotron Resonance Measurement of M(CO+)/M(N+2)",
    G. Gabrielse,
    Phys. Rev. Lett. 64, 2098 (1990).

  2. "Cavity Shifts of Measured Electron Magnetic Moments",
    G. Gabrielse, J. Tan and L.S. Brown,
    in Quantum Electrodynamics, edited by T. Kinoshita, (World Scientific, Singapore, 1990).

  3. "Thousand-fold Improvement in the Measured Antiproton Mass",
    G. Gabrielse, X. Fei, L.A. Orozco, R.L. Tjoelker, J. Haas, H. Kalinowsky, T.A. Trainor, W. Kells,
    Phys. Rev. Lett. 65, 1317 (1990).

1991

  1. "A Superconducting Solenoid System Which Cancels Fluctuations in the Ambient Magnetic Field",
    G. Gabrielse, J. Tan, P.Clateman, L.A. Orozco, S.L. Rolston, C.H. Tseng, R.L. Tjoelker,
    J. Mag. Res. 91, 564 (1991).

  2. "Synchronization of Parametrically Pumped Electron Oscillators with Phase Bistability",
    J. Tan, G. Gabrielse,
    Phys. Rev. Lett. 67, 3090 (1991).

  3. "Cryogenic Antiprotons: A 1000-Fold Improvement in Their Measured Mass",
    G. Gabrielse, X. Fei, W. Jhe, L.A. Orozco, J. Tan, R.L. Tjoelker, J. Haas, H. Kalinowsky, T.A. Trainor, W. Kells,
    in Atomic Physics 12, Twelfth International Conference on Atomic Physics, edited by J.C. Zorn, R.R. Lewis
    (American Institute of Physics, New York, NY), 549 (1991).

  4. "Geonium "K" experiment using spin dependency of cyclotron frequency supports g data of earlier geonium "S" work",
    R. Mittleman, F. Palmer, G. Gabrielse and H. Dehmelt,
    Proc. Natl. Acad. Sci. 88, 9436 (1991).

1992

  1. "Cooling Elementary Particles",
    G. Gabrielse,
    in Laser Manipulation of Atoms and Ions, edited by E. Arimondo, W.D. Phillips, and F. Strumia,
    (North Holland, New York), p. 631 (1992).

  2. "Antiprotons, Positrons and Antihydrogen",
    G. Gabrielse, W. Jhe, D. Phillips, R. Kaiser, H. Kalinowsky, J. Gröbner,
    Mat. Sci. Forum 105-110, 75 (1992).

  3. "Extremely Cold Antiprotons",
    G. Gabrielse, Scientific American, December, 1992 p. 78-89.

1993

  1. "Cylindrical Penning Traps and Self-Shielding Superconductiong Solenoids for High Precision Experiments",
    W. Jhe, D. Phillips, L. Haarsma, J. Tan, G. Gabrielse,
    Physica Scripta 46, 264 (1992); RPS 20, 44 (1993).

  2. "Precision Mass Measurements of Antiprotons in a Penning Trap",
    W. Jhe, D. Phillips, G. Gabrielse, J. Gröbner, H. Kalinowsky,
    Physica Scripta, 46, 268 (1992); RPS20, 48 (1993).

  3. "Parametrically-Pumped Electron Oscillators",
    J. Tan and G. Gabrielse,
    Phys. Rev. A., 48 3105 (1993).

  4. "Extremely Cold Antiprotons, For Mass Measurements and Antihydrogen",
    G. Gabrielse, W. Jhe, D. Phillips, W. Quint, C. Tseng, L. Haarsma, K. Abdullah, J. Gröbner, H. Kalinowsky, in Atomic Physics 13, Thirteenth International Conference on Atomic Physics,
    (American Institute of Physics, New York, NY), 85 (1993).

  5. "The Magnetic Moment of the Antiproton",
    W. Quint and G. Gabrielse,
    Hyperfine Interactions 76, 379 (1993).

  6. "(Anti)Hydrogen Recombination Studies in a Nested Penning Trap",
    W. Quint, R. Kaiser, D. Hall, G. Gabrielse,
    Hyperfine Interactions 76, 181 (1993).

  7. "Extremely Cold Antiprotons for Antihydrogen Production",
    G. Gabrielse, W. Jhe, D. Phillips, W. Quint, C. Tseng, L. Haarsma, K. Abdullah, J. Gröbner, H. Kalinowsky,
    Hyperfine Interactions 76, 81 (1993).

  8. "Portable Trap Carries Particles 5000 Kilometers",
    C. Tseng and G. Gabrielse,
    Hyperfine Interactions 76, 381 (1993).

  9. "Extremely Cold Positrons for Antihydrogen Production",
    L. Haarsma, K. Abdullah, G. Gabrielse,
    Hyperfine Interactions 76, 143 (1993).

  10. "Observing a Single Trapped Antiproton",
    G. Gabrielse, W. Jhe, D. Phillips, W. Quint, H. Kalinowsky, J. Gröbner,
    Nuclear Physics A 558, 701c (1993).

  11. "A Single Trapped Antiproton and Antiprotons for Antihydrogen Production",
    G. Gabrielse, W. Jhe, D. Phillips, W. Quint, L. Haarsma, K. Abdullah, H. Kalinowsky, J. Gröbner,
    Hyperfine Interactions 81, 5 (1993).

1994

  1. "One Electron in a Cavity",
    G. Gabrielse and J. Tan,
    in Cavity Quantum Electrodynamics, edited by P. Berman, (Academic Press, New York, p. 267, 1994).

  2. "Trapped Positrons for Antihydrogen",
    G. Gabrielse, L. Haarsma, K. Abdullah,
    Hyperfine Interactions 89, 371 (1994).

1995

  1. "Extremely Cold Positrons Accumulated Electronically in High Vacuum",
    L. Haarsma, K. Abdullah, G. Gabrielse,
    Phys. Rev. Lett. 75, 806 (1995).

  2. "One-Electron Parametric Oscillator",
    C.H. Tseng and G. Gabrielse,
    Appl. Phys. B 60, 95 (1995).

  3. "Special Relativity and the Single Antiproton: Forty-fold Improved Comparison of Charge-to-Mass Ratios",
    G. Gabrielse, D. Phillips, W. Quint, H. Kalinowsky, G. Rouleau, W. Jhe,
    Phys. Rev. Lett. 74, 3544 (1995).

  4. "New Comparison of Charge-to-Mass Ratios",
    G. Gabrielse, D. Phillips, W. Quint, H. Kalinowsky, G. Rouleau, W. Jhe,
    in Proc. of the 3rd Biennial Conference on Low Energy Antiproton Physics,
    edited by G. Kernel, P. Krizan, M. Mikuz (World Scientific, Singapore), p. 462 (1995).

  5. "Extremely Cold Positrons for Antihydrogen",
    G. Gabrielse, L. Haarsma, K. Abdullah,
    in Proc. of the 3rd Biennial Conference on Low Energy Antiproton Physics,
    edited by G. Kernel, P. Krizan, M. Mikuz (World Scientific, Singapore), p. 598 (1995).

  6. "Electronic Accumulation of Extremely Cold Positrons in Ultrahigh Vacuum",
    K. Abdullah, L. Haarsma, G. Gabrielse,
    Physica Scripta T59, 337 (1995).

  7. "Improved Comparison Antiproton and Proton Charge-to-Mass Ratios",
    D. Phillips, W. Quint, G. Gabrielse, H. Kalinowsky, G. Rouleau, W. Jhe,
    Physica Scripta T59, 307 (1995).

  8. "Relativistic Mass Increase at Slow Speeds",
    G. Gabrielse,
    Am. J. Phys. 63, 568 (1995).

1996

  1. "Electron-Cooling of Protons in a Nested Penning Trap",
    D.S. Hall, G. Gabrielse,
    Phys. Rev. Lett. 77, 1962 (1996).

1997

  1. "Dressed Coherent States of the Anharmonic Oscillator",
    D. Enzer, G. Gabrielse,
    Phys. Rev. Lett. 78, 1211 (1997).

  2. "Comparing the Antiproton and Proton and Progress Toward Cold Antihydrogen",
    G. Gabrielse, D.S. Hall, A. Khabbaz, T. Roach, P. Yesley, C. Heimann, H. Kalinowsky, W. Jhe and B. Brown,
    in Atomic Physics 15 - Fifteenth International Conference on Atomic Physics, Zeeman-Effect Centenary,
    edited by H.B. van Linden van den Heuvell, J.T.M. Walraven, and M.W. Reynolds (World Scientific, Singapore), p. 446 (1997).

  3. "Comparing the Antiproton and Proton and Progress Toward Cold Antihydrogen",
    G. Gabrielse, D.S. Hall, A. Khabbaz, T. Roach, P. Yesley, C. Heimann, H. Kalinowsky, W. Jhe and B. Brown,
    edited by H. Koch, M. Kunze and K. Peters, Nucl. Phys. B. (Proc. Suppl.), 56A, 326 (1997).

1998

  1. "Pretty Vacant",
    G. Gabrielse,
    New Scientist Letter, 158 (2138), 51 (1998).

1999

  1. "One-bit Memory Using One Electron: Parametric Oscillations in a Penning Trap",
    C.H. Tseng, D. Enzer, G. Gabrielse and F.L. Walls,
    Phys. Rev. A 59, 2094 (1999).

  2. "Precision Mass Spectroscopy of the Antiproton and Proton Using Simultaneously Trapped Particles",
    G. Gabrielse, A. Khabbaz, D.S. Hall, C. Heimann, H. Kalinowsky and W. Jhe,
    Phys. Rev. Lett. 82, 3198 (1999).

  3. "The Ingredients of Cold Antihydrogen: Simultaneous Confinement of Antiprotons and Positrons at 4 K",
    G. Gabrielse, D.S. Hall, T. Roach, P. Yesley, A. Khabbaz, J. Estrada, C. Heimann, and H. Kalinowsky,
    Phys. Lett. B 455, 311 (1999).

  4. "Stochastic Phase-Switching of a Parametrically-Driven Electron in a Penning Trap",
    L.J. Lapidus, D. Enzer and G. Gabrielse,
    Phys. Rev. Lett. 83, 899 (1999).

  5. "Testing CPT with Precision Mass Spectroscopy of the Antiproton and Proton",
    G. Gabrielse, A. Khabbaz, D.S. Hall, C. Heimann, H. Kalinowsky and W. Jhe,
    in Proc. of the Meeting on CPT and Lorentz Symmetry,
    edited by V. A. Kostelecy, World Scientific, Singapore, p. 94 (1999).

  6. "Observing the Quantum Limit of an Electron Cyclotron: QND Measurements of Quantum Jumps Between Fock States",
    S. Peil and G. Gabrielse,
    Phys. Rev. Lett. 83, 1287 (1999).

  7. "Progress Toward Cold Antihydrogen",
    G. Gabrielse, J. Estrada, S. Peil, T. Roach, J.N. Tan and P. Yesley,
    In Non-Neutral Plasma Physics III (AIP Conference Proceedings 498), edited by J.J. Bollinger,
    R.L. Spencer, R.C. Davidson, American Institute of Physics, Melville, New York, p. 29 (1999).

2000

  1. "Field Ionization of Strongly Magnetized Rydberg Positronium: A New Physical Mechanism for Positron Accumulation",
    J. Estrada, T. Roach, J.N. Tan, P. Yesley, and G. Gabrielse,
    Phys. Rev. Lett. 84, 859 (2000).

2001

  1. "Comparing the Antiproton and Proton, and Opening the Way to Cold Antihydrogen",
    G. Gabrielse,
    In Advances in Atomic, Molecular, and Optical Physics, Vol. 45, edited by B. Bederson and H. Walther,
    Academic Press, New York, pp. 1-39 (2001).

  2. "One-Electron Quantum Cyclotron (and Implications for Cold Antihydrogen)",
    G. Gabrielse, S. Peil, B. Odom and B. D'Urso,
    in Atomic Physics 17, Vol. 551, edited by E. Arimondo, P. DeNatale, and M. Inguscio,
    American Institute of Physics, Melville, New York, pp. 108-120 (2001).

  3. "First Positron Cooling of Antiprotons"
    G. Gabrielse, J. Estrada, J.N. Tan, P. Yesley, N.S. Bowden, P. Oxley, T. Roach, C.H. Storry, M. Wessels, J. Tan, D. Grzonka, W. Oelert, G. Scheppers,
    T. Sefzick, W.H. Breunlich, M. Carngelli, H. Fuhrmann, R. King, R. Ursin, H. Zmeskal, H. Kalinowsky, C. Wesdorp, J. Walz, K.S.E. Eikema, and T. Haensch,
    Phys. Lett. B 507, 1 (2001).

  4. "Stability of a Combined Penning-Ioffe Trap"
    T.M. Squires, P. Yesley and G. Gabrielse,
    Phys. Rev. Lett. 86, 5266 (2001).

2002

  1. "Cold Antimatter Plasmas, and Aspirations for Cold Antihydrogen",
    G. Gabrielse, J.N. Tan, N.S. Bowden, P. Oxley, C.H. Storry, M. Wessels, A. Speck, J. Estrada,
    P. Yesley, T. Squires, D. Grzonka,W. Oelert, G. Scheppers, T. Sefzick, and J. Walz,
    in Non-Neutral Plasma Physics IV, (AIP Conference Proceedings, volume 606),
    edited by F. Anderegg, L. Schweikhard, C.F. Driscoll, American Institute of Physics,
    Melville, NY, pp. 51-62 (2002).

  2. "Cold Antihydrogen and CPT",
    G. Gabrielse, J.N. Tan, N.S. Bowden, P. Oxley, C.H. Storry, M. Wessels, A. Speck, J. Estrada,
    P. Yesley, D. Grzonka,W. Oelert, G. Scheppers, T. Sefzick, and J. Walz,
    in Proceedings of the Second Meeting on CPT and Lorentz Symmetry, edited by V. Alan Kostelecky,
    World Scientific, Singapore, 2002, pp. 225-234.

  3. "Stacking of Cold Antiprotons",
    G. Gabrielse, N.S. Bowden, P. Oxley, A. Speck, C.H. Storry, J.N. Tan, M. Wessels, D. Grzonka,
    W. Oelert, G. Schepers, T. Sefzick, J. Walz, H. Pittner, T.W. Haensch, E.A. Hessels,
    Phys. Lett. B 548, 140 (2002).

  4. "Background-Free Observation of Cold Antihydrogen and a Field-Ionization Analysis of Its States",
    G. Gabrielse, N.S. Bowden, P. Oxley, A. Speck, C.H. Storry, J.N. Tan, M. Wessels, D. Grzonka,
    W. Oelert, G. Schepers, T. Sefzick, J. Walz, H. Pittner, T.W. Haensch, E.A. Hessels,
    Phys. Rev. Lett. 89, 213401 (2002).

  5. "Driven Production of Cold Antihydrogen and the First Measured Distribution of Antihydrogen States",
    G. Gabrielse, N.S. Bowden, P. Oxley, A. Speck, C.H. Storry, J.N. Tan, M. Wessels, D. Grzonka,
    W. Oelert, G. Schepers, T. Sefzick, J. Walz, H. Pittner, T.W. Haensch, E.A. Hessels,
    Phys. Rev. Lett. 89, 233401 (2002).

  6. An Assessment of Precision Time and Time Interval Science and Technology.
    Report by the Committee for an Assessment of Precision Time and Time Interval Science and Technology,
    Naval Studies Board of the National Research Council, The National Academies, National Academies Press,)
    Washington, DC, 2002, 76 pages

2003

  1. "Feedback Cooling of a One-Electron Oscillator",
    B. D'Urso, B. Odom and G. Gabrielse,
    Phys. Rev. Lett. 90, 043001 (2003).

  2. "Observations of Cold Antihydrogen",
    G. Gabrielse,
    in Proceedings of the XVIII International Conference on Atomic Physics, Expanding the Frontier of Atomic Physics, ICAP 2002,
    edited by H.R. Sadeghpour, E.J. Heller, D.E. Pritchard,
    World Scientific Publishing Co. Pte. Ltd., Singapore, 2003, pp. 305-316.

  3. Frontiers in High Energy Density Physics. The X-Games of Contemporary Science.
    Report by the Committee on High Energy Density Physics, National Research Council,
    of The National Academies, National Academies Press, Washington, DC, 2003, 160 pages

2004

  1. "Observations of Cold Antihydrogen",
    J.N. Tan, N.S. Bowden, G. Gabrielse, P. Oxley, A. Speck, C.H. Storry, M. Wessels, D. Grzonka, W. Oelert,
    G. Schepers, T. Sefzick, J. Walz, H. Pittner, T.W. Haensch, E.A. Hessels,
    Nuc. Inst. Meth. B 214 22-30 (2004).

  2. "Strongly Magnetized Antihydrogen and Its Field Ionization"
    D. Vrinceanu, B.E. Granger, R. Parrott, H. R. Sadeghpour, L. Cederbaum, A. Mody, J. N. Tan and G. Gabrielse,
    Phys. Rev. Lett. 92, 133402 (2004).

  3. "G. Gabrielse, et al. reply" (A reply to a Comment discusses comparing our measured field ionization spectra to theory)
    G. Gabrielse, et al.,
    Phys. Rev. Lett. 92, 149304 (2004).

  4. "Aperture Method to Determine the Density and Geometry of Anti-Particle Plasmas",
    P. Oxley, N. S.Bowden, R. Parrott, A. Speck, C. Storry, J.N. Tan, M. Wessels, G. Gabrielse, D. Grzonka,
    W. Oelert, G. Schepers, T. Sefzick, J. Walz, H. Pittner, T.W. Haensch and E. A. Hessels,
    Phys. Lett. B 595, 60 (2004).

  5. "First Measurement of the Velocity of Slow Antihydrogen Atoms",
    G. Gabrielse, A. Speck and C.H. Storry, D. Le Sage, N. Guise, D. Grzonka, W. Oelert, G. Schepers,
    T. Sefzick, H. Pittner, J. Walz, T.W. Haensch, D. Comeau, E.A. Hessels,
    Phys. Rev. Lett. 93, 073401 (2004).

  6. "Laser-Controlled Production of Rydberg Positronium",
    A. Speck, C.H. Storry, E. Hessels and G. Gabrielse,
    Phys. Lett. B 597, 257 (2004).

  7. "First Laser-Controlled Antihdyrogen Production",
    C.H. Storry, A. Speck, D. Le Sage, N. Guise, G. Gabrielse, D. Grozonka, W. Oelert, G. Scheppers, T. Sefzick,
    J. Walz, H. Pittner, M. Herrmann, T.W. Haensch, E.A. Hessels and D. Comeau,
    Phys. Rev. Lett. 93, 263401 (2004).

  8. "Slow Antihydrogen",
    G. Gabrielse, A. Speck, C.H. Storry, D. Le Sage, N. Guise, P.C. Larochelle, D. Grzonka, W. Oelert,
    G. Schepers, T. Sefzick, H. Pittner, M. Herrmann, J. Walz, T.W. Haensch, D. Comeau, and E.A. Hessels,
    In: Atomic Processes in Plasmas, 14th APS Topical Conference on Atomic Processes in Plasmas,
    AIP Conference Proceedings, 730, 3-12 (2004).

2005

  1. "Atoms Made Entirely of Antimatter: Two Methods Produce Slow Antihydrogen" (Review Paper)
    G. Gabrielse,
    Adv. At. Mol. Opt. Phys. 50, 155-217 (2005).

  2. "Single-Particle Self-excited Oscillator" (includes application to measuring antiproton spin flips)
    B. D'Urso, R. Van Handel, B. Odom and G. Gabrielse,
    Phys. Rev. Lett. 94, 113002 (2005).

  3. "Precision Measurement of the Three 23PJ Helium Fine Structure Intervals"
    T. Zelevinsky, D. Farkas and G. Gabrielse,
    Phys. Rev. Lett. 95 203001 (2005).

  4. "Laser-Controlled Antihydrogen Production by Two-Stage Charge Exchange",
    C.H. Storry, N. Guise, B. Levitt, D. Le Sage, A. Speck, G. Gabrielse, D. Grzonka, W. Oelert, G. Schepers,
    T. Sefzick, H. Pittner, M. Herrmann, J. Walz, T.W. Haensch, D. Comeau, M. George and E.A. Hessels,
    in: Low Energy Antiproton Physics, Eighth Int'l Conf. on Low Energy Antiproton Physics (LEAP '05), edited by D. Grzonka, R. Czyzykiewicz, W. Oelert, R. Rozek and P. Winter, AIP Conference Proceedings 796, 291-295 (2005).

  5. "ATRAP - Progress Towards Trapped Antihydrogen",
    D. Grzonka, D. Comeau, G. Gabrielse, F. Goldenbaum, T.W. Haensch, E.A. Hessels, P. Larochelle,
    D. Le Sage, B. Levitt, W. Oelert, H. Pittner, T. Sefzick, A. Speck, C.H. Storry, J. Walz and Z. Zhang,
    In: Low Energy Antiproton Physics, Eighth Int'l Conf. on Low Energy Antiproton Physics (LEAP '05),
    edited by D. Grzonka, R. Czyzykiewicz, W. Oelert, R. Rozek and P. Winter,
    AIP Conference Proceedings 796, 296-300 (2005).

2006

  1. "Antiproton Mass Measurements",
    G. Gabrielse,
    Int. J. Mass Spectrom. 251, 273-280 (2006).

  2. "New Measurement of the Electron Magnetic Moment Using a One-Electron Quantum Cyclotron"
    B. Odom, D. Hanneke, B. D'Urso and G. Gabrielse,
    Phys. Rev. Lett. 97, 030801 (2006).

  3. "New Determination of the Fine Structure Constant from the Electron g Value and QED"
    G. Gabrielse, D. Hanneke, T. Kinoshita, M. Nio and B. Odom,
    Phys. Rev. Lett. 97, 030802 (2006).


  4. "Precision Pins Down the Electron's Magnetism",
    G. Gabrielse and D. Hanneke,
    CERN Courier, October 2006, pp. 2-4.

  5. "Observations of Cold Antihydrogen",
    G. Gabrielse,
    in: An Isolated Atomic Particle at Rest in Free Space - A Tribute to Hans Dehmelt, Nobel Laureate,
    edited by E. Norval Fortson, Ernest M. Henley and Warren G. Nagourney,
    Alpha Science International Ltd. Oxford, UK, 296-300 (2006).

  6. "New Interpretations of Measured Antihydrogen Velocities and Field Ionization Spectra"
    T. Pohl, H.R. Sadeghpour and G. Gabrielse,
    Phys. Rev. Lett. 97, 143401 (2006).

  7. "New Measurement of the Electron Magnetic Moment and the Fine Structure Constant",
    G. Gabrielse and D. Hanneke,
    in: Atomic Physics 20, XX International Conference on Atomic Physics: ICAP 2006, volume 869,
    edited by C. Roos, H. Haffner and R. Blatt,
    American Institute of Physics, Melville, NY (2006) 68-75.

2007

  1. "The Magnet in the Electron"
    G. Gabrielse,
    Physics World, February 2007, pp. 32-36

  2. "Antiproton Confinement in a Penning-Ioffe Trap for Antihydrogen"
    G. Gabrielse, P. Larochelle, D. Le Sage, B. Levitt, W.S. Kolthammer, I. Kuljanishvili,
    R. McConnell, J. Wrubel, F.M. Esser, H. Glueckler, D. Grzonka, G. Hansen, S. Martin,
    W. Oelert, J. Schillings, M. Schmitt, T. Sefzick, H. Soltner, Z. Zhang, D. Comeau,
    M.C. George, E.A. Hessels, C.H. Storry, M. Weel, A. Speck, F. Nillius, J. Walz and T.W. Haensch,
    Phys. Rev. Lett. 98,113002 (2007).

  3. "Density and Geometry of Single Component Plasmas"
    A. Speck, G. Gabrielse, P. Larochelle, D. Le Sage, B. Levitt, W.S. Kolthammer, R. McConnell,
    J. Wrubel, D. Grzonka, W. Oelert, T. Sefzick, Z. Zhang, D. Comeau, M.C. George,
    E.A. Hessels, C.H. Storry, M. Weel, and J. Walz,
    Phys. Lett. B 650, 119-123 (2007).

  4. "Single-Component Plasma of Photoelectrons"
    B. Levitt, G. Gabrielse, P. Larochelle, D. Le Sage, W.S. Kolthammer, R. McConnell,
    J. Wrubel, A. Speck, D. Grzonka, W. Oelert, T. Sefzick, Z. Zhang,
    D. Comeau, M.C. George, E.A. Hessels, C.H. Storry, M. Weel, and J. Walz,
    Phys. Lett. B 656, 25-29 (2007).

2008

  1. "Antihydrogen Production within a Penning-Ioffe Trap"
    G. Gabrielse, P. Larochelle, D. Le Sage, B. Levitt, W.S. Kolthammer, R. McConnell,
    P. Richerme, J. Wrubel, A. Speck, M.C. George, D. Grzonka, W. Oelert, T. Sefzick, Z. Zhang,
    A. Carew, D. Comeau, E.A. Hessels, C.H. Storry, M. Weel, and J. Walz,
    Phys. Rev. Lett. 100, 113001 (2008).

  2. "New Measurement of the Electron Magnetic Moment and the Fine Structure Constant"
    D. Hanneke, S. Fogwell and G. Gabrielse,
    Phys. Rev. Lett. 100, 120801 (2008) and arXiv:0801.1134v1 [physics.atom-ph].

2009

  1. "The True Cyclotron Frequency for Particles and Ions in a Penning Trap"
    G. Gabrielse,
    Int. J. Mass Spectrom. 279, 107-112 (2009).

  2. "Why is Sideband Mass Spectrometry Possible with Ions in a Penning Trap?"
    G. Gabrielse,
    Phys. Rev. Lett. 102, 172501 (2009).

  3. "More Accurate Measurement of the Electron Magnetic Moment and the Fine Structure Constant",
    D. Hanneke, S. Fogwell, N. Guise, J. Dorr and G. Gabrielse
    in: Pushing the Frontiers of Atomic Physics,
    edited by R. Côté, P.L. Gould, M. Rozman and W.W. Smith,
    (World Scientific, Singapore, 2009) 46-55

  4. Letter Report on the Review of the Research Program of the FreedomCAR and Fuel Partnership, Phase 3.
    Report by the Committee on the Review of the Research Program of the FreedomCAR and Fuel Partnership, Phase 3.
    National Research Council of The National Academies, National Academies Press, Washington, DC, 2009, 21 pages

2010

  1. "Review of the Research Program of the FreedomCAR and Fuel Partnership, Third Report"
    Committee on Review of the FreedomCAR and Fuel Research Program, Phase 3,
    (National Academies Press, Washington, DC, 2010).

  2. "Measurements of the Electron Magnetic Moment"
    G. Gabrielse,
    in Lepton Dipole Moments,
    edited by B.L. Roberts and W.J. Marciano,
    (World Scientific, Singapore, 2010) 157-194. ISBN: 978-981-4271-83-7

  3. "Determining the Fine Structure Constant"
    G. Gabrielse,
    in Lepton Dipole Moments,
    edited by B.L. Roberts and W.J. Marciano,
    (World Scientific, Singapore, 2010) 195-218. ISBN: 978-981-4271-83-7

  4. "Towards Electron-Electron Entanglement in Penning Traps"
    L. Lamata, D. Porras, I. Cirac, J. Goldman and G. Gabrielse,
    Phys. Rev. A 81, 022301 (2010).

  5. "Self-Excitation and Feedback Cooling of an Isolated Proton"
    N. Guise, J. DiSciacca and G. Gabrielse,
    Phys. Rev. Lett. 104, 143001 (2010).

  6. "Optimized Planar Penning Traps for Quantum Information Studies"
    J. Goldman and G. Gabrielse,
    Phys. Rev. A 81, 052335 (2010).

  7. "Slow Antihydrogen"
    G. Gabrielse,
    Physics Today, 68 (March, 2010).

  8. "Search for the Electric Dipole Moment of the Electron with Thorium Monoxide"
    A.C. Vutha, W.C. Campbell, Y.V. Gurevich, N.R. Hutzler, M. Parsons,
    D. Patterson, E. Petrik, B. Spaun, J.M. Doyle, G. Gabrielse,and D. DeMille,
    J. Phys. B. At. Mol. Opt. Phys. 43 074007 (2010).

  9. "Centrifugal Separation of Antiprotons and Electrons"
    G. Gabrielse, W.S. Kolthammer, R. McConnell, P. Richerme, J. Wrubel, R. Kalra,
    E. Novitski, D. Grzonka, W. Oelert, T. Sefzick, J.S. Borbely, D. Fitzakerley,
    M.C. George, E.A. Hessels, C.H. Storry, M. Weel, A. Mullers, J. Walz, A. Speck,
    Phys. Rev. Lett. 105, 213002 (2010).

2011

  1. "Adiabatic Cooling of Antiprotons"
    G. Gabrielse, W.S. Kolthammer, R. McConnell, P. Richerme, J. Wrubel, R. Kalra,
    E. Novitski, D. Grzonka, W. Oelert, T. Sefzick, J.S. Borbely, D. Fitzakerley,
    M.C. George, E.A. Hessels, C.H. Storry, M. Weel, A. Mullers, J. Walz,
    Phys. Rev. Lett. 106, 073002 (2011).

  2. "Optimized Planar Penning Traps for Quantum Information Studies"
    J. Goldman and G. Gabrielse,
    Hyperfine Interac. 199, 279 - 289 (2011). (http://www.springerlink.com/content/7v27223gvn006763/).

  3. "Cavity Control of a Single-Electron Quantum Cyclotron: Measuring the Electron Magnetic Moment"
    D. Hanneke, S. Fogwell Hoogerheide and G. Gabrielse,
    Phys. Rev. A 83, 052122 (2011).

  4. "Pumped Helium System for Cooling Positron and Electron Traps to 1.2K"
    J. Wrubel, G. Gabrielse, W.S. Kolthammer, P. Larochelle, R. McConnell, P. Richerme, D. Grzonka, W. Oelert,
    T. Sefzick, M. Zielinski, J.S. Borbely, M.C. George, E.A. Hessels, C.H. Storry, M. Weel, A. Mullers, J. Walz, A. Speck,
    Nucl. Inst. and Meth. A, 640, 232 - 240 (2011).

  5. "Magnetic and Electric Dipole Moments of the H 3Δ1 State in ThO"
    A.C. Vutha, B. Spaun, Y.V. Gurevich, H.R. Hutzler, E. Kirilov, J.M. Doyle, G. Gabrielse, D. DeMille,
    Phys. Rev. A 84, 034502 (2011).

  6. "A Cryogenic Beam of Refractory, Chemically Reactive Molecules with Expansion Cooling"
    N.R Hutzler, M. Parsons, Y.V. Gurevich, P.W. Hess, E. Petzik, B. Spaun, A.C. Vutha, D. DeMille, G. Gabrielse, J.M. Doyle,
    Phys. Chem Phys. 13, 18976 - 18985 (2011). (arXiv:1101.4217).

2012

  1. "Trapped Antihydrogen in Its Ground State"
    G. Gabrielse, R. Kalra, W. S. Kolthammer, R. McConnell, P. Richerme, D. Grzonka, W. Oelert, T. Sefzick, M. Zielinski,
    D. W. Fitzakerley, M. C. George, E. A. Hessels, C. H. Storry, M. Weel, A. Müllers, and J. Walz,
    Phys. Rev. Lett. 108, 113002 (2012).

  2. "Direct Measurement of the Proton Magnetic Moment"
    J. DiSciacca and G. Gabrielse,
    Phys. Rev. Lett. 108, 153001 (2012).

  3. "Efficient transfer of positrons from a buffer-gas-cooled accumulator into an orthogonally oriented superconducting solenoid for antihydrogen studies"
    D. Comeau, A. Dror, D. W. Fitzakerley, M. C. George, E. A. Hessels, C. H. Storry, M. Weel, D. Grzonka, W. Oelert,
    G. Gabrielse, R. Kalra, W. S. Kolthammer, R. McConnell, P. Richerme, A. Müllers, and J. Walz,
    New J. Phys. 14, 045006 (2012).

  4. "A semiconductor laser system for the production of antihydrogen"
    A. Müllers, S. Böttner, D. Kolbe, T. Diehl, A. Koglbauer, M. Sattler, M. Stappel, R. Steinborn, J. Walz, G. Gabrielse, R. Kalra, W. S. Kolthammer,
    R. P. McConnell, P. Richerme, D. W. Fitzakerley, M. C. George, E. A. Hessels, C. H. Storry, M. Weel, D. Grzonka, and W. Oelert,
    New J. Phys. 14, 055009 (2012).

2013

  1. "Electric Fields Prevent Mirror-Trapped Antiprotons in Trapped Antihydrogen Studies"
    P. Richerme, G. Gabrielse, S. Ettenauer, R. Kalra, E. Tardiff, D.W. Fitzakerley, M.C. George,
    E.A. Hessels, C.H. Storry, M. Weel, A. Mullers, and J. Walz,
    Phys. Rev. A 87, 023422 (2013).

  2. "One-Particle Measurement of the Antiproton Magnetic Moment"
    J. DiSciacca, M. Marshall, K. Marable, G. Gabrielse, S. Ettenauer, E. Tardiff, R. Kalra, D.W. Fitzakerley,
    M.C. George, E.A. Hessels, C.H. Storry, M. Weel, D. Grzonka, W. Oelert, and T. Sefzick,
    Phys. Rev. Lett. 110, 130801 (2013).

  3. "Resolving an Individual One-Proton Spin Flip to Determine a Proton Spin State"
    J. DiSciacca, M. Marshall, K. Marable, G. Gabrielse,
    Phys. Rev. Lett. 110, 140406 (2013).

  4. "Review of the Research Program of the U.S. DRIVE Partnership, Fourth Report"
    Committee on Review of the U.S. DRIVE Program, Phase 4,
    (National Academies Press, Washington, DC, 2013).

  5. "Shot-Noise-Limited Spin Measurements in a Pulsed Molecular Beam"
    E. Kirilov, W.C. Campbell, J.M. Doyle, G. Gabrielse, Y.V. Gurevich, P.W. Hess,
    N.R. Hutzler, B.R. O'Leary, E. Petrik, B. Spaun, A.C. Vutha and D. DeMille,
    Phys. Rev. A, 88, 013844 (2013).

  6. "Overcoming Barriers to Electric-Vehicle Deployment (Interim Report)"
    Committee on Overcoming Barriers to Electric-Vehicle Deployment,
    (National Academies Press, Washington, DC, 2013).

  7. "The Standard Model's Greatest Triumph"
    G. Gabrielse,
    Physics Today, p. 64 (December 2013).

2014

  1. "Order of Magnitude Smaller Limit on the Electric Dipole Moment of the Electron"
    J. Baron, W. C. Campbell, D. DeMille, J. M. Doyle, G. Gabrielse, Y. V. Gurevich, P. W. Hess, N. R. Hutzler,
    E. Kirilov, I. Kozyryev, B.R. O'Leary, C. D. Panda, E. S. Petrik, B. Spaun, A. C. Vutha, A. D. West,
    Science 343 269-272 (2014).

  2. "Zeeman interaction in ThO H 3Δ1 for the electron EDM search"
    A.N. Petrov, L.V. Skripnikov, A.V. Titov, N.R. Hutzler, P.W. Hess, B.R. O'Leary, B. Spaun, D. DeMille, G. Gabrielse and J.M. Doyle,
    Phys. Rev. A 89, 062505 (2014). arXiv: 1404.4024v1 [physics.atom-ph]

  3. "Precise Matter and Antimatter Tests of the Standard Model with electrons, positrons, protons, antiprotons and antihydrogen";
    G. Gabrielse, S. Fogwell Hoogerheide, J. Dorr and E. Novitski,
    in Fundamental Physics in Particle Traps,
    edited by W. Quint and M. Vogel,
    (Springer, Darmstadt, 2014) 1 - 37. ISBN: 978-3-642-45200-0 (Print) 978-3-642-45201-7 (Online)

2015

  1. "High efficiency positron accumulation for high-precision magnetic moment experiments"
    S. Fogwell Hoogerheide, J. C. Dorr, E. Novitski, and G. Gabrielse,
    Review of Scientific Instruments 86 053301 (2015).

2016

  1. "Reducing the Use of Highly Enriched Uranium in Civilian Research Reactors"
    J.M. Phillips, P. Adelfang, G. Gabrielse, A. Glaser, D.W. Johnson, P. Lamoine, W.R. Martin, R. Pynn, W.H. Tobey, P.P.H. Wilson, (NAS Committee),
    (National Academies Press, Washington, DC, 2016).

  2. "Electron-Cooled Accumulation of 4 x 109 Positrons for Production and Storage of Antihydrogen Atoms"
    D.W. Fitzakerley, M.C. George, E.A. Hessels, T.D.G. Skinner, C.H. Storry, M. Weel, G. Gabrielse,
    C.D. Hamley, N. Jones, K. Marable, E. Tardiff, D. Grzonka, M. Zielinski,
    J. Phys. B: Atomic and Molecular Physics 49, 064001 (2016).

  3. "Large Numbers of Cold Positronium Atoms Created in Laser-Selected Rydberg States Using Resonant Charge Exchange"
    R. McConnell, G. Gabrielse, W.S. Kolthammer, P. Richerme, A. Müllers, J. Walz, D. Grzonka, W. Oelert, M. Zielinski,
    D. Fitzakerley, M.C. George, E.A. Hessels, C.H. Storry, M. Weel,
    J. Phys. B: Atomic and Molecular Physics 49, 064002 (2016).

  4. "Stimulated Raman Adiabatic Passage Preparation of a Coherent Superposition of ThO H3Δ1 States for an Improved Electron EDM Measurement"
    C.D. Panda, B.R. O'Leary, A.D. West, J. Baron, P.W. Hess, C. Hoffman, E. Kirilov, C.B. Overstreet, E.P. West, D. DeMille, J.M. Doyle, G. Gabrielse,
    Phys. Rev. A 93, 052110 (2016). (arXiv:1603.07707)

Colloquia and Invited Talks

1984

July 22 - ICAP Workshop on Atomic Physics Tests of General Physical Principles (invited talk)

July 27 - Organized and Moderated ICAP Workshop on Ion Trapping

Sept 1 - University of British Columbia (physics colloquium)

Oct 5 - Los Alamos National Laboratory (AT colloquium)

Nov 7 - University of Pittsburgh (physics colloquium and particle physics seminar)

Dec 20 - University of Texas at Austin (atomic physics seminar)


1985

Jan 25 - LEAR Users Meeting, Savoie, France

Jan 30 - University of Mainz (atomic physics seminar)

Feb 19 - North Carolina State University (atomic physics seminar)

Feb 20 - University of Chicago (particle physics seminar)

Feb 23 - Purdue University (physics colloquium and electrical engineering colloquium)

Feb 26 - Massachusetts Institute of Technology (atomic physics colloquium)

Feb 28 - Hope College (physics colloquium)

Apr 15 - Open Session of Proton Synchrotron Committee, CERN

Apr 17 - ISOLDE Colloquium, CERN

Apr 20 - Workshop on Polarized Antiproton Sources Bodega Bay, California (invited talk)

Apr 22 - University of Arizona (physics colloquium)

Apr 25 - North Carolina State University (physics colloquium)

July 1 - Gordon Conference on Atomic Physics (invited talk)

Oct 9 - University of California at Berkeley (physics colloquium)

Oct 23 - State University of New York at Stony Brook (physics colloquium)

Oct 24 - IBM (Yorktown, New York)

Oct 25 - Columbia University (physics colloquium)

Dec 9 - Harvard University (physics colloquium)

Dec 11 - Fermi National Accelerator Laboratory (physics colloquium)


1986

Jan 28 - University of Guelph (physics colloquium)

Jan 29 - University of Western Ontario (physics colloquium)

Mar 3 - TRIUMF (physics colloquium)

Mar 13 - Science Fair Speaker for Watson Groen Christian Grade School

Mar 27 - Institute for Seattle Area Physics and Math Teachers

June 9 - International Conference on Quantum Electronics XIV San Francisco (invited lecture)

Sept 25 - International School of Physics with Low Energy Antiprotons: Fundamental Symmetries (invited tutorial lecture)

Oct 24 - SPS Invited Lecture, Optical Society of America Meeting, Seattle, WA

Oct 24 - OSA session on Laser Instabilities and Interjection Locking (presider)

Nov 13 - University of Nebraska (physics colloquium)


1987

Jan 8 - Cluster Ion Conference, San Francisco (invited lecture)

Jan 20 - Brandeis University (physics colloquium)

Jan 22 - Brookhaven National Laboratory (physics colloquium)

Jan 23 - Columbia University (physics colloquim)

Mar 19 - Argonne National Laboratory (particle physics colloquium)

Apr 20 - American Physical Society Meeting, Crystal City, VA (invited lecture)

May 5 - Northwestern University (physics colloquium)

May 7 - University of Missouri-Rolla, Distinguished Visiting Professor Program, (invited lecture)

May 20 - American Physical Society Meeting, Boston, MA (invited lecture)

June 15 - AFI Workshop and Symposium on Low Energy Particles, Stockholm, Sweden (invited lecture)

June 22 - Laser Spectroscopy Conference, Are, Sweden, (invited lecture)

July 22 - International Conference on the Physics of Electrons and Collisions (ICPEAC) Brighton, England (invited lecture)

Oct 1 - Syracuse University (physics colloquium)

Nov 2 - Harvard University (physics colloquium)

Nov 13 - Yale University (physics colloquium)

Dec 1 - International Conference on Low Energy Antimatter Karlsruhe, Germany (invited lecture)


1988

Feb 2 - Calvin College (physics colloquium)

Feb 3 - Notre Dame (physics colloquium)

Feb 4 - University of Chicago (physics colloquium)

Feb 25 - Amherst College (physics colloquium)

Feb 26 - University of Connecticut (physics colloquium)

Apr 7 - Pennsylvania State University (physics colloquium)

May 16 - Third Conference on the Interaction Between Particle and Nuclear Physics, Rockport, Maine (invited plenary lecture)

July 1 - Symposium on the Hydrogen Atom at the Scuola, Normale Superiore, Pisa, Italy (invited lecture)

Sept 6 - IX European Symposium on Antiproton-Proton Interactions and Fundamental Symmetries, Mainz, West Germany (invited lecture)


1989

Jan 10 - College de France and Ecole Normale Superieure, Paris, France (invited lecture)

Feb 15 - University of Aarhus, Aarhus, Denmark (physics colloquium)

Feb 23 - California Institute of Technology (physics colloquium)

Feb 28 - University of California at San Diego (physics colloquium)

Mar 2-4 - First Annual Symposium on Frontiers of Science sponsored by the National Academy of Sciences (invited participant)

May 1 - American Physical Society, Baltimore, Maryland (invited speaker)

June 9 - University of Karlsruhe, Karlsruhe, West Germany (physics colloquium)

June 12 - Hahn-Meitner Institute, West Berlin, West Germany (physics colloquium)

July 10 - Combined Colloquium of the Technical University of Munich, the Maximillian University and the Max Planck Institute for Quantum Optics, Munich, West Germany

Aug 23 - Institute de Lau Langevin, Grenoble, France (physics colloquium)

Sept 12 - IBM Research Laboratory, Yorktown, New York (physics colloquium)

Sept 22 - University of Wisconsin at Madison (physics colloquium)

Sept 28 - Princeton University (physics colloquium)

Oct 2 - Harvard University (physics colloquium)

Oct 20 - University of Virginia, Charlottesville (physics colloquium)

Nov 6 - 27th Annual New Horizons of Science Briefing of the Council for the Advancement of Science Writing at Cornell University (invited lecture)


1990

Jan 12 - Argonne National Laboratory, Chicago, Illinois (physics colloquium)

Jan 24 - University of Pennsylvania (physics colloquium)

Apr 16 - Washington D.C. Meeting of the American Physical Society (invited lecture)

Apr 30 - Rutherford Laboratory, Oxford, England (physics colloquium)

May 1 - High Energy Physics Seminar, Oxford University, Oxford, England

May 23 - Meeting of the Division of Electron, Atomic, Molecular and Optical Physics, Monterey, California (invited lecture)

July 4 - Low Energy Antiproton Physics Conference, Stockholm, Sweden (invited lecture)

Aug 3 - International Conference of Atomic Physics, Ann Arbor, Michigan (invited lecture)

Aug 15 - Gordon Conference on Few Body Physics, New Hampshire (invited lecture)

Sept 25 - MIT (atomic physics colloquium)

Sept 26 - Boston University (physics colloquium)

Sept 27 - Los Alamos National Laboratory (physics colloquium)

Oct 18 - University of Chicago (physics colloquium)

Oct 24 - Division of Nuclear Physics Fall Meeting, University of Illinois at Urbana Champaign (invited lecture)

Nov 6 - Optical Society of America, Boston, Massachusetts (invited lecture)

Nov 10 - Society of Physics Students Zone Meeting, Rolla, Missouri (keynote speaker)

Dec 6 - New York University (physics colloquium)


1991

Jan 18 - New York Academy of Science (featured speaker)

Jan 23 - Rice University (physics colloquium)

Feb 13 - University of Massachusetts, at Amherst (physics colloquium)

Feb 25 - Cornell University (physics colloquium)

Mar 21 - Princeton University (plasma physics colloquium)

Apr 1 - Brown University (physics colloquium)

May 3 - Yale University (physics colloquium)

July 4 - Gordon Conference on Atomic Physics, New Hampshire (invited lecture)

July 12 - Italian Physical Society Summer School, International School of Physics, Varenna, Italy (invited lecture)

Aug 26 - 9th International Conference on Positron Annihilation, Szombathely, Hungary (invited lecture)

Oct 11 - Fermi National Accelerator Laboratory (physics colloquium)

Oct 23 - University of Rochester (physics colloquium)

Oct 28 - Haverford College (physics colloquium)

Nov 7 - Massachusetts Institute of Technology (physics colloquium)


1992

Feb 25 - York University (Toronto), (physics colloquium)

July 30 - Antihydrogen Workshop (Munich, Germany) (invited lecture)

Aug 4 - 13th International Conference on Atomic Physics (Munich, Germany) (invited lecture)

Aug 10 - CERN Summer Lecture Program, Geneva, Switzerland (invited lecture)

Sept 19 - Second Biennial Conference on Low-Energy Antiproton Physics - LEAP '92 (Courmayeur, Italy) (invited lecture)

Oct 26 - Coast Guard Academy, New London, CT (science colloquium)

Nov 3 - National Science Foundation and George Washington University (joint physics colloquium)

Nov 24 - University of Tennessee, Knoxville (physics colloquium)


1993

Feb 11 - American Association for the Advancement of Science, Public Science Day, Cambridge Rindge and Latin School (invited lectures)

Feb 12 - American Association for the Advancement of Science, Boston (invited lecture)

Feb 17 - University of Delaware (physics colloquium)

Feb 25 - Workshop on Traps for Antimatter and Radioactive Nuclei (TRIUMF), University of British Columbia, Vancouver (invited lecture)

Mar 12 - McGill University Montreal, (invited lecture)

Mar 12 - McGill University, Montreal (physics colloquium)

Mar 25 - Society of Physics Students, Worcester Polytechnic Institute (invited lecture)

Apr 13 - Washington D.C. Meeting of the American Physical Society (undergraduate address)

Apr 14 - Washington D.C. Meeting of the American Physical Society (invited lecture)

Apr 20 - Brookhaven National Laboratory (physics colloquium)

May 4 - Quantum Electronics Laser Science Conference, Baltimore (invited lecture)

May 17 - Meeting of the Division of Atomic, Molecular, and Optical Physics of the American Physical Society (Reno, NV) (invited lecture)

June 3 - California Institute of Technology (physics colloquium)

June 15 - GSI (Darmstadt, Germany) (physics colloquium)

June 22 - University of Bern, Switzerland (physics colloquium)

June 23 - University of Geneva, Switzerland (physics colloquium)

July 5 - Gordon Conference (New Hampshire) (invited lecture)

July 16 - Positron Satellite Meeting to ICPEAC, Bielefeld, Germany (invited lecture)

Sept 15 - 2nd Workshop on Nucleon-Antinucleon Physics (NAN '93), Institute of Theoretical Physics, Moscow

Oct 27 - McMaster University, Hamilton, Ontario, Canada (physics colloquium)

Oct 28 - University of Toronto, Toronto, Canada (physics colloquium)

Nov 8 - Harvard University (physics colloquium)

Nov 17 - Manne Siegbahn Memorial Lecture, Stockholm, Sweden (invited ecture)


1994

Jan 6 - American Association of Physics Teachers, San Diego (plenary lecture)

Jan 31 - North Carolina State University, Raleigh (Derieux Science Lecture)

Mar 11 - Harvard University (joint seminar for the History and Philosophy of 20th Century Science)

July 20 - Nonneutral Plasma Workshop, University of California, Berkeley (invited lecture)

Aug 24 - Nobel Symposium 91 on Trapped Charged Particles and Fundamental Physics, Lysekil, Sweden (invited lecture)

Sept 17 - 3rd Biennial Conference on Low-Energy Antiproton Physics (LEAP '94) Bled, Slovenia (invited lecture)

Nov 7 - University of Washington, Seattle (physics colloquium)


1995

Sept 25 - Harvard University (physics colloquium)

Sept 27 - Fermilab (physics colloquium)

Nov 16 - Wayne State University (physics colloquium)

Nov 27 - Stanford Linear Accelerator Center (SLAC) (physics colloquium)

Nov 30 - Korea University, Seoul, Korea (physics colloquium)

Dec 1 - Pohang University, Pohang, Korea (physics colloquium)

Dec 4 - Seoul National University, Seoul, Korea (physics colloquium)


1996

Feb 26 - VanderWaals-Zeeman Institute, University of Amsterdam (physics colloquium)

Feb 27 - DESY, Hamburg, Germany (physics colloquium)

Mar 14 - Florida State University (physics colloquium)

Mar 16 - Address to Harvard Graduate Alumni

Mar 19 - State University of New York, Stony Brook (physics colloquium)

Apr 25 - Phillips Laboratory, Kirtland AFB, NM, Contractor's Workshop (invited lecture)

May 24 - Argonne National Laboratory (physics colloquium)

June 1 - Workshop on K Physics, Orsay, France (invited lecture)

June 3 - CE Saclay, Gif-sur-Yvette, France (physics colloquium)

June 4 - LPNHE, Ecole Polytechnique, Palaiseau, France (physics colloquium)

July 13 - ITAMP Workshop on Exotic Atoms, Harvard University (invited lecture)

Aug 9 - 15th International Conference on Atomic Physics - Zeeman Effect Centenary, (Amsterdam, The Netherlands) (invited lecture)

Aug 29 - 4th Biennial Conference on Low-Energy Antiproton Physics (LEAP '96), (Dinkelsbuhl, Germany) (invited lecture)


1997

Jan 10 - University of Kentucky, (physics colloquium)

Jan 23 - University of Chicago, (physics colloquium)

Jan 31 - University of Connecticut (physics colloquium)

Feb 5 - Northwestern University, Evanston (physics colloquium)

Feb 12 - Harvard University Science Lecture Series (invited lecture)

Feb 27 - University of Missouri, Rolla (physics colloquium)

Mar 21 - Cornell University (HEP seminar)

Apr 18 - Washington D.C. Joint Meeting of the American Physical Society and American Association of Physics Teachers (invited lecture)

Apr 30 - Indiana University (physics colloquium)


1998

May 15 - CERN, LEAR Symposium (invited lecture)

June 10 - University of Sofia, Bulgaria (physics colloquium)

June 12 - Workshop on Frontier Tests of Quantum Electrodynamics and Physics of the Vacuum, Sandansky, Bulgaria (invited lecture)

June 29 - FOM - Institute for Atomic and Molecular Physics (AMOLF), Amsterdam (physics colloquium)

Jul 27-31 - XXXI Latin American School of Physics, El Colegio Nacional, ELAF 98 on New Perspectives in Quantum Mechanics, Mexico City, Mexico (5 invited one-hour lectures)

Aug 7 - 16th International Conference on Atomic Physics (ICAP 16), Windsor, Ontario, Canada (Hot Topics Session (invited lecture)

Aug 31 - Trapped Charged Particles and Fundamental Physics, Monterey, CA (invited lecture)

Oct 19 - Cornell University (physics colloquium)

Nov 7 - CPT and Lorentz Symmetry Conference, Indiana University (invited lecture)


1999

Jan 13 - Institute for Medium Energy Physics of the Austrian Academy of Sciences, Vienna (physics colloquium)

Jan 27 - Queen's University, Kingston, Ontario, Canada (physics colloquium)

Jan 28 - Queen's University, Kingston, Ontario, Canada (Geneva Lecture)

Mar 19 - 2nd North American FTICR Conference, San Diego, CA (invited lecture)

Mar 24 - American Physical Society Centennial Meeting, Atlanta (invited lecture)

Apr 6 - Michigan State University (physics colloquium)

May 24 - Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference (invited lecture)

June 10 - Lepton Moments, Internationales Wissenschaftsforum in Heidelberg (invited lecture)

June 11 - University of Heidelberg (physics colloquium)

July 26 - Quantum Optics Conference, Jackson Hole (invited lecture)

Aug 2 - Plasma Physics Conference, Princeton University (invited lecture)

Sept 13 - 4th International Conference on Physics at Storage Rings (STORI'99), Bloomington, IN (invited lecture)

Sept 20 - Carnegie Mellon University - University of Pittsburgh (joint physics colloquium)

Sept 29 - Trinity Christian College, Palos Heights, IL (Alumnus of the Year Lecture)

Nov 4 - Workshop on Fragmentation and Recombination in Novel 3- and 4-body Systems, ITAMP at Harvard University (invited lecture)


2000

Jan 14 - Argonne National Laboratory (physics colloquium)

Feb 8 - Boston University (physics colloquium)

Feb 11 - Tufts University (physics colloquium)

Feb 17 - Calvin College (physics colloquium)

Feb 28 - Harvard University (physics colloquium)

Mar 23 - American Physical Society March Meeting 2000, Minneapolis, MN (invited lecture)

Apr 29 - American Physical Society April Meeting 2000, Long Beach, CA (invited lecture)

June 5 - 17th International Conference on Atomic Physics (ICAP 2000), Florence, Italy (invited lecture)

July 5 - International Conference on Quantum Communication, Measurement and Computing (QCM&C Y2K), Capri, Italy (invited lecture)

July 21 - ITAMP Workshop on Quantum Electrodynamics, Harvard University (invited lecture)

Aug 9 - 12th International Conference on Positron Annihilation (ICPA-12), Munich (invited lecture)

Aug 24 - Biennial Conference on Low Energy Antiproton Physics (LEAP 2000), Venice, Italy (invited lecture)

Sept 13 - Fall Teaching Orientation, Derek Bok Center for Teaching and Learning, Harvard University (invited lecture)

Sept 22 - 2nd Euroconference of Atomic Physics at Accelerators: Mass Spectroscopy (APAC 2000), Cargese, Corsica (France) (invited lecture)

Oct 30 - 38th Annual Briefing - New Horizons in Science, Council for the Advancement of Science Writing, Inc. (CASW), Houston, TX (invited lecture)

Dec 6 - Fermilab (physics colloquium)

Dec 15 - Yale University (physics colloquium)


2001

Jan 10 - Schroedinger Lectures, Austrian Academy of Sciences, Vienna (city wide popular science lecture)

Jan 10 - "Junior Academy", addressing high school students, Vienna

Jan 11 - University of Vienna (physics colloquium)

Jan 15 - Structure of Hadrons, International Workshop XXIX on Gross Properties of Nuclei and Nuclear Excitations (Hirschegg '01), Hirschegg, Kleinwalsertal, Austria (invited lecture)

Mar 30 - Columbia University (plasma physics colloquium)

Apr 12 - University of Chicago (physics colloquium)

June 5 - Harvard University Graduate School Alumni Association Council (faculty presentation)

June 14 - International Conference on CP Violation (KAON 2001), Pisa, Italy (invited lecture)

July 18 - A Summer Study on the Future of Particle Physics (Snowmass 2001), Snowmass, CO (invited lecture)

July 30 - 2001 Workshop on Non-Neutral Plasmas, University of California, San Diego (invited lecture)

Aug 18 - 2nd Meeting on CPT and Lorentz Symmetry, Indiana University, Bloomington (invited lecture)

Aug 24 - Alpbach Technology Forum, Alpbach, Austria (invited lecture)

Nov 27 - Center for Ultra-Cold Atoms, MIT (physics colloquium)


2002

Feb 16 - American Assocation for the Advancement of Science, Boston (invited lecture)

Apr 11 - Cold Antimatter Workshop, Inst. for Theoretical Atomic and Molecular Physics (ITAMP), Harvard University (invited lecture)

Apr 23 - American Physical Society April Meeting, Albuquerque, NM (invited lecture)

May 17 - Faculty Workshop on the use of Technology in Teaching and Learning, Harvard University (invited lecture)

May 31 - Davisson-Germer Prize Symposium, American Physical Society, College of William and Mary, Williamsburg, VA (prize recipient lecture)

May 31 - Division of Atomic, Molecular and Optical Physics Annual Meeting (DAMOP), American Physical Society, Williamsburg, VA (invited lecture)

June 12 - Cooling 2002, Visby, Island of Gotland, Sweden (invited lecture)

June 17-21 - Four lectures on "Low energy experiments that measure fundamental constants and test basic symmetries", CERN, Geneva (invited Academic Training Lectures)

June 20 - XIVth Rencontres, Matter-Antimatter Asymmetry Conference, Blois, France (invited lecture)

July 1 - Truth in Science, Truth in Religion Conference, Harvard University (invited lecture)

July 26 - Resonances and Reflections: Profiles of Ugo Fano's Physics and Its Influences Workshop, Institute for Theoretical Atomic and Molecular Physics (ITAMP), Harvard-Smithsonian Center for Astrophysics (invited lecture)

Aug 1 - International Conference on Atomic Physics (ICAP 02), MIT and Harvard (invited lecture)

Oct 19 - Hans Dehmelt Symposium, University of Washington, Seattle (invited lecture)

Oct 28 - Harvard University (physics colloquium)

Dec 5 - Ouachita Baptist University, Arkadelphia, AR (invited lecture)


2003

Mar 5 - University of Texas at Austin, (physics colloquium)

Mar 11 - CERN Particle Physics Seminar (invited lecture)

Mar 12 - l Ecole Normale Superieure, Laboratoire Kastler Brossel, (physics colloquium)

Mar 26 - University of Massachusetts, Lowell (physics colloquium)

Apr 1 - Massachusetts Institute of Technology, Center for Ultracold Atoms (physics colloquium)

Apr 5 - Meeting of the American Physical Society (APS 03), Philadelphia, PA (invited lecture)

May 15 - International Workshop on the Future of AD Physics Program, Max-Planck-Institut for Quantenoptik, Garching, Germany (invited lecture)

May 19 - International Workshop on Beam Cooling and Related Topics (COOL 03), Mt Fuji, Japan (invited lecture)

May 23 - Division of Atomic, Molecular and Optical Physics (DAMOP) of the American Physical Society, Boulder, CO (invited lecture)

June 8 - 17th International Conference on Few-Body Problems in Physics (FB17), Duke University/TUNL, Durham, NC (plenary lecture)

June 9 - Lepton Moments International Symposium, Yarmouthport, Cape Cod, MA (invited lecture)

June 12 - Fourth International Conference on Physics Beyond the Standard Model (Beyond the Desert 2003), Tegernsee, Germany (invited lecture)

July 9 - Workshop on Non-Neutral Plasmas - 2003, Santa Fe, NM (invited lecture)

July 14 - 16th International Conference on Laser Spectroscopy (ICOLS03), Palm Cove, N. Queensland, Australia (invited lecture)

July 19 - 12th International Workshop on Low Energy Positron and Positronium Physics (POSITRON 2003), Sonderborg, Denmark (invited lecture)

July 28 - XXIII International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC), Stockholm, Sweden (invited lecture)

July 31 - Mini-Symposium on Cold Antihydrogen, Uppsala University, Sweden (invited lecture)

Sept 18 - Meeting of the Users Group for Low-Energy Antiproton Physics at GSI, GSI, Darmstadt (invited speaker)

Oct 6 - University of Arizona, Tucson (physics colloquium)

Oct 7 - 2003 Frontiers in Optics, 87th Optical Society of America Annual Meeting, Tucson, AZ (plenary lecture)

Oct 8 - Washington University, St. Louis (physics colloquium)

Oct 16 - 2nd International Workshop on the Future Accelerator Facility for Beams of Ions and Antiprotons: Challenges and Opportunities, GSI, Darmstadt (invited speaker)

Nov 7 - 12th Regional Conference of Undergraduate Research of the Murdock College Science Research Program, Pacific Lutheran University, Tacoma, WA (keynote address)

Nov 10 - University of California, Berkeley (physics colloquium)

Nov 13 - 8th International Workshop on Atom Optics and Interferometry, Lunteren, The Netherlands (invited lecture)

Dec 1 - Cornell University (physics colloquium)

Dec 2 - Syracuse University (physics colloquium)

Dec 3 - University of Rochester, (physics colloquium)

Dec 4 - Northeastern University (physics colloquium)


2004

Jan 13 - Atomic and Molecular Interactions Group (AMIG) of the Institute of Physics, Dublin City University (invited speaker)

Feb 3 - CERN SPSC (antihydrogen progress lecture)

Feb 11 - University of Michigan (physics colloquium)

Feb 12 - University of Michigan (atomic, molecular and optical physics seminar)

Feb 12 - University of Michigan (science and religion lecture)

Mar 2 - University of Uppsala, Sweden (Lecture on attracting students to science and teaching science so they love it)

Mar 3 - University of Uppsala, Sweden (physics seminar)

Mar 4 - Umeå University, Sweden (physics colloquium)

Mar 4 - Umeå University, Sweden (atomic physics seminar)

Mar 9 - Göteborg University, Sweden (physics colloquium)

Mar 9 - Göteborg University, Sweden (Lecture on attracting students to science and teaching science so they love it)

Mar 10 - Manne Sigbahn Laboratory, Stockholm (physics colloquium)

Mar 11 - University of Stockholm, Sweden (Alba Nova colloquium)

Mar 12 - Uppsala University, Sweden (physics colloquium)

Apr 19 - 14th American Physical Society Topical Conference on Atomic Processes in Plasmas (APiP), Santa Fe, NM (the plenary lecture)

Apr 22 - Pluecker Lecture I, University of Bonn (physics colloquium)

Apr 23 - Pluecker Lecture II, University of Bonn (special audience lecture)

May 7 - KVA Seminar, Groningen, The Netherlands

May 10 - Free University of Amsterdam (physics colloquium)

May 13 - Eindhoven University (physics colloquium)

May 14 - Nijmegen Univeristy (physics colloquium)

May 15 - US National Academy of Sciences CAMOS (invited lecture)

May 17 - Aachen University (physics colloquium)

May 18 - Johannes Gutenberg University and Max Planck Institute for Polymer Research, Mainz, Germany (physics colloquium)

May 24 - University of Nottingham, UK (physics colloquium)

May 26 - University of Sussex, UK (physics colloquium)

May 28 - University of Liverpool, UK (particle physics seminar)

July 27 - XIX International Conference on Atomic Physics, Rio de Janeiro (invited speaker)

Aug 25 - Laser Spectroscopy Conference, Novosibirsk, Russia (invited speaker)

Sept 24 - SPSC Meeting on a Future Fixed Target Programme at CERN, Villars, Switzerland (invited speaker)

Oct 14 - Calvin College (physics colloquium)

Nov 16 - Guelph-Waterloo Physics Institute, Guelph, Ontario (distinguished scientist lecture)

Dec 2 - California Institute of Technology (physics colloquium)

Dec 3 - California State University, Long Beach (physics colloquium)

Dec 9 - Wesleyan University (physics colloquium)

Dec 14 - MIT/Harvard Center for Ultracold Atoms seminar

Dec 16 - Brookhaven National Laboratory (particle physics seminar)


2005

Jan 21 - Ohio University (physics colloquium)

Jan 27 - Hanan Rosenthal Memorial Lecture, Yale University

Jan 28 - Yale University (physics colloquium)

Feb 4 - University of Connecticut (physics collquium)

Feb 14 - Harvard University (physics colloquium)

Feb 24 - International Conference on Exotic Atoms (EXA 2005), Vienna, Austria (invited lecture)

Mar 7 - Annual Meeting of the German Physical Society, Berlin, Germany (invited lecture)

Mar 18 - University of Virginia (physics colloquium)

Mar 24 - Annual Meeting of the Physical Society of Japan, Noda, Japan (special invited lecture)

Mar 30 - University of Wisconsin, Madison (physics colloquium)

Apr 22 - Dunbar High School, Baltimore, MD (lectures to science classes)

May 10 - Stanford University (physics colloquium)

May 20 - Year of Einstein Lecture, Bonn, Germany (popular lecture on science associated with LEAP 2005)

July 28 - International Workshop on Low Energy Positron and Positronium Physics, Campinas, Brazil (plenary lecture)

Aug 6 - Conference of the European Group for Atomic Systems (EGAS 37), Dublin City University, Ireland (plenary lecture)

Sept 28 - Cold and Ultracold Plasma and Rydberg Physics Workshop, Institute for Theoretical Atomic, Molecular and Optical Physics, CFA, Harvard (invited lecture)

Oct 8 - Charles H. Townes Celebration, University of California, Berkeley (invited panel speaker)

Oct 13 - Dordt College, Sioux City, IA (science colloquium)

Oct 13 - Dordt College, Sioux City, IA (public science and religion lecture)

Oct 28 - 50th Anniversary of the Discovery of the Antiproton Symposium, Lawrence Berkeley National Laboratory (invited lecture)

Nov 15 - Aachen University of Technology, Germany (physics colloquium)

Dec 13 - GSI, Darmstadt, Germany (physics colloquium)


2006

Jan 24 - CERN SPSC, Geneva, Switzerland

Jan 27 - Brookhaven National Laboratory (magnet group seminar)

Feb 9 - University of Illinois (physics colloquium)

Feb 21 - University of Grunberg, European Graduate School Lecture Week, Germany (antihydrogen lecture)

Feb 22 - University of Grunberg, European Graduate School Lecture Week, Germany (electron magnetic moment lecture)

Feb 23 - University of Grunberg, European Graduate School Lecture Week, Germany (helium spectroscopy lecture)

Mar 1 - University of Cambridge, UK (physics colloquium)

Mar 2 - University of Cambridge, UK (Faraday Lecture in Science and Religion)

Apr 7 - Cultivating Inquiry Workshop, Lexington, MA (keynote address to 150 high school teachers)

Apr 20 - Dunbar High School, Baltimore, MD (lectures to science classes)

May 16 - Division of Atomic, Molecular and Optical Physics (DAMOP), Knoxville, TN (invited lecture for graduate student symposium)

May 19 - Calvin College (distinguished alumnus talks to faculty, boards and at commencement)

June 2 - CIPANP Conference on the Intersections of Particle and Nuclear Physics (invited lecture), Puerto Rico (invited lecture)

June 19 - Lepton Moments 2006, Cape Cod, MA (invited speaker)

July 20 - International Conference on Atomic Physics (ICAP 2006), Innsbruck, Austria (invited speaker)

July 25 - International Conference on Atomic Collisions in Solids (ICACS 2006), Berlin (special invited lecture

Sept 5 - Trapped Charged Particles and Fundamental Physics Conference, Vancouver, Canada (invited lecture)

Sept 15 - National Institute of Standards and Technology, Gaithersburg (physics colloquium)

Sept 18 - Harvard University (physics colloquium)

Sept 19 - Center for Ultracold Atoms, MIT (seminar)

Oct 10 - Flavour in the Era of the LHC, CERN, Geneva (invited lecture)

Oct 27 - Conference on Applications of Gamma Ray Diffraction, Grenoble, France (invited lecture)

Oct 31 - American Physical Society, Division of Plasma Physics, Philadelphia (invited tutorial)

Nov 13 - University of Washington, Seattle (physics colloquium)

Nov 15 - Rutgers University (physics colloquium)

Nov 16 - Princeton University (physics colloquium)

Dec 7 - The University of Oklahoma, Norman (physics colloquium)

Dec 8 - Argonne National Laboratory (physics colloquium)


2007

Jan 6 - Physics of Quantum Electronics (PQE), Snowbird, Utah (invited lecture)

Jan 16 - York University, Toronto (physics colloquium)

Jan 18 - University of California, San Diego (physics colloquium)

Jan 23 - Ohio State University (physics colloquium)

Jan 24 - Fermilab (physics colloquium)

Jan 25 - Michigan State University (physics colloquium)

Jan 30 - University of Maryland (physics colloquium)

Feb 2 - University of New Mexico (physics colloquium)

Feb 6 - CERN SPSC, Geneva

Feb 15 - MIT (physics colloquium)

Feb 20 - Massachusetts General Hospital (physics colloquium)

Feb 21 - Veritas Forum at Harvard University (introduction and moderator)

Feb 27 - Boston University (physics colloquium)

Feb 28 - Assumption College, Worcester, MA (science and religion lecture)

Mar 7 - University of Liverpool (Frohlich lecture)

Mar 8 - Imperial College, London (physics colloquium)

Mar 27 - Science and Secondary Education Lecture, Lexington

Mar 28 - Rice University, Houston (physics colloquium)

Apr 2 - Grant Writing for Science and English Students, Boston

Apr 4 - Sixth North American FT-ICR MS Conference, Lake Tahoe (plenary lecture)

Apr 5 - University of California, Los Angeles (physics colloquium)

Apr 9 - Columbia University (physics colloquium)

Apr 14 - American Physical Society Annual Meeting, Jacksonville, FL (plenary lecture)

Apr 25 - University of Notre Dame (physics colloquium)

Apr 28 - Lexington Christian Academy, Lexington, MA (Lecture on science and secondary education)

May 7 - Dunbar High School, Baltimore (scientist speaks on science)

May 10 - Drexel University, Philadelphia (physics colloquium)

May 29 - Källén Symposium on Nature's Laws and Nature's Constants, Lund, Sweden, (plenary lecture on testing QED)

May 29 - Källén Symposium on Nature's Laws and Nature's Constants, Lund, Sweden, (plenary lecture on antimatter tests of fundamental symmetry)

May 30 - Göteborg University, Sweden (physics colloquium)

May 31 - Uppsala University, Sweden (physics colloquium)

June 1 - Uppsala University, Sweden (antihydrogen lecture)

June 7 - Foundations of Modern Physics (IQOQI), Vienna (invited lecture)

June 9 - American Physical Society, Division of Atomic, Molecular and Optical Physics (DAMOP), Calgary, Canada (invited hot-topics lecture)

June 21 - International Quantum Electronics Conference, (IQEC 2007), Munich (invited lecture)

June 25 - International Conference on Laser Spectroscopy, (ICOLS 07), Telluride, CO (invited lecture)

July 2 - Gordon Conference on Atomic Physics, Tilton, NH (invited lecture)

Aug 23 - Alpbach Technology Forum, Alpbach, Austria (invited lecture)

Sept 12 - Quantum Atomic, Molecular and Plasmas Physics Conference (QuAMP 2007), London (keynote speaker)

Sept 28 - Laboratory of Particle Physics (LAPP), Annecy, France (physics colloquium)

Oct 5 - International School on Quantum Metrology and Fundamental Constants, Les Hourches, France (invited lecture)

Oct 16 - American Institute of Physics Industrial Physics Forum, Seattle (invited lecture)

Nov 7 - ETH Zurich (physics colloquium)

Nov 9 - Free University, Berlin (physics colloquium)

Nov 14 - University of Michigan (Crane Centennial Colloquium)

Nov 15 - University of Chicago (Zachariasen lecture)

Nov 16 - U.S. Department of Energy (invited lecture)

Nov 26 - University of Ulm, Germany (physics colloquium)

Nov 27 - University of Ulm, Germany (antihydrogen seminar)

Dec 5 - Extra-Low-Energy Antiproton Ring (ELENA) meeting, CERN, Geneva (invited lecture)

Dec 8 - Poincaré Lectures on Spin, Paris (Poincaré lecture)


2008

Jan 18 - University of Heidelberg (physics colloquium)

Feb 8 - Umeå University, Sweden (physics colloquium)

Feb 8 - Umeå University, Sweden (antihydrogen lecture)

Feb 12 - Swedish Institute for Space Physics, Kiruna (physics colloquium)

Feb 14 - University of Stockholm, Alba Nova (physics colloquium)

Feb 14 - University of Stockholm, Alba Nova (antihydrogen seminar)

Feb 29 - University of Erlangen, Germany (special physics colloquium)

Mar 4 - Max Planck Institute of Quantum Optics, Garching (physics colloquium)

Mar 6 - Max Planck Institute of Quantum Optics, (antihydrogen ecture)

Mar 10 - University of Florence, Italy (physics colloquium)

Mar 12 - LENS, Florence, Italy (atomic physics seminar)

Apr 7 - University of Rome, "La Sapienza" (Tomassoni Prize Lecture)

Apr 10 - Heraeus Summer School, Bad Honnef, Germany (antiproton lecture)

Apr 11 - Heraeus Summer School, Bad Honnef, Germany (antiprotons in traps lecture)

Apr 11 - Heraeus Summer School, Bad Honnef, Germany (antihydrogen lecture)

May 6 - University of Mainz (physics colloquium)

May 7 - University of Mainz (antihydrogen lecture)

May 12 - University of Bonn (physics colloquium)

May 20 - Lancaster University, UK (physics colloquium)

May 21 - Cockcroft Institute, Cheshire, UK (physics seminar)

May 30 - Mass ECT Workshop, Trento, Italy (invited lecture)

June 3 - GSI, Darmstadt (physics colloquium)

June 4 - University of Copenhagen (Neils Bohr Lecture)

June 10 - University of Innsbruck (physics colloquium)

July 28 - International Conference on Atomic Physics, Storrs, CT (invited lecture)

Aug 13 - Generating Capital for the Christian Mind Conference; The Needs and Opportunities: The Physical Sciences (panelist)

Aug 26 - Conference on Exploring Fundamental Problems in Science, Brujuni, Croatia (invited magnetic moment lecture)

Aug 28 - Conference on Exploring Fundamental Problems in Science, Brujuni, Croatia (invited antihdyrogen lecture)

Dec 5 - The College of William & Mary (William Small Distinguished Lecturer)


2009

Jan 27 - CERN SPSC, Geneva, Switzerland

Mar 13 - Veritas Lecture, MIT (open evening lecture)

May 11 - New Opportunities in the Physics Landscape, Geneva, Switzerland (invited lecture)

May 29 - Conference on the Intersections of Particle and Nuclear Physics (CIPANP 2009) (invited lecture)

June 2 - Workshop on Atomic Physics with Rare Atoms, Univeristy of Michigan (invited lecture)

June 16 - Science, Philosophy and Belief Conference, Peking Univeristy, China (keynote speaker)

Aug 31 - Mazurian Lakes Conference on Physics: Nuclear Physics and the Road to FLAIR, Piaski, Poland (invited lecture)

Nov 12 - Missouri University of Science and Technology (physics colloquium)

Nov 13 - Northwestern University (physics colloquium)


2010

Jan 19 - CERN SPSC, Geneva, Switzerland

Apr 2 - Cornell Particle Physics Seminar (invited lecture)

Apr 12 - Trapped Charged Particles Conference, Saariselka, Finland invited lecture)

May 18 - University of Milan (annual physics colloquium)

June 17 - Brookhaven National Laboratory (Vernon Hughes Memorial Lecture)

July 1 - CPT and Lorentz Symmetry Conference, Indiana University (invited lecture)

July 20 - Lepton Moments International Symposium, Cape Cod, MA (invited lecture)

Sept 6 - Cold Rydberg Gases and Ultracold Atoms (CRYP10), Dresden, Germany (invited lecture)

Sept 6 - University of Dresden, Germany (physics colloquium)

Oct 15 - NRC Committee of Atomic, Molecular and Optical Sciences (CAMOS), Biosphere 2, Oracle, AZ (invited lecture)

Nov 5 - Second Annual Vernon W. Hughes Lecture, Yale (invited lecture)


2011

Jan 12 - University of Victoria (physics colloquium)

Jan 13 - University of British Columbia (physics colloquium)

Feb 18 - American Academy of Arts and Sciences Annual Meeting (invited lecture)

Mar 11 - Calvin College, Grand Rapids, MI (APS Lilienfeld Prize Lecture)

Mar 17 - TRIUMF, Vancouver (physics colloquium)

June 13 - American Physical Society, Division of Atomic, Molecular and Optical Physics (DAMOP), Atlanta (graduate symposium)

June 14 - American Physical Society, Division of Atomic, Molecular and Optical Physics (DAMOP), Atlanta (Lilienfeld Prize Lecture)

July 23 - International Workshop on Low-Energy Positron and Positronium Physics (POSMOL), Maynooth, Ireland (invited lecture)

Sept 5 - International Conference on Exotic Atoms and Related Topics, Vienna (invited lecture)

Sept 6 - Precision Measurements in Physics Symposium (in celebration of Ingmar Bergstrom's 90th birthday), Stockholm (invited lecture)

Oct 6 - Amherst College (physics colloquium)

Dec 2 - U.S. Department of Energy, Fundamental Physics at the Intensity Frontier (invited lecture)


2012

Jan 6 - AFOSR, Atomic, Molecular and Optical Physics Program Review (invited lecture)

Jan 17 - CERN, SPSC, Geneva

Jan 18 - Physics at FOM, Veldhoven, Netherlands (invited lecture)

Feb 20 - George Fox University, Newberg, OR (Dalton Lecture)

Apr 12 - University of Chicago, (physics colloquium -APS Lilienfeld Prize Lecture)

May 3 - Physics Prospects at FLAIR Workshop, GSI, Darmstadt (invited lecture)

May 11 - Seattle Pacific University (Erickson Undergraduate Research Lecture)

May 14 - University of Washington, Seattle (physics colloquium)

June 18 - Symmetries in Subatomic Physics Symposium, Groningen, Netherlands (keynote address)

Sept 10 - European Conference on Trapped Ions (ECTI), Obergurfl, Austria


2013

Jan 15 - CERN, SPSC, Geneva

Jan 18 - Partners in Science Program National Conference for High School Teachers, Murdock Charitable Trust, San Diego, CA (plenary lecture)

Jan 24 - Michigan State University (physics colloquium)

Jan 24 - Michigan State University (science and religion lecture)

Feb 22 - American Physical Society, Unit Leadership Convocation, College Park, MD (invited lecture)

Apr 12 - Texas A&M University, College Station, TX (Trotter Prize Lecture)

Apr 19 - Argonne National Lab (physics colloquium)

Apr 22 - Institute for Advanced Study, Princeton, NJ (physics colloquium)

June 14 - International Conference of Low Energy Antiproton Physics, Uppsala, Sweden (invited lecture)

June 15 - Uppsala, Sweden (invited public lecture)

June 18 - SLAC National Accelerator Laboratory, Standord (experimental seminar series lecture)

July 25 - Course of the International School of Physics on Ion Traps for Tomorrow's Applications, Varenna, Italy (fundamental measurements lecture 1)

July 26 - Course of the International School of Physics on Ion Traps for Tomorrow's Applications, Varenna, Italy (fundamental measurements lecture 2)

July 28 - Course of the International School of Physics on Ion Traps for Tomorrow's Applications, Varenna, Italy (fundamental measurements lecture 3)

Aug 9 - International Symposium on Science Explored by Ultra Slow Muon, Matsue, Japan (invited lecture)

Aug 28 - International Conference of New Frontiers in Physics, Kolymbari, Crete (invited plenary lecture)

Sept 11 - Physics of FundamentalSymmetries and Interactions at Low Energies and the Precision Frontier, Paul Scherrer Institute, Switzerland (invited lecture)

Sept 12 - Leopoldina Symposium on Spectroscopy and Molecular Dynamics at the Limit, ETH, Zurich (invited lecture)

Sept 19 - Institute of Research into Fundamental Laws of the Universe, CEA, Saclay, LFrance (physics colloquium)

Oct 11 - Bonn Humboldt Award Winners' Forum on Frontiers in Quantum Optics: Taming the World of Atoms and Photons - 100 Years After Niels Bohr (invited lecture)

Oct 31 - SPARC Workshop, Jena, Germany (invited lecture)

Nov 19 - Fermi National Accelerator Laboratory (student lecture)

Nov 20 - Fermi National Accelerator Laboratory (physics colloquium)

Nov 21 - Fermi National Accelerator Laboratory (student lecture)


2014

Jan 10 - Fermi National Accelerator Laboratory, Joint Experimental-Theoretical Physics Seminar (wine and chees seminar)

Jan 14 - CERN SPSC, Geneva

Apr 8 - Boston University (Benson T. Chertok Lecture)

Apr 11 - Innsbruck-Vienna SSFB Meeting, Vienna (invited lecture)

Apr 22 - University of Mainz (physics colloquium)

Apr 25 - University of Massachusetts, Amherst, (physics colloquium)

May 1 - University of California, Riverside (physics and astronomy colloquium)

May 8 - CERN Workshop: Questioning Fundamental Principles, Geneva, Switzerland (invited lecture)

May 11 - Tel Aviv University (Sackler Distinguished Lecture in Physics and Eisenberg Memorial Colloquium)

June 2 - Particlegenesis, Kavli Institute for Theoretical Physics, Santa Barbara (invited lecture)

June 5 - American Physical Society, Division of Atomic, Molecular and Optical Physics (DAMOP), Madison, WI (invited lecture)

Sept 18 - 5th International Conference on Exotic Atoms 2014, Vienna, Austria (invited lecture)

Oct 1 - University of Notre Dame (physics colloquium)

Oct 6 - University of Washington, Seattle (physics colloquium)

Oct 14 - Univ. of Connecticut (physics colloquium)


2015

Jan 14 - CERN SPSC

Jan 20 - Northwestern University, Evanston, IL (physics colloquium)

Feb 16 - Colorado State University (physics colloquium)

Apr 27 - International Workshop on Baryon and Lepton Number Violation, BLV 2015, Amherst, MA (plenary lecture)

May 28 - European Union "Historic Site" Designation of the Institute for Radium Research (now the Stefan Meyer Institute), Vienna, Austria (evening commemorative lecture)

June 9 - Annual DAMOP Meeting, Columbus, Ohio (evening public lecture)

June 11 - Jagiellonian Lecture (evening popular lecture)

June 28 - International Conference on Laser Science (ICOLS 2015), Singapore (keynote lecture)

July 29 - High Energy Physics Meeting of the European Physical Society, Vienna, Austria (plenary lecture)

Aug 29 - Univ. of Notre Dame Celebration of H. Gordon Berry (plenary lecture)

Sept 4 - Ringwald Conference of the Max Planck Institute for Quantum Optics, Ringwald, Germany (plenary lecture)

Sept 18 - German Leopoldina Academy of Sciences, Halle, Germany (plenary lecture)

Sept 21 - US - Japan QELS-12, Madison, Wisconsin (invited lecture)

Nov 20 - Ohio State University (physics colloquium)


2016

Jan 19 - CERN SPSLC

Jan 20 - Annual Dutch National Physics Society Conference, Veldhoven, The Netherlands (invited lecture)

Apr 19 - APS Meeting in Salt Lake City, Utah (plenary lecture celibrating 60 years since the discovery of parity violation)

June 7 - Munich Inst. for Astro and Particle Physics (invited lecture)

June 20 - CPT-16, Bloomington, IN (invited lecture)

June 29 - Humboldt Kolleg on Particle Physics, Kitzbühel, Austria (keynote lecture)


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