Below is a subset of our publications. The links below may not available from all locations. Abstracts are linked when available, the full article may be present at the directed location.

2012

• Spin-velocity correlations of optically pumped atoms, R. Marsland, III, B. H. McGuyer, B. A. Olsen, and W. Happer, Physical Review A 86, 023404 (2012)

• Cusp Kernels for Velocity-Changing Collisions, B. H. McGuyer, R. Marsland, III, B. A. Olsen, and W. Happer, Physical Review Letters 108, 183202 (2012)

2011

• Optical pumping ans spectroscopy of Cs vapor at high magnetic field, B. A. Olsen, B. Patton, Y.-Y. Jau, and W. Happer, Physicsal Reviev A 84, 063410 (2011)

• Hyperfine frequencies of ⁸⁷Rb and ¹³³Cs atoms in Xe gas, B. H. McGuyer, T. Xia, Y.-Y. Jau, and W. Happer, Physical Review A 84, 030501(R) (2011)

• Temperature-insensitive laser frequency locking near absorption lines, N. Kostinski, B. A. Olsen, R. Marsland, III, B. H. McGuyer, and W. Happer, Review of Scientific Instruments 82, 033114 (2011)

• Transfer of spin angular momentum from Cs vapor to nearby Cs salts through laser-induced spin currents, K. Ishikawa, B. Patton, B. A. Olsen, Y.-Y. Jau, and W. Happer, Physical Review A 83, 063410 (2011)

2010

• Optically pumped atoms with velocity- and spin-changing collisions at low gas pressures, S. W. Morgan and W. Happer, Physical Review A 81, 042703 (2010)

• Polarization and hyperfine transitions of metastable ¹²⁹Xe in discharge cells, T. Xia, S. W. Morgan, Y.-Y. Jau, and W. Happer, Physical Review A 81, 033419 (2010)

2009

• Modification of glass cell walls by rubidium vapor, J. Ma, A. Kishinevski, Y.-Y. Jau, C. Reuter, and W. Happer, Physical Review A 79, 042905 (2009)

2008

• Nonlinear Pressure Shifts of Alkali-Metal Atoms in Inert Gases, F. Gong, Y.-Y. Jau, and W. Happer, Physical Review Letters 100, 233002 (2008)

2007

• Push-Pull Laser-Atomic Oscillator, Y.-Y. Jau and W. Happer, Physical Review Letters 99, 223001 (2007)

• Intrinsic Impurities in Glass Alkali-Vapor Cells, B. Patton, K. Ishikawa, Y.-Y. Jau, and W. Happer, Physical Review Letters 99, 027601 (2007)

• Magnetic resonance reversals in optically pumped alkali-metal vapor, F. Gong, Y.-Y. Jau, and W. Happer, Physical Review A 75, 053415 (2007)

• Spin Transfer from an Optically Pumped Alkali Vapor to a Solid, K. Ishikawa, B. Patton, Y.-Y. Jau, and W. Happer, Physical Review Letters 98, 183004 (2007)

2006

• Electrolytic fabrication of atomic clock cells, F. Gong, Y.-Y. Jau, K. Jensen, and W. Happer, Review of Scientific Instruments 77, 076101 (2006)

2005

• Simultaneous stabilization of frequency and magnetic field with the tilted 0-0 state, Y.-Y. Jau and W. Happer, Applied Physics Letters 87, 204108 (2005)

• Amplitude- versus frequency-modulated pumping light for coherent population trapping resonances at high buffer-gas pressure, A. B. Post, Y.-Y. Jau, N. N. Kuzma, and W. Happer, Physical Review A 72, 033417 (2005)

2004

• Push-pull optical pumping of pure superposition states, Y.-Y. Jau, E. Miron, A. B. Post, N. N. Kuzma, and W. Happer, Physical Review Letters 93, 160802 (2004)

• Measurement of ¹²⁹Xe-Cs binary spin-exchange rate coefficient, Y.-Y. Jau, N. N. Kuzma, and W. Happer, Physical Review A 69, 061401 (2004)

• Buffer-gas-induced shift and broadening of hyperfine resonances in alkali-metal vapors, P. J. Oreto, Y.-Y. Jau, A. B. Post, N. N. Kuzma, and W. Happer, Physical Review A 69, 042716 (2004)

• Intense, narrow atomic-clock resonances, Y.-Y. Jau, A. B. Post, N. N. Kuzma, A. M. Braun, M. V. Romalis, and W. Happer, Physical Review Letters 92, 110801 (2004)

2003

• Magnetic decoupling of ¹²⁹Xe-Rb and ¹²⁹Xe-Cs binary spin exchange, Y.-Y. Jau, N. N. Kuzma, and W. Happer, Physical Review A 67, 022720(2003)

2002

• Magnetic slowing down of spin relaxation due to binary collisions of alkali-metal atoms with buffer-gas atoms, D. K. Walter, W. M. Griffith, and W. Happer, Physical Review Letters 88,093004 (2002)

• Spin-exchange broadening of atomic clock resonances, D. K. Walter and W. Happer, Laser Physics 12, 1182 (2002)

• Chemical shift of hyperpolarized ¹²⁹Xe dissolved in liquid nitrogen, B. Patton, N. N. Kuzma, and W. Happer, Physical Review B 65, 020404 (2002)

• Fast nuclear spin relaxation in hyperpolarized solid ¹²⁹Xe, N. N. Kuzma, B. Patton, K. Raman, and W. Happer, Phys. Rev. Lett. 88, 147602 (2002)

• Anisotropic nuclear spin relaxation in single-crystal xenon, N. N. Kuzma, D. Babich, and W. Happer, Physical Review B 65, 134301b (2002)

• High-field measurement of the ¹²⁹Xe-Rb spin-exchange rate due to binary collisions, Y.-Y. Jau, N. N. Kuzma, and W. Happer, Physical Review A 66, 052710 (2002)

2001

• Energy transport in high-density spin-exchange optical pumping cells, D. K. Walter, W. M. Griffith, and W. Happer, Physical Review Letters 86, 3264 (2001)

• Spin-axis relaxation in spin-exchange collisions of alkali-metal atoms, S. Kadlecek, T. Walker, D. K. Walter, C. Erickson, and W. Happer, Physical Review A 63 052717 (2001)

• Faraday Rotation Density Measurements of Optically Thick Alkali Metal Vapors, E. Vliegen, S. Kadlecek, L. W. Anderson, T. G. Walker, C. J. Erickson, and W. Happer, Nuclear Instruments and Methods in Physics Research A 460, 444 (2001)

2000

• Spin relaxation resonances due to the spin-axis interaction in dense rubidium and cesium vapor, C. J. Erickson, D. Levron, W. Happer, S. Kadlecek, B. Chann, L. W. Anderson, and T. G. Walker, Physical Review Letters 85, 4237 (2000)

1999

• Lung air spaces: MR imaging evaluation with hyperpolarized ³He gas, E. D. De Lange, J. P. Mugler III, J. R. Brookeman, J. Knight-Scott, J. D. Truwit, C. D. Teates, T. M. Daniel, P. L. Bogorad, and G. D. Cates, Radiology 210, 851 (1999)

• Inhomogeneously broadened spin masers, M. V. Romalis and W. Happer, Physical Review A 60, 1385 (1999)

• ¹²⁹Xe spin relaxation in frozen xenon, R. J. Fitzgerald, M. Gatzke, D. C. Fox, G. D. Cates, and W. Happer, Physical Review B 59, 8795 (1999)

• Light narrowing of rubidium magnetic-resonance lines in high-pressure optical-pumping cells, S. Appelt, A. Ben-Amar Baranga, A. R. Young, and W. Happer, Physical Review A 59, 2078 (1999)

• Resonance technique to probe ¹²⁹Xe surface interactions, K. L. Sauer, R. J. Fitzgerald, and W. Happer, Physical Review A 59, R1746 (1999)

1998

• Estimates of the relative magnitudes of the isotropic and anisotropic magnetic-dipole hyperfine interactions in alkali-metal-noble-gas systems, D. K. Walter, W. Happer, and T. G. Walker, Physical Review A 58, 3642 (1998)

• Magnetic resonance imaging of hyperpolarized ¹²⁹Xe produced by spin exchange with diode-laser pumped Cs, D. Levron, D. K. Walter, S. Appelt, R. J. Fitzgerald, D. Kahn, S. E. Korbly, K. L. Sauer, W. Happer, T. L. Earles, L. J. Mawst, D. Botez, M. Harvey, L. DiMarco, J. C. Connolly, H. E. Moller, X. J. Chen, G. P. Cofer, and G. A. Johnson, Applied Physics Letters 73, 2666 (1998)

• Alkali-metal-atom polarization imaging in high-pressure optical-pumping cells, A. Ben-Amar Baranga, S. Appelt, C. J. Erickson, A. R. Young, and W. Happer, Physical Review A 58, 2282 (1998)

• Theory of spin-exchange optical pumping of ³He and ¹²⁹Xe, S. Appelt, A. Ben-Amar Baranga, C. J. Erickson, M. Romalis, A. R. Young, and W. Happer, Physical Review A 58, 1412 (1998)

• Cross-relaxation in laser-polarized liquid xenon, R. J. Fitzgerald, K. L. Sauer, and W. Happer, Chemical Physics Letters 284, 87 (1998)

• Polarization of ³He by spin exchange with optically pumped Rb and K vapors, A. Ben-Amar Baranga, S. Appelt, M. V. Romalis, C. J. Erickson, A. R. Young, G. D. Cates, and W. Happer, Physical Review Letters 80, 2801 (1998)

• Toward precision polarimetry of dense polarized ³He targets, M. V. Romalis, P. L. Bogorad, G. D. Cates, T. E. Chupp, K. P. Coulter, E. W. Hughes, J. R. Johnson, K. S. Kumar, T. B. Smith, A. K. Thompson, and R. Welsh, Nuclear Instruments & Methods in Physics Research, Section A 402, 260 (1998).

• "Medical Imaging", McGraw-Hill Yearbook of Science and Technology, New York, p. 243 (1998)

1997

• Pressure broadening of Rb D₁ and D₂ lines by ³He, ⁴He, N₂, and Xe: line cores and near wings, M. V. Romalis, E. Miron, and G. D. Cates, Physical Review A 56, 4569 (1997)

• Laser-polarized liquid xenon, K. L. Sauer, R. J. Fitzgerald, and W. Happer, Chemical Physics Letters 277, 153 (1997)

• Spin-rotation interaction of alkali-metal-He-atom pairs, T. G. Walker, J. H. Thywissen, and W. Happer, Physical Review A 56, 2090 (1997)

• Dynamics of magnetization in hyperpolarized gas MRI of the lung, G. A. Johnson, G. Cates, X. J. Chen, G. P. Cofer, B. Driehuys, W. Happer, L. W. Hedlund, B. Saam, M. D. Shattuck, and T. Swartz, Magnetic Resonance in Medicine 38, 66 (1997)

• MR imaging and spectroscopy using hyperpolarized ¹²⁹Xe gas: preliminary human results, J. P. Mugler III, B. Driehuys, J. R. Brookeman, G. D. Cates, S. S. Berr, R. G. Bryant, T. M. Daniel, E. E. de Lange, J. H. Downs III, C. J. Erickson, W. Happer, D. P. Hinton, N. F. Kassel, T. Maier, C. D. Phillips, B. T. Saam, K. L. Sauer, and M. E. Wagshul, Magnetic Resonance in Medicine 37, 809 (1997)

• Three-dimensional imaging of spin polarization of alkali-metal vapor in optical pumping cells, A.R. Young, S. Appelt, A. Ben-Amar Baranga, C. Erickson, and W. Happer, Applied Physics Letters 70, 3081 (1997)

• Spin-exchange optical pumping of noble-gas nuclei, T. G. Walker and W. Happer, Reviews of Modern Physics 69, 629 (1997)

1996

• Edge enhancement observed with hyperpolarized ³He, B. Saam, N. Drukker, and W. Happer, Chemical Physics Letters 263, 481 (1996)

• Human lung air spaces: potential for MR imaging with hyperpolarized He-3, J. R. MacFall, H. C. Charles, R. D. Black, H, Middleton, J. C. Swartz, B. Saam, B. Driehuys, C. Erickson, W. Happer, G. D. Cates, G. A. Johnson, and C. E. Ravin, Radiology 200, 553 (1996)

• High-volume production of laser-polarized ¹²⁹Xe, B. Driehuys, G. D. Cates, E. Miron, K. Sauer, D. K. Walter, and W. Happer, Applied Physics Letters 69, 1668 (1996)

• In vivo He-3 MR images of guinea pig lungs, R.D. Black, H. L. Middleton, G. D. Cates, G. P. Cofer, B. Driehuys, W. Happer, L. W. Hedlund, G. A. Johnson, M. D. Shattuck, and J. C. Swartz, Radiology 199, 867 (1996)

1995

• Surface relaxation mechanisms of laser-polarized ¹²⁹Xe, B. Driehuys, G. D. Cates, and W. Happer, Physical Review Letters 74, 4943 (1995)

• Nuclear relaxation of ³He in the presence of O₂, B. Saam, W. Happer, and H. Middleton, Physical Review A 52, 862 (1995)

• MR imaging with hyperpolarized ³He gas, H. Middleton, R. D. Black, B. Saam, G. D. Cates, G. P. Cofer, R. Guenther, W. Happer, L. W. Hedlund, G. A. Johnson, K. Juvan, and J. Swartz, Magnetic Resonance in Medicine 33, 271 (1995)

1994

• Biological magnetic resonance imaging using laser-polarized ¹²⁹Xe, M. S. Albert, G. D. Cates, B. Driehuys, W. Happer, B. Saam, C. S. Springer, Jr, and A. Wishnia, Nature 370, 199 (1994)

• Atmospheric-turbulence compensation by resonant optical backscattering from the sodium layer in the upper atmosphere, W. Happer, G. J. MacDonald, C. E. Max, and F. J. Dyson, Journal of the Optical Society of America A 11, 263 (1994)