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Topic Area: Atomic Physics
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Displaying records 71 to 80 of 85 records.
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71. Spin-resolved Superelastic Electron Scattering from Laser Excited Chromium Atoms
Topic: Atomic Physics
Published: 11/14/1993
Authors: G Hanne, Jabez J McClelland, R E. Scholten, Robert Celotta
Abstract: Superelastic scattering of polarized electrons from laser-excited polarized chromium atoms (4^u7^P^uo^^d4^ {rarr} 4^u7^S^d3^ transition, energy gain 2.92 eV) has been measured for total collision energies of 6.8 and 13.6 eV (0.5 and 1.0 Ryd) and scat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620431

72. Spin-resolved Superelastic Scattering from Sodium at 10 and 40 eV
Topic: Atomic Physics
Published: 12/28/1991
Authors: R E. Scholten, Steven Ray Lorentz, Jabez J McClelland, Michael H Kelley, Robert Celotta
Abstract: Spin-resolved superelastic electron scattering from sodium has been measured at total energies of 10 and 40 eV, for scattering angles between 10{degree} and 140{degree}. The angular momentum transfer, L{perp}, and the spin-resolved components L(T{per ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620398

73. State Selection in Electron-Atom Scattering: Spin-Polarized Electron Scattering from Optically Pumped Sodium
Topic: Atomic Physics
Published: 1/1/1986
Authors: Jabez J McClelland, Michael H Kelley, Robert Celotta
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620272

74. Stimulated Generation of Superluminal Light Pulses via Four-wave Mixing
Topic: Atomic Physics
Published: 4/26/2012
Authors: Ryan Thomas Glasser, Ulrich Vogl, Paul D Lett
Abstract: We report on the four-wave mixing of superluminal pulses, in which both the injected and generated pulses involved in the process propagate with negative group velocities. Generated pulses with negative group velocities of up to vg = −c/880 ar ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910231

75. Superelastic Scattering of Spin-polarized Electrons from Optically Pumped Sodium
Topic: Atomic Physics
Published: 1/1/1987
Authors: Michael H Kelley, Jabez J McClelland, Robert Celotta
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620293

76. Superelastic Scattering of Spin-polarized Electrons from Sodium
Topic: Atomic Physics
Published: 9/1/1989
Authors: Jabez J McClelland, Michael H Kelley, Robert Celotta
Abstract: Superelastic scattering of spin-polarized electrons from laser-excited sodium atoms has been measured at incident energies of 2.0, 17.9, and 52.3 eV over the angular range 10{degree}-120{degree}. Circularly polarized excitation of the sodium atoms wa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620336

77. Synopsis of the Fifth International Symposium on Polarization and Correlation in Electronic and Atomic Collisions
Topic: Atomic Physics
Published: 1/1/1990
Authors: Michael H Kelley, K Becker, P Neill
Abstract: Electron spin polarization effects and electron-photon angular and polarization correlation studies in electronic and atomic collision processes were the major subjects discussed at the Fifth International Symposium on Polarization and Correlation in ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620352

78. Towards a compact cold atom frequency standard based on coherent populatoin trapping
Topic: Atomic Physics
Published: 6/2/2010
Authors: Francois-Xavier R. Esnault, Elizabeth A Donley, John E Kitching
Abstract: We describe in this paper the main features of a cold atom CPT based frequency standard. We explain our particular CPT configuration and our experimental setup. as well as present simulations of the expected performance (stability and major systemati ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905991

79. Uncertainty Intervals for Polarized Beam Scattering Asymmetry Statistics
Topic: Atomic Physics
Published: 7/1/1993
Authors: Kevin J Coakley, Jabez J McClelland, Michael H Kelley, Robert Celotta
Abstract: In many scattering experiments, the quantity of most direct physical interest is a measure of the difference between two closely related scattering signals, each generated by a Poisson scattering process. This difference is often expressed in terms o ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620420

80. Uncooled, Millimeter-Scale Atomic Magnetometers with Femtotesla Sensitivity
Topic: Atomic Physics
Published: 10/26/2009
Authors: John E Kitching, Svenja A Knappe, William C. Griffith, Jan Preusser, V Gerginov, Peter D. Schwindt, Vishal Shah, Ricardo Jimenez Martinez
Abstract: We summarize recent results at NIST to develop high-performance yet highly miniaturized magnetic sensors based on atomic vapors confined in microfabricated alkali vapor cells. These sensors currently achieve sensitivities in the range of a few tens o ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903176



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