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Topic Area: Atomic Physics
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Displaying records 41 to 50 of 80 records.
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41. 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

42. Spin-Resolved Elastic Scattering of Electrons from Sodium
Topic: Atomic Physics
Published: 4/1/1993
Authors: Steven Ray Lorentz, R E. Scholten, Jabez J McClelland, Michael H Kelley, Robert Celotta
Abstract: Angle-resolved ratios of the separate triplet and singlet spin channel cross sections have been measured for elastic scattering of spin-polarized electrons from optically pumped spin-polarized sodium atoms. The triplet-to-singlet ratios axe reported ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620410

43. Production of a Spin-Polarized Atomic Cr Beam Using Optical Pumping Methods
Topic: Atomic Physics
Published: 1/1/1993
Authors: Jabez J McClelland, R E. Scholten, Robert Celotta
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620428

44. Determination of Complex Scattering Amplitudes in Low-Energy Elastic Electron-Sodium Scattering
Topic: Atomic Physics
Published: 11/1/1992
Authors: Jabez J McClelland, Steven Ray Lorentz, R E. Scholten, Michael H Kelley, Robert Celotta
Abstract: Measurements of spin-resolved elastic electron-sodium scattering have been carried out at incident energies of 4.1 and 12.1 eV, and the ratio of triplet to singlet scattering cross sections has been obtained at each energy. The ratio is used to provi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620404

45. Scattering of Polarized Electrons from Optically Pumped Sodium Atoms
Topic: Atomic Physics
Published: 1/1/1992
Authors: Michael H Kelley, Jabez J McClelland, Steven Ray Lorentz, R E. Scholten, Robert Celotta
Abstract: We have measured the spin-dependence for elastic and superelastic scattering of spin-polarized electrons from optically prepared sodium atoms at selected incident energies from 1.0 to 54.4 eV and for scattering angles ranging from 10-degrees to 140-d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620393

46. Spin-Resolved Elastic Scattering of Electrons from Sodium Below the Inelastic Threshold
Topic: Atomic Physics
Published: 12/30/1991
Authors: Steven Ray Lorentz, R E. Scholten, Jabez J McClelland, Michael H Kelley, Robert Celotta
Abstract: A very stringent test of low-energy electron-atom collision theory is made in the most favorable energy regime for the close-coupling approximation. Data are presented as exchange asymmetries in angle-resolved elastic scattering of spin-polarized ele ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620396

47. 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

48. Spin-Polarized Electron-Sodium Scattering
Topic: Atomic Physics
Published: 12/12/1991
Authors: Steven Ray Lorentz, R E. Scholten, Jabez J McClelland, Michael H Kelley, Robert Celotta
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620400

49. Polarized-Electron--Polarized-Atom Scattering
Topic: Atomic Physics
Published: 11/23/1990
Authors: Michael H Kelley, Jabez J McClelland, Steven Ray Lorentz, Robert Celotta
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620380

50. Search for a Joint Spin-Orbit and Exchange Asymmetry in Elastic Electron Scattering from Spin-Polarized Sodium
Topic: Atomic Physics
Published: 1/28/1990
Authors: Jabez J McClelland, S Buckman, Michael H Kelley, Robert Celotta
Abstract: Measurements of the asymmetry in the scattering of unpolarised electrons from optically pumped spin-polarised sodium atoms have been carries out at incident electron energies of 20, 54.4, and 70 eV and for a range of scattering angles between 20{degr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620346



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