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Lookup NU author(s): Emeritus Professor Albert Crowe
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Electron-impact differential cross-section measurements for the excitation of the 2p(5)3s configuration of Ne are reported. The Ne cross sections are obtained using experimental differential cross sections for the electron-impact excitation of the n=2 levels of atomic hydrogen [Khakoo , Phys. Rev. A 61, 012701-1 (1999)], and existing experimental helium differential cross-section measurements, as calibration standards. These calibration measurements were made using the method of gas mixtures (Ne and H followed by Ne and He), in which the gas beam profiles of the mixed gases are found to be the same within our experimental errors. We also present results from calculations of these differential cross sections using the R-matrix and unitarized first-order many-body theory, the distorted-wave Born approximation, and relativistic distorted-wave methods. Comparison with available experimental differential cross sections and differential cross-section ratios is also presented.
Author(s): Crowe A; Khakoo MA; Wrkich J; Larsen M; Kleiban G; Kanik I; Trajmar S; Brunger MJ; Teubner PJO; Fontes CJ; Clark REH; Zeman V; Bartschat K; Madison DH; Srivastava R; Stauffer AD
Publication type: Article
Publication status: Published
Journal: Physical Review A
Year: 2002
Volume: 65
Issue: 6
ISSN (print): 0556-2791
ISSN (electronic):
Publisher: American Physical Society
URL: http://dx.doi.org/10.1103/PhysRevA.65.062711
DOI: 10.1103/PhysRevA.65.062711
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