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Electron impact excitation of the q{sup 1}S {r_arrow}n{sup 1}P (n=3,4) transitions in helium

Journal Article · · Bulletin of the American Physical Society
OSTI ID:394137
; ;  [1]
  1. California State Univ., Fullerton, CA (United States)
Experimental differential cross-section (DCS) ratios for the above transitions to the 1{sup 1}S {r_arrow} 2{sup 1}P transition are reported at impact energies of 30eV, 40eV and 80eV and scattering angles in the range of 5{degrees} to 130{degrees}. The data are an extension of previously reported work using the electron-photon coincidence method in the VUV. The DCS ratios are normalized to available absolute DCSs for the 1{sup 1}S {r_arrow} 2{sup 1}P transition and the resulting n{sup 1}P DCSs are compared to previous semi-empirical DCSs as well as available theory.
OSTI ID:
394137
Report Number(s):
CONF-9605105--; CNN: Grant RUI-PHY-9205423
Journal Information:
Bulletin of the American Physical Society, Journal Name: Bulletin of the American Physical Society Journal Issue: 3 Vol. 41; ISSN BAPSA6; ISSN 0003-0503
Country of Publication:
United States
Language:
English

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