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Differential cross sections for excitation of H2 by low-energy electron impact

Journal Article · · Journal of Physics. B, Atomic, Molecular and Optical Physics
 [1];  [1];  [1];  [2];  [3];  [4];  [5];  [5];  [5];  [1]
  1. California State Univ., Fullerton, CA (United States)
  2. Space Environment Technologies, Pacific Palisades, CA (United States)
  3. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  5. Curtin Univ., Perth, WA (Australia)
+ Show Author Affiliations

Experimental and theoretical differential cross sections (DCS) for the electron-impact excitation of molecular hydrogen to the $$B{}^{1}{{\rm{\Sigma }}}_{u}^{+}$$, $$c{}^{3}{{\rm{\Pi }}}_{u}$$, $$a{}^{3}{{\rm{\Sigma }}}_{g}^{+}$$, $$C{}^{1}{{\rm{\Pi }}}_{u}$$, and the $$E(F){}^{1}{{\rm{\Sigma }}}_{g}^{+}$$ states are presented at incident energies near to threshold. The experimental DCSs were taken at incident energies of 14, 15, 16 and 17.5 eV and for scattering angles from 10° to 130°. In conclusion, the theoretical DCSs are from the convergent close-coupling method which has recently successfully modeled differential electron scattering from H2 when compared with available experiment at energies of 17.5 eV and above.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1415410
Report Number(s):
LA-UR--17-25266
Journal Information:
Journal of Physics. B, Atomic, Molecular and Optical Physics, Journal Name: Journal of Physics. B, Atomic, Molecular and Optical Physics Journal Issue: 22 Vol. 50; ISSN 0953-4075
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Vibrational excitation of the ${{\rm{H}}}_{2}X{}^{1}{{\rm{\Sigma }}}_{g}^{+}$ state via electron-impact excitation and radiative cascade journal February 2019
Time-of-flight electron scattering from molecular hydrogen: Benchmark cross sections for excitation of the X 1 Σ g + → b 3 Σ u + transition journal May 2018
Low-energy electron scattering from molecular hydrogen: Excitation of the X 1 Σ g + to b 3 Σ u + transition journal December 2018

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Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
differential cross section
electron scattering
excitation