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Published November 28, 2017 | public
Journal Article

Differential cross sections for excitation of H_2 by low-energy electron impact

Abstract

Experimental and theoretical differential cross sections (DCS) for the electron-impact excitation of molecular hydrogen to the B ^1Σ^+_u, c ^3∏_u, a ^3Σ^+_g, C ^1∏_u, and the E(F) ^1Σ^+_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°. The theoretical DCSs are from the convergent close-coupling method which has recently successfully modeled differential electron scattering from H_2 when compared with available experiment at energies of 17.5 eV and above.

Additional Information

© 2017 IOP Publishing Ltd. Received 15 June 2017, revised 11 September 2017; Accepted for publication 2 October 2017; Published 31 October 2017. MAK and LRH acknowledge support from National Science Foundation research grants NSF-RUI-AMO 1306742 and 0968874. XL acknowledges financial support through NASA's Planetary Atmospheres (PATM) and NSF-AST-1518304 program. This work was also supported by the United States Air Force Office of Scientific Research, Los Alamos National Laboratory (LANL) and Curtin University. Zammit would like to specifically acknowledge LANLs ASC PEM Atomic Physics Project for its support. The LANL is operated by Los Alamos National Security, LLC for the National Nuclear Security Administration of the US Department of Energy under Contract No. DEAC52-06NA25396. The authors thank Dr James Colgan (LANL) for reviewing this manuscript

Additional details

Created:
August 19, 2023
Modified:
October 17, 2023