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

Abstract

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.

Authors:
ORCiD logo [1];  [1];  [1]; ORCiD logo [2];  [3];  [4];  [5]; ORCiD logo [5]; ORCiD logo [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)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1415410
Report Number(s):
LA-UR-17-25266
Journal ID: ISSN 0953-4075; TRN: US1800808
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Physics. B, Atomic, Molecular and Optical Physics
Additional Journal Information:
Journal Volume: 50; Journal Issue: 22; Journal ID: ISSN 0953-4075
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; electron scattering; excitation; differential cross section

Citation Formats

Hargreaves, Leigh R., Bhari, S., Adjari, B., Liu, Xianming, Laher, Russ, Zammit, Mark Christian, Savage, Jeremy S., Fursa, Dmitry V., Bray, Igor, and Khakoo, Murtadha A.. Differential cross sections for excitation of H2 by low-energy electron impact. United States: N. p., 2017. Web. https://doi.org/10.1088/1361-6455/aa9048.
Hargreaves, Leigh R., Bhari, S., Adjari, B., Liu, Xianming, Laher, Russ, Zammit, Mark Christian, Savage, Jeremy S., Fursa, Dmitry V., Bray, Igor, & Khakoo, Murtadha A.. Differential cross sections for excitation of H2 by low-energy electron impact. United States. https://doi.org/10.1088/1361-6455/aa9048
Hargreaves, Leigh R., Bhari, S., Adjari, B., Liu, Xianming, Laher, Russ, Zammit, Mark Christian, Savage, Jeremy S., Fursa, Dmitry V., Bray, Igor, and Khakoo, Murtadha A.. Tue . "Differential cross sections for excitation of H2 by low-energy electron impact". United States. https://doi.org/10.1088/1361-6455/aa9048. https://www.osti.gov/servlets/purl/1415410.
@article{osti_1415410,
title = {Differential cross sections for excitation of H2 by low-energy electron impact},
author = {Hargreaves, Leigh R. and Bhari, S. and Adjari, B. and Liu, Xianming and Laher, Russ and Zammit, Mark Christian and Savage, Jeremy S. and Fursa, Dmitry V. and Bray, Igor and Khakoo, Murtadha A.},
abstractNote = {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.},
doi = {10.1088/1361-6455/aa9048},
journal = {Journal of Physics. B, Atomic, Molecular and Optical Physics},
number = 22,
volume = 50,
place = {United States},
year = {2017},
month = {10}
}

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    Works referencing / citing this record:

    Low-energy electron scattering from molecular hydrogen: Excitation of the X 1 Σ g + to b 3 Σ u + transition
    journal, December 2018


    Vibrational excitation of the ${{\rm{H}}}_{2}X{}^{1}{{\rm{\Sigma }}}_{g}^{+}$ state via electron-impact excitation and radiative cascade
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    • Scarlett, Liam H.; Tapley, Jonathan K.; Savage, Jeremy S.
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