Excitation of the 2S State of Atomic Hydrogen by Electron Impact
Heliophysics Science Division, NASA/Goddard Space Flight Center, Greenbelt, MD 20771, USA
Received: 13 November 2017 / Revised: 2 January 2018 / Accepted: 9 February 2018 / Published: 12 February 2018
The excitation cross sections of the 2S
state of atomic hydrogen at 10 low incident electron energies (10.30 and 54.5 eV) have been calculated using the variational polarized method. Nine partial waves are used to get convergence of cross sections in the above energy range. The maximum of the cross section is 0.137
at 11.14 eV which is close to the experimental result 0.163
0.2 eV. The present results are compared with other calculations, many of them are based on the close-coupling approximation, including the R
-matrix method. Differential cross sections at 13.6 eV incident energy have also been calculated. Spin-flip cross sections have been calculated and compared with those obtained using the close-coupling approximation.
This is an open access article distributed under the Creative Commons Attribution License
which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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MDPI and ACS Style
Bhatia, A.K. Excitation of the 2S State of Atomic Hydrogen by Electron Impact. Atoms 2018, 6, 7.
Bhatia AK. Excitation of the 2S State of Atomic Hydrogen by Electron Impact. Atoms. 2018; 6(1):7.
Bhatia, Anand K. 2018. "Excitation of the 2S State of Atomic Hydrogen by Electron Impact." Atoms 6, no. 1: 7.
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