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Title: Effect of couplings of the n=2 states on excitation processes by protons and anti-protons impact on H(2s) atoms
Authors: Tantawi, Reda S
Keywords: Coupling;Proton scattering;Anti-proton scattering;Impact parameter approximation
Issue Date: Jul-2004
Publisher: CSIR
IPC Code: C 01B 3/00
Abstract: Effect of couplings of the n = 2 states on the n = 3 excitation cross-sections in scattering of protons and antiprotons by hydrogen atoms being initially in the 2s state has been investigated by means of the impact parameter approximation. The calculations take into account the n = 1, 2, 3, and 4 states of the target and cover energy range from 3 - 2500 keV. The study of the influence of the electric charge of the projectile is a target of this investigation. Therefore, the exchange effects in the case of proton-induced reactions are ignored. The results of calculations for protons are in reasonable agreement with a previous work.
Page(s): 506-511
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.42(07) [July 2004]

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