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IJPAP Vol.42(07) [July 2004] >

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 CodeC 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)
Source:IJPAP Vol.42(07) [July 2004]

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