Journal of Scientific Research
Volume 2, Numéro 4, Pages 3-6
2012-12-01

Continuum Variational Contribution In Excitation Cross Sections Of Atomic Hydrogen Within Pseudo-state Method



Authors : Bouserhane Adnane . Bouamoud M. . Lasri B. .

Abstract

We use Schwinger variational principle to evaluate excitation cross section of atomic hydrogen by proton impact at energy range between 2keV and 200keV. Contribution of the continuum near ionization threshold was introduced in a model with zero angular momentum using L2 method developed by Yamani and Reinhardt in 1974-1975. Our results were compared with those of Bouamoud (1988-1989) using 1s, 2s and 2p state of hydrogen atom.

Keywords

Schwinger variational principle, L2 method, J mat rix method of Yamani and Reinhardt.

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