Evaluation of the second Born amplitude as a two-dimensional integral for H++H(1s) to H(1s)+H+

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, , Citation J M Wadehra et al 1981 J. Phys. B: Atom. Mol. Phys. 14 L767 DOI 10.1088/0022-3700/14/23/003

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1 Phys. Dept., Wayne State Univ., Detroit, MI, USA

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0022-3700/14/23/L767

Abstract

The second Born amplitude (with the exact propagator replaced by the free particle propagator) for the electron capture reaction H++H(1s) to H(1s)+H+ is reduced to a two-dimensional integral. The integrand has several singularities, which are dealt with. Results of the numerical integration of the cross section for various energies in the 25-200 keV range are presented.

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