Single ionization of helium atoms by energetic fully stripped carbon ions

doi:10.1088/1674-1056/24/10/103403

Abstract

A four-body distorted wave approximation is presented for theoretical investigations of the single ionization of ground-state helium atoms by fully stripped carbon ions at impact energies of 2 MeV/amu and 100 MeV/amu. The nine-dimensional integrals for the partial quantum-mechanical transition amplitudes of the specified reaction are reduced to some analytical expressions or one-dimensional integrals over real variables. Fully differential cross sections (FDCSs) are calculated and compared with their experimental values as well as the results obtained from other theories. Despite the simplicity and quickness of the proposed quadrature, the comparison shows that the obtained results are in reasonable agreement with the experiment and are compatible with those of other complicated theories.

Keywords: ion-impact ionization four-body distorted wave approximation transition amplitude fully differential cross sections

Received: 19 February 2015
Revised: 01 June 2015
Accepted manuscript online:

PACS:	34.80.Dp	(Atomic excitation and ionization)
	34.50.-s	(Scattering of atoms and molecules)

Corresponding Authors: Ebrahim Ghanbari-Adivi
E-mail: ghanbari@phys.ui.ac.ir

Cite this article:

Ebrahim Ghanbari-Adivi, Sadjad Eskandari Single ionization of helium atoms by energetic fully stripped carbon ions 2015 Chin. Phys. B 24 103403

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Single ionization of helium atoms by energetic fully stripped carbon ions

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