Elastic Scattering of Positron by Gold Atom

Elastic Scattering of Positron by Gold Atom

Year:    2011

Author:    Kapil K. Sharma, Neerja Singh, R. P. Vats

Journal of Atomic and Molecular Sciences, Vol. 2 (2011), Iss. 4 : pp. 294–304

Abstract

We present relativistic calculations of the differential, integrated elastic, momentum transfer total cross sections and spin polarization parameters for positrons scattered from Gold atom using a simple optical model potential to represent interaction between positron and target atoms in the energy range 2.0-500eV. In the present calculation we employ a parameter-free model potential for the correlation polarization and absorption potential as devised for positron-atom scattering. The theoretical results are obtained from relativistic approach based on solving the Dirac equation using Hartree-Fock and Dirac-Fock wave functions.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/jams.022611.031311a

Journal of Atomic and Molecular Sciences, Vol. 2 (2011), Iss. 4 : pp. 294–304

Published online:    2011-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    11

Keywords:    relativistic calculation positron scattering.

Author Details

Kapil K. Sharma

Neerja Singh

R. P. Vats

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