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
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Scattering of Spin Polarized Positrons from Heavy Atoms: Europium and Bismuth
K. Sharma, Kapil
Acta Physica Polonica A, Vol. 126 (2014), Iss. 3 P.688
https://doi.org/10.12693/APhysPolA.126.688 [Citations: 3]