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Elastic scattering of electrons from Rb, Cs and Fr atoms

Differential, integrated elastic, momentum-transfer and total cross sections as well as differential S, T and U spin parameters for scattering of electrons from rubidium, caesium and francium atoms in the incident energy range up to 300 eV are calculated using a relativistic Dirac equation. The proj...

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Bibliographic Details
Main Authors: Gangwar, Reetesh Kumar (Author) , Tripathi, A. N. (Author) , Sharma, Lalita (Author) , Srivastava, Rajesh (Author)
Format: Article (Journal)
Language:English
Published: 5 April 2010
In: Journal of physics. B, Atomic, molecular and optical physics
Year: 2010, Volume: 43, Issue: 8, Pages: 1-12
ISSN:1361-6455
DOI:10.1088/0953-4075/43/8/085205
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/0953-4075/43/8/085205
Verlag, lizenzpflichtig, Volltext: https://dx.doi.org/10.1088/0953-4075/43/8/085205
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Author Notes:R.K. Gangwar, A.N. Tripathi, L. Sharma and R. Srivastava
Description
Summary:Differential, integrated elastic, momentum-transfer and total cross sections as well as differential S, T and U spin parameters for scattering of electrons from rubidium, caesium and francium atoms in the incident energy range up to 300 eV are calculated using a relativistic Dirac equation. The projectile electron-target atom interaction is represented by both real and complex parameter-free optical potentials for obtaining the solution of a Dirac equation for scattered electrons. The Dirac-Fock wavefunctions have been used to represent the Rb, Cs and Fr target atoms. The results of differential cross sections and spin asymmetry parameter S for e-Rb and e-Cs have been compared with the available experimental and theoretical results. Detailed results are reported for the elastic scattering of electrons from the ground states of a francium atom for the first time in the wide range of incident electron energies. The results of electron-Fr elastic scattering show the similar features to those obtained in the case of e-Rb and e-Cs elastic scattering.
Item Description:Gesehen am 31.07.2023
Physical Description:Online Resource
ISSN:1361-6455
DOI:10.1088/0953-4075/43/8/085205

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