TY - JOUR
T1 - Spin Polarization and Differential Cross-Sections for $e^{±}$-Scattering from Rhenium Atom
AU - Sharma , Kapil K.
AU - Singh , Neerja
AU - Vats , R. P.
JO - Journal of Atomic and Molecular Sciences
VL - 3
SP - 197
EP - 208
PY - 2012
DA - 2012/03
SN - 3
DO - http://doi.org/10.4208/jams.052611.070611a
UR - https://global-sci.org/intro/article_detail/jams/8193.html
KW - relativistic calculation, electron-positron scattering.
AB - <p style="text-align: justify;">Various scattering cross section such as differential, integrated elastic, momentum transfer, 
total cross-sections and spin polarization parameters for both the elastic and total scattering 
of electron and positron from Re atoms in the impact energy range between 2.0 to 500 eV using the 
relativistic Dirac equations are studied. The target-projectile interaction is included by real and 
complex-free optical potentials for obtaining the solutions of Dirac equation for scattered electrons 
and positron. The Dirac-Fock wave functions have been used to represent the $e^{±}$-Re target atoms. 
Corresponding theoretical results are obtained from a relativistic approach based on solving the Dirac 
equation using Hartree-Fock and Dirac-Fock wave functions to calculate cross sections at all the energies measured.</p>