Theoretical studies on the elastic scattering of E± off the ions of xenon isonuclear series

Mahmudul H. Khandker, M. Masum Billah, Hiroshi Watabe, A. K.F. Haque, M. Alfaz Uddin

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This work presents the calculations of differential, integrated elastic and momentum transfer cross sections for the elastic scattering of electrons from the ions of xenon isonuclear series over the incident energy range 1 eV–1000 eV. Coulomb glory, the amplification of elastic backscattering of electrons from positive ions owing to the electrostatic screening of nuclear potential by atomic electrons, is investigated throughout the ionic series of xenon, argon and neon. Cross sections for the angular distribution of elastically scattered positron from selected xenon ions are also calculated. Energy dependency of differential cross sections and Sherman functions are predicted for both the projectiles and a comparison is presented to exhibit the dissimilarity arising out of the difference of the interactions of the projectiles with ions. The theoretical methodology of this work employs the Dirac relativistic partial wave analysis using a complex optical potential, comprising static, exchange, polarization and imaginary components, and a pure Coulomb potential. The results obtained show reasonable agreements with the available experimental data and other theoretical calculations.

Original languageEnglish
Article number025402
JournalPhysica Scripta
Volume96
Issue number2
DOIs
Publication statusPublished - 2021 Feb

Keywords

  • Coulomb glory
  • Electron and positron-ion scattering
  • Isonuclear series
  • Modified Coulomb field
  • Xenon ions

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Mathematical Physics
  • Condensed Matter Physics

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