Angular Distribution of Atomic Photoelectrons as a Function of Photon Field Polarization:  Case of Ns-type Light Atoms

Issoufou Arzika Alio; Almoustapha Aboubacar

doi:10.9734/psij/2022/v26i5743

Research Article Open access CC BY 4.0

Angular Distribution of Atomic Photoelectrons as a Function of Photon Field Polarization: Case of Ns-type Light Atoms

Issoufou Arzika Alio, Almoustapha Aboubacar

Physical Science International Journal · pp. 17–25 · Published 26 Sep 2022

10.9734/psij/2022/v26i5743

Abstract

The angular distribution of the atomic photoelectrons gives us information on the evolution of the field of the photoelectrons in different directions concerning the incident direction of the electromagnetic radiation which is absorbed by the atom and its direction of polarization. Here, the angular distribution of atomic photoelectrons as a function of photon field polarization was studied theoretically using monocentric wave functions to investigate the influence of polarization on the theoretical results. A GEANT4 modeling calculation based on the Monte Carlo code was made on the helium atom. The calculations were performed at low energy above the atomic ionization threshold. The results obtained by analytical calculation for the total photoionization cross-section were compared with those obtained by a simulation calculation using GEANT4 modeling. A reasonable agreement was observed following this comparison for a range of energy considered in this study.

Angular distribution cross-section photoelectron polarization GEANT4

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Issoufou Arzika Alio, Almoustapha Aboubacar (2022). Angular Distribution of Atomic Photoelectrons as a Function of Photon Field Polarization: Case of Ns-type Light Atoms. Physical Science International Journal , 17–25. https://doi.org/10.9734/psij/2022/v26i5743

Affiliations

Issoufou Arzika Alio — Department of Physics, Faculty of Science and Technology, Abdou Moumouni University, Niamey, Niger.
Almoustapha Aboubacar — Department of Physics, Faculty of Science and Technology, Abdou Moumouni University, Niamey, Niger and Climate, Environment and Materials Radiation Laboratory, (LCEMR), Abdou Moumouni University, Niamey, Niger.

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