[HTML][HTML] Positron scattering from atoms and molecules

SN Nahar, B Antony - Atoms, 2020 - mdpi.com
A review on the positron scattering from atoms and molecules is presented in this article.
The focus on positron scattering studies is on the rise due to their presence in various fields …

Low Energy Positron Scattering by F and F2

W Tenfen, J de Souza Glória… - The Journal of Physical …, 2022 - ACS Publications
We have determined integral and differential elastic cross sections for positron scattering
with atomic F and F2 molecules from 0.01 to 1000 eV with different theoretical approaches …

Higher order polarizabilities and the positron forward scattering problem: Convergence between calculated and measured cross sections in the very low energy …

W Tenfen, EP Seidel, MV Barp, F Arretche - Journal of Electron …, 2022 - Elsevier
We have employed a well established correlation-polarization model potential to calculate
the elastic cross sections for positron collisions with O 2, N 2 and CO 2 from 0.01 eV to E p s …

Rotational excitation of N2 by positron impact in the adiabatic rotational approximation

MV Barp, EP Seidel, F Arretche… - Journal of Physics B …, 2018 - iopscience.iop.org
In this article we present the rotational excitation cross sections of N 2 by positron impact for
energies between 1 and 10 eV. The cross sections were computed in the adiabatic …

Elastic scattering and rotational excitation of Li2 by positron impact

EP Seidel, MV Barp, W Tenfen, F Arretche - Journal of Electron …, 2018 - Elsevier
We report an ab initio and model potential investigation of elastic and rotational excitation
cross sections for positron impact with Li 2 molecule in the energy range from 0.1 to 10.0 eV …

Rotational excitation of O2 by positron impact

MV Barp, W Tenfen, F Arretche - Radiation Physics and Chemistry, 2021 - Elsevier
We report the rotational excitation of O 2 molecule by positron impact for energies between
0.01 and 5.0 eV. The T-matrices were obtained by the method of continued fractions within …

Young‐type interference in soft lepton scattering of diatomic homonuclear molecules

MV Barp, F Arretche - International Journal of Quantum …, 2022 - Wiley Online Library
Interference patterns in the scattering of positrons and electrons by diatomic homonuclear
molecules are ab initio calculated. Our results are compared to model potential calculations …

Positron Collisions

JR Machacek, RP McEachran, AD Stauffer - Springer Handbook of Atomic …, 2023 - Springer
The positron is the antiparticle of the electron, having the same mass but opposite charge.
Positrons undergo collisions with atomic and molecular systems in much the same way as …