Many-Body Theory Calculations of Positron Scattering and Annihilation in , , and
The recently developed ab initio many-body theory of positron molecule binding [J. Hofierka,
Many-body theory of positron binding to polyatomic molecules, Nature (London) 606, 688 …
Many-body theory of positron binding to polyatomic molecules, Nature (London) 606, 688 …
Positron scattering from molecules: An experimental cross section compilation for positron transport studies and benchmarking theory
MJ Brunger, SJ Buckman, K Ratnavelu - Journal of Physical and …, 2017 - pubs.aip.org
We present a compilation of recommended positron–molecule cross sections for a range of
scattering processes including elastic scattering, vibrational excitation, discrete electronic …
scattering processes including elastic scattering, vibrational excitation, discrete electronic …
Implementation of a model potential in the Schwinger multichannel method to describe polarization in positron-atom and-molecule scattering: Studies for the noble …
FF Frighetto, AS Barbosa, SA Sanchez - Physical Review A, 2023 - APS
In this study, we evaluated a polarization scheme within the framework of the Schwinger
multichannel method, using a model potential to describe positron-molecule polarization …
multichannel method, using a model potential to describe positron-molecule polarization …
Positron scattering from O2
L Chiari, A Zecca, S Girardi, E Trainotti… - Journal of Physics B …, 2012 - iopscience.iop.org
We report on recent cross section results for positron scattering from molecular oxygen (O 2).
Total cross sections (TCSs) were measured with a positron spectrometer in the energy …
Total cross sections (TCSs) were measured with a positron spectrometer in the energy …
Model-potential calculations of positron binding, scattering, and annihilation for atoms and small molecules using a Gaussian basis
AR Swann, GF Gribakin - Physical Review A, 2020 - APS
A model-potential method is employed to calculate binding, elastic scattering, and
annihilation of positrons for a number of atoms and small nonpolar molecules, namely, Be …
annihilation of positrons for a number of atoms and small nonpolar molecules, namely, Be …
Higher order polarizabilities and the positron forward scattering problem: Convergence between calculated and measured cross sections in the very low energy …
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 …
the elastic cross sections for positron collisions with O 2, N 2 and CO 2 from 0.01 eV to E p s …
Theoretical formalism to estimate the positron scattering cross section
A theoretical formalism is introduced in this article to calculate the total cross sections for
positron scattering. This method incorporates positron–target interaction in the spherical …
positron scattering. This method incorporates positron–target interaction in the spherical …
Positron-electron correlation-polarization potentials for the calculation of positron collisions with atoms and molecules
J Franz - The European Physical Journal D, 2017 - Springer
We present correlation-polarization potentials for the calculation of scattering cross sections
of positrons with atoms and molecules. The potentials are constructed from a short-range …
of positrons with atoms and molecules. The potentials are constructed from a short-range …
Positron scattering from simple molecules
A modified version of spherical complex optical potential formalism is employed to calculate
the positron scattering cross sections over a wide energy range from near positronium …
the positron scattering cross sections over a wide energy range from near positronium …