Recent progress in the description of positron scattering from atoms using the convergent close-coupling theory

AS Kadyrov, I Bray - Journal of Physics B: Atomic, Molecular and …, 2016 - iopscience.iop.org
Much progress in the theory of positron scattering on atoms has been made in the ten years
since the review of Surko et al (2005 J. Phys. B: At. Mol. Opt. Phys. 38 R57). We review this …

Ionizing collisions by positrons and positronium impact on the inert atoms

G Laricchia, S Armitage, Á Kövér, DJ Murtagh - Advances in atomic …, 2008 - Elsevier
Recent progress in the study of positronpositron and positroniumpositronium induced
ionizationionization is reviewed within the context of the inert atoms. The focus is on …

[HTML][HTML] Recommended positron scattering cross sections for atomic systems

K Ratnavelu, MJ Brunger, SJ Buckman - Journal of Physical and …, 2019 - pubs.aip.org
We present a critical analysis of available experimental and theoretical cross section data for
positron scattering from atomic systems. From this analysis, we present (where data are …

Recent positron-atom cross section measurements and calculations

L Chiari, A Zecca - The European Physical Journal D, 2014 - Springer
We review recent cross section results for low-energy positron scattering from atomic targets.
A comparison of the latest measurements and calculations for positron collisions with the …

Binary-encounter dipole model for positron-impact direct ionization

K Fedus, GP Karwasz - Physical Review A, 2019 - APS
In the present work we study the applicability of the binary-encounter-dipole (BED) model
and its simpler version the binary-encounter-Bethe model for positron-impact direct …

Convergent close-coupling method for positron scattering from noble gases

DV Fursa, I Bray - New Journal of Physics, 2012 - iopscience.iop.org
We present the convergent close-coupling formulation for positron scattering from noble
gases (Ne, Ar, Kr and Xe) within the single-center approximation. Target functions are …

Multiconfigurational two-centre convergent close-coupling approach to positron scattering on helium

R Utamuratov, AS Kadyrov, DV Fursa… - Journal of Physics B …, 2010 - iopscience.iop.org
The convergent close-coupling method with two-centre expansions has been developed to
calculate positron scattering on helium. The method utilizes a multiconfigurational …

Excited-state positronium formation from helium, argon, and xenon

DJ Murtagh, DA Cooke, G Laricchia - Physical review letters, 2009 - APS
The cross sections for the formation of positronium in the 2 P state in collisions of positrons
with He, Ar, and Xe atoms have been determined by measuring coincidences between the …

Ionization cross sections in collisions between two hydrogen atoms by a quasi-classical trajectory Monte Carlo model

SJ Al Atawneh, K Tőkési - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
The hydrogen-hydrogen collision system is studied employing a four-body quasi-classical
trajectory Monte Carlo model of Kirschbaum and Wilets (QCTMC-KW, CL Kirschbaun and L …

A two-centre convergent close-coupling approach to positron–helium collisions

R Utamuratov, AS Kadyrov, DV Fursa… - Journal of Physics B …, 2010 - iopscience.iop.org
A two-centre convergent close-coupling method, which includes the positronium-formation
channel, has been developed for positron scattering on helium. Convergent …