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 …

Electron–and positron–molecule scattering: Development of the molecular convergent close-coupling method

MC Zammit, DV Fursa, JS Savage… - Journal of Physics B …, 2017 - iopscience.iop.org
Starting from first principles, this tutorial describes the development of the adiabatic-nuclei
convergent close-coupling (CCC) method and its application to electron and (single-centre) …

Convergent close-coupling calculations of positron scattering from atomic carbon

NA Mori, LH Scarlett, I Bray, DV Fursa - Physical Review A, 2023 - APS
We report on the extension of the single-center convergent close-coupling method to
positron scattering on multielectron atoms, along with the development of a technique for …

[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 …

Roadmap on photonic, electronic and atomic collision physics: II. Electron and antimatter interactions

S Schippers, E Sokell, F Aumayr… - Journal of Physics B …, 2019 - iopscience.iop.org
We publish three Roadmaps on photonic, electronic and atomic collision physics in order to
celebrate the 60th anniversary of the ICPEAC conference. In Roadmap II we focus on …

Convergent-close-coupling formalism for positron scattering from molecules

MC Zammit, DV Fursa, I Bray - Physical Review A—Atomic, Molecular, and …, 2013 - APS
The abinitio convergent-close-coupling method has been extended to positron-molecule
collisions within the adiabatic (fixed-nuclei) approximation. Application to molecular …

Adiabatic-nuclei calculations of positron scattering from molecular hydrogen

MC Zammit, DV Fursa, JS Savage, I Bray, L Chiari… - Physical Review A, 2017 - APS
The single-center adiabatic-nuclei convergent close-coupling method is used to investigate
positron collisions with molecular hydrogen (H 2) in the ground and first vibrationally excited …

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 …