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 …

Antihydrogen formation via antiproton scattering with excited positronium

AS Kadyrov, CM Rawlins, AT Stelbovics, I Bray… - Physical Review Letters, 2015 - APS
Utilizing the two-center convergent close-coupling method, we find a several order of
magnitude enhancement in the formation of antihydrogen via antiproton scattering with …

Solution of the proton-hydrogen scattering problem using a quantum-mechanical two-center convergent close-coupling method

IB Abdurakhmanov, AS Kadyrov… - Journal of Physics B …, 2016 - iopscience.iop.org
Details of the recently developed quantum-mechanical two-center convergent close-
coupling approach (Abdurakhmanov et al 2016 J. Phys. B: At. Mol. Phys. 49 03LT01) to …

Calculation of antihydrogen formation via antiproton scattering with excited positronium

CM Rawlins, AS Kadyrov, AT Stelbovics, I Bray… - Physical Review A, 2016 - APS
The two-center convergent close-coupling method is used to calculate antihydrogen (H¯)
formation via positronium (Ps) scattering on antiprotons (p¯) at near threshold energies. For …

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 …

Two-center close-coupling calculations of positron–molecular-hydrogen scattering

R Utamuratov, AS Kadyrov, DV Fursa, MC Zammit… - Physical Review A, 2015 - APS
A two-center close-coupling method that includes positronium (Ps) formation channels has
been developed for positron scattering on molecular hydrogen. Calculations are performed …

Two-center convergent close-coupling approach to positron–helium-ion collisions

CM Rawlins, AS Kadyrov, I Bray - Physical Review A, 2018 - APS
We generalize the two-center convergent close-coupling approach of Kadyrov and Bray
[Phys. Rev. A 66, 012710 (2002) PLRAAN PLRAAN 1050-2947 10.1103/PhysRevA …

Positron-impact direct ionization of lithium, sodium and potassium atoms

R Utamuratov, DV Fursa, AS Kadyrov… - The European Physical …, 2021 - Springer
The distorted-wave and convergent close-coupling approaches are applied to positron-
impact direct ionization of Li, Na and K. We find reasonable agreement between different …

Antihydrogen formation in low-energy antiproton collisions with excited-state positronium atoms

AS Kadyrov, CM Rawlins, M Charlton, II Fabrikant… - Hyperfine …, 2018 - Springer
The convergent close-coupling method is used to obtain cross sections for antihydrogen
formation in low-energy antiproton collisions with positronium (Ps) atoms in specified initial …

Convergent close-coupling approach to positron scattering on He+

CM Rawlins, AS Kadyrov, I Bray - The European Physical Journal D, 2018 - Springer
A close-coupling method is used to generate electron-loss and total scattering cross
sections for the first three partial waves with both a single-centre and two-centre expansion …