Antihydrogen formation from laser-assisted antiproton-positronium collisions

K Lévêque-Simon, PA Hervieux - Physical Review A, 2023 - APS
The formation of antihydrogen atoms from three-body collisions between positronium atoms
and antiprotons plays a crucial role in the gravitational behavior of antihydrogen at rest …

Dipolar focusing in laser-assisted positronium formation

HB Ambalampitiya, MK Matfunjwa… - Journal of Physics B …, 2024 - iopscience.iop.org
We consider positronium formation in collisions of positrons with excited hydrogen atoms H
(n) in an infrared laser field theoretically. This process is assisted by the dipolar focusing …

Laser-assisted radiative recombination in a cold hydrogen plasma

II Fabrikant, HB Ambalampitiya - Journal of Physics B: Atomic …, 2024 - iopscience.iop.org
We study the process of laser-assisted radiative recombination of an electron with a proton
in a cold hydrogen plasma employing the semiclassical Kramers' approach which involves …

Laser-assisted positronium formation in positron collisions with Rydberg hydrogen

MK Matfunjwa, HB Ambalampitiya, II Fabrikant - Physical Review A, 2025 - APS
We investigate the formation of positronium (Ps) in the presence of a linearly polarized
infrared laser field, via the collision of positrons with Rydberg hydrogen atoms H (n H) where …

Laser-assisted charge transfer in positronium collisions with protons and antiprotons

HB Ambalampitiya, J Stallbaumer, II Fabrikant - Physical Review A, 2022 - APS
We study the process of laser-assisted charge transfer in collisions of positronium atoms
with protons (antiprotons) with formation of Rydberg hydrogen (antihydrogen) atoms by the …

Semiclassical theory of laser-assisted dissociative recombination

II Fabrikant, HB Ambalampitiya, IF Schneider - Physical Review A, 2021 - APS
We study the process of laser-assisted dissociative recombination of an electron with a
molecular cation using a semiclassical approach. In the region outside a reaction sphere the …

Electron-molecule scattering in a bichromatic elliptically polarised laser field: Plateau structures and two-centre interference minima

K Kavazović, A Čerkić, DB Milošević - Molecular Physics, 2021 - Taylor & Francis
Scattering of electrons off diatomic molecules in a bichromatic elliptically polarised laser
field is considered by applying the S-matrix theory within the second Born approximation …