Formation of the positronium negative ion in collisions of positronium with atomic hydrogen and helium
- 28 November 1989
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic, Molecular and Optical Physics
- Vol. 22 (22) , 3717-3724
- https://doi.org/10.1088/0953-4075/22/22/019
Abstract
The distorted-wave Born approximation and a CTMC model are employed to provide theoretical estimates of the cross sections for the formation of the positronium negative ion (Ps-) in collisions between positronium (Ps) and atomic hydrogen or helium, in the energy range 27 to 170 eV. In the calculation, a previously developed one-electron approach is employed to describe the Ps- ion, and a similar model is also used to describe helium targets.Keywords
This publication has 19 references indexed in Scilit:
- Precise nonvariational calculation of the positronium negative ionPhysical Review A, 1989
- Photodetachment and some rearrangement cross sections for the negative positronium ionJournal of Physics B: Atomic, Molecular and Optical Physics, 1988
- Glancing angle scattering and neutralization of a positron beam at metal surfacesPhysical Review Letters, 1987
- Photodetachment of the positronium negative ionPhysical Review A, 1985
- New calculation of the properties of the positronium ionPhysical Review A, 1983
- Positron annihilation in the positronium negative ionJournal of Physics B: Atomic and Molecular Physics, 1983
- Eikonal theory of electron- and positron-atom collisionsPhysics Reports, 1977
- Elastic scattering of electrons and positrons by complex atoms at intermediate energiesPhysical Review A, 1977
- Eikonal optical-model theory of elastic electron-atom scatteringPhysical Review A, 1974
- The quenching of orthopositronium by heliumJournal of Physics B: Atomic and Molecular Physics, 1968