Positronium Collisions with Atoms, Molecules, and Ions
A special issue of Atoms (ISSN 2218-2004).
Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 433
Special Issue Editors
Interests: positronium collisions with atoms, molecules, and protons/antiprotons; laser-assisted electron collisions; atomic processes in external fields
Interests: positron and positronium physics; antimatter physics; positron and positronium beams; positron, positronium and electron collisions with atoms and molecules
Special Issue Information
Dear Colleagues,
Positronium (Ps) interaction with matter is of a great interest from a fundamental physics perspective. Processes involving Ps collisions with atoms and molecules are also important in studies of biological media, the interstellar gas, the Earth’s atmosphere, and industrially important materials. A review on Ps collisions was written in 2012 (G. Laricchia and H. R. J. Walters, Riv. Nuovo Cimento 35, 305 (2012)) and a Special Issue on Antihydrogen and Positronium was published in 2017 (M. Charlton et al. J. Phys. B: At. Mol. Opt. Phys. 50 140201 (2017)). Since then, significant advances have been made both experimentally and theoretically. In particular, studies of Ps collisions with protons and antiprotons have led to a better understanding of mechanisms of antihydrogen formation. Observations of similarities between Ps and electron scattering by atoms and molecules, followed by theoretical investigations, allowed a better understanding of the mechanisms involved in Ps interactions with neutral targets. The purpose of the present Special Issue is to update the information on the physics of Ps interaction with atoms, molecules, protons, and antiprotons by the inclusion of new developments in experimental and theoretical studies of these processes.
Prof. Dr. Ilya Fabrikant
Prof. Dr. Gaetana Laricchia
Guest Editors
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Keywords
- positronium
- positronium beams and targets
- positronium collisions
- elastic scattering
- charge transfer
- positronium break-up
- antimatter studies
- antihydrogen formation
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