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- Title
Ab Initio Double-Differential Ionization Cross-Section Calculations in Antiproton–Helium Collisions.
- Authors
Barna, Imre Ferenc; Pocsai, Mihály András; Tőkési, Károly
- Abstract
We present ionization cross-sections for antiproton and helium collisions based on an ab initio time-dependent coupled channel method. In our calculations, a finite basis set of regular helium Coulomb wave packets and Slater function were used. The semiclassical approximation was applied with the time-dependent Coulomb potential to describe the antiproton–electron interaction. Three different projectile energies were considered as 10, 50 and 100 keV. We found clear evidence for the formation of the anti-cusp in the differential distributions.
- Subjects
WAVE packets; ANTIPROTONS; HELIUM
- Publication
Atoms (2218-2004), 2023, Vol 11, Issue 4, p74
- ISSN
2218-2004
- Publication type
Article
- DOI
10.3390/atoms11040074