Protonium formation in antiproton-hydrogen-atom collisions
Journal Article
·
· Physical Review. A
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996-1200 (United States) and Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States)
Expressions for momentum distributions of electrons in antiproton-hydrogen-atom collisions are derived in the framework of the advanced adiabatic approach for the time- independent Schroedinger equation. Protonium formation cross sections for states with different n and l spherical quantum numbers are also obtained. Total ionization and protonium formation cross sections are compared with other calculations in the interval of impact energies from 0.5 eV to 10 keV. We show that diabatic states promoted into the continuum can be rigorously defined within the advanced adiabatic framework.
- OSTI ID:
- 20717770
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 5 Vol. 71; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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