Published 2004
| Version v1
Miscellaneous
Ionisation of helium in positron impact
- 1. Vienna Univ. of Technology (Austria). Inst. for Theoretical Physics
- 2. Hungarian Academy of Science, Debrecen (Hungary). Inst. of Nuclear Research
- 3. Max-Planck-Institute for the Physics of Complex Systems, Dresden (Germany)
Description
Full text: We present classical trajectory Monte-Carlo calculations for ionisation of helium in positron collisions. The incident positron energy was varied between the ionisation threshold and 500 eV. We compare our results with Coulomb distorted-wave calculation and with experimental data. In general, good agreement is found. As a new feature we present excitation-ionisation cross sections where the He+ ion remains in the 1s ground state or is excited to the 2s or 2p state. To our knowledge no experimental data are available for state-resolved excitation-ionisation processes
Additional details
Publishing Information
- Publisher
- Institute of Nuclear Research of the Hungarian Academy of Sciences
- Imprint Place
- Debrecen (Hungary)
- Imprint Title
- 8. Workshop on Fast Ion - Atom Collisions. Program and Abstracts
- Imprint Pagination
- [119 p.]
- Journal Page Range
- p. 80
- Report number
- INIS-HU--007
Conference
- Title
- 8. Workshop on Fast Ion - Atom Collisions
- Dates
- 1-3 Sep 2004
- Place
- Debrecen (Hungary)
INIS
- Country of Publication
- Hungary
- Country of Input or Organization
- Hungary
- INIS RN
- 35106510
- Subject category
- S74: ATOMIC AND MOLECULAR PHYSICS;
- Resource subtype / Literary indicator
- Conference, Non-conventional Literature
- Descriptors DEI
- DWBA; EXCITED STATES; HELIUM IONS; IONIZATION; MONTE CARLO METHOD; POSITRON-ATOM COLLISIONS
- Descriptors DEC
- ATOM COLLISIONS; BORN APPROXIMATION; CALCULATION METHODS; CHARGED PARTICLES; COLLISIONS; ENERGY LEVELS; IONS; POSITRON COLLISIONS