Elastic Scattering of Low Energy Positrons by Atoms
Journal Article
·
· Zeitschrift fuer Naturforschung. A: Physical Sciences
Elastic scattering cross sections of low energy positrons (0 to about 40 eV) by Helium, Carbon, Nitrogen, Oxygen, Fluorine, Neon and Argon atoms are calculated by variational methods. The scattering potentials are taken to be the analytical approximations of different HARTREE potentials. Only s-wave is included. Comparisons with the available experimental datas of positron scattering by He, Ne an reveal that either a considerable strong polarisation potential will be required to bring the theoretical results at par with experiments or the formation of virtual positronium play a dominant role for this kind of elastic scattering.
- Research Organization:
- Max-Planck-Institut fur Physik und Astrophysik, Munich
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-025354
- OSTI ID:
- 4017489
- Journal Information:
- Zeitschrift fuer Naturforschung. A: Physical Sciences, Journal Name: Zeitschrift fuer Naturforschung. A: Physical Sciences Journal Issue: 5 Vol. 16; ISSN 0932-0784
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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