Excitation of He/sup +/ by electron impact
Journal Article
·
· Phys. Rev., A; (United States)
A five-state close-coupling approximation in which 1s, 2s, and 2p eigenstates and 3s-bart-baru-barv-barw-barx-bary-barz-barI and 3p-barq-barr-bars-bart-baru-barv-barw-barx-bary-barz-barI pseudostates of He/sup +/ are included in the expansion, is used to calculate 1s ..-->.. 2s and 1s ..-->.. 2p excitation of He/sup +/ by electron impact in the intermediate energy range up to about three times ionization threshold energy. Pseudostates are chosen to maximize their overlap with bound states and low-lying continuum states of the same symmetry. Present results for 1s ..-->.. 2s excitation provide a link between accurate low- and high-energy results and agree with experiment above 70 eV. (AIP)
- Research Organization:
- Centre for Interdisciplinary Studies in Chemical Physics, The University of Western Ontario, London, Ontario, Canada
- OSTI ID:
- 7175515
- Journal Information:
- Phys. Rev., A; (United States), Journal Name: Phys. Rev., A; (United States) Vol. 14:4; ISSN PLRAA
- Country of Publication:
- United States
- Language:
- English
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