Resonances, cusp effects and a virtual state in e--He scattering near the n=3 thresholds
- 14 January 1978
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 11 (1), L21-L25
- https://doi.org/10.1088/0022-3700/11/1/005
Abstract
Variational calculations locate and identify resonances and new threshold structures in electron impact excitation of He metastable states, in the region of the 33S and 31S excitation thresholds. A virtual state is found at the 33S threshold.Keywords
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