Double electron excitation of He by fast charged-particle impact
Conference
·
OSTI ID:199726
- Univ. of Electro Communications, Tokyo (Japan)
Electron energy spectra (EES) for H{sup {minus}} doubly excited states resulting from collisions of H{sup {minus}} with He, p, and {bar p} are rigorously calculated within a semiclassical molecular representation by including couplings between doubly excited states and continuum states and their interference with direct-detachment processes. An energy sampling procedure, based on the Gauss quadratures, is used to discretize continuum states. The present results clarify double-excitation mechanisms and identify the contributions to the EES from each of three excited states, H{sup {minus}}(2s{sup 2}), H{sup {minus}}(2p{sup 2}), and H{sup {minus}}(2s2p).
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 199726
- Report Number(s):
- CONF-941129--
- Country of Publication:
- United States
- Language:
- English
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