Enhanced electron attachment to laser-irradiated molecular hydrogen
Journal Article
·
· Bulletin of the American Physical Society
OSTI ID:127978
- Oak Ridge National Lab., TN (United States)
Efficient H{sup {minus}} formation in laser-irradiated hydrogen is reported. The electrons produced by laser photoionization are converted to negative ions via dissociative electron attachment. The observed H{sup {minus}} signal is more than two orders of magnitude larger than the maximum possible H{sup {minus}} signal that can be expected via electron attachment of high-vibrational states of the ground electronic state that may be indirectly populated. Dissociative electron attachment to superexcited states is proposed as a possible mechanism.
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 127978
- Report Number(s):
- CONF-920376--
- Journal Information:
- Bulletin of the American Physical Society, Journal Name: Bulletin of the American Physical Society Journal Issue: 9 Vol. 37; ISSN 0003-0503; ISSN BAPSA6
- Country of Publication:
- United States
- Language:
- English
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