Positronium hydrides and the Ps{sub 2} molecule: Bound-state properties, positron annihilation rates, and hyperfine structure
- Department of Chemistry, Queens University, Kingston, Ontario, K7L3N6 (CANADA)
The bound-state spectra of the positronium hydrides {sup {infinity}}HPs, TPs, DPs, {sup 1}HPs, and MuPs are considered. The properties of the bound ground S states (L=0) in these systems and the Ps{sub 2} molecule have been determined by extensive variational calculations. The hyperfine structure of these states is also investigated. The positron annihilation rates have been evaluated for the positronium hydrides, the Ps{sub 2} molecule, and the Ps{sup {minus}} ion and compared. The positron annihilation rates {Gamma}{sub n{gamma}} (where n{ge}2) in the positronium hydrides are significantly closer to those in the Ps{sup {minus}} ion (the three-body system) than in the Ps{sub 2} molecule. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 530929
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 4 Vol. 55; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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