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Article overview
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Photoexcitation of He- hollow-ion resonances: observation of the 2s2p2 4P state | R C Bilodeau
; J D Bozek
; A Aguilar
; G D Ackerman
; G Turri
; N Berrah
; | Date: |
5 Nov 2004 | Journal: | Phys Rev Lett, 93 (19), 193001 | Abstract: | Highly correlated states are studied in He-, a fundamental 3-electron system and prototypical negative ion. The 2s2p(2) 4P state is observed for the first time. This state is detected in a resonant simultaneous double-Auger decay of unprecedented strength. In addition, the first measurements of photodetachment cross sections, positions, widths, and shapes of triply excited resonances in He- are reported. These measurements provide a sensitive test for several sophisticated ab initio calculations, and indicate differences in the position and shape of some structures. | Source: | PubMed, pmid15600829 | Services: | Forum | Review | Favorites |
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