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Petrunin VV, Jacobsen MH, Madsen LB, et al. Photodetachment of He- in the vicinity of the two-electron escape threshold. Phys Rev Lett. 2003;90(1):013002doi: 10.1103/PhysRevLett.90.013002.
Petrunin, V. V., Jacobsen, M. H., Madsen, L. B., Aseyev, S. A., & Andersen, T. (2003). Photodetachment of He- in the vicinity of the two-electron escape threshold. Physical review letters, 90(1), 013002. https://doi.org/10.1103/PhysRevLett.90.013002
Petrunin, V V, et al. "Photodetachment of He- in the vicinity of the two-electron escape threshold." Physical review letters vol. 90,1 (2003): 013002. doi: https://doi.org/10.1103/PhysRevLett.90.013002
Petrunin VV, Jacobsen MH, Madsen LB, Aseyev SA, Andersen T. Photodetachment of He- in the vicinity of the two-electron escape threshold. Phys Rev Lett. 2003 Jan 10;90(1):013002. doi: 10.1103/PhysRevLett.90.013002. Epub 2003 Jan 09. PMID: 12570606.
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Phys Rev Lett. 2003 Jan 10;90(1):013002. doi: 10.1103/PhysRevLett.90.013002. Epub 2003 Jan 09.

Photodetachment of He- in the vicinity of the two-electron escape threshold.

Physical review letters

V V Petrunin, M H Jacobsen, L B Madsen, S A Aseyev, T Andersen

Affiliations

  1. Department of Physics and Astronomy, University of Aarhus, 8000 Arhus C, Denmark.

PMID: 12570606 DOI: 10.1103/PhysRevLett.90.013002

Abstract

Recording the yield of He(1snl(3)L) Rydberg states for n=11-14, we measure the photodetachment cross sections of metastable He-(1s2s2p(4)P(o)) ions in the vicinity of the two-electron escape threshold. We observe a large number of double Rydberg He- quartet state resonances and report energies and widths of intrashell states in the n=13-15 manifolds. Sharp thresholds are measured at He((3)P(o)) and He((3)D(e)) Rydberg states with preference for population of the former, whereas the He((3)S(e)) states are not populated, in agreement with qualitative theoretical arguments.

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