Phys. Rev. A 69, 050501(R) (2004) [4 pages]Feshbach resonances in inner-shell photodetachment: The case of Te−
Bound 4d inner-shell excited states have been observed as 4d105s25p5→4d95s25p6 2D5∕2,3∕2 Feshbach resonances in the photodetachment spectrum of Te− utilizing the merged-beam technique at the storage ring ASTRID. The strong binding of these core-excited levels, 2.95 and 1.47 eV respectively, is attributed to the extra stability of the full 5p shell. The role of the present data as a prototype spectrum for negative ions having an outer shell with a single vacancy in the initial state is discussed. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.69.050501
DOI:
10.1103/PhysRevA.69.050501
PACS:
32.10.Hq, 32.80.Gc, 32.80.Hd
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