X-ray spectroscopy in the EC nucleus

The probabilities P KK of double K-shell vacancy production per K electron capture decay and per K internal conversion of 109Cd and 207Bi have been determined by means of the double- and triple-coincidence experiments using Kα X-ray and K internal conversion. For 109Cd we find P KK (EC) = (4.2 ± 0.5...

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Bibliographic Details
Published in:Nuclear physics. A 1998-10, Vol.641 (1), p.49-63
Main Authors: Ko, Seung Kook, Cho, Hyun Jae, Nha, Sang Kyun
Format: Article
Language:English
Subjects:
deduced double K-shell vacancy production probability
measured (X-ray)(X-ray)γ-coin
Radioactivity 109Cd, 207Bi(EC)
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Summary:The probabilities P KK of double K-shell vacancy production per K electron capture decay and per K internal conversion of 109Cd and 207Bi have been determined by means of the double- and triple-coincidence experiments using Kα X-ray and K internal conversion. For 109Cd we find P KK (EC) = (4.2 ± 0.5) × 10 −5 and P KK (IC) = (4.32 ± 0.46) × 10 −5, and for 207Bi, P KK (EC) = (2.54 ± 0.50) × 10 −5. The observed X-ray energy shifts of the hypersatellite Ag ( Kα 1 H ) X-ray and the hypersatellite Pb ( Kα 1 H ) X-ray lines are 545±15 eV and 1238±45 eV, respectively.
ISSN:0375-9474
DOI:10.1016/S0375-9474(98)00453-9