X-ray spectroscopy in the EC nucleus |
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| Institution: | 1. Physics Department, University of Pretoria, P Bag X20, Pretoria, 0002, South Africa;2. iThemba LABS TAMS, National Research Foundation, P Bag 11, WITS, 2050, Johannesburg, South Africa;3. Physics Department, Tshwane University of Technology, P Bag X680, Pretoria, 0001, South Africa |
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| Abstract: | The probabilities PKK 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 PKK(EC) = (4.2 ± 0.5) × 10−5 and PKK(IC) = (4.32 ± 0.46) × 10−5, and for 207Bi, PKK(EC) = (2.54 ± 0.50) × 10−5. The observed X-ray energy shifts of the hypersatellite Ag (Kα1H) X-ray and the hypersatellite Pb (Kα1H) X-ray lines are 545±15 eV and 1238±45 eV, respectively. |
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