(EC + β+) decay of 133Sm and 1.1 s isomer of 133Pr |
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| Authors: | S-W Xu Y-X Xie X-D Wang Z-K Li B Guo C-G Leng C-F Wang Y Yu |
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| Institution: | (1) Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, PRC, CN |
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| Abstract: | The very neutron-deficient isotope 133Sm was produced by irradiation of an enriched target of 96Ru with 40Ca and studied by using a helium-jet fast tape transport system in combination with X-γ and γ-γ coincidence measurements.
A simple ( EC + β+) decay scheme of 133Sm was proposed for the first time. As a by-product 133Pr was produced simultaneously because of the 98-102Ru content of the ruthenium target. The half-life of a 11/2- low-lying isomeric state in 133Pr was measured to be 1.1±0.2 s.
Received: 22 March 2001 / Accepted: 18 July 2001 |
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| Keywords: | PACS 23 40 -s Beta decay double beta decay electron and muon capture – 21 10 Tg Lifetimes – 27 60 +j 90 ?A? 149 |
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