A retarded intramultipletM1 transition in214Bi |
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| Authors: | I Penev W Andrejtscheff Ch Protochristow Zh Zhelev |
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| Institution: | 1. Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria
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| Abstract: | The half-life of the 53.2 keV level in214Bi has been measured asT 1/2=0.52±0.15 ns, furtherT 1/2(295.2 keV and 351.9 keV levels)≦0.10 ns was estimated. TheB(M1,2?→1?) transition rates within theπh 9/2 vg 9/2 multiplet in210,212,214Bi are found to decrease rapidly with increasing neutron number, reaching in214Bi a value as low as those typical for intraband M1 transitions in deformed odd-odd nuclei. |
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