Proton decay of an intruder state in Bi

C.N. Davids, P.J. Woods, H.T. Penttilä, J.C. Batchelder, C.R. Bingham, D.J. Blumenthal, L.T. Brown, B.C. Busse, L.F. Conticchio, T. Davinson, D.J. Henderson, R.J. Irvine, D. Seweryniak, K.S. Toth, W.B. Walters, B.E. Zimmerman

Research output: Contribution to journalArticlepeer-review

Abstract

The new proton radioactivity Bi has been observed, produced via the Mo(Mo,/Jw)Bi reaction. Its decay proceeds from the low-lying 1/2 intruder state in Bi to the Pb ground state with the emission of a proton of energy 1.585 ± 0.009 MeV and a half-life of 44 ± 16 μs. This marks the first observation of proton radioactivity above the Z = 82 closed shell, and it has been used to obtain the admixture of a 0 intruder state in Pb into the Pb ground-state wave function.
Original languageEnglish
Pages (from-to)592-595
Number of pages4
JournalPhysical Review Letters
Volume76
Issue number4
Publication statusPublished - 22 Jan 1996

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