Proton and α radioactivity of Bi

G.L. Poli, C.N. Davids, P.J. Woods, D. Seweryniak, M.P. Carpenter, J.A. Cizewski, T. Davinson, A. Heinz, R.V.F. Janssens, C.J. Lister, J.J. Ressler, A.A. Sonzogni, J. Uusitalo, W.B. Walters

Research output: Contribution to journalArticlepeer-review

Abstract

Proton and α emission from Bi have been confirmed and measured with improved statistics. The Bi nuclei were produced via the Mo(Mo,pn) reaction at a bombarding energy of 420 MeV. The proton decay energy from the 1/2 intruder state in Bi to the Pb ground state was measured to be 1.598(16) MeV with a proton branching ratio b, = 0.85(6). An α decay branch from the same state was measured, b = 0.15(6), with an energy of 8.08(3) MeV. The state has a half-life of 50(8) μs. In addition, the α branching ratio of the ground state of Pb was determined for the first time to be b = 0.23(14).
Original languageEnglish
Pages (from-to)443041-443043
Number of pages3
JournalPhysical Review C
Volume63
Issue number4
DOIs
Publication statusPublished - 1 Apr 2001

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