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Beta-Delayed Proton Emission Branches in 43Cr

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arxiv 1012.4733 v1 pith:NIVHZMIA submitted 2010-12-21 nucl-ex nucl-th

Beta-Delayed Proton Emission Branches in 43Cr

M. Pomorski , K. Miernik , W. Dominik , Z. Janas , M. Pf\"utzner , C.R. Bingham , H. Czyrkowski , M. Cwiok
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I.G. Darby R. D\k{a}browski T. Ginter R. Grzywacz M. Karny A. Korgul W. Ku\'smierz S.N. Liddick M. Rajabali K. Rykaczewski A. Stolz
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The beta+ decay of very neutron deficient 43Cr has been studied by means of an imaging time projection chamber which allowed recording tracks of charged particles. Events of beta-delayed emission of one-, two-, and three protons were clearly identified. The absolute branching ratios for these channels were determined to be 81(4)%, 7.1(4)%, and 0.08(3)%, respectively. The 43Cr is thus established as the second case in which the beta-3p decay occurs. Although the feeding to the proton-bound states in 43V is expected to be negligible, the large branching ratio of 12(4)% for decays without proton emission is found.

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