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Sizeable beta-strength in $^{31}$Ar (β3p) decay

Abstract : We present for the first time precise spectroscopic information on the recently discovered decay mode β-delayed 3p-emission. The detection of the 3p events gives an increased sensitivity to the high energy part of the Gamow-Teller strength distribution from the decay of 31Ar revealing that as much as 30% of the strength resides in the β3p-decay mode. A simplified description of how the main decay modes evolve as the excitation energy increases in 31Cl is provided.
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Contributor : Michel Lion Connect in order to contact the contributor
Submitted on : Thursday, September 18, 2014 - 10:43:06 AM
Last modification on : Wednesday, January 19, 2022 - 3:02:06 PM

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G.T. Koldste, Bertram Blank, M.J.G. Borge, J.A. Briz, M. Carmona-Gallardo, et al.. Sizeable beta-strength in $^{31}$Ar (β3p) decay. Physics Letters B, Elsevier, 2014, 737, pp.383-387. ⟨10.1016/j.physletb.2014.09.015⟩. ⟨in2p3-01065474⟩



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