Sizeable beta-strength in Ar-31 (beta 3p) decay
- Koldste, G. T.
- Blank, B.
- Borge, M. J. G.
- Briz, J. A.
- Carmona-Gallardo, M.
- Fraile, L. M.
- Fynbo, H. O. U.
- Giovinazzo, J.
- Johansen, J. G.
- Jokinen, A.
- Jonson, Bj\uf6rn
- Kurturkian-Nieto, T.
- Nilsson, Thomas
- Perea, A.
- Pesudo, V.
- Picado, E.
- Riisager, K.
- Saastamoinen, A.
- Tengblad, O.
- Thomas, J. C.
- Van de Walle, J.
DOIAbstract
We present for the first time precise spectroscopic information on the recently discovered decay mode beta-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 Ar-31 revealing that as much as 30% of the strength resides in the beta 3p-decaymode. A simplified description of how the main decay modes evolve as the excitation energy increases in Cl-31 is provided
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