Hunting for the gamma-decay of 7Li into the continuum by the cold neutron capture reaction 6Li(n,gamma)7Li
We propose to perform an indirect measurement of the γ-decay of 7Li into the continuum, after cold neutron capture on 6Li. The focus will be, in particular, on gamma rays sampling the region as close as possible to the 4He+3H dissociation threshold at 2.468 MeV. The γ emission from the n-capture state into the continuum will be deduced from the missing energy, i.e., the difference between the energy of the capture state and the sum energy of 4He and 3H, measured with high energy resolution by a setup of double sided silicon strip detectors. This investigation will provide the first experimental information on γ-decay between states in the continuum, which is relevant for basic reactions of astrophysics importance and also for the understanding of the structural properties of the unbound 7Li system.
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LEONI Silvia; BOCCHI Giovanni; BOTTONI Simone; BRAMBILLA Sergio; CIEPLICKA ORYNCZAK Natalia; CRESPI Fabio; FORNAL Bogdan; FYNBO Hans; GIAZ Agnese; L. W. Iskra; JENTSCHEL Michael; KOESTER Ulli; MENTANA Alice; MICHELAGNOLI Caterina; MUTTI Paolo; RIISAGER Karsten; SFERRAZZA Michele; SIMPSON Gary; SOLDNER Torsten and TENGBLAD Olof. (2017). Hunting for the gamma-decay of 7Li into the continuum by the cold neutron capture reaction 6Li(n,gamma)7Li. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.3-07-372
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