BOUTOUX, G.; JURADO, B.; MÉOT, V.; ROIG, O.; MATHIEU, L.; AÏCHE, M.; BARREAU, G.; CAPELLAN, N.; COMPANIS, I.; CZAJKOWSKI, S.; SCHMIDT, K.-H.; BURKED, J.T.; BAIL, A.; DAUGAS, J.M.; FAUL, T.; MOREL, Pierre; PILLET, N.; THÉROINE, C.; DERKX, X.; SEROT, Olivier; MATÉA, I.; TASSAN-GOT, L.

doi:10.1016/j.physletb.2012.05.012

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BOUTOUX, G.
Aval du cycle et Energie Nucléaire [ACEN]

JURADO, B.
Aval du cycle et Energie Nucléaire [ACEN]

MÉOT, V.
DAM Île-de-France [DAM/DIF]

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Physics Letters B. 2012, vol. 712, p. 319-325

Elsevier

Résumé en anglais

174Yb(3He,αγ )173Yb* and 174Yb(3He,pγ )176Lu*, respectively. For the first time, the gamma-decay probabilities have been obtained with two independent experimental methods based on the use of C6D6 scintillators and Germanium detectors. Our results for the radiative-capture cross sections are several times higher than the corresponding neutron-induced data. To explain these differences, we have used our gamma-decay probabilities to extract rather direct information on the spin distributions populated in the transfer reactions used. They are about two times wider and the mean values are 3 to 4 ¯h higher than the ones populated in the neutron-induced reactions. As a consequence, in the transfer reactions neutron emission to the ground and first excited states of the residual nucleus is strongly suppressed and gamma-decay is considerably enhanced.< Réduire

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Surrogate-reaction method

Angular-momentum distribution

Neutron-induced capture cross section

Gamma-decay probability

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Study of the surrogate-reaction method applied to neutron-induced capture cross sections

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