DUCASSE, Q.; JURADO, B.; AÏCHE, M.; MARINI, P.; MATHIEU, L.; GÖRGEN, A.; GUTTORMSEN, M.; LARSEN, A. C.; TORNYI, T.; WILSON, J. N.; BARREAU, G.; BOUTOUX, G.; CZAJKOWSKI, S.; GIACOPPO, F.; GUNSING, F.; HAGEN, T. W.; LEBOIS, M.; LEI, J.; MÉOT, V.; MORILLON, B.; MORO, A.; RENSTRØM, T.; ROIG, O.; ROSE, S. J.; SEROT, Olivier; SIEM, S.; TSEKHANOVICH, I.; TVETEN, G. M.; WIEDEKING, M.

doi:10.1103/PhysRevC.94.024614

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DUCASSE, Q.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
CEA Cadarache

JURADO, B.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

AÏCHE, M.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

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Physical Review C. 2016, vol. 94, p. 024614

American Physical Society

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We investigated the 238U(d,p) reaction as a surrogate for the n + 238U reaction. For this purpose we measured for the first time the gamma-decay and fission probabilities of 239U* simultaneously and compared them to the corresponding neutron-induced data. We present the details of the procedure to infer the decay probabilities, as well as a thorough uncertainty analysis, including parameter correlations. Calculations based on the continuum-discretized coupled-channels and distorted-wave Born approximations were used to correct our data from detected protons originating from elastic and inelastic deuteron breakup. The corrected fission probability is in agreement with neutron-induced data, whereas the gamma-decay probability is much higher than the neutron-induced data. The performed statistical-model calculations are not able to explain these results.< Leer menos

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Study of the 238U(d,p) surrogate reaction via the simultaneous measurement of gamma-decay and fission probabilities

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