First simultaneous measurement of fission and gamma probabilities of $^{237}$U and $^{239}$Np via surrogate reactions
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
dc.contributor.author | MARINI, P. | |
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
hal.structure.identifier | CEA Cadarache | |
dc.contributor.author | DUCASSE, Q. | |
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
dc.contributor.author | JURADO, B. | |
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
dc.contributor.author | AICHE, M. | |
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
dc.contributor.author | MATHIEU, L. | |
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
dc.contributor.author | BARREAU, G. | |
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
dc.contributor.author | CZAJKOWSKI, S. | |
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
dc.contributor.author | TSEKHANOVICH, I. | |
dc.contributor.author | MORO, A. | |
dc.contributor.author | LEI, J. | |
dc.contributor.author | GIACOPPO, F. | |
dc.contributor.author | GORGEN, A. | |
hal.structure.identifier | Institut de Physique Nucléaire d'Orsay [IPNO] | |
dc.contributor.author | AUDOUIN, L. | |
hal.structure.identifier | Institut de Physique Nucléaire d'Orsay [IPNO] | |
dc.contributor.author | TASSAN-GOT, L. | |
hal.structure.identifier | Institut de Physique Nucléaire d'Orsay [IPNO] | |
dc.contributor.author | WILSON, J.N. | |
hal.structure.identifier | Institut de Recherches sur les lois Fondamentales de l'Univers [IRFU] | |
dc.contributor.author | GUNSING, F. | |
dc.contributor.author | GUTTORMSEN, M. | |
dc.contributor.author | LARSEN, A.C. | |
hal.structure.identifier | Institut de Physique Nucléaire d'Orsay [IPNO] | |
dc.contributor.author | LEBOIS, M. | |
dc.contributor.author | RENSTROM, T. | |
dc.contributor.author | ROSE, S. | |
dc.contributor.author | SIEM, S. | |
dc.contributor.author | TVETEN, G.M. | |
dc.contributor.author | WIEDEKING, M. | |
hal.structure.identifier | CEA Cadarache | |
dc.contributor.author | SEROT, O. | |
hal.structure.identifier | Direction des Applications Militaires [DAM] | |
dc.contributor.author | BOUTOUX, G. | |
hal.structure.identifier | Direction des Applications Militaires [DAM] | |
dc.contributor.author | MÉOT, V. | |
hal.structure.identifier | Direction des Applications Militaires [DAM] | |
dc.contributor.author | MORILLON, B. | |
hal.structure.identifier | Direction des Applications Militaires [DAM] | |
dc.contributor.author | DENIS-PETIT, D. | |
hal.structure.identifier | Direction des Applications Militaires [DAM] | |
dc.contributor.author | ROIG, O. | |
dc.contributor.author | OBERSTEDT, S. | |
dc.contributor.author | OBERSTEDT, A. | |
dc.date.issued | 2016 | |
dc.date.conference | 2015-10-19 | |
dc.description.abstractEn | Fission and gamma decay probabilities of ^237U and ^239Np have been measured, for the first time simultaneously in dedicated experiments, via the surrogate reactions ^238U(^3He, ^4He) and ^238U(^3He,d), respectively. While a good agreement between our data and neutron-induced data is found for fission probabilities, gamma decay probabilities are several times higher than the corresponding neutron-induced data for each studied nucleus. We study the role of the different spin distributions populated in the surrogate and neutron-induced reactions. The compound nucleus spin distribution populated in the surrogate reaction is extracted from the measured gamma-decay probabilities, and used as input parameter in the statistical model to predict fission probabilities to be compared to our data. A strong disagreement between our data and the prediction is obtained. Preliminary results from an additional dedicated experiment confirm the observed discrepancies, indicating the need of a better understanding of the formation and decay processes of the compound nucleus. | |
dc.language.iso | en | |
dc.source.title | EPJ Web Conf. | |
dc.title.en | First simultaneous measurement of fission and gamma probabilities of $^{237}$U and $^{239}$Np via surrogate reactions | |
dc.type | Communication dans un congrès | |
dc.identifier.doi | 10.1051/epjconf/201612212004 | |
dc.subject.hal | Physique [physics]/Physique Nucléaire Expérimentale [nucl-ex] | |
bordeaux.page | 12004 | |
bordeaux.volume | 122 | |
bordeaux.country | JP | |
bordeaux.title.proceeding | EPJ Web Conf. | |
bordeaux.conference.city | Tokyo | |
bordeaux.peerReviewed | non | |
hal.identifier | hal-01554279 | |
hal.version | 1 | |
hal.invited | non | |
hal.proceedings | oui | |
hal.conference.end | 2015-10-23 | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-01554279v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=EPJ%20Web%20Conf.&rft.date=2016&rft.volume=122&rft.spage=12004&rft.epage=12004&rft.au=MARINI,%20P.&DUCASSE,%20Q.&JURADO,%20B.&AICHE,%20M.&MATHIEU,%20L.&rft.genre=unknown |
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