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Two-proton radioactivity studies with 45Fe and 48Ni

hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorDOSSAT, C.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorBEY, A.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorBLANK, Bertram
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorCANCHEL, G.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorFLEURY, Agnès
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGIOVINAZZO, J.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorMATEA, I.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorDE OLIVEIRA SANTOS, Francois
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorGEORGIEV, G.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorGRÉVY, S.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorSTEFAN, I.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorTHOMAS, J.C.
dc.contributor.authorADIMI, N.
dc.contributor.authorBORCEA, C.
dc.contributor.authorCORTINA GIL, D.
dc.contributor.authorCAAMANO, M.
hal.structure.identifierInstitut de Physique Nucléaire d'Orsay [IPNO]
dc.contributor.authorSTANOIU, M.
dc.contributor.authorAKSOUH, F.
dc.contributor.authorA. BROWN, B.
dc.contributor.authorV. GRIGORENKO, L.
dc.date.issued2005
dc.identifier.issn2469-9985
dc.description.abstractEnIn an experiment at the SISSI/LISE3 facility of GANIL, we have studied the decay of the two proton-rich nuclei 45Fe and 48Ni. We identified 30 implantations of 45Fe and observed for the second time four implantation events of 48Ni. In 17 cases, 45Fe decays by two-proton emission with a decay energy of 1.154(16) MeV and a half-life of T_1/2 = 1.6+0.5_-0.3 ms. The observation of 48Ni and of its decay allows us to deduce a half-life of T_1/2 = 2.1+2.1_-0.7 ms. One out of four decay events is completely compatible with two-proton radioactivity and may therefore indicate that 48Ni has a two-proton radioactivity branch. We discuss all information now available on two-proton radioactivity for 45Fe and 48Ni and compare it to theoretical models.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.subject.enproton emission decay
dc.subject.ennuclei with mass number 39 to 58
dc.subject.enradioactive decay periods
dc.title.enTwo-proton radioactivity studies with 45Fe and 48Ni
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevC.72.054315
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalPhysical Review C
bordeaux.page054315
bordeaux.volume72
bordeaux.peerReviewedoui
hal.identifierin2p3-00025122
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00025122v1
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