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$^{69}$Kr β-delayed proton emission: A Trojan horse for studying states in proton-unbound $^{69}$Br

dc.contributor.authorM. ROGERS, A.
hal.structure.identifierNoyaux exotiques [NEX]
dc.contributor.authorGIOVINAZZO, J.
dc.contributor.authorJ. LISTER, C.
hal.structure.identifierNoyaux exotiques [NEX]
dc.contributor.authorBLANK, Bertram
hal.structure.identifierNoyaux exotiques [NEX]
dc.contributor.authorCANCHEL, G.
dc.contributor.authorCLARK, John
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorDE FRANCE, G.
hal.structure.identifierNoyaux exotiques [NEX]
dc.contributor.authorGRÉVY, S.
dc.contributor.authorGROS, S.
dc.contributor.authorMCCUTCHAN, E.A.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorDE OLIVEIRA SANTOS, Francois
dc.contributor.authorSAVARD, G.
dc.contributor.authorSEWERYNIAK, D.
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.date.issued2011
dc.identifier.issn2469-9985
dc.description.abstractEnParticle decay of 69Br and 65As was observed through β-delayed proton emission of 69Kr and 65Se, respectively. Decay spectroscopy was performed through β-p correlations using a position-sensitive silicon-implantation detector surrounded by a γ -ray detector array. A β-decay half-life of 27(3) ms was measured for 69Kr and 33(4) ms for 65Se. The 69Kr ground state decays by a superallowed transition to its unbound isobaric analog state in 69Br which immediately decays by a 2.97(5)-MeV proton group to the first excited state in 68Se at 854.2 keV. This chain of decays constrains both the mass and spin of the 69Kr ground state. We observed no evidence of ground-state proton decay from 69Br.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.title.en$^{69}$Kr β-delayed proton emission: A Trojan horse for studying states in proton-unbound $^{69}$Br
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevC.84.051306
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalPhysical Review C
bordeaux.page051306(R)
bordeaux.volume84
bordeaux.peerReviewedoui
hal.identifierin2p3-00642114
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00642114v1
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