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Shape coexistence in light krypton isotopes

hal.structure.identifierDépartement d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée [DAPNIA]
dc.contributor.authorCLÉMENT, E.
hal.structure.identifierDépartement d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée [DAPNIA]
dc.contributor.authorGÖRGEN, A.
hal.structure.identifierDépartement d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée [DAPNIA]
dc.contributor.authorBOUCHEZ, E.
hal.structure.identifierDépartement d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée [DAPNIA]
dc.contributor.authorCHATILLON, A.
hal.structure.identifierDépartement d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée [DAPNIA]
dc.contributor.authorKORTEN, W.
hal.structure.identifierDépartement d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée [DAPNIA]
dc.contributor.authorLE COZ, Y.
hal.structure.identifierDépartement d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée [DAPNIA]
dc.contributor.authorTHEISEN, C.
dc.contributor.authorANDREOIU, C.
dc.contributor.authorBECKER, F.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorBLANK, Bertram
dc.contributor.authorBORCEA, C.
dc.contributor.authorBUTA, A.
dc.contributor.authorBUTLER, P.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorCASANDJIAN, J.M.
dc.contributor.authorCATFORD, W.N.
dc.contributor.authorCZOSNYKA, T.
hal.structure.identifierInstitut de Physique Nucléaire de Lyon [IPNL]
dc.contributor.authorEMSALLEM, A.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorDE FRANCE, G.
hal.structure.identifierLaboratoire de Physique Subatomique et de Cosmologie [LPSC]
dc.contributor.authorGENEVEY, J.
dc.contributor.authorGERL, J.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorHANNACHI, F.
hal.structure.identifierCentre de Spectrométrie Nucléaire et de Spectrométrie de Masse [CSNSM]
dc.contributor.authorHAUSCHILD, K.
dc.contributor.authorHERZBERG, R.-D.
dc.contributor.authorHÜRSTEL, A.
dc.contributor.authorIWANICKI, J.
dc.contributor.authorJENKINS, D.
dc.contributor.authorJONES, G.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorLEWITOWICZ, M.
dc.contributor.authorLUCAS, R.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorMATEA, I.
dc.contributor.authorNEGOITA, F.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorDE OLIVEIRA SANTOS, Francois
dc.contributor.authorPANTELICA, D.
hal.structure.identifierLaboratoire de Physique Subatomique et de Cosmologie [LPSC]
dc.contributor.authorPINSTON, J.A.
dc.contributor.authorRAHKILA, P.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorREJMUND, M.
dc.contributor.authorSLETTEN, G.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorSTANOIU, M.
dc.contributor.authorTIMIS, C.
dc.contributor.authorWADSWORTH, R.
dc.contributor.authorWILSON, J.N.
dc.contributor.authorZIELINSKA, M.
dc.contributor.editorD. Seweryniak, Teng Lek Khoo
dc.date.created2005
dc.date.issued2005
dc.date.conference2004-07-26
dc.description.abstractEnShape coexistence in the light krypton isotopes was studied in a series of experiments at GANIL using various experimental techniques. A new low-lying $0^+$ state, a so-called shape isomer, was found in delayed conversion-electron spectroscopy after fragmentation reactions. The systematics of such low-lying $0+^$ states suggests that the ground states of the isotopes $^{78}$Kr and $^{76}$Kr have prolate deformation, while states with prolate and oblate shape are practically degenerate and strongly mixed in $^{74}$Kr, and that the oblate configuration becomes the ground state in $^{72}$Kr. This scenario was tested in experiments performing low-energy Coulomb excitation of radioactive $^{76}$Kr and $^{74}$Kr beams from the SPIRAL facility. Both transitional and diagonal electromagnetic matrix elements were extracted from the observed $\gamma$-ray yields. The results find the prolate shape for the ground-state bands in $^{76}$Kr and $^{74}$Kr and an oblate deformation for the excited $2^{+}_{2}$ state in $^{74}$Kr, confirming the proposed scenario of shape coexistence
dc.language.isoen
dc.publisherAmerican Institute of Physics
dc.source.titleAIP Conference Proceedings Nuclei at the Limits
dc.subject.ennuclear shape
dc.subject.enkrypton
dc.subject.ennuclei with mass number 59 to 89
dc.subject.enisotopes
dc.subject.ennuclear isomerism
dc.subject.endeformed nuclei
dc.subject.ennuclear fragmentation
dc.subject.enelectron spectroscopy
dc.title.enShape coexistence in light krypton isotopes
dc.typeCommunication dans un congrès
dc.identifier.doi10.1063/1.1905291
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalNuclei at the Limits
bordeaux.page55-61
bordeaux.volume764
bordeaux.issue764
bordeaux.countryUS
bordeaux.title.proceedingAIP Conference Proceedings Nuclei at the Limits
bordeaux.conference.cityArgonne, Illinois
bordeaux.peerReviewedoui
hal.identifierin2p3-00024208
hal.version1
hal.invitednon
hal.proceedingsoui
hal.conference.end2004-07-30
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00024208v1
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