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First lifetime investigations of $N>82$ iodine isotopes: The quest for collectivity

hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorHÄFNER, G.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorLOZEVA, R.
dc.contributor.authorNAÏDJA, H.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorLEBOIS, M.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorJOVANČEVIĆ, N.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorTHISSE, D.
hal.structure.identifierLaboratoire de physique corpusculaire de Caen [LPCC]
dc.contributor.authorETASSE, D.
dc.contributor.authorCANAVAN, R.L.
dc.contributor.authorRUDIGIER, M.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorWILSON, J.N.
dc.contributor.authorADAMSKA, E.
dc.contributor.authorADSLEY, P.
dc.contributor.authorALGORA, A.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorBABO, M.
dc.contributor.authorBELVEDERE, K.
dc.contributor.authorBENITO, J.
dc.contributor.authorBENZONI, G.
dc.contributor.authorBLAZHEV, A.
dc.contributor.authorBOSO, A.
dc.contributor.authorBOTTONI, S.
dc.contributor.authorBUNCE, M.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorCHAKMA, R.
dc.contributor.authorCIEPLICKA-ORYŃCZAK, N.
dc.contributor.authorCOLLINS, S.M.
dc.contributor.authorCORTÉS, M.L.
dc.contributor.authorDAVIES, P.J.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorDELAFOSSE, C.
hal.structure.identifierLaboratoire de physique subatomique et des technologies associées [SUBATECH]
dc.contributor.authorFALLOT, Muriel
dc.contributor.authorFRAILE, L.M.
dc.contributor.authorGERST, R.-B.
dc.contributor.authorGJESTVANG, D.
hal.structure.identifierLaboratoire de physique subatomique et des technologies associées [SUBATECH]
dc.contributor.authorGUADILLA, V.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorHAUSCHILD, K.
dc.contributor.authorHENRICH, C.
dc.contributor.authorHOMM, I.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorIBRAHIM, F.
dc.contributor.authorISKRA, Ł.W.
dc.contributor.authorJAZWARI, S.
dc.contributor.authorKORGUL, A.
dc.contributor.authorKOSEOGLOU, P.
dc.contributor.authorKRÖLL, Th.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorKURTUKIAN-NIETO, T.
hal.structure.identifierLaboratoire de physique subatomique et des technologies associées [SUBATECH]
dc.contributor.authorLE-MEUR, L.
dc.contributor.authorLEONI, S.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorLJUNGVALL, J.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorLOPEZ-MARTENS, A.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorMATTHIEU, L.
dc.contributor.authorMIERNIK, K.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorNEMER, J.
dc.contributor.authorOBERSTEDT, S.
dc.contributor.authorPAULSEN, W.
dc.contributor.authorPIERSA-SIŁKOWSKA, M.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorPOPOVITCH, Y.
dc.contributor.authorPORZIO, C.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorQI, L.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorRALET, D.
dc.contributor.authorREGAN, P.H.
hal.structure.identifierInstitut Laue-Langevin [ILL]
dc.contributor.authorREYGADAS TELLO, D.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorREZYNKINA, K.
dc.contributor.authorSANCHEZ-TEMBLEQUE, V.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorSCHMITT, C.
dc.contributor.authorSÖDERSTRÖM, P.-A.
dc.contributor.authorSÜRDER, C.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorTOCABENS, G.
dc.contributor.authorVEDIA, V.
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorVERNEY, D.
dc.contributor.authorWARR, N.
dc.contributor.authorWASILEWSKA, B.
dc.contributor.authorWIEDERHOLD, J.
dc.contributor.authorYAVAHCHOVA, M.S.
dc.contributor.authorZEISER, F.
dc.contributor.authorZILIANI, S.
dc.date.issued2021
dc.description.abstractEnWe report on spectroscopic information and lifetime measurements in the neutron-rich <math><mmultiscripts><mi mathvariant="normal">I</mi><mprescripts/><none/><mrow><mn>135</mn><mo>,</mo><mn>137</mn><mo>,</mo><mn>139</mn></mrow></mmultiscripts></math> isotopes. This is the first lifetime data on iodine isotopes beyond <math><mrow><mi>N</mi><mo>=</mo><mn>82</mn></mrow></math>. Excited states were populated in fast neutron-induced fission of <math><mmultiscripts><mi mathvariant="normal">U</mi><mprescripts/><none/><mn>238</mn></mmultiscripts></math> at the ALTO facility of IJCLab with the LICORNE neutron source and detected using the hybrid <math><mi>ν</mi></math>-ball spectrometer. The level schemes of the <math><mmultiscripts><mi mathvariant="normal">I</mi><mprescripts/><none/><mrow><mn>135</mn><mo>,</mo><mn>137</mn><mo>,</mo><mn>139</mn></mrow></mmultiscripts></math> isotopes are revised in terms of excited states with up to maximum spin-parity of <math><mrow><mo>(</mo><mn>33</mn><mo>/</mo><msup><mn>2</mn><mo>+</mo></msup><mo>)</mo></mrow></math>, populated for the first time in fast neutron-induced fission. We provide first results on the lifetimes of the <math><mrow><mo>(</mo><mn>9</mn><mo>/</mo><msubsup><mn>2</mn><mn>1</mn><mo>+</mo></msubsup><mo>)</mo></mrow></math> and <math><mrow><mo>(</mo><mn>13</mn><mo>/</mo><msubsup><mn>2</mn><mn>1</mn><mo>+</mo></msubsup><mo>)</mo></mrow></math> states in <math><mmultiscripts><mi mathvariant="normal">I</mi><mprescripts/><none/><mn>137</mn></mmultiscripts></math> and <math><mmultiscripts><mi mathvariant="normal">I</mi><mprescripts/><none/><mn>139</mn></mmultiscripts></math>, and the <math><mrow><mo>(</mo><mn>17</mn><mo>/</mo><msubsup><mn>2</mn><mn>1</mn><mo>+</mo></msubsup><mo>)</mo></mrow></math> state in <math><mmultiscripts><mi mathvariant="normal">I</mi><mprescripts/><none/><mn>137</mn></mmultiscripts></math>. In addition, we give upper lifetime limits for the <math><mrow><mo>(</mo><mn>11</mn><mo>/</mo><msubsup><mn>2</mn><mn>1</mn><mo>+</mo></msubsup><mo>)</mo></mrow></math> states in <math><mmultiscripts><mi mathvariant="normal">I</mi><mprescripts/><none/><mrow><mn>135</mn><mo>−</mo><mn>139</mn></mrow></mmultiscripts></math>, the <math><mrow><mo>(</mo><mn>15</mn><mo>/</mo><msubsup><mn>2</mn><mn>1</mn><mo>+</mo></msubsup><mo>)</mo></mrow></math> state in <math><mmultiscripts><mi mathvariant="normal">I</mi><mprescripts/><none/><mn>137</mn></mmultiscripts></math>, the <math><mrow><mo>(</mo><mn>17</mn><mo>/</mo><msubsup><mn>2</mn><mn>1</mn><mo>+</mo></msubsup><mo>)</mo></mrow></math> state in <math><mmultiscripts><mi mathvariant="normal">I</mi><mprescripts/><none/><mn>139</mn></mmultiscripts></math>, and reexamine the <math><mrow><mo>(</mo><mn>29</mn><mo>/</mo><msubsup><mn>2</mn><mn>1</mn><mo>+</mo></msubsup><mo>)</mo></mrow></math> state in <math><mmultiscripts><mi mathvariant="normal">I</mi><mprescripts/><none/><mn>137</mn></mmultiscripts></math>. The isomeric data in <math><mmultiscripts><mi mathvariant="normal">I</mi><mprescripts/><none/><mn>135</mn></mmultiscripts></math> are reinvestigated, such as the previously known <math><mrow><mo>(</mo><mn>15</mn><mo>/</mo><msubsup><mn>2</mn><mn>1</mn><mo>+</mo></msubsup><mo>)</mo></mrow></math> and <math><mrow><mo>(</mo><mn>23</mn><mo>/</mo><msubsup><mn>2</mn><mn>1</mn><mo>−</mo></msubsup><mo>)</mo></mrow></math> isomers with <math><msub><mi>T</mi><mrow><mn>1</mn><mo>/</mo><mn>2</mn></mrow></msub></math> of 1.64(14) and 4.6(7) ns, respectively, as obtained in this work. The new spectroscopic information is compared to that from spontaneous or thermal-neutron induced fission and discussed in the context of large scale shell-model (LSSM) calculations for the region beyond <math><mmultiscripts><mi>Sn</mi><mprescripts/><none/><mn>132</mn></mmultiscripts></math>, indicating the behavior of collectivity for the three valence-proton iodine chain with <math><mrow><mi>N</mi><mo>=</mo><mn>82</mn><mo>,</mo><mn>84</mn><mo>,</mo><mn>86</mn></mrow></math>.
dc.language.isoen
dc.title.enFirst lifetime investigations of $N>82$ iodine isotopes: The quest for collectivity
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevC.104.014316
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalPhys.Rev.C
bordeaux.page014316
bordeaux.volume104
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-03312933
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03312933v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Phys.Rev.C&amp;rft.date=2021&amp;rft.volume=104&amp;rft.issue=1&amp;rft.spage=014316&amp;rft.epage=014316&amp;rft.au=H%C3%84FNER,%20G.&amp;LOZEVA,%20R.&amp;NA%C3%8FDJA,%20H.&amp;LEBOIS,%20M.&amp;JOVAN%C4%8CEVI%C4%86,%20N.&amp;rft.genre=article


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