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$^{178}\mathrm{Hg}$ and asymmetric fission of neutron-deficient pre-actinides

dc.contributor.authorJHINGAN, A.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorSCHMITT, C.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorLEMASSON, A.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorBISWAS, S.
dc.contributor.authorKIM, Y.H.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorRAMOS, D.
dc.contributor.authorANDREYEV, A.N.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorCURIEN, D.
dc.contributor.authorCIEMAŁA, M.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorCLÉMENT, E.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorDORVAUX, O.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorDE CANDITIIS, B.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorDIDIERJEAN, F.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorDUCHÊNE, G.
hal.structure.identifierInstitut de Physique des 2 Infinis de Lyon [IP2I Lyon]
dc.contributor.authorDUDOUET, J.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorFRANKLAND, J.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorFRÉMONT, G.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorGOUPIL, J.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorJACQUOT, B.
dc.contributor.authorRAISON, C.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorRALET, D.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorRETAILLEAU, B.-M.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorSTUTTGÉ, L.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorTSEKHANOVICH, I.
dc.contributor.authorANDREEV, A.V.
dc.contributor.authorGORIELY, S.
hal.structure.identifierDirection des Applications Militaires [DAM]
dc.contributor.authorHILAIRE, S.
hal.structure.identifierDirection des Applications Militaires [DAM]
dc.contributor.authorLEMAÎTRE, J.-F.
dc.contributor.authorMÖLLER, P.
dc.contributor.authorSCHMIDT, K.-H.
dc.date.accessioned2023-11-20T16:46:32Z
dc.date.available2023-11-20T16:46:32Z
dc.date.issued2022
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/185000
dc.description.abstractEnFission at low excitation energy is an ideal playground to probe the impact of nuclear structure on nuclear dynamics. While the importance of structural effects in the nascent fragments is well established in the (trans-)actinide region, the observation of asymmetric fission in several neutron-deficient pre-actinides can be explained by various mechanisms. To deepen our insight into that puzzle, an innovative approach based on inverse kinematics and an enhanced version of the VAMOS<math><mrow><mo>+</mo><mo>+</mo></mrow></math> heavy-ion spectrometer was implemented at the GANIL facility, Caen. Fission of <math><mmultiscripts><mi>Hg</mi><mprescripts/><none/><mn>178</mn></mmultiscripts></math> was induced by fusion of <math><mmultiscripts><mi>Xe</mi><mprescripts/><none/><mn>124</mn></mmultiscripts></math> and <math><mmultiscripts><mi>Fe</mi><mprescripts/><none/><mn>54</mn></mmultiscripts></math>. The two fragments were detected in coincidence using VAMOS<math><mrow><mo>+</mo><mo>+</mo></mrow></math> supplemented with a new SEcond Detection arm. For the first time in the pre-actinide region, access to the pre-neutron mass and total kinetic energy distributions, and the simultaneous isotopic identification of one the fission fragment, was achieved. The present work describes the experimental approach, and discusses the pre-neutron observables in the context of an extended asymmetric-fission island located southwest of <math><mmultiscripts><mi>Pb</mi><mprescripts/><none/><mn>208</mn></mmultiscripts></math>. A comparison with different models is performed, demonstrating the importance of this new asymmetric-fission island for elaborating on driving effects in fission.
dc.language.isoen
dc.title.en$^{178}\mathrm{Hg}$ and asymmetric fission of neutron-deficient pre-actinides
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevC.106.044607
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
dc.identifier.arxiv2211.01879
bordeaux.journalPhys.Rev.C
bordeaux.page044607
bordeaux.volume106
bordeaux.hal.laboratoriesCentre d'Études Nucléaires de Bordeaux Gradignan (CENBG)*
bordeaux.issue4
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-03830231
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03830231v1
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=2022&amp;rft.volume=106&amp;rft.issue=4&amp;rft.spage=044607&amp;rft.epage=044607&amp;rft.au=JHINGAN,%20A.&amp;SCHMITT,%20C.&amp;LEMASSON,%20A.&amp;BISWAS,%20S.&amp;KIM,%20Y.H.&amp;rft.genre=article


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