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Mass measurements towards doubly magic $^{78}$Ni: Hydrodynamics versus nuclear mass contribution in core-collapse supernovae

hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorGIRAUD, S.
dc.contributor.authorCANETE, L.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorBASTIN, B.
dc.contributor.authorKANKAINEN, A.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorFANTINA, A.F.
hal.structure.identifierLaboratoire de physique corpusculaire de Caen [LPCC]
dc.contributor.authorGULMINELLI, F.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorASCHER, P.
dc.contributor.authorERONEN, T.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorGIRARD-ALCINDOR, V.
dc.contributor.authorJOKINEN, A.
dc.contributor.authorKHANAM, A.
dc.contributor.authorMOORE, I.D.
dc.contributor.authorNESTERENKO, D.A.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorDE OLIVEIRA SANTOS, F.
dc.contributor.authorPENTTILÄ, H.
dc.contributor.authorPETRONE, C.
dc.contributor.authorPOHJALAINEN, I.
dc.contributor.authorDE ROUBIN, A.
dc.contributor.authorRUBCHENYA, V.A.
dc.contributor.authorVILEN, M.
dc.contributor.authorÄYSTÖ, J.
dc.date.accessioned2023-11-20T16:48:24Z
dc.date.available2023-11-20T16:48:24Z
dc.date.issued2022
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/185060
dc.description.abstractEnWe report the first high-precision mass measurements of the neutron-rich nuclei <sup loc="post">74,75</sup>Ni and the clearly identified ground state of <sup loc="post">76</sup>Cu, along with a more precise mass-excess value of <sup loc="post">78</sup>Cu, performed with the double Penning trap JYFLTRAP at the Ion Guide Isotope Separator On-Line (IGISOL) facility. These new results lead to a quantitative estimation of the quenching for the <math altimg="si1.svg"><mi>N</mi><mo linebreak="goodbreak" linebreakstyle="after">=</mo><mn>50</mn></math> neutron shell gap. The impact of this shell quenching on core-collapse supernova dynamics is specifically tested using a dedicated statistical equilibrium approach that allows a variation of the mass model independent of the other microphysical inputs. We conclude that the impact of nuclear masses is strong when implemented using a fixed trajectory as in the previous studies, but the effect is substantially reduced when implemented self-consistently in the simulation.
dc.language.isoen
dc.subject.enNuclear mass
dc.subject.enPenning trap
dc.subject.enShell gap
dc.subject.enCore-collapse supernova
dc.title.enMass measurements towards doubly magic $^{78}$Ni: Hydrodynamics versus nuclear mass contribution in core-collapse supernovae
dc.typeArticle de revue
dc.identifier.doi10.1016/j.physletb.2022.137309
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalPhys.Lett.B
bordeaux.page137309
bordeaux.volume833
bordeaux.hal.laboratoriesCentre d'Études Nucléaires de Bordeaux Gradignan (CENBG)*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-03752374
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03752374v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Phys.Lett.B&amp;rft.date=2022&amp;rft.volume=833&amp;rft.spage=137309&amp;rft.epage=137309&amp;rft.au=GIRAUD,%20S.&amp;CANETE,%20L.&amp;BASTIN,%20B.&amp;KANKAINEN,%20A.&amp;FANTINA,%20A.F.&amp;rft.genre=article


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