Study of the N=50 major shell effect close to $^{78}$Ni : First evidence of a weak coupling structure in $^{83}\_{32}$Ge$\_{51}$ and three-proton configuration states in $^{81}\_{31}$Ga$\_{50}$

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dc.creatorVerney, D.
dc.creatorIbrahim, F.
dc.creatorPerru, O.
dc.creatorBajeat, O.
dc.creatorBourgeois, C.
dc.creatorDucourtieux, M.
dc.creatorDonzaud, C.
dc.creatorEssabaa, S.
dc.creatorGales, S.
dc.creatorGaudefroy, L.
dc.creatorGuillemaud-Mueller, D.
dc.creatorHammache, F.
dc.creatorLau, C.
dc.creatorLefort, H.
dc.creatorBlanc, F. Le
dc.creatorMueller, A. C.
dc.creatorPougheon, F.
dc.creatorRoussiere, B.
dc.creatorSauvage, J.
dc.creatorSorlin, O.
dc.date2006-10-06
dc.date.accessioned2026-07-07T10:26:18Z
dc.date.available2026-07-07T10:26:18Z
dc.descriptionNew levels were attributed to $^{81}\_{31}$Ga$\_{50}$ and $^{83}\_{32}$Ge$\_{51}$ which were fed by the $β$-decay of their respective mother nuclei $^{81}\_{30}$Zn$\_{51}$ and $^{83}\_{31}$Ga$\_{52}$ produced by fission at the "PARRNe" ISOL set-up installed at the Tandem accelerator of the Institut de Physique Nucléaire, Orsay. We show that the low energy structure of $^{81}\_{31}$Ga$\_{50}$ and $^{83}\_{32}$Ge$\_{51}$ can easily be explained within the natural hypothesis of a strong energy gap at N=50 and a doubly-magic character for $^{78}$Ni.
dc.description2 pages, pdf file, To be published in the Proceedings of "International Symposium on Structure of Exotic Nuclei and Nuclear Forces (SENUF 06)", March 2006, Tokyo, Japan
dc.identifierhttps://arxiv.org/abs/nucl-ex/0610012
dc.identifierhttp://arxiv.org/abs/nucl-ex/0610012
dc.identifierJ.Phys.Conf.Ser.49:170-171,2006
dc.identifierdoi:10.1088/1742-6596/49/1/038
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176832
dc.subjectNuclear Experiment
dc.titleStudy of the N=50 major shell effect close to $^{78}$Ni : First evidence of a weak coupling structure in $^{83}\_{32}$Ge$\_{51}$ and three-proton configuration states in $^{81}\_{31}$Ga$\_{50}$
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