GIOVINAZZO, J.; GOIGOUX, T.; BLANK, B.; ASCHER, P.; GERBAUX, M.; GRÉVY, S.; KURTUKIAN-NIETO, T.; MAGRON, C.; DOORNENBAL, P.; FUKUDA, N.; INABE, N.; KISS, G.G.; KUBO, T.; KUBONO, S.; NISHIMURA, S.; SAKURAI, H.; SHIMIZU, Y.; SIDONG, C.; SÖDERSTRÖM, P.A.; SUMIKAMA, T.; SUZUKI, H.; TAKEDA, H.; VI, P.; WU, J.; AHN, D.S.; AGRAMUNT, J.; ALGORA, A.; GUADILLA, V.; MONTANER-PIZA, A.; MORALES, A.I.; ORRIGO, S.E.A.; RUBIO, B.; FUJITA, Y.; TANAKA, M.; GELLETLY, W.; AGUILERA, P.; MOLINA, F.; DIEL, F.; LUBOS, D.; DE ANGELIS, G.; NAPOLI, D.; BORCEA, C.; BOSO, A.; CAKIRLI, R.B.; GANIOGLU, E.; CHIBA, J.; NISHIMURA, D.; OIKAWA, H.; TAKEI, Y.; YAGI, S.; WIMMER, K.; DE FRANCE, G.; GO, S.; BROWN, B.A.

doi:10.5506/APhysPolB.51.577

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GIOVINAZZO, J.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

GOIGOUX, T.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

BLANK, B.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

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Acta Phys.Polon.B, Acta Phys.Polon.B, 2019-09-01, Piaski. 2020, vol. 51, p. 577

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We report on the observation of 67Kr that has been produced in an experiment performed at the RIKEN/BigRIPS facility. The two-proton decay of 67Kr has been evidenced and this nucleus is thus the fourth observed long lived ground-state two-proton emitter, after 45Fe, 48Ni and 54Zn. In addition, the decay of several isotopes in the mass region has been investigated. While for previous cases of two-proton radioactivity, the theoretical models could reproduce the measured data, this is not the case anymore for 67Kr. Two interpretations have been proposed to explain this discrepancy: a transition between real two-proton and sequential decay or the influence of deformation. These hypotheses will be tested in future experiments by measuring the angular and energy correlations of the emitted protons.< Réduire

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Two-proton Radioactivity: the Interesting Case of $^{67}$Kr and Further Studies

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