GOIGOUX, T.; ASCHER, P.; BLANK, Bertram; GERBAUX, M.; GIOVINAZZO, J.; GRÉVY, S.; KURTUKIAN NIETO, T.; MAGRON, C.; DOORNENBAL, P.; KISS, G.G.; NISHIMURA, S.; SÖDERSTRÖM, P.A.; PHONG, V. H.; WU, J.; AHN, D. S.; FUKUDA, N.; INABE, N.; KUBO, T.; KUBONO, S.; SAKURAI, H.; SHIMIZU, Y.; SUMIKAMA, T.; SUZUKI, H.; TAKEDA, H.; 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.; ANGELIS, G. De; 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:10.1103/PhysRevLett.117.162501

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

ASCHER, P.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

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

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Physical Review Letters. 2016-10-14, vol. 117, p. 162501

American Physical Society

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In an experiment with the BigRIPS separator at the RIKEN Nishina Center, we observed two-proton(2p) emission from 67Kr. At the same time, no evidence for 2p emission of 59Ge and 63Se, two otherpotential candidates for this exotic radioactivity, could be observed. This observation is in line with Q valuepredictions which pointed to 67Kr as being the best new candidate among the three for two-protonradioactivity. 67Kr is only the fourth 2p ground-state emitter to be observed with a half-life of the order of afew milliseconds. The decay energy was determined to be 1690(17) keV, the 2p emission branching ratio is37(14)%, and the half-life of 67Kr is 7.4(30) ms.< Leer menos

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Two-Proton Radioactivity of $^{67}$Kr

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