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Two-Proton Radioactivity of
Goigoux, T; Ascher, P; Blank, B; 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; 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.
Afiliação
  • Goigoux T; Centre d'Études Nucléaires de Bordeaux Gradignan, Université de Bordeaux-UMR 5797 CNRS/IN2P3, Chemin du Solarium, 33175 Gradignan, France.
  • Ascher P; Centre d'Études Nucléaires de Bordeaux Gradignan, Université de Bordeaux-UMR 5797 CNRS/IN2P3, Chemin du Solarium, 33175 Gradignan, France.
  • Blank B; Centre d'Études Nucléaires de Bordeaux Gradignan, Université de Bordeaux-UMR 5797 CNRS/IN2P3, Chemin du Solarium, 33175 Gradignan, France.
  • Gerbaux M; Centre d'Études Nucléaires de Bordeaux Gradignan, Université de Bordeaux-UMR 5797 CNRS/IN2P3, Chemin du Solarium, 33175 Gradignan, France.
  • Giovinazzo J; Centre d'Études Nucléaires de Bordeaux Gradignan, Université de Bordeaux-UMR 5797 CNRS/IN2P3, Chemin du Solarium, 33175 Gradignan, France.
  • Grévy S; Centre d'Études Nucléaires de Bordeaux Gradignan, Université de Bordeaux-UMR 5797 CNRS/IN2P3, Chemin du Solarium, 33175 Gradignan, France.
  • Kurtukian Nieto T; Centre d'Études Nucléaires de Bordeaux Gradignan, Université de Bordeaux-UMR 5797 CNRS/IN2P3, Chemin du Solarium, 33175 Gradignan, France.
  • Magron C; Centre d'Études Nucléaires de Bordeaux Gradignan, Université de Bordeaux-UMR 5797 CNRS/IN2P3, Chemin du Solarium, 33175 Gradignan, France.
  • Doornenbal P; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Kiss GG; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Nishimura S; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Söderström PA; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Phong VH; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Wu J; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Ahn DS; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Fukuda N; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Inabe N; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Kubo T; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Kubono S; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Sakurai H; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Shimizu Y; Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
  • Sumikama T; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Suzuki H; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Takeda H; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Agramunt J; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Algora A; Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain.
  • Guadilla V; Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain.
  • Montaner-Piza A; Institute of Nuclear Research of the Hungarian Academy of Sciences, P.O. Box 51, H-4001 Debrecen, Hungary.
  • Morales AI; Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain.
  • Orrigo SE; Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain.
  • Rubio B; Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain.
  • Fujita Y; Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain.
  • Tanaka M; Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain.
  • Gelletly W; Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan.
  • Aguilera P; Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.
  • Molina F; Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan.
  • Diel F; Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain.
  • Lubos D; Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom.
  • de Angelis G; Comisión Chilena de Energía Nuclear, Casilla 188-D, Amunátegui 95, Santiago Centro, Santiago, Chile.
  • Napoli D; Comisión Chilena de Energía Nuclear, Casilla 188-D, Amunátegui 95, Santiago Centro, Santiago, Chile.
  • Borcea C; Institute of Nuclear Physics, University of Cologne, D-50937 Cologne, Germany.
  • Boso A; Physik Department E12, Technische Universität München, D-85748 Garching, Germany.
  • Cakirli RB; Laboratori Nazionali di Legnaro dell'INFN, I-35020 Legnaro (Padova), Italy.
  • Ganioglu E; Laboratori Nazionali di Legnaro dell'INFN, I-35020 Legnaro (Padova), Italy.
  • Chiba J; National Institute for Physics and Nuclear Engineering IFIN-HH, P.O. Box MG-6, Bucharest-Magurele, Romania.
  • Nishimura D; INFN Sezione di Padova and Dipartimento di Fisica, Università di Padova, I-35131 Padova, Italy.
  • Oikawa H; Department of Physics, Istanbul University, Istanbul 34134, Turkey.
  • Takei Y; Department of Physics, Istanbul University, Istanbul 34134, Turkey.
  • Yagi S; Department of Physics, Tokyo University of Science, Noda, Chiba 278-8510, Japan.
  • Wimmer K; Department of Physics, Tokyo University of Science, Noda, Chiba 278-8510, Japan.
Phys Rev Lett ; 117(16): 162501, 2016 Oct 14.
Article em En | MEDLINE | ID: mdl-27792367
ABSTRACT
In an experiment with the BigRIPS separator at the RIKEN Nishina Center, we observed two-proton (2p) emission from ^{67}Kr. At the same time, no evidence for 2p emission of ^{59}Ge and ^{63}Se, two other potential candidates for this exotic radioactivity, could be observed. This observation is in line with Q value predictions which pointed to ^{67}Kr as being the best new candidate among the three for two-proton radioactivity. ^{67}Kr is only the fourth 2p ground-state emitter to be observed with a half-life of the order of a few milliseconds. The decay energy was determined to be 1690(17) keV, the 2p emission branching ratio is 37(14)%, and the half-life of ^{67}Kr is 7.4(30) ms.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article