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ß-Decay half-lives of 76,77Co, 79,80Ni, and 81Cu: experimental indication of a doubly magic 78Ni.
Xu, Z Y; Nishimura, S; Lorusso, G; Browne, F; Doornenbal, P; Gey, G; Jung, H-S; Li, Z; Niikura, M; Söderström, P-A; Sumikama, T; Taprogge, J; Vajta, Zs; Watanabe, H; Wu, J; Yagi, A; Yoshinaga, K; Baba, H; Franchoo, S; Isobe, T; John, P R; Kojouharov, I; Kubono, S; Kurz, N; Matea, I; Matsui, K; Mengoni, D; Morfouace, P; Napoli, D R; Naqvi, F; Nishibata, H; Odahara, A; Sahin, E; Sakurai, H; Schaffner, H; Stefan, I G; Suzuki, D; Taniuchi, R; Werner, V.
Afiliação
  • Xu ZY; Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan and RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Nishimura S; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Lorusso G; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Browne F; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan and School of Computing, Engineering and Mathematics, University of Brighton, Brighton BN2 4GJ, United Kingdom.
  • Doornenbal P; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Gey G; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan and LPSC, Université Grenoble-Alpes, CNRS/IN2P3, F-38026 Grenoble Cedex, France and ILL, 38042 Grenoble Cedex, France.
  • Jung HS; Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA.
  • Li Z; Department of Physics, Peking University, Beijing 100871, China.
  • Niikura M; Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan.
  • Söderström PA; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Sumikama T; Department of Physics, Tohoku University, 6-3 Aramaki-Aoba, Aoba, Sendai, Miyagi 980-8578, Japan.
  • Taprogge J; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan and Departamento de Física Teórica, Universidad Autónoma de Madrid, E-28049 Madrid, Spain and Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain.
  • Vajta Z; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan and Institute for Nuclear Research, Hungarian Academy of Sciences, P.O. Box 51, Debrecen H-4001, Hungary.
  • Watanabe H; IRCNPC, School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China.
  • Wu J; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan and Department of Physics, Peking University, Beijing 100871, China.
  • Yagi A; Department of Physics, Osaka University, Machikaneyama 1-1, Toyonaka, Osaka 560-0043, Japan.
  • Yoshinaga K; Department of Physics, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan.
  • Baba H; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Franchoo S; Institut de Physique Nucléaire d'Orsay, IN2P3-CNRS, F-91406 Orsay, France.
  • Isobe T; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • John PR; Dipartimento di Fisica e Astronomia, Universitá di Padova and INFN Sezione di Padova, I-35131 Padova, Italy.
  • Kojouharov I; GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany.
  • Kubono S; RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Kurz N; GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany.
  • Matea I; Institut de Physique Nucléaire d'Orsay, IN2P3-CNRS, F-91406 Orsay, France.
  • Matsui K; Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan.
  • Mengoni D; Dipartimento di Fisica e Astronomia, Universitá di Padova and INFN Sezione di Padova, I-35131 Padova, Italy.
  • Morfouace P; Institut de Physique Nucléaire d'Orsay, IN2P3-CNRS, F-91406 Orsay, France.
  • Napoli DR; Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, I-35020 Legnaro, Italy.
  • Naqvi F; Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06511, USA.
  • Nishibata H; Department of Physics, Osaka University, Machikaneyama 1-1, Toyonaka, Osaka 560-0043, Japan.
  • Odahara A; Department of Physics, Osaka University, Machikaneyama 1-1, Toyonaka, Osaka 560-0043, Japan.
  • Sahin E; Department of Physics, University of Oslo, Oslo NO-0316, Norway.
  • Sakurai H; Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan and RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  • Schaffner H; GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany.
  • Stefan IG; Institut de Physique Nucléaire d'Orsay, IN2P3-CNRS, F-91406 Orsay, France.
  • Suzuki D; Institut de Physique Nucléaire d'Orsay, IN2P3-CNRS, F-91406 Orsay, France.
  • Taniuchi R; Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan.
  • Werner V; Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06511, USA.
Phys Rev Lett ; 113(3): 032505, 2014 Jul 18.
Article em En | MEDLINE | ID: mdl-25083639
ABSTRACT
The half-lives of 20 neutron-rich nuclei with Z=27-30 have been measured at the RIBF, including five new half-lives of (76)Co(21.7(-4.9)(+6.5) ms), (77)Co(13.0(-4.3)(+7.2) ms), (79)Ni(43.0(-7.5)(+8.6) ms), (80)Ni(23.9(-17.2)(+26.0) ms), and (81)Cu(73.2 ± 6.8 ms). In addition, the half-lives of (73-75)Co, (74-78)Ni, (78-80)Cu, and (80-82)Zn were determined with higher precision than previous works. Based on these new results, a systematic study of the ß-decay half-lives has been carried out, which suggests a sizable magicity for both the proton number Z = 28 and the neutron number N=50 in (78)Ni.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2014 Tipo de documento: Article
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2014 Tipo de documento: Article