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Yrast 6⁺ seniority isomers of (136,138)Sn.
Simpson, G S; Gey, G; Jungclaus, A; Taprogge, J; Nishimura, S; Sieja, K; Doornenbal, P; Lorusso, G; Söderström, P-A; Sumikama, T; Xu, Z Y; Baba, H; Browne, F; Fukuda, N; Inabe, N; Isobe, T; Jung, H S; Kameda, D; Kim, G D; Kim, Y-K; Kojouharov, I; Kubo, T; Kurz, N; Kwon, Y K; Li, Z; Sakurai, H; Schaffner, H; Shimizu, Y; Suzuki, H; Takeda, H; Vajta, Z; Watanabe, H; Wu, J; Yagi, A; Yoshinaga, K; Bönig, S; Daugas, J-M; Drouet, F; Gernhäuser, R; Ilieva, S; Kröll, T; Montaner-Pizá, A; Moschner, K; Mücher, D; Naïdja, H; Nishibata, H; Nowacki, F; Odahara, A; Orlandi, R; Steiger, K.
Afiliação
  • Simpson GS; School of Engineering, University of the West of Scotland, Paisley PA1 2BE, United Kingdom and Scottish Universities Physics Alliance, University of Glasgow, Glasgow G12 8QQ, United Kingdom and LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-380
  • Gey G; LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France and Institut Laue-Langevin, B.P. 156, F-38042 Grenoble Cedex 9, France and RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Jungclaus A; Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain.
  • Taprogge J; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan and Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain and Departamento de Física Teórica, Universidad Autónoma de Madrid, E-28049 Madrid, Spain.
  • Nishimura S; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Sieja K; Université de Strasbourg, IPHC, 23 Rue du Loess 67037 Strasbourg, France CNRS, UMR7178, 67037 Strasbourg, France.
  • Doornenbal P; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Lorusso G; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Söderström PA; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Sumikama T; Department of Physics, Tohoku University, Aoba, Sendai, Miyagi 980-8578, Japan.
  • Xu ZY; Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan.
  • Baba H; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Browne F; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan and School of Computing, Engineering and Mathematics, University of Brighton, Brighton BN2 4JG, United Kingdom.
  • Fukuda N; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Inabe N; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Isobe T; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Jung HS; Department of Physics, Chung-Ang University, Seoul 156-756, Republic of Korea.
  • Kameda D; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Kim GD; Rare Isotope Science Project, Institute for Basic Science, Daejeon 305-811, Republic of Korea.
  • Kim YK; Rare Isotope Science Project, Institute for Basic Science, Daejeon 305-811, Republic of Korea and Department of Nuclear Engineering, Hanyang University, Seoul 133-791, Republic of Korea.
  • Kojouharov I; GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany.
  • Kubo T; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Kurz N; GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany.
  • Kwon YK; Rare Isotope Science Project, Institute for Basic Science, Daejeon 305-811, Republic of Korea.
  • Li Z; School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China.
  • Sakurai H; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan and Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan.
  • Schaffner H; GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany.
  • Shimizu Y; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Suzuki H; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Takeda H; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Vajta Z; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan and MTA Atomki, P.O. Box 51, Debrecen H-4001, Hungary.
  • Watanabe H; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan.
  • Wu J; RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan and School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China.
  • Yagi A; Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043, Toyonaka, Japan.
  • Yoshinaga K; Department of Physics, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba, Japan.
  • Bönig S; Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany.
  • Daugas JM; CEA, DAM, DIF, 91297 Arpajon Cedex, France.
  • Drouet F; LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France.
  • Gernhäuser R; Physik Department E12, Technische Universität München, D-85748 Garching, Germany.
  • Ilieva S; Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany.
  • Kröll T; Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany.
  • Montaner-Pizá A; Instituto de Fíisica Corpuscular, CSIC-University of Valencia, E-46980 Paterna, Spain.
  • Moschner K; IKP, University of Cologne, D-50937 Cologne, Germany.
  • Mücher D; Physik Department E12, Technische Universität München, D-85748 Garching, Germany.
  • Naïdja H; Université de Strasbourg, IPHC, 23 Rue du Loess 67037 Strasbourg, France CNRS, UMR7178, 67037 Strasbourg, France and GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany and Laboratoire de Physique Mathématique et Subatomique, Constantine 1 University, Constantine 25000, Alge
  • Nishibata H; Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043, Toyonaka, Japan.
  • Nowacki F; Université de Strasbourg, IPHC, 23 Rue du Loess 67037 Strasbourg, France CNRS, UMR7178, 67037 Strasbourg, France.
  • Odahara A; Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043, Toyonaka, Japan.
  • Orlandi R; Instituut voor Kern, en StralingsFysica, K.U. Leuven, B-3001 Heverlee, Belgium.
  • Steiger K; Physik Department E12, Technische Universität München, D-85748 Garching, Germany.
Phys Rev Lett ; 113(13): 132502, 2014 Sep 26.
Article em En | MEDLINE | ID: mdl-25302883
ABSTRACT
Delayed γ-ray cascades, originating from the decay of (6⁺) isomeric states, in the very neutron-rich, semimagic isotopes (136,138)Sn have been observed following the projectile fission of a ²³8U beam at RIBF, RIKEN. The wave functions of these isomeric states are proposed to be predominantly a fully aligned pair of f(7/2) neutrons. Shell-model calculations, performed using a realistic effective interaction, reproduce well the energies of the excited states of these nuclei and the measured transition rates, with the exception of the B(E2;6⁺→4⁺) rate of ¹³6Sn, which deviates from a simple seniority scheme. Empirically reducing the νf(7/2)(2) orbit matrix elements produces a 41⁺ state with almost equal seniority 2 and 4 components, correctly reproducing the experimental B(E2;6⁺→4⁺) rate of ¹³6Sn. These data provide a key benchmark for shell-model interactions far from stability.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2014 Tipo de documento: Article
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2014 Tipo de documento: Article