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Extending the Southern Shore of the Island of Inversion to
Revel, A; Sorlin, O; Marqués, F M; Kondo, Y; Kahlbow, J; Nakamura, T; Orr, N A; Nowacki, F; Tostevin, J A; Yuan, C X; Achouri, N L; Al Falou, H; Atar, L; Aumann, T; Baba, H; Boretzky, K; Caesar, C; Calvet, D; Chae, H; Chiga, N; Corsi, A; Crawford, H L; Delaunay, F; Delbart, A; Deshayes, Q; Dombrádi, Z; Douma, C A; Elekes, Z; Fallon, P; Gasparic, I; Gheller, J-M; Gibelin, J; Gillibert, A; Harakeh, M N; He, W; Hirayama, A; Hoffman, C R; Holl, M; Horvat, A; Horváth, Á; Hwang, J W; Isobe, T; Kalantar-Nayestanaki, N; Kawase, S; Kim, S; Kisamori, K; Kobayashi, T; Körper, D; Koyama, S; Kuti, I.
Afiliação
  • Revel A; Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France.
  • Sorlin O; Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DRF-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France.
  • Marqués FM; LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France.
  • Kondo Y; Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan.
  • Kahlbow J; Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany.
  • Nakamura T; RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan.
  • Orr NA; Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan.
  • Nowacki F; LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France.
  • Tostevin JA; Université de Strasbourg, IPHC, 23 rue de Loess 67037 Strasbourg, France.
  • Yuan CX; CNRS, UMR7178, 67037 Strasbourg, France.
  • Achouri NL; Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom.
  • Al Falou H; Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China.
  • Atar L; LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France.
  • Aumann T; Lebanese University, Beirut, Lebanon.
  • Baba H; Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany.
  • Boretzky K; Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany.
  • Caesar C; GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany.
  • Calvet D; RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan.
  • Chae H; GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany.
  • Chiga N; Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany.
  • Corsi A; GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany.
  • Crawford HL; Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France.
  • Delaunay F; IBS, 55, Expo-ro, Yuseong-gu, Daejeon 34126, Korea.
  • Delbart A; RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan.
  • Deshayes Q; Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France.
  • Dombrádi Z; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Douma CA; LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France.
  • Elekes Z; Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France.
  • Fallon P; LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France.
  • Gasparic I; Institute of Nuclear Research, Atomki, 4001 Debrecen, Hungary.
  • Gheller JM; KVI-CART, University of Groningen, Zernikelaan 25, 9747 AA Groningen, The Netherlands.
  • Gibelin J; Institute of Nuclear Research, Atomki, 4001 Debrecen, Hungary.
  • Gillibert A; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Harakeh MN; RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan.
  • He W; Ruder Boskovic Institute, HR-10002 Zagreb, Croatia.
  • Hirayama A; Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France.
  • Hoffman CR; LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France.
  • Holl M; Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France.
  • Horvat A; GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany.
  • Horváth Á; KVI-CART, University of Groningen, Zernikelaan 25, 9747 AA Groningen, The Netherlands.
  • Hwang JW; RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan.
  • Isobe T; Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo 152-8551, Japan.
  • Kalantar-Nayestanaki N; Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Kawase S; GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany.
  • Kim S; GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany.
  • Kisamori K; Eötvös Loránd University, Pázmány Péter Sétány 1/A, H-1117 Budapest, Hungary.
  • Kobayashi T; Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.
  • Körper D; RIKEN Nishina Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan.
  • Koyama S; KVI-CART, University of Groningen, Zernikelaan 25, 9747 AA Groningen, The Netherlands.
  • Kuti I; Department of Advanced Energy Engineering Science, Kyushu University, Kasuga, Fukuoka 816-8580, Japan.
Phys Rev Lett ; 124(15): 152502, 2020 Apr 17.
Article em En | MEDLINE | ID: mdl-32357034
Detailed spectroscopy of the neutron-unbound nucleus ^{28}F has been performed for the first time following proton/neutron removal from ^{29}Ne/^{29}F beams at energies around 230 MeV/nucleon. The invariant-mass spectra were reconstructed for both the ^{27}F^{(*)}+n and ^{26}F^{(*)}+2n coincidences and revealed a series of well-defined resonances. A near-threshold state was observed in both reactions and is identified as the ^{28}F ground state, with S_{n}(^{28}F)=-199(6) keV, while analysis of the 2n decay channel allowed a considerably improved S_{n}(^{27}F)=1620(60) keV to be deduced. Comparison with shell-model predictions and eikonal-model reaction calculations have allowed spin-parity assignments to be proposed for some of the lower-lying levels of ^{28}F. Importantly, in the case of the ground state, the reconstructed ^{27}F+n momentum distribution following neutron removal from ^{29}F indicates that it arises mainly from the 1p_{3/2} neutron intruder configuration. This demonstrates that the island of inversion around N=20 includes ^{28}F, and most probably ^{29}F, and suggests that ^{28}O is not doubly magic.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: Phys Rev Lett Ano de publicação: 2020 Tipo de documento: Article País de afiliação: França País de publicação: Estados Unidos
Texto completo
Adicionar na Minha BVS
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XML
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: Phys Rev Lett Ano de publicação: 2020 Tipo de documento: Article País de afiliação: França País de publicação: Estados Unidos