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Nuclear structure towards N = 40 60Ca: in-beam γ-ray spectroscopy of 58,60Ti.
Gade, A; Janssens, R V F; Weisshaar, D; Brown, B A; Lunderberg, E; Albers, M; Bader, V M; Baugher, T; Bazin, D; Berryman, J S; Campbell, C M; Carpenter, M P; Chiara, C J; Crawford, H L; Cromaz, M; Garg, U; Hoffman, C R; Kondev, F G; Langer, C; Lauritsen, T; Lee, I Y; Lenzi, S M; Matta, J T; Nowacki, F; Recchia, F; Sieja, K; Stroberg, S R; Tostevin, J A; Williams, S J; Wimmer, K; Zhu, S.
Affiliation
  • Gade A; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Janssens RV; Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Weisshaar D; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Brown BA; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Lunderberg E; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Albers M; Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Bader VM; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Baugher T; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Bazin D; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Berryman JS; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Campbell CM; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Carpenter MP; Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Chiara CJ; Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA and Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, USA.
  • Crawford HL; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Cromaz M; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Garg U; Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA.
  • Hoffman CR; Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Kondev FG; Nuclear Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Langer C; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, Michigan 48824, USA.
  • Lauritsen T; Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Lee IY; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Lenzi SM; Dipartimento di Fisica e Astronomia dell'Università and INFN, Sezione di Padova, I-35131 Padova, Italy.
  • Matta JT; Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA.
  • Nowacki F; IPHC, IN2P3-CNRS et Université de Strasbourg, F-67037 Strasbourg, France.
  • Recchia F; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Sieja K; IPHC, IN2P3-CNRS et Université de Strasbourg, F-67037 Strasbourg, France.
  • Stroberg SR; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Tostevin JA; Department of Physics, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, United Kingdom.
  • Williams SJ; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Wimmer K; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Department of Physics, Central Michigan University, Mt. Pleasant, Michigan 48859, USA.
  • Zhu S; Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
Phys Rev Lett ; 112(11): 112503, 2014 Mar 21.
Article in En | MEDLINE | ID: mdl-24702356
ABSTRACT
Excited states in the neutron-rich N = 38, 36 nuclei (60)Ti and (58)Ti were populated in nucleon-removal reactions from (61)V projectiles at 90 MeV/nucleon. The γ-ray transitions from such states in these Ti isotopes were detected with the advanced γ-ray tracking array GRETINA and were corrected event by event for large Doppler shifts (v/c ∼ 0.4) using the γ-ray interaction points deduced from online signal decomposition. The new data indicate that a steep decrease in quadrupole collectivity occurs when moving from neutron-rich N = 36, 38 Fe and Cr toward the Ti and Ca isotones. In fact, (58,60)Ti provide some of the most neutron-rich benchmarks accessible today for calculations attempting to determine the structure of the potentially doubly magic nucleus (60)Ca.
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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2014 Type: Article Affiliation country: United States
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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2014 Type: Article Affiliation country: United States