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Crossing N=28 Toward the Neutron Drip Line: First Measurement of Half-Lives at FRIB.
Crawford, H L; Tripathi, V; Allmond, J M; Crider, B P; Grzywacz, R; Liddick, S N; Andalib, A; Argo, E; Benetti, C; Bhattacharya, S; Campbell, C M; Carpenter, M P; Chan, J; Chester, A; Christie, J; Clark, B R; Cox, I; Doetsch, A A; Dopfer, J; Duarte, J G; Fallon, P; Frotscher, A; Gaballah, T; Gray, T J; Harke, J T; Heideman, J; Heugen, H; Jain, R; King, T T; Kitamura, N; Kolos, K; Kondev, F G; Laminack, A; Longfellow, B; Lubna, R S; Luitel, S; Madurga, M; Mahajan, R; Mogannam, M J; Morse, C; Neupane, S; Nowicki, A; Ogunbeku, T H; Ong, W-J; Porzio, C; Prokop, C J; Rasco, B C; Ronning, E K; Rubino, E; Ruland, T J.
Afiliación
  • Crawford HL; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Tripathi V; Department of Physics, Florida State University, Tallahassee, Florida 32306, USA.
  • Allmond JM; Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
  • Crider BP; Department of Physics and Astronomy, Mississippi State University, Mississippi State, Mississippi 39762, USA.
  • Grzywacz R; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37966, USA.
  • Liddick SN; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Andalib A; Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA.
  • Argo E; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Benetti C; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Bhattacharya S; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Campbell CM; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Carpenter MP; Department of Physics, Florida State University, Tallahassee, Florida 32306, USA.
  • Chan J; Department of Physics, Florida State University, Tallahassee, Florida 32306, USA.
  • Chester A; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Christie J; Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Clark BR; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37966, USA.
  • Cox I; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Doetsch AA; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37966, USA.
  • Dopfer J; Department of Physics and Astronomy, Mississippi State University, Mississippi State, Mississippi 39762, USA.
  • Duarte JG; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37966, USA.
  • Fallon P; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Frotscher A; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Gaballah T; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Gray TJ; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Harke JT; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Heideman J; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Heugen H; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Jain R; Department of Physics and Astronomy, Mississippi State University, Mississippi State, Mississippi 39762, USA.
  • King TT; Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
  • Kitamura N; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Kolos K; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37966, USA.
  • Kondev FG; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37966, USA.
  • Laminack A; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Longfellow B; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Lubna RS; Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
  • Luitel S; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37966, USA.
  • Madurga M; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Mahajan R; Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Mogannam MJ; Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
  • Morse C; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Neupane S; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Nowicki A; Department of Physics and Astronomy, Mississippi State University, Mississippi State, Mississippi 39762, USA.
  • Ogunbeku TH; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37966, USA.
  • Ong WJ; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Porzio C; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Prokop CJ; Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA.
  • Rasco BC; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Ronning EK; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37966, USA.
  • Rubino E; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37966, USA.
  • Ruland TJ; Department of Physics and Astronomy, Mississippi State University, Mississippi State, Mississippi 39762, USA.
Phys Rev Lett ; 129(21): 212501, 2022 Nov 18.
Article en En | MEDLINE | ID: mdl-36461950
ABSTRACT
New half-lives for exotic isotopes approaching the neutron drip-line in the vicinity of N∼28 for Z=12-15 were measured at the Facility for Rare Isotope Beams (FRIB) with the FRIB decay station initiator. The first experimental results are compared to the latest quasiparticle random phase approximation and shell-model calculations. Overall, the measured half-lives are consistent with the available theoretical descriptions and suggest a well-developed region of deformation below ^{48}Ca in the N=28 isotones. The erosion of the Z=14 subshell closure in Si is experimentally confirmed at N=28, and a reduction in the ^{38}Mg half-life is observed as compared with its isotopic neighbors, which does not seem to be predicted well based on the decay energy and deformation trends. This highlights the need for both additional data in this very exotic region, and for more advanced theoretical efforts.
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2022 Tipo del documento: Article País de afiliación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2022 Tipo del documento: Article País de afiliación: Estados Unidos