Physics Letters B (Oct 2019)
Single-particle shell strengths near the doubly magic nucleus 56Ni and the 56Ni(p,γ)57Cu reaction rate in explosive astrophysical burning
- D. Kahl,
- P.J. Woods,
- T. Poxon-Pearson,
- F.M. Nunes,
- B.A. Brown,
- H. Schatz,
- T. Baumann,
- D. Bazin,
- J.A. Belarge,
- P.C. Bender,
- B. Elman,
- A. Estrade,
- A. Gade,
- A. Kankainen,
- C. Lederer-Woods,
- S. Lipschutz,
- B. Longfellow,
- S.-J. Lonsdale,
- E. Lunderberg,
- F. Montes,
- W.J. Ong,
- G. Perdikakis,
- J. Pereira,
- C. Sullivan,
- R. Taverner,
- D. Weisshaar,
- R. Zegers
Affiliations
- D. Kahl
- School of Physics & Astronomy, University of Edinburgh, Edinburgh EH9 3FD, United Kingdom; Corresponding author.
- P.J. Woods
- School of Physics & Astronomy, University of Edinburgh, Edinburgh EH9 3FD, United Kingdom
- T. Poxon-Pearson
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- F.M. Nunes
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- B.A. Brown
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- H. Schatz
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- T. Baumann
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA
- D. Bazin
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA
- J.A. Belarge
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA
- P.C. Bender
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA
- B. Elman
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA
- A. Estrade
- Central Michigan University, Mount Pleasant, MI 48859, USA
- A. Gade
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- A. Kankainen
- University of Jyväskylä, P.O. Box 35, FI-40014 University of Jyväskylä, Finland
- C. Lederer-Woods
- School of Physics & Astronomy, University of Edinburgh, Edinburgh EH9 3FD, United Kingdom
- S. Lipschutz
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- B. Longfellow
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA
- S.-J. Lonsdale
- School of Physics & Astronomy, University of Edinburgh, Edinburgh EH9 3FD, United Kingdom
- E. Lunderberg
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA
- F. Montes
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- W.J. Ong
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- G. Perdikakis
- Central Michigan University, Mount Pleasant, MI 48859, USA
- J. Pereira
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- C. Sullivan
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- R. Taverner
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- D. Weisshaar
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA
- R. Zegers
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA; Department of Physics & Astronomy, Michigan State University, East Lansing, MI 48824, USA; JINA Center for the Evolution of the Elements, Michigan State University, East Lansing, MI 48824, USA
- Journal volume & issue
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Vol. 797
Abstract
Angle-integrated cross-section measurements of the 56Ni(d,n) and (d,p) stripping reactions have been performed to determine the single-particle strengths of low-lying excited states in the mirror nuclei pair 57Cu−57Ni situated adjacent to the doubly magic nucleus 56Ni. The reactions were studied in inverse kinematics utilizing a beam of radioactive 56Ni ions in conjunction with the GRETINA γ-array. Spectroscopic factors are compared with new shell-model calculations using a full pf model space with the GPFX1A Hamiltonian for the isospin-conserving strong interaction plus Coulomb and charge-dependent Hamiltonians. These results were used to set new constraints on the 56Ni(p,γ)57Cu reaction rate for explosive burning conditions in x-ray bursts, where 56Ni represents a key waiting point in the astrophysical rp-process. Keywords: X-ray bursts, Shell model, Transfer reactions, Radioactive beams
