Confirmation of the isomeric state in P26

D. Pérez-Loureiro, C. Wrede, M. B. Bennett, S. N. Liddick, A. Bowe, B. A. Brown, A. A. Chen, K. A. Chipps, N. Cooper, E. McNeice, F. Naqvi, R. Ortez, S. D. Pain, J. Pereira, C. Prokop, S. J. Quinn, J. Sakstrup, M. Santia, S. B. Schwartz, S. Shanab, A. Simon, A. Spyrou, and E. Thiagalingam
Phys. Rev. C 96, 014306 – Published 10 July 2017

Abstract

We report the independent experimental confirmation of an isomeric state in the proton drip-line nucleus P26. The γ-ray energy and half-life determined are 164.4±0.3(sys)±0.2(stat) keV and 104±14 ns, respectively, which are in agreement with the previously reported values. These values are used to set a semiempirical limit on the proton separation energy of P26, with the conclusion that it can be bound or unbound.

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  • Received 28 November 2016

DOI:https://doi.org/10.1103/PhysRevC.96.014306

©2017 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

D. Pérez-Loureiro1,*, C. Wrede1,2,†, M. B. Bennett1,2, S. N. Liddick1,3, A. Bowe1,2,4, B. A. Brown2,1, A. A. Chen5, K. A. Chipps6,7,8, N. Cooper9, E. McNeice5, F. Naqvi9, R. Ortez2,1,10, S. D. Pain7, J. Pereira1,11, C. Prokop3,1, S. J. Quinn2,1,11, J. Sakstrup2,1, M. Santia2,1, S. B. Schwartz2,1,12, S. Shanab2,1, A. Simon1,13, A. Spyrou2,1,11, and E. Thiagalingam5

  • 1National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
  • 2Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
  • 3Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
  • 4Physics Department, Kalamazoo College, Kalamazoo, Michigan 49006, USA
  • 5Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1
  • 6Department of Physics, Colorado School of Mines, Golden, Colorado 08401, USA
  • 7Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
  • 8Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
  • 9Department of Physics and Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520, USA
  • 10Department of Physics, University of Washington, Seattle, Washington 98195, USA
  • 11Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, Michigan 48824, USA
  • 12Geology and Physics Department, University of Southern Indiana, Evansville, Indiana 47712, USA
  • 13Department of Physics and Joint Institute for Nuclear Astrophysics, University of Notre Dame, Notre Dame, Indiana 46556, USA

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Vol. 96, Iss. 1 — July 2017

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