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Examining the possibility to observe neutron dark decay in nuclei

M. Pfützner and K. Riisager
Phys. Rev. C 97, 042501(R) – Published 23 April 2018

Abstract

As proposed recently by Fornal and Grinstein, neutrons can undergo a dark matter decay mode which has not yet been observed. Such a decay could explain the existing discrepancy between two different methods of neutron lifetime measurements. If such neutron decay is possible, then it should occur also in nuclei with sufficiently low neutron binding energy. We examine a few nuclear candidates for the dark neutron decay and we consider the possibilities of their experimental identification. In more detail we discuss the case of Be11 which appears as the most promising nucleus for the observation of neutron dark decay.

  • Figure
  • Received 3 March 2018
  • Revised 11 April 2018

DOI:https://doi.org/10.1103/PhysRevC.97.042501

©2018 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

M. Pfützner1,* and K. Riisager2

  • 1Faculty of Physics, University of Warsaw, 02-093 Warsaw, Poland
  • 2Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark

  • *pfutzner@fuw.edu.pl

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Issue

Vol. 97, Iss. 4 — April 2018

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