Probing axions with the neutrino signal from the next Galactic supernova

Tobias Fischer, Sovan Chakraborty, Maurizio Giannotti, Alessandro Mirizzi, Alexandre Payez, and Andreas Ringwald
Phys. Rev. D 94, 085012 – Published 19 October 2016

Abstract

We study the impact of axion emission in simulations of massive star explosions, as an additional source of energy loss complementary to the standard neutrino emission. The inclusion of this channel shortens the cooling time of the nascent protoneutron star and hence the duration of the neutrino signal. We treat the axion-matter coupling strength as a free parameter to study its impact on the protoneutron star evolution as well as on the neutrino signal. We furthermore analyze the observability of the enhanced cooling in current and next-generation underground neutrino detectors, showing that values of the axion mass ma8×103eV can be probed. Therefore a galactic supernova neutrino observation would provide a valuable possibility to probe axion masses in a range within reach of the planned helioscope experiment, the International Axion Observatory.

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  • Received 4 June 2016

DOI:https://doi.org/10.1103/PhysRevD.94.085012

© 2016 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
  1. Physical Systems
Gravitation, Cosmology & Astrophysics

Authors & Affiliations

Tobias Fischer1, Sovan Chakraborty2,3, Maurizio Giannotti4, Alessandro Mirizzi5,6, Alexandre Payez7, and Andreas Ringwald7

  • 1Institute for Theoretical Physics, University of Wrocław, Pl. M. Borna 9, 50-204 Wrocław, Poland
  • 2Department of Physics, Indian Institute of Technology Guwahati, Assam 781039, India
  • 3Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), Föhringer Ring 6, 80805 München, Germany
  • 4Physical Sciences, Barry University, 11300 NE 2nd Avenue, Miami Shores, Florida 33161, USA
  • 5Dipartimento Interateneo di Fisica “Michelangelo Merlin,” Via Amendola 173, 70126 Bari, Italy
  • 6Istituto Nazionale di Fisica Nucleare—Sezione di Bari, Via Amendola 173, 70126 Bari, Italy
  • 7Theory group, Deutsches Elektronen-Synchrotron DESY Notkestraße 85, D-22607 Hamburg, Germany

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Issue

Vol. 94, Iss. 8 — 15 October 2016

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