Emission and detectability of hadronic axions from SN 1987A

Details Emission and detectability of hadronic axions from SN 1987A Emission and detectability of hadronic axions from SN 1987A

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvl..65..960e&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 65, Aug. 20, 1990, p. 960-963.

Physics

43

Elementary Particle Interactions, Hadrons, Supernova 1987A, Cerenkov Counters, Monte Carlo Method

Scientific paper

It is shown that axions emitted by SN 1987A, with coupling strengths to nucleons in the range 9 x 10 to the -7th - 10 to the -3rd, would have produced an unacceptably large signal at the Kamiokande proton-decay experiment. Axions with coupling strengths of 10 to the -10th - 1.4 x 10 to the -6th would have altered the neutrino flux from that observed, so using results from SN 1987A alone, one may nominally rule out the entire range 10 to the -10th - 10 to the -3rd. Uncertainties in the estimates do not make it possible to categorically exclude a small window around a coupling strength of 10 to the -6th, which could have interesting consequences for supernova theory and cosmology.

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