Majorons and supernova cooling

Details Majorons and supernova cooling Majorons and supernova cooling

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvd..42..293c&link_type=abstract

Physical Review D (Particles and Fields), Volume 42, Issue 2, 15 July 1990, pp.293-306

Physics

49

Scientific paper

We consider the role of Majoron emission in supernova cooling and its implications for the neutrino mass and lifetime in generic singlet Majoron models. It is found that, for ντ with mass m, if the lifetime for the decay ντ-->Majoron+νe,μ is shorter than 10-7 (m/MeV) sec, then Majorons are so strongly trapped by the inverse process that the resulting Majoron luminosity is small enough not to destabilize the observed νe pulse from SN 1987A. For ντ with a longer lifetime, the Majoron luminosity can be large enough to destroy or significantly shorten the duration of the neutrino pulse. We then find the range of parameters, e.g., the ντ mass m and the (B-L)-breaking scale v, that is excluded by giving such a large Majoron luminosity. Our results imply that, for v between 1 GeV and 1 TeV, a wide range of m allowed by terrestrial experiments can be excluded in view of the observed νe pulse from SN 1987A.

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