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PiMuNu writes:

Dark matter, neutrinos and tachyons in the same abstract? Oh yes:

According to conventional wisdom the 5-hour early Mont Blanc burst probably was not associated with SN 1987A, but if it was genuine, some exotic physics explanation had to be responsible. Here we consider one truly exotic explanation, namely faster-than-light neutrinos having sourcemν2=−0.38keV2. It is shown that the Mont Blanc burst is consistent with the distinctive signature of that explanation i.e., an 8 MeV antineutrino line from SN 1987A. It is further shown that a model of core collapse supernovae involving dark matter particles of mass 8 MeV would in fact yield an 8 MeV antineutrino line

Journal paper: https://www.sciencedirect.com/science/article/pii/S0927650517303341
arxiv: https://arxiv.org/abs/1701.00488v8

Original Submission