AGN constraints on neutrino-dark matter scattering
Abstract
The IceCube collaboration has identified neutrinos of energy 10-100 TeV from the blazar TXS 0506+056 and the active galaxy NGC 1068, which must have traveled through a dense dark matter spike surrounding the supermassive black holes that power the galactic nuclei. We use this to set new constraints on dark matter-neutrino scattering, and interpret the results in terms of a dark photon that couples to baryon minus lepton number.
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