Neutrino as the dark force

  title={Neutrino as the dark force},
  author={Nicholas Orlofsky and Yue Zhang},
  journal={Physical Review D},
We point out a novel role for the Standard Model neutrino in dark matter phenomenology where the exchange of neutrinos generates a long-range potential between dark matter particles. The resulting dark matter self interaction could be sufficiently strong to impact small-scale structure formation, without the need of any dark force carrier. This is a generic feature of theories where dark matter couples to the visible sector through the neutrino portal. It is highly testable with improved decay… Expand

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