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Dark Matter "Collider" from Inelastic Boosted Dark Matter.

  • Kim D Theory Department, CERN, CH-1211 Geneva 23, Switzerland.
  • Park JC Department of Physics, Chungnam National University, Daejeon 34134, Republic of Korea.
  • Shin S Department of Physics and IPAP, Yonsei University, Seoul 03722, Republic of Korea.
  • 2017-11-04
Published in:
  • Physical review letters. - 2017
English We propose a novel dark matter (DM) detection strategy for models with a nonminimal dark sector. The main ingredients in the underlying DM scenario are a boosted DM particle and a heavier dark sector state. The relativistic DM impinged on target material scatters off inelastically to the heavier state, which subsequently decays into DM along with lighter states including visible (standard model) particles. The expected signal event, therefore, accompanies a visible signature by the secondary cascade process associated with a recoiling of the target particle, differing from the typical neutrino signal not involving the secondary signature. We then discuss various kinematic features followed by DM detection prospects at large-volume neutrino detectors with a model framework where a dark gauge boson is the mediator between the standard model particles and DM.
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  • English
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hybrid
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https://sonar.ch/global/documents/97328
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