4.7 Article

Inelastic Boosted Dark Matter at direct detection experiments

Journal

PHYSICS LETTERS B
Volume 780, Issue -, Pages 543-552

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2018.03.043

Keywords

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Funding

  1. National Science Foundation [PHY-1607611]
  2. INFN
  3. Korean Research Foundation (KRF) through the CERN-Korea Fellowship program
  4. National Research Foundation of Korea [NRF-2016R1C1B2015225, NRF-2017R1D1A1B03032076]
  5. POSCO Science Fellowship of POSCO TJ Park Foundation
  6. National Research Foundation of Korea [2017R1D1A1B03032076, 2012K1A3A2A01051781, 2016R1C1B2015225] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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We explore a novel class of multi-particle dark sectors, called Inelastic Boosted Dark Matter (iBDM). These models are constructed by combining properties of particles that scatter off matter by making transitions to heavier states (Inelastic Dark Matter) with properties of particles that are produced with a large Lorentz boost in annihilation processes in the galactic halo (Boosted Dark Matter). This combination leads to new signals that can be observed at ordinary direct detection experiments, but require unconventional searches for energetic recoil electrons in coincidence with displaced multi-track events. Related experimental strategies can also be used to probe MeV-range boosted dark matter via their interactions with electrons inside the target material. (C) 2018 The Author(s). Published by Elsevier B.V.

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