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Lepton-portal dark matter in hidden valley model and the DAMPE recent results

  • Yi-Lei Tang
  • Lei Wu
  • Mengchao ZhangEmail author
  • Rui Zheng
Article
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Abstract

We study the recent e± cosmic ray excess reported by DAMPE in a Hidden Valley Model with lepton-portal dark matter. We find the electron-portal can account for the excess well and satisfy the DM relic density and direct detection bounds, while electron+muon/electron+muon+tau-portal suffers from strong constraints from lepton flavor violating observables, such as μ→3e. We also discuss possible collider signatures of our model, both at the LHC and a future 100 TeV hadron collider.

Keywords

dark matter DAMPE LHC 
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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Yi-Lei Tang
    • 2
  • Lei Wu
    • 1
  • Mengchao Zhang
    • 3
    Email author
  • Rui Zheng
    • 4
  1. 1.Department of Physics and Institute of Theoretical PhysicsNanjing Normal UniversityNanjingChina
  2. 2.School of PhysicsKorea Institute for Advanced Study (KIAS)SeoulKorea
  3. 3.Center for Theoretical Physics of the UniverseInstitute for Basic Science (IBS)DaejeonKorea
  4. 4.Department of PhysicsUniversity of CaliforniaDavisUSA

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