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Paper   IPM / P / 16851
School of Physics
  Title:   The FIMP-WIMP dark matter and Muon g-2 in the extended singlet scalar model
  Status:   Preprint
  Year:  2021
  Supported by:  IPM
We explore a simplest viable dark matter model with a real singlet scalar, vector-like singlet and doublet fermions. The Yukawa couplings associate with the fermion sector play a crucial role to get the current relic density of the Universe through Freeze-in and Freeze-out mechanism. A solution to muon anomalous magnetic moment is carried out in an economical fashion via the dark matter and light fermion doublet interaction. We discuss the constraints from the recent muon anomalous magnetic moment experimental data and relic density. We also perform the collider analysis for the FIMP dark matter in the context of 14 TeV LHC experiments with the MATHUSLA100/200 detector. Our analysis shows that, one can get enough events > 3 for heavy charged fermion track at 14 TeV LHC with an integrated luminosity L=106  fb1.

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