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Paper   IPM / Physic / 11539
School of Physics
  Title:   SLIM at LHC: LHC Ssearch Power for a Model Linking Dark Matter and Neutrino Mass
  Author(s): 
1.  Y. Farzan
2.  M. Hashemi
  Status:   Preprint
  Journal:
  Year:  2010
  Supported by:  IPM
  Abstract:
Recently a model has been proposed that links dark matter and neutrino masses. The dark matter candidate which is dubbed as SLIM has a mass of MeV scale and can show up at low energy experiments. The model also has a high energy sector which consists of a scalar doublet, (ϕ, ϕ0). We discuss the potential of the LHC for discovering the new scalars. We focus on the ϕ+ϕ and ϕ± ϕ0 production and the subsequent decay of the charged scalar to a charged lepton and the SLIM which appears as missing energy. Identifying the background, we estimate the signal significance and find that it can exceed 5 σ at 30 fb−1 for the 14 TeV run at the LHC. We comment on the possibility of extracting the flavor structure of the Yukawa couplings which also determine the neutrino mass matrix. Finally, we discuss the prospects of this search at the current 7 TeV run of the LHC.

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