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SLIM at LHC: LHC search power for a model linking dark matter and neutrino mass

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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 −, ϕ 0). We discuss the potential of the LHC for discovering the new scalars. We focus on the ϕ + ϕ − and ϕ ± ϕ 0 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 5σ 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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Authors and Affiliations

  1. School of physics, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5531, Tehran, IRAN

    Y. Farzan

  2. School of particles and accelerators, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5746, Tehran, IRAN

    M. Hashemi

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  1. Y. Farzan
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  2. M. Hashemi
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Correspondence to M. Hashemi.

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ArXiv ePrint: 1009.0829

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Farzan, Y., Hashemi, M. SLIM at LHC: LHC search power for a model linking dark matter and neutrino mass. J. High Energ. Phys. 2010, 29 (2010). https://doi.org/10.1007/JHEP11(2010)029

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  • DOI: https://doi.org/10.1007/JHEP11(2010)029

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