Scalar Dark Matter Candidates in Two Inert Higgs Doublet Model

preprint2014arXivOpen access

Abstract

We study a two scalar inert doublet model (IDMS3_3) which is stabilized by a S3S_3 symmetry. We consider two scenarios: i) two of the scalars in each charged sector are mass degenerated due to a residual Z2Z_2 symmetry, ii) there is no mass degeneracy because of the introduction of soft terms that break the Z2Z_2 symmetry. We show that both scenarios provide good dark matter candidates for some range of parameters.

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