Scalar Dark Matter Candidates in Two Inert Higgs Doublet Model
Abstract
We study a two scalar inert doublet model (IDMS3) which is stabilized by a S3 symmetry. We consider two scenarios: i) two of the scalars in each charged sector are mass degenerated due to a residual Z2 symmetry, ii) there is no mass degeneracy because of the introduction of soft terms that break the Z2 symmetry. We show that both scenarios provide good dark matter candidates for some range of parameters.
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