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Composite 2HDM with singlets: a viable dark matter scenario
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Journal Article
Composite 2HDM with singlets: a viable dark matter scenario
2019
Overview
A
bstract
We study the non-minimal composite Higgs model with global symmetry SO(7) broken to SO(5)
×
SO(2). The model results in a composite Two-Higgs doublet model (2HDM) equipped with two extra singlets, the lightest of which can be a viable dark matter candidate. The model is able to reproduce the correct dark matter relic density both via the usual thermal freeze-out and through late time decay of the heavier singlet. In the case of thermal freeze-out, it is possible to evade current experimental constraints even with the minimum fine tuning allowed by electroweak precision tests.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V,SpringerOpen
