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Scalar gauge dynamics and Dark Matter

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arxiv 1911.04502 v2 pith:LGBBYBWQ submitted 2019-11-11 hep-ph astro-ph.COhep-th

Dario Buttazzo , Luca Di Luzio , Parsa Ghorbani , Christian Gross , Giacomo Landini , Alessandro Strumia , Daniele Teresi , Jin-Wei Wang This is my paper · ORCID
classification hep-phastro-ph.COhep-th
keywords darkmattergaugegroupsymmetriesaccidentalcandidatesscalar
verification ladder T0 review T1 audit T2 compute T3 formal
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We consider theories with one gauge group (SU, SO or Sp) and one scalar in a two-index representation. The renormalizable action often has accidental symmetries (such as global U(1) or unusual group parities) that lead to one or more stable states, providing Dark Matter candidates. We discuss the confined phase(s) of each theory and compute the two Higgs phases, finding no generic dualities among them. Discrete gauge symmetries can arise and accidental symmetries can be broken, possibly giving pseudo-Goldstone Dark Matter. Dark Matter candidates can have a complicated sub-structure characteristic of each group and can be accompanied by extra dark radiation.

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