Vector Dark Matter through a Radiative Higgs Portal

Abstract

We study a model of spin-1 dark matter which interacts with the Standard Model predominantly via exchange of Higgs bosons. We propose an alternative UV completion to the usual Vector Dark Matter Higgs Portal, in which vector-like fermions charged under SU(2)${}_W\times$ U(1)${}_Y$ and under the dark gauge group, U(1)${}^{\prime }$, generate an effective interaction between the Higgs and the dark matter at one loop. We explore the resulting phenomenology and show that this dark matter candidate is a viable thermal relic and satisfies Higgs invisible width constraints as well as direct detection bounds.

v2: published, udpated references, included minor changes to text 19 pages, 6 figures

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• Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes
• Higgs portal vector dark matter for $\mathrm{GeV}$ scale $\gamma$-ray excess from galactic center
• Searches for electroweak neutralino and chargino production in channels with Higgs, Z, and W bosons in pp collisions at 8 TeV
• VDM: A model for Vector Dark Matter
• Invisible Higgs Decay Width vs. Dark Matter Direct Detection Cross Section in Higgs Portal Dark Matter Models
• Heavy WIMP through Higgs portal at the LHC

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• Minimal Spin-one Isotriplet Dark Matter
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• Cosmological Bounds on sub-GeV Dark Vector Bosons from Electromagnetic Energy Injection
• Higgs portal vector dark matter interpretation: review of Effective Field Theory approach and ultraviolet complete models
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• Addendum to "Invisible Higgs decay width versus dark matter direct detection cross section in Higgs portal dark matter models"
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