Vector Boson Dark Matter From Trinification
K.S. Babu, Sudip Jana, Anil Thapa

TL;DR
This paper explores trinification models near the TeV scale that naturally include various dark matter candidates, focusing on a vector boson dark matter scenario consistent with relic abundance, detection limits, and collider constraints.
Contribution
It introduces a vector boson dark matter model within trinification frameworks, analyzing its interactions, relic density, and experimental constraints.
Findings
Vector boson DM mass limited to 900 GeV.
Vector-like quarks and leptons constrained to 4.5 TeV.
Model remains consistent with LHC and direct detection data.
Abstract
We show how trinification models based on the gauge group realized near the TeV scale can provide naturally a variety of dark matter (DM) candidates. These models contain a discrete parity which may remain unbroken even after spontaneous symmetry breaking. The lightest -odd particle, which could be a fermion, a scalar, or a gauge boson, can constitute the dark matter of the universe. This framework naturally admits a doublet-singlet fermionic DM, a singlet scalar DM, or a vector boson DM. Here we develop the vector boson DM scenario wherein the DM couples off-diagonally with the usual fermions and vector-like fermions present in the theory. We show consistency of this framework with dark matter relic abundance and direct detection limits as well as LHC constraints. We derive upper limits of 900 GeV on the vector gauge boson DM mass and 4.5…
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