Dark Matter from Anomaly Cancellation at the LHC
arxiv(2024)
摘要
We discuss a class of theories that predict a fermionic dark matter candidate
from gauge anomaly cancellation. As an explicit example, we study the
predictions in theories where the global symmetry associated with baryon number
is promoted to a local gauge symmetry. In this context the symmetry-breaking
scale has to be below the multi-TeV scale in order to be in agreement with the
cosmological constraints on the dark matter relic density. The new physical
"Cucuyo" Higgs boson in the theory has very interesting properties, decaying
mainly into two photons in the low mass region, and mainly into dark matter in
the intermediate mass region. We study the most important signatures at the
Large Hadron Collider, evaluating the experimental bounds. We discuss the
correlation between the dark matter relic density, direct detection and
collider constraints. We find that these theories are still viable, and are
susceptible to being probed in current, and future high-luminosity, running.
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