Phenomenology from a U(1) gauged hidden sector
We-Fu Chang, John N. Ng, Jackson M. S. Wu
TL;DR
This paper explores the phenomenological implications of a hidden U(1) gauge sector with a Higgs singlet, focusing on potential signals at the LHC that could reveal such a hidden sector's existence.
Contribution
It introduces a simple hidden Higgs sector model with gauge mixing and analyzes its testable collider signatures, expanding understanding of hidden sectors beyond the Standard Model.
Findings
Potential LHC signals indicating hidden U(1) gauge sector
Constraints on hidden sector parameters from collider data
Insights into Higgs and gauge boson mixing effects
Abstract
We consider the phenomenological consequences of a hidden Higgs sector extending the Standard Model (SM), in which the matter content are uncharged under the SM gauge groups. We consider a simple case where the hidden sector is gauged under a U(1) with one Higgs singlet. The only couplings between SM and the hidden sector are through mixings between the neutral gauge bosons of the two respective sectors, and between the Higgs bosons. We find signals testable at the LHC that can reveal the existence and shed light on the nature of such a hidden sector.
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