Phenomenology of Large Mixing for the CP-even Neutral Scalars of the Higgs Triplet Model
A.G. Akeroyd, Cheng-Wei Chiang
TL;DR
This paper investigates the mixing behavior of CP-even neutral scalars in the Higgs Triplet Model, analyzing how mass differences and triplet VEV influence maximal mixing and the potential for detection at the LHC.
Contribution
It provides a detailed analysis of the conditions for maximal mixing of neutral scalars and explores their experimental observability at the LHC.
Findings
Maximal mixing occurs near scalar mass degeneracy.
Mixing angle depends on mass splitting and triplet VEV.
Both Higgs bosons could be observable at the LHC.
Abstract
The Higgs Triplet Model contains two CP-even neutral scalar eigenstates, each having components from an isospin doublet and an isospin triplet scalar field. The mixing angle can be maximal if the masses of the scalar eigenstates are close to degeneracy. We quantify the dependence of the mixing angle on the mass splitting and on the vacuum expectation value of the neutral triplet scalar. We determine the parameter space for maximal mixing, and study the observability of both CP-even Higgs bosons at the CERN LHC
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