Resonant Higgs-Sector CP Violation at the LHC

Details Resonant Higgs-Sector CP Violation at the LHC Resonant Higgs-Sector CP Violation at the LHC

2004-09-02

arxiv.org/abs/hep-ph/0409020v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, to appear in the proceedings of the 12th International Conference on Supersymmetry and Unification of the

Scientific paper

We present the general formalism for studying CP-violating phenomena in the production,mixing and decay of a coupled system of CP-violating neutral Higgs bosons at high-energy colliders. Considering the Minimal Supersymmetric Standard Model (MSSM) Higgs sector in which CP violation is radiatively induced by phases of the soft supersymmetry-breaking parameters, we apply our formalism to neutral Higgs production via {\bar b}b, gg and W^+ W^- collisions and their subsequent decays into tau^+ tau^- pairs at the LHC. We discuss CP asymmetries in the longitudinal polarizations of tau^+ tau^- pairs based on a scenario in which all neutral Higgs bosons are nearly degenerate and the CP-violating signatures are resonantly enhanced.

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