Constraints on the Lee-Wick Higgs Sector

Details Constraints on the Lee-Wick Higgs Sector Constraints on the Lee-Wick Higgs Sector

2009-08-03

arxiv.org/abs/0908.0342v1

Phys.Rev.D80:055020,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages LaTeX, 14 figures

Scientific paper

10.1103/PhysRevD.80.055020

Lee-Wick partners to the Standard Model Higgs doublet may appear at a mass scale that is significantly lower than that of the remaining Lee-Wick partner states. The relevant effective theory is a two-Higgs doublet model in which one doublet has wrong-sign kinetic and mass terms. We determine bounds on this effective theory, including those from neutral B-meson mixing, b --> X_s gamma, and Z --> b b-bar. The results differ from those of conventional two-Higgs doublet models and lead to meaningful constraints on the Lee-Wick Higgs sector.

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