Probing the CP nature of Higgs boson through e^-e^+ --> e^-e^+ phi

Details Probing the CP nature of Higgs boson through e^-e^+ --> e^-e^+ phi Probing the CP nature of Higgs boson through e^-e^+ --> e^-e^+ phi

2006-05-17

arxiv.org/abs/hep-ph/0605197v1

Phys.Rev.D74:056001,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 9 figures

Scientific paper

10.1103/PhysRevD.74.056001

We study the production of Higgs boson (phi) via the e^{-}e^{+}--> e^{-}e^{+} phi process at a future International Linear Collider (ILC) with sqrt{S}=1 TeV. At this energy the ZZ-fusion rate, as predicted by the Standard Model, dominates over the associated ZH production rate. Here, we consider a class of theory models based on the effective phi-VV (with V=Z, gamma) couplings generated by dimension-6 operators. We also show how to use the kinematical distributions of the final state leptons to discriminate the CP-even and CP-odd Higgs bosons produced at the ILC, when the phi-gamma-gamma coupling dominates the Higgs boson production rate.

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