Two-photon Width and Phase Measurement from the SM Higgs Decays into WW and ZZ

P. Niezurawski , A. F. Zarnecki , M. Krawczyk

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classification ✦ hep-ph

keywords higgs-bosonphasewidthaboveamplitudecollidercouplingsdecays

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Production of the Standard Model Higgs-boson at the photon collider at TESLA is studied for the Higgs-boson masses above 170 GeV. By reconstructing WW and ZZ final states, not only the h to gamma-gamma partial width but also the phase of the scattering amplitude can be measured. This opens a new window onto the precise determination of the Higgs-boson couplings.

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Two-photon Width and Phase Measurement from the SM Higgs Decays into WW and ZZ

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