Study of the Higgs-boson decays into WW and ZZ at the Photon Collider

Details Study of the Higgs-boson decays into WW and ZZ at the Photon Collider Study of the Higgs-boson decays into WW and ZZ at the Photon Collider

2002-07-24

arxiv.org/abs/hep-ph/0207294v3

JHEP 0211 (2002) 034

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 18 figures; updated version with improved precision of estimates

Scientific paper

10.1088/1126-6708/2002/11/034

Production of the Standard Model Higgs-boson at the Photon Collider at TESLA is studied for the Higgs-boson masses above 150 GeV. Simulation of signal and background processes takes into account realistic luminosity spectra and detector effects. In the considered mass range, large interference effects are expected in the W+W- decay channel. By reconstructing W+W- and ZZ final states, not only the h->gamma gamma partial width can be measured, but also the relative phase of the scattering amplitude. This opens a new window for the precise determination of the Higgs-boson couplings. Models with heavy, fourth-generation fermions and with enlarged Higgs sector (2HDM (II)) are considered.

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