The SM Higgs-boson production in gamma gamma -> h -> bb at the Photon Collider at TESLA

Details The SM Higgs-boson production in gamma gamma -> h -> bb at the Photon Collider at TESLA The SM Higgs-boson production in gamma gamma -> h -> bb at the Photon Collider at TESLA

2002-11-29

arxiv.org/abs/hep-ph/0211455v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at the International Workshop on Linear Colliders LCWS(2002), Jeju, Korea

Scientific paper

Measuring the Gamma(h -> gamma gamma)Br(h -> bb) decay at the photon collider at TESLA is studied for a Standard Model Higgs boson of mass m_h = 120 GeV. The main background due to the process gamma gamma -> QQ(g), where Q = b,c, is estimated using the NLO QCD program (G. Jikia); the results obtained are compared with the LO estimate. Using a realistic luminosity spectrum and performing a detector simulation, we find that Gamma(h -> gamma gamma)Br(h -> bb) can be measured with an accuracy better than 2% after one year of photon collider running.

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