Measuring Anomalous Couplings in H->WW* Decays at the International Linear Collider

Details Measuring Anomalous Couplings in H->WW* Decays at the International Linear Collider Measuring Anomalous Couplings in H->WW* Decays at the International Linear Collider

2010-11-26

arxiv.org/abs/1011.5805v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 7 figures, 1 table

Scientific paper

Measurement of the Higgs coupling to W-bosons is an important test of our understanding of the electroweak symmetry breaking mechanism. We study the sensitivity of the International Linear Collider (ILC) to the presence of anomalous HW+W- couplings using ZH -> nu nu WW* -> nu nu 4j events. Using an effective Lagrangian approach, we calculate the differential decay rates of the Higgs boson including the effects of new dimension-5 operators. We present a Monte Carlo simulation of events at the ILC, using a full detector simulation based on geant4 and a real event reconstruction chain. Expected constraints on the anomalous couplings are given.

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