Determining the Coupling of a Higgs Boson to $ZZ$ at Linear Colliders

Abstract

We demonstrate that, at a 500 GeV e+e- collider, inclusion of the $ZZ$-fusion process for production of a light standard-model-like Higgs boson can substantially increase the precision with which the $ZZh$ coupling can be determined (using the model-independent recoil mass technique) as compared to employing only $Zh$ associated production.

arXiv commentrevised version, to appear in PLB

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• Automatic Generation of Tree Level Helicity Amplitudes
• Physics and Technology of the Next Linear Collider: A Report Submitted to Snowmass '96
• Higgs Boson And $W_L{W}_L$ Scattering At $e^{-}{e}^{-}$ Colliders

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• A No-Lose Theorem for Higgs Searches at a Future Linear Collider
• Probing the muon g-2 anomaly with the Higgs boson at a Muon Collider
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• Potential Precision on Higgs Couplings and Total Width at the ILC
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• Measuring the ratio of $HWW$ and $HZZ$ couplings through $W^{+}{W}^{-}H$ production
• Testing CP-Violation in the Scalar Sector at Future $e^{+}{e}^{-}$ Colliders
• Probing the CP nature of Higgs boson through e^-e^+ --> e^-e^+ phi
• Spontaneous CP-violation in the Simplest Little Higgs Model and its Future Collider Tests: the Scalar Sector
• Asymptotic properties of Born-improved amplitudes with gauge bosons in the final state
• Measuring Anomalous Couplings in H->WW* Decays at the International Linear Collider
• High energy lepton colliders as the ultimate Higgs microscopes
• Leptonic anomalous gauge couplings detection on electron positron colliders