Higgs Physics at the CLIC Electron-Positron Linear Collider

Abstract : The Compact Linear Collider (CLIC) is an option for a future e+e- collider operating at centre-of-mass energies up to 3 TeV, providing sensitivity to a wide range of new physics phenomena and precision physics measurements at the energy frontier. This paper presents the Higgs physics reach of CLIC operating in three energy stages, sqrt(s) = 350 GeV, 1.4 TeV and 3 TeV. The initial stage of operation allows the study of Higgs boson production in Higgsstrahlung (e+e- -> ZH) and WW-fusion (e+e- -> Hnunu), resulting in precise measurements of the production cross sections, the Higgs total decay width Gamma_H, and model-independent determinations of the Higgs couplings. Operation at sqrt(s) > 1 TeV provides high-statistics samples of Higgs bosons produced through WW-fusion, enabling tight constraints on the Higgs boson couplings. Studies of the rarer processes e+e- -> ttH and e+e- -> HHnunu would allow measurements of the top Yukawa coupling and the Higgs boson self-coupling. This paper presents detailed studies of the precision achievable with Higgs measurements at CLIC and describes the interpretation of these measurements in a global fit.
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Contributor : Claudine Bombar <>
Submitted on : Thursday, September 8, 2016 - 11:12:47 AM
Last modification on : Thursday, January 11, 2018 - 6:13:25 AM

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  • HAL Id : in2p3-01362120, version 1
  • ARXIV : 1608.07538



H. Abramowicz, J.-J. Blaising. Higgs Physics at the CLIC Electron-Positron Linear Collider. 2016. ⟨in2p3-01362120⟩



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