Four weak gauge boson production at photon linear collider and heavy Higgs signal |
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| Institution: | 1. Key Laboratory of Traffic Safety on Track of Ministry of Education, School of Traffic and Transportation Engineering, Central South University, Changsha 410075, Hunan, China;2. Institute of Automation, Faculty of Computer Science and Electrical Engineering, University of Rostock, Rostock 18119, Mecklenburg-Vorpommern, Germany;1. School of Science, North University of China, Taiyuan, Shanxi, 030051, PR China;2. MIIT key laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, People''s Republic of China |
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| Abstract: | We study the signals and backgrounds for a heavy Higgs boson in the processes γγ → WWWW, γ → WWZZ at the proton linear collider. The results are based on the complete tree-level SM calculation for these reactions. We show that the invariant mass spectrum of central WW, ZZ pairs is sensitive to the signal from Higgs boson with a mass up to 1 TeV linear collider for integrated luminosity of 300 fb−1. At 1.5 TeV PLC Higgs boson with a mass up to 700 GeV can be studied. The nonresonant longitudinal gauge boson scattering (mH = ∞) can be detected in photon-photon collisions at e+e− center-of-mass energy of 3 TeV. |
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