Preprint / hep-ex / hep-ph CLICDP-PUB-2016-001 arXiv:1608.07538

Higgs Physics at the CLIC Electron-Positron Linear Collider

Abramowicz, H ; Abusleme, A ; Afanaciev, K ; Tehrani, N Alipour ; Balázs, C ; Benhammou, Y ; Benoit, M ; Bilki, B ; Blaising, J -J ; Boland, M J ; Boronat, M ; Borysov, O ; Božović-Jelisavčić, I ; Buckland, M ; Bugiel, S ; Burrows, P N ; Charles, T K ; Daniluk, W ; Dannheim, D ; Dasgupta, R ; Demarteau, M ; Gutierrez, M A Díaz ; Eigen, G ; Elsener, K ; Felzmann, U ; Firlej, M ; Firu, E ; Fiutowski, T ; Fuster, J ; Gabriel, M ; Gaede, F ; García, I ; Ghenescu, V ; Goldstein, J ; Green, S ; Grefe, C ; Hauschild, M ; Hawkes, C ; Hynds, D ; Idzik, M ; Kačarević, G ; Kalinowski, J ; Kananov, S ; Klempt, W ; Kopec, M ; Krawczyk, M ; Krupa, B ; Kucharczyk, M ; Kulis, S ; Laštovička, T ; Lesiak, T ; Levy, A ; Levy, I ; Linssen, L ; Lukić, S ; Maier, A A ; Makarenko, V ; Marshall, J S ; Mei, K ; Milutinović-Dumbelović, G ; Moroń, J ; Moszczyński, A ; Moya, D ; Münker, R M ; Münnich, A ; Neagu, A T ; Nikiforou, N ; Nikolopoulos, K ; Nürnberg, A ; Pandurović, M ; Pawlik, B ; Codina, E Perez ; Peric, I ; Petric, M ; Pitters, F ; Poss, S G ; Preda, T ; Protopopescu, D ; Rassool, R ; Redford, S ; Repond, J ; Robson, A ; Roloff, P ; Ros, E ; Rosenblat, O ; Ruiz-Jimeno, A ; Sailer, A ; Schlatter, D ; Schulte, D ; Shumeiko, N ; Sicking, E ; Simon, F ; Simoniello, R ; Sopicki, P ; Stapnes, S ; Ström, R ; Strube, J ; Świentek, K P ; Szalay, M ; Tesař, M ; Thomson, M A ; Trenado, J ; Uggerhøj, U I ; van der Kolk, N ; van der Kraaij, E ; Pinto, M Vicente Barreto ; Vila, I ; Gonzalez, M Vogel ; Vos, M ; Vossebeld, J ; Watson, M ; Watson, N ; Weber, M A ; Weerts, H ; Wells, J D ; Weuste, L ; Winter, A ; Wojtoń, T ; Xia, L ; Xu, B ; Żarnecki, A F ; Zawiejski, L ; Zgura, I -S

2016

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.

Note: Comments: 40 pages, 28 figures

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 Record created 2016-08-29, last modified 2016-08-30


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