Higgs physics at the CLIC electron–positron linear collider

Abramowicz, H.; Kacarevic, G.; Eigen, G.; Boronat, M.; Zgura, I. S.; Robson, A.; Szalay, M.; Swientek, K. P.; Benoit, M.; Barreto Pinto, M. Vicente; Bugiel, S.; Díaz Gutierrez, M. A.; Xu, B.; Burrows, P. N.; Neagu, A. T.; Pandurovic, M.; Levy, A.; Borysov, Oleksandr; Abusleme, A.; Nikiforou, N.; Schlatter, D.; García, I.; Shumeiko, N.; Krawczyk, M.; Wojton, T.; Balázs, C.; Preda, T.; Makarenko, V.; MilutinovicDumbelovic, G.; Watson, M.; Peric, I.; Marshall, J. S.; Charles, T. K.; Goldstein, J.; Kananov, S.; Kopec, M.; Firu, E.; Tehrani, N. Alipour; Petric, M.; Fuster, J.; Afanaciev, K.; Kalinowski, J.; Munker, R. M.; van der Kraaij, E.; Fiutowski, T.; Zarnecki, A. F.; Maier, A. A.; Strube, J.; Grefe, C.; Klempt, W.; Buckland, M.; Firlej, M.; Nurnberg, A.; van der Kolk, N.; Hauschild, M.; Vos, M.; Xia, L.; Repond, J.; Weerts, H.; Uggerh\o, U. I.; Bilki, B.; Stapnes, S.; Pawlik, B.; Weuste, L.; Rosenblat, O.; Weber, M. A.; Boland, M. J.; Simon, F.; Strom, R.; Hynds, D.; Rassool, R.; Green, S.; Wells, J. D.; Munnich, A.; Benhammou, Y.; Idzik, M.; Elsener, K.; Winter, A.; Kulis, S.; Schulte, D.; Roloff, P.; Ros, E.; Poss, S. G.; Mei, K.; Daniluk, Withold; Moya, D.; Vogel Gonzalez, M.; Tesar, M.; Moron, J.; Vila, I.; Hawkes, C.; Lukic, S.; Protopopescu, D.; Zawiejski, L.; Kucharczyk, M.; Nikolopoulos, K.; Thomson, M. A.; Dannheim, D.; Blaising, J. J.; Laštovička, T.; Vossebeld, J.; Gabriel, Miroslav; Krupa, B.; Gaede, Frank; Dasgupta, R.; Redford, S.; Sopicki, P.; Ghenescu, V.; Simoniello, R.; Linssen, L.; Demarteau, M.; Felzmann, U.; Sicking, E.; Levy, I.; Lesiak, T.; Moszczynski, A.; Bozovic-Jelisavcic, I.; Trenado, J.; Sailer, A.; RuizJimeno, A.; Pitters, F.; Perez Codina, E.; Martin, V. J.; Watson, N.

doi:10.1140/epjc/s10052-017-4968-5

Report/Journal Article

PUBDB-2018-00519

Higgs physics at the CLIC electron–positron linear collider

Abramowicz, H. ; Abusleme, A. ; Afanaciev, K. ; Tehrani, N. A. ; Balázs, C. ; Benhammou, Y. ; Benoit, M. ; Bilki, B. ; Blaising, J. J. ; Boland, M. J. ; Boronat, M. ; Borysov, O.DESY* ; Bozovic-Jelisavcic, I. ; Buckland, M. ; Bugiel, S. ; Burrows, P. N. ; Charles, T. K. ; Daniluk, W.Extern* ; Dannheim, D. ; Dasgupta, R. ; Demarteau, M. ; Díaz Gutierrez, M. A. ; Eigen, G. ; Elsener, K. ; Felzmann, U. ; Firlej, M. ; Firu, E. ; Fiutowski, T. ; Fuster, J. ; Gabriel, M.Extern* ; Gaede, F.DESY* ; García, I. ; Ghenescu, V. ; Goldstein, J. ; Green, S. ; Grefe, C. ; Hauschild, M. ; Hawkes, C. ; Hynds, D. ; Idzik, M. ; Kacarevic, 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. ; Lukic, S. ; Maier, A. A. ; Makarenko, V. ; Marshall, J. S. ; Mei, K. ; MilutinovicDumbelovic, G. ; Moron, J. ; Moszczynski, A. ; Moya, D. ; Munker, R. M. ; Munnich, A. ; Neagu, A. T. ; Nikiforou, N. ; Nikolopoulos, K. ; Nurnberg, A. ; Pandurovic, M. ; Pawlik, B. ; Perez Codina, E. ; 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. ; RuizJimeno, A. ; Sailer, A. ; Schlatter, D. ; Schulte, D. ; Shumeiko, N. ; Sicking, E. ; Simon, F. ; Simoniello, R. ; Sopicki, P. ; Stapnes, S. ; Strom, R. ; Strube, J. ; Swientek, K. P. ; Szalay, M. ; Tesar, M. ; Thomson, M. A. ; Trenado, J. ; Uggerh\o, U. I. ; van der Kolk, N. ; van der Kraaij, E. ; Barreto Pinto, M. V. ; Vila, I. ; Vogel Gonzalez, M. ; Vos, M. ; Vossebeld, J. ; Watson, M. ; Watson, N. ; Weber, M. A. ; Weerts, H. ; Wells, J. D. ; Weuste, L. ; Winter, A. ; Wojton, T. ; Xia, L. ; Xu, B. ; Zarnecki, A. F. ; Zawiejski, L. ; Zgura, I. S. ; Martin, V. J.

2017
Springer Berlin

The European physical journal / C 77(7), 475 (2017) [10.1140/epjc/s10052-017-4968-5]

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Please use a persistent id in citations: doi:10.1140/epjc/s10052-017-4968-5 doi:10.3204/PUBDB-2018-00519

Report No.: CLICDP-PUB-2016-001; arXiv:1608.07538

Abstract: The Compact Linear Collider (CLIC) is an option for a future ${\mathrm{e}^{+}}{\mathrm{e}^{-}} $ collider operating at centre-of-mass energies up to $3\,\text {TeV} $ , providing sensitivity to a wide range of new physics phenomena and precision physics measurements at the energy frontier. This paper is the first comprehensive presentation of the Higgs physics reach of CLIC operating at three energy stages: $\sqrt{s} = 350\,\text {GeV} $ , 1.4 and $3\,\text {TeV} $ . The initial stage of operation allows the study of Higgs boson production in Higgsstrahlung ( ${\mathrm{e}^{+}}{\mathrm{e}^{-}} \rightarrow {\mathrm{Z}} {\mathrm{H}} $ ) and ${\mathrm{W}} {\mathrm{W}} $ -fusion ( ${\mathrm{e}^{+}}{\mathrm{e}^{-}} \rightarrow {\mathrm{H}} {{\nu }}_{\!\mathrm{e}} {\bar{{\nu }}}_{\!\mathrm{e}} $ ), resulting in precise measurements of the production cross sections, the Higgs total decay width $\varGamma _{{\mathrm{H}}}$ , and model-independent determinations of the Higgs couplings. Operation at $\sqrt{s} > 1\,\text {TeV} $ provides high-statistics samples of Higgs bosons produced through ${\mathrm{W}} {\mathrm{W}} $ -fusion, enabling tight constraints on the Higgs boson couplings. Studies of the rarer processes ${\mathrm{e}^{+}}{\mathrm{e}^{-}} \rightarrow \mathrm{t} {\bar{\mathrm{t}}} {\mathrm{H}} $ and ${\mathrm{e}^{+}}{\mathrm{e}^{-}} \rightarrow {\mathrm{H}} {\mathrm{H}} {{\nu }}_{\!\mathrm{e}} {\bar{{\nu }}}_{\!\mathrm{e}} $ 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.

Keyword(s): electron positron: annihilation ; electron positron: colliding beams ; coupling: Higgs ; Higgs particle: electroproduction ; Higgs particle: coupling ; coupling: Yukawa ; electron positron: linear collider ; channel cross section ; Higgs particle: width ; CERN CLIC ; sensitivity ; new physics ; numerical calculations: Monte Carlo ; 350 GeV-cms1400 GeV-cms3000 GeV-cms