Higgs physics at the CLIC electron–positron linear collider

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

*Corresponding author for this work

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151 Scopus citations

Abstract

The Compact Linear Collider (CLIC) is an option for a future e +e - collider operating at centre-of-mass energies up to 3TeV, 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: s=350GeV, 1.4 and 3TeV. The initial stage of operation allows the study of Higgs boson production in Higgsstrahlung (e +e -→ Z H) and W W -fusion (e+e-→Hνeν¯e), resulting in precise measurements of the production cross sections, the Higgs total decay width ΓH, and model-independent determinations of the Higgs couplings. Operation at s>1TeV provides high-statistics samples of Higgs bosons produced through W W -fusion, enabling tight constraints on the Higgs boson couplings. Studies of the rarer processes e +e -→ t t ¯ H and e+e-→HHνeν¯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.

Original languageEnglish
Article number475
JournalEuropean Physical Journal C
Volume77
Issue number7
DOIs
StatePublished - 1 Jul 2017

Funding

FundersFunder number
Comisión Nacional de Investigación Científica y Tecnológica
National Science Foundation
Basic Energy Sciences
Seventh Framework Programme
Israel Science Foundation
VATAT
Norges Forskningsråd
Unitatea Executiva pentru Finantarea Invatamantului Superior, a Cercetarii, Dezvoltarii si Inovarii
Agenția Spațială Română
Deutsche Forschungsgemeinschaft
U.S. Department of Energy
Israel Academy of Sciences, Israel
Office of Science
Bill and Melinda Gates Foundation
German - Israel Foundation
EGI Federation
Not addedPP/E002862/1, ST/N000463/1, ST/G502512/1, ST/H000534/1
Ministerstwo Edukacji i Nauki3501/H2020/2016/2
Not added171012, OI171012
Narodowe Centrum Nauki2013/10/M/ST2/00629, UMO-2015/18/M/ST2/00518
High Energy PhysicsDE-AC02-06CH11357
Horizon 2020 Framework Programme654168
State of Research, Development and Innovation of SpainFPA2011-15330-E, FPA2015-71956-REDT
European Commission316704, PITN-GA-2012-316704
Ministry of Education, Youth and Sports, Czech RepublicINGO II-LG 14033

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