Measurements of the Higgs boson width and anomalous $HVV$ couplings from on-shell and off-shell production in the four-lepton final state

descriptionPublicationkeyboard_double_arrow_right Report , Research , Article , Preprint 01 Jan 2019Embargo end date: 01 Jan 2019 Germany, United Kingdom, France, Brazil, Greece, United Kingdom, France, India, Germany, United States, Belgium, Germany, Germany, Belgium, France, Italy, United Kingdom English Publisher:Deutsches Elektronen-Synchrotron, DESY, HamburgJournal:Physical ReviewFunded by:EC | AMVA4NewPhysics

Authors: A. M. Sirunyan; A. Tumasyan; W. Adam; F. Ambrogi; E. Asilar; T. Bergauer; J. Brandstetter; +193 Authors

A. M. Sirunyan; A. Tumasyan; W. Adam; F. Ambrogi; E. Asilar; T. Bergauer; J. Brandstetter; M. Dragicevic; J. Erö; A. Escalante Del Valle; M. Flechl; R. Frühwirth; V. M. Ghete; J. Hrubec; M. Jeitler; N. Krammer; I. Krätschmer; D. Liko; T. Madlener; I. Mikulec; N. Rad; H. Rohringer; J. Schieck; R. Schöfbeck; M. Spanring; D. Spitzbart; A. Taurok; W. Waltenberger; J. Wittmann; C. -E. Wulz; M. Zarucki; V. Chekhovsky; V. Mossolov; J. Suarez Gonzalez; E. A. De Wolf; D. Di Croce; X. Janssen; J. Lauwers; M. Pieters; H. Van Haevermaet; P. Van Mechelen; N. Van Remortel; S. Abu Zeid; F. Blekman; J. D’Hondt; J. De Clercq; K. Deroover; G. Flouris; D. Lontkovskyi; S. Lowette; I. Marchesini; S. Moortgat; L. Moreels; Q. Python; K. Skovpen; S. Tavernier; W. Van Doninck; P. Van Mulders; I. Van Parijs; D. Beghin; B. Bilin; H. Brun; B. Clerbaux; G. De Lentdecker; H. Delannoy; B. Dorney; G. Fasanella; L. Favart; R. Goldouzian; A. Grebenyuk; A. K. Kalsi; T. Lenzi; J. Luetic; N. Postiau; E. Starling; L. Thomas; C. Vander Velde; P. Vanlaer; D. Vannerom; Q. Wang; T. Cornelis; D. Dobur; A. Fagot; M. Gul; I. Khvastunov; D. Poyraz; C. Roskas; D. Trocino; M. Tytgat; W. Verbeke; B. Vermassen; M. Vit; N. Zaganidis; H. Bakhshiansohi; O. Bondu; S. Brochet; G. Bruno; C. Caputo; P. David; C. Delaere; M. Delcourt; A. Giammanco; G. Krintiras; V. Lemaitre; A. Magitteri; K. Piotrzkowski; A. Saggio; M. Vidal Marono; S. Wertz; J. Zobec; F. L. Alves; G. A. Alves; M. Correa Martins Junior; G. Correia Silva; C. Hensel; A. Moraes; M. E. Pol; P. Rebello Teles; E. Belchior Batista Das Chagas; W. Carvalho; J. Chinellato; E. Coelho; E. M. Da Costa; G. G. Da Silveira; D. De Jesus Damiao; C. De Oliveira Martins; S. Fonseca De Souza; H. Malbouisson; D. Matos Figueiredo; M. Melo De Almeida; C. Mora Herrera; L. Mundim; H. Nogima; W. L. Prado Da Silva; L. J. Sanchez Rosas; A. Santoro; A. Sznajder; M. Thiel; E. J. Tonelli Manganote; F. Torres Da Silva De Araujo; A. Vilela Pereira; S. Ahuja; C. A. Bernardes; L. Calligaris; T. R. Fernandez Perez Tomei; E. M. Gregores; P. G. Mercadante; S. F. Novaes; SandraS. Padula; A. Aleksandrov; R. Hadjiiska; P. Iaydjiev; A. Marinov; M. Misheva; M. Rodozov; M. Shopova; G. Sultanov; A. Dimitrov; L. Litov; B. Pavlov; P. Petkov; W. Fang; X. Gao; L. Yuan; M. Ahmad; J. G. Bian; G. M. Chen; H. S. Chen; M. Chen; Y. Chen; C. H. Jiang; D. Leggat; H. Liao; Z. Liu; F. Romeo; S. M. Shaheen; A. Spiezia; J. Tao; Z. Wang; E. Yazgan; H. Zhang; S. Zhang; J. Zhao; Y. Ban; G. Chen; A. Levin; J. Li; L. Li; Q. Li; Y. Mao; S. J. Qian; D. Wang; Y. Wang; C. Avila; A. Cabrera; C. A. Carrillo Montoya; L. F. Chaparro Sierra; C. Florez; C. F. González Hernández; M. A. Segura Delgado;

doi: 10.3204/pubdb-2019-02801 , 10.3204/pubdb-2019-00298 , 10.18154/rwth-2019-11664 , 10.48550/arxiv.1901.00174 , 10.5445/ir/1000095776 , 10.18154/rwth-2019-11602

arXiv: 1901.00174

Measurements of the Higgs boson width and anomalous $HVV$ couplings from on-shell and off-shell production in the four-lepton final state

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Abstract

Studies of on-shell and off-shell Higgs boson production in the four-lepton final state are presented, using data from the CMS experiment at the LHC that correspond to an integrated luminosity of 80.2 fb(-1) at a center-of-mass energy of 13 TeV. Joint constraints are set on the Higgs boson total width and parameters that express its anomalous couplings to two electroweak vector bosons. These results are combined with those obtained from the data collected at center-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of 5.1 and 19.7 fb(-1), respectively. Kinematic information from the decay particles and the associated jets are combined using matrix element techniques to identify the production mechanism and to increase sensitivity to the Higgs boson couplings in both production and decay. The constraints on anomalous HVV couplings are found to be consistent with the standard model expectation in both the on-shell and off-shell regions. Under the assumption of a coupling structure similar to that in the standard model, the Higgs boson width is constrained to be 3.2(-2.2)(+2.8)MeV while the expected constraint based on simulation is 4.1(-4.0)(+5.0) MeV. The constraints on the width remain similar with the inclusion of the tested anomalous HVV interactions.

Janos Bolyai Research Scholarship of the Hungarian Academy of Sciences, the New National Excellence Program UNKP, the NKFIA research: 123842

Janos Bolyai Research Scholarship of the Hungarian Academy of Sciences, the New National Excellence Program UNKP, the NKFIA research: 123959

Janos Bolyai Research Scholarship of the Hungarian Academy of Sciences, the New National Excellence Program UNKP, the NKFIA research: 124845

Janos Bolyai Research Scholarship of the Hungarian Academy of Sciences, the New National Excellence Program UNKP, the NKFIA research: 124850

Janos Bolyai Research Scholarship of the Hungarian Academy of Sciences, the New National Excellence Program UNKP, the NKFIA research: 125105

Janos Bolyai Research Scholarship of the Hungarian Academy of Sciences, the New National Excellence Program UNKP, the NKFIA research

Programa Estatal de Fomento de la Investigacion Cientifica y Tecnica de Excelencia Maria de Maeztu: MDM-2015-0509

Programa Estatal de Fomento de la Investigacion Cientifica y Tecnica de Excelencia Maria de Maeztu

Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium)

Countries

Germany, United Kingdom, France, Brazil, Greece, United Kingdom, France, India, Germany, United States, Belgium, Germany, Germany, Belgium, France, Italy, United Kingdom

Related Organizations

University College London
United Kingdom
National and Kapodistrian University of Athens
Greece
University of Florence
Italy
Claude Bernard University Lyon 1
France
University of Milano-Bicocca
Italy

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Keywords

Higgs particle: width, 13000 GeV-cms, Higgs particle: coupling constant, LHC CMS HIGGS BOSON, Physics, Particles & Fields, High Energy Physics - Experiment, Higgs particle: hadroproduction, High Energy Physics - Experiment (hep-ex), width: upper limit, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle Physics Experiments, Physical Systems Higgs bosons Techniques Hadron colliders Particles & Fields, on-shell, info:eu-repo/classification/ddc/530, vector boson: pair production, CMS, Physics, ddc:530, 001, CERN LHC Coll, SPIN, FISICA DELLE PARTICELLE, PARTICLE PHYSICS., Physical Sciences, Centre for High Energy Physics, S126W, numerical calculations: Monte Carlo, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], mass spectrum: (4lepton), Particles & Fields, FOS: Physical sciences, Astronomy & Astrophysics, MASS, Particle Physics; LHC; Higgs; CMS, ZZ, 530, DECAYS, SEARCH, 539, BROKEN SYMMETRIES, Higgs particle: leptonic decay, structure, Physics, LHC, CMS, Higgs Boson, coupling: anomaly, Science & Technology, Higgs particle: coupling, Higgs particle: off-shell, electroweak interaction, hep-ex, CONSTRAINTS, Higgs particle: associated production, sensitivity, lepton: multiple production, S126CP, p p: colliding beams, BROKEN SYMMETRIES; DECAYS; CONSTRAINTS; SEARCH; SPIN; MASS; ZZ, experimental results

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