Measurements of production cross sections of the Higgs boson in the four-lepton final state in proton-proton collisions at s = 13 TeV

. 2021 ; 81 (6) : 488. [epub] 20210602

Status PubMed-not-MEDLINE Jazyk angličtina Země Francie Médium print-electronic

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid34727143

Production cross sections of the Higgs boson are measured in the H → Z Z → 4 ℓ ( ℓ = e , μ ) decay channel. A data sample of proton-proton collisions at a center-of-mass energy of 13 TeV , collected by the CMS detector at the LHC and corresponding to an integrated luminosity of 137 fb - 1 is used. The signal strength modifier μ , defined as the ratio of the Higgs boson production rate in the 4 ℓ channel to the standard model (SM) expectation, is measured to be μ = 0.94 ± 0.07 (stat) - 0.08 + 0.09 (syst) at a fixed value of m H = 125.38 GeV . The signal strength modifiers for the individual Higgs boson production modes are also reported. The inclusive fiducial cross section for the H → 4 ℓ process is measured to be 2 . 84 - 0.22 + 0.23 (stat) - 0.21 + 0.26 (syst) fb , which is compatible with the SM prediction of 2.84 ± 0.15 fb for the same fiducial region. Differential cross sections as a function of the transverse momentum and rapidity of the Higgs boson, the number of associated jets, and the transverse momentum of the leading associated jet are measured. A new set of cross section measurements in mutually exclusive categories targeted to identify production mechanisms and kinematical features of the events is presented. The results are in agreement with the SM predictions.

1 Physikalisches Institut RWTH Aachen University Aachen Germany

3 Physikalisches Institut A RWTH Aachen University Aachen Germany

3 Physikalisches Institut B RWTH Aachen University Aachen Germany

Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt

Adiyaman University Adiyaman Turkey

Ain Shams University Cairo Egypt

Baylor University Waco USA

Beihang University Beijing China

Benemerita Universidad Autonoma de Puebla Puebla Mexico

Bethel University St Paul Minneapolis USA

Bhabha Atomic Research Centre Mumbai India

Bingol University Bingol Turkey

Bogazici University Istanbul Turkey

Boston University Boston USA

Bozok Universitetesi Rektörlügü Yozgat Turkey Yozgat Turkey

Brandenburg University of Technology Cottbus Germany

British University in Egypt Cairo Egypt

Brown University Providence USA

Brunel University Uxbridge UK

Budker Institute of Nuclear Physics Novosibirsk Russia

California Institute of Technology Pasadena USA

Carnegie Mellon University Pittsburgh USA

Catholic University of America Washington DC USA

Center for High Energy Physics Fayoum University El Fayoum Egypt

Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil

Centro de Investigacion y de Estudios Avanzados del IPN Mexico City Mexico

Centro de Investigaciones Energéticas Medioambientales y Tecnológicas Madrid Spain

Centro Siciliano di Fisica Nucleare e di Struttura Della Materia Catania Italy

CERN European Organization for Nuclear Research Geneva Switzerland

Charles University Prague Czech Republic

Chonnam National University Institute for Universe and Elementary Particles Kwangju Korea

College of Engineering and Technology American University of the Middle East Egaila Kuwait

Consejo Nacional de Ciencia y Tecnología Mexico City Mexico

Cornell University Ithaca USA

Department of Physics Faculty of Science Chulalongkorn University Bangkok Thailand

Department of Physics Isfahan University of Technology Isfahan Iran

Department of Physics Tsinghua University Beijing China

Department of Physics Tsinghua University Beijing China Beijing China

Department of Physics University of California Santa Barbara Santa Barbara USA

Department of Physics University of Helsinki Helsinki Finland

Department of Physics University of Ruhuna Matara Sri Lanka

Department of Physics University of Science and Technology of Mazandaran Behshahr Iran

Department of Physics Yonsei University Seoul Korea

Deutsches Elektronen Synchrotron Hamburg Germany

Ecole Polytechnique Fédérale Lausanne Lausanne Switzerland

Electronics and Telecommunications AGH University of Science and Technology Faculty of Computer Science Kraków Poland

Erciyes University Kayseri Turkey

Erzincan Binali Yildirim University Erzincan Turkey

Escuela Politecnica Nacional Quito Ecuador

Eszterhazy Karoly University Karoly Robert Campus Gyongyos Hungary

ETH Zurich Institute for Particle Physics and Astrophysics Zurich Switzerland

Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture University of Split Split Croatia

Faculty of Engineering Istanbul University Cerraphasa Istanbul Turkey

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Faculty of Physics University of Belgrade Belgrade Serbia

Faculty of Science University of Split Split Croatia

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Florida Institute of Technology Melbourne USA

Florida State University Tallahassee USA

G H G Khalsa College Punjab India

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Ghent University Ghent Belgium

Hacettepe University Ankara Turkey

Hanyang University Seoul Korea

Helsinki Institute of Physics Helsinki Finland

IIT Bhubaneswar Bhubaneswar India

Imperial College London UK

Indian Institute of Science Bangalore India

Indian Institute of Science Education and Research Pune India

Indian Institute of Technology Madras Madras India

Indian Institute of Technology Mumbai India

INFN Laboratori Nazionali di Frascati Frascati Italy

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INFN Sezione di Catania Università di Catania Catania Italy

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Institut de Physique des 2 Infinis de Lyon Villeurbanne France

Institut für Hochenergiephysik Wien Austria

Institute for High Energy Physics of National Research Centre 'Kurchatov Institute' Protvino Russia

Institute for Nuclear Problems Minsk Belarus

Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria

Institute for Nuclear Research Moscow Russia

Institute for Research in Fundamental Sciences Tehran Iran

Institute for Scintillation Materials of National Academy of Science of Ukraine Kharkiv Ukraine

Institute for Theoretical and Experimental Physics named by A 1 Alikhanov of NRC 'Kurchatov Institute' Moscow Russia

Institute of Basic and Applied Sciences Faculty of Engineering Arab Academy for Science Technology and Maritime Transport Alexandria Egypt Alexandria Egypt

Institute of Experimental Physics Faculty of Physics University of Warsaw Warsaw Poland

Institute of High Energy Physics Beijing China

Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion beam Application Fudan University Shanghai China

Institute of Nuclear and Particle Physics NCSR Demokritos Aghia Paraskevi Greece

Institute of Nuclear Research ATOMKI Debrecen Hungary

Institute of Physics Bhubaneswar India

Institute of Physics University of Debrecen Debrecen Hungary

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IPPP Durham University Durham UK

IRFU CEA Université Paris Saclay Gif sur Yvette France

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Johns Hopkins University Baltimore USA

Joint Institute for Nuclear Research Dubna Russia

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Monash University Faculty of Science Clayton Australia

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Nanjing Normal University Department of Physics Nanjing China

National and Kapodistrian University of Athens Athens Greece

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National Centre for Nuclear Research Swierk Poland

National Centre for Particle Physics Universiti Malaya Kuala Lumpur Malaysia

National Centre for Physics Quaid 1 Azam University Islamabad Pakistan

National Institute of Chemical Physics and Biophysics Tallinn Estonia

National Institute of Science Education and Research HBNI Bhubaneswar India

National Research Nuclear University 'Moscow Engineering Physics Institute' Moscow Russia

National Research Tomsk Polytechnic University Tomsk Russia

National Scientific Center Kharkov Institute of Physics and Technology Kharkiv Ukraine

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Near East University Research Center of Experimental Health Science Nicosia Turkey

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Novosibirsk State University Novosibirsk Russia

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