Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 $$\,\text {TeV}$$ TeV
Abstract
Properties of the Higgs boson with mass near 125[Formula: see text] are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measurements are combined. The decay channels include [Formula: see text], [Formula: see text], [Formula: see text], [Formula: see text], [Formula: see text], and [Formula: see text] pairs. The data samples were collected in 2011 and 2012 and correspond to integrated luminosities of up to 5.1[Formula: see text] at 7[Formula: see text] and up to 19.7[Formula: see text] at 8[Formula: see text]. From the high-resolution [Formula: see text] and [Formula: see text] channels, the mass of the Higgs boson is determined to be [Formula: see text]. For this mass value, the event yields obtained in the different analyses tagging specific decay channels and production mechanisms are consistent with those expected for the standard model Higgs boson. The combined best-fit signal relative to the standard model expectation is [Formula: see text] at the measured mass. The couplings of the Higgs boson are probed for deviations in magnitude from the standard model predictions in multiple ways, including searches for invisible and undetected decays. No significant deviations are found.
Funding
- National Science Foundation
- U.S. Department of Energy
- Alfred P. Sloan Foundation
- Alexander von Humboldt-Stiftung
- Compagnia di San Paolo
- Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS)
- Türkiye Atom Enerjisi Kurumu
- CERN
- Thailand Center of Excellence in Physics
- Institute for the Promotion of Teaching Science and Technology
- Kanton Zürich
- European Commission
- National Research Foundation
- Deutsche Forschungsgemeinschaft
- Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
- Fundação de Amparo à Pesquisa do Estado de São Paulo
- National Natural Science Foundation of China
- Research Promotion Foundation
- Ministerstvo Školství, Mládeže a Tělovýchovy
- Fonds National de la Recherche Luxembourg
- Fundacja na rzecz Nauki Polskiej
- Russian Foundation for Basic Research
- Eesti Teadusagentuur
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
- Academy of Finland
- Bundesministerium für Bildung und Forschung
- Chinese Academy of Sciences
- Austrian Science Fund
- Belgian Federal Science Policy Office
- Eidgenössische Technische Hochschule Zürich
- Agentschap voor Innovatie door Wetenschap en Technologie
- Consejo Nacional de Ciencia y Tecnología
- Ministero dell’Istruzione, dell’Università e della Ricerca
- Bundesministerium für Wissenschaft, Forschung und Wirtschaft
- Ministry of Education and Science of the Russian Federation
- General Secretariat for Research and Technology
- Ministry of Business, Innovation and Employment
- Conselho Nacional de Desenvolvimento Científico e Tecnológico
- Ministry of Science, ICT and Future Planning
- Joint Institute for Nuclear Research
- A.G. Leventis Foundation
- National Science and Technology Development Agency
- Universiti Malaya
- Narodowym Centrum Nauki
- Hrvatska Zaklada za Znanost
- Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja
- Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
- National Academy of Sciences of Ukraine
- Centre National de la Recherche Scientifique
- Universidad Autónoma de San Luis Potosí
- School of Mathematics, Institute for Research in Fundamental Sciences
- Commissariat à l'Énergie Atomique et aux Énergies Alternatives
- Lietuvos Mokslų Akademija
- Pakistan Atomic Energy Commission
- Federal Agency of Atomic Energy of the Russian Federation
- Istituto Nazionale di Fisica Nucleare
- Board of the Swiss Federal Institutes of Technology
- Qatar National Research Fund
- Science and Technology Facilities Council
- Fundação para a Ciência e a Tecnologia
- Russian Academy of Sciences
- Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture
- Secretaría de Estado de Investigación, Desarrollo e Innovación
- European Regional Development Fund
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
- Institut National de Physique Nucléaire et de Physique des Particules
- European Social Fund
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