Measurement of the $$\textrm{t}\overline{\textrm{t}}\textrm{H}$$ and tH production rates in the H → $$\textrm{b}\overline{\textrm{b}}$$ decay channel using proton-proton collision data at $$\sqrt{s}$$ = 13 TeV
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· Journal of High Energy Physics (Online)
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An analysis of the production of a Higgs boson (H) in association with a top quark-antiquark pair ($$\textrm{t}\overline{\textrm{t}}\textrm{H}$$) or a single top quark (tH) is presented. The Higgs boson decay into a bottom quark-antiquark pair (H → $$\textrm{b}\overline{\textrm{b}}$$) is targeted, and three different final states of the top quark decays are considered, defined by the number of leptons (electrons or muons) in the event. The analysis utilises proton-proton collision data collected at the CERN LHC with the CMS experiment at $$\sqrt{s}$$ = 13 TeV in 2016–2018, which correspond to an integrated luminosity of 138 fb−1. The observed $$\sqrt{s}$$ production rate relative to the standard model expectation is 0.33 ± 0.26 = 0.33 ± 0.17(stat) ± 0.21(syst). Additionally, the $$\textrm{t}\overline{\textrm{t}}\textrm{H}$$ production rate is determined in intervals of Higgs boson transverse momentum. An upper limit at 95% confidence level is set on the tH production rate of 14.6 times the standard model prediction, with an expectation of $${19.3}_{-6.0}^{+9.2}$$. Finally, constraints are derived on the strength and structure of the coupling between the Higgs boson and the top quark from simultaneous extraction of the $$\textrm{t}\overline{\textrm{t}}\textrm{H}$$ and tH production rates, and the results are combined with those obtained in other Higgs boson decay channels.
- Research Organization:
- ABC Federal U.; AGH-UST, Cracow; AUM, Kuwait; Aachen, Tech. Hochsch.; Adiyaman U.; Ain Shams U., Cairo; Alabama U.; Andes U., Bogota; Annecy, LAPP; Antioquia U.; Antwerp U.; Athens U.; Bangalore, Indian Inst. Sci.; Bari U.; Baylor U.; Beihang U.; Beijing, Inst. High Energy Phys.; Belgrade U.; Bethel Coll.; Bhubaneswar, Inst. Phys.; Bhubaneswar, NISER; Bingöl U.; Bogazici U.; Boskovic Inst., Zagreb; Boston U.; Brandenburg Tech. U.; Bristol U.; British U. in Egypt; Brown U.; Brunel U.; Brussels U.; Bucharest, IFIN-HH; Budapest, RMKI; CC, Villeurbanne; CERN; CHEP, Taegu; CINVESTAV, IPN; Cairo, Acad. Sci. Res. Tech.; Caltech; Cantabria Inst. of Phys.; Canterbury U.; Carnegie Mellon U.; Catania U.; Catania, CSFNSM; Catholic U. America; Charles U.; Chonnam Natl. U.; Chulalongkorn U.; Colombo U.; Colorado U.; Conacyt, Mexico; Cornell U.; Cukurova U.; Cyprus U.; DESY; Debrecen, Inst. Nucl. Res.; Delhi U.; Democritos Nucl. Res. Ctr.; EKU KRC, Gyongyos; ENEA, Bologna; Ecole Polytechnique; Eotvos U.; Erzincan U.; Fayoum U.; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Florida Inst. Tech.; Florida State U.; Florida U.; Frascati; Fudan U.; GTU, Tbilisi; Gangneung-Wonju Natl. U.; Gent U.; Guglielmo Marconi U.; Hacettepe U.; Hamburg U.; Hanyang U.; Haute Alsace U.; Hefei, CUST; Helsinki Inst. of Phys.; Helsinki U.; Helwan U.; Hyderabad U.; IAS, Julich; IISER, Pune; INFN, Bari; INFN, Bologna; INFN, Catania; INFN, Florence; INFN, Genoa; INFN, Milan Bicocca; INFN, Naples; INFN, Padua; INFN, Pavia; INFN, Perugia; INFN, Pisa; INFN, Rome; INFN, Trieste; INFN, Turin; IP2I, Lyon; IPM, Tehran; IRFU, Saclay; Iberoamericana U.; Illinois U., Chicago; Imperial Coll., London; Indian Inst. Tech., Bhubaneswar; Indian Inst. Tech., Madras; Inst. Scintill. Mat., Kharkiv; Ioannina U.; Iowa U.; Isfahan Tech. U.; Istanbul Tech. U.; Istanbul U.; Istinye U., Istanbul; Johns Hopkins U.; KIT, Karlsruhe, EKP; KIT, Karlsruhe, IKP; Kafkas U.; Kansas State U.; Kansas U.; Karamanoglu Mehmetbey U., Karaman; Kharkov, KIPT; Korea U.; Kuwait U.; Kyung Hee U.; LIP, Lisbon; Lappeenranta U. Tech.; Louvain U.; Louvain U., CP3; MIT; Madrid, Autonoma U.; Madrid, CIEMAT; Malaya U.; Marmara U.; Maryland U.; Middle East Tech. U., Ankara; Minnesota U.; Monash U.; Montenegro U.; NCBJ, Swierk; NICPB, Tallinn; Nanjing Normal U.; Naples U.; Natl. Tech. U., Athens; Naval Academy, Annapolis; Nebraska U.; Northeastern U.; Northwestern U.; Notre Dame U.; Ohio State U.; Oviedo U.; PSI, Villigen; Panjab U.; Peking U.; Perugia U.; Pisa U.; Pisa, Scuola Normale Superiore; Princeton U.; Puebla U., Inst. Fis.; Puerto Rico U., Mayaguez; Purdue U.; Purdue U., Calumet; Quaid-i-Azam U.; Rice U.; Riga Tech. U.; Rio Grande do Sul U.; Rio de Janeiro State U.; Rio de Janeiro, CBPF; Rochester U.; Rome U.; Ruhuna U.; Rutgers U., Piscataway; Rutherford; SUNY, Buffalo; SYSU, Guangzhou; Saha Inst.; San Francisco de Quito U.; Sejong U.; Seoul Natl. U.; Seoul U.; Sharif U. of Tech.; Sinop U.; Sofiya U.; Sofiya, Inst. Nucl. Res.; Sonora U.; South China Normal U.; Southampton U.; Split Tech. U.; Split U.; Stefan Meyer Inst. Subatomare Phys.; Strasbourg, IPHC; Suez Canal U.; Sungkyunkwan U.; TIFR, Mumbai, DHEP; TU Vienna; Taiwan, Natl. Central U.; Taiwan, Natl. Taiwan U.; Tarapaca U.; Tashkent, IYF; Tata Inst.; Tbilisi State U.; Tennessee U.; Texas A&M U. Qatar, Doha; Texas A-M; Texas Tech.; Tsinghua U., Beijing; Turin U.; U. Campinas; U. Debrecen, Inst. Phys.; U. Urbino (main); UC, Davis; UC, Riverside; UC, San Diego; UC, Santa Barbara; UCAS, Beijing; UCLA; USTM, Behshahr; Univ. of Colorado, Boulder, CO (United States); University Coll., Dublin; Unlisted; VINCA Inst. Nucl. Sci., Belgrade; Vanderbilt U.; Vienna, OAW; Vilnius U.; Virginia U.; Visva Bharati U.; Vrije U., Brussels; Warsaw U.; Warsaw U. of Tech.; Wayne State U.; Wisconsin U., Madison; Yerevan Phys. Inst.; Yildiz Tech. U.; Yonsei U.; Zhejiang U.; Zurich U.; Zurich, ETH
- Sponsoring Organization:
- US Department of Energy; USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- 89243024CSC000002; SC0010005
- OSTI ID:
- 3007080
- Alternate ID(s):
- OSTI ID: 2406074
- Report Number(s):
- CERN-EP-2024-179; CMS-HIG-19-011; FERMILAB-PUB-24-0370-CMS
- Journal Information:
- Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 2 Vol. 2025; ISSN 1029-8479
- Publisher:
- Springer NatureCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Similar Records
Search for $\mathrm{t\overline{t}}$H production in the H $\rightarrow$ $\mathrm{b\overline{b}}$ decay channel with leptonic $\mathrm{t\overline{t}}$ decays in proton-proton collisions at $\sqrt{s} =$ 13 TeV
Journal Article
·
Mon Mar 04 19:00:00 EST 2019
· Journal of High Energy Physics (Online)
·
OSTI ID:1439078