Search for physics beyond the standard model in top quark production with additional leptons in the context of effective field theory
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A search for new physics in top quark production with additional final-state leptons is performed using data collected by the CMS experiment in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV at the LHC during 2016–2018. The data set corresponds to an integrated luminosity of 138 fb$$^{−1}$$. Using the framework of effective field theory (EFT), potential new physics effects are parametrized in terms of 26 dimension-six EFT operators. The impacts of EFT operators are incorporated through the event-level reweighting of Monte Carlo simulations, which allows for detector-level predictions. The events are divided into several categories based on lepton multiplicity, total lepton charge, jet multiplicity, and b-tagged jet multiplicity. Kinematic variables corresponding to the transverse momentum (p$$_{T}$$) of the leading pair of leptons and/or jets as well as the p$$_{T}$$ of on-shell Z bosons are used to extract the 95% confidence intervals of the 26 Wilson coefficients corresponding to these EFT operators. No significant deviation with respect to the standard model prediction is found.[graphic not available: see fulltext]
- Research Organization:
- Ruhuna U.; Sofiya, Inst. Nucl. Res.; Wisconsin U., Madison; Ioannina U.; INFN, Bologna; Conacyt, Mexico; Boskovic Inst., Zagreb; Colorado U.; Haute Alsace U.; Colombo U.; AGH-UST, Cracow; Charles U.; USTM, Behshahr; Alabama U.; Saha Inst.; Princeton U.; Andes U., Bogota; Middle East Tech. U., Ankara; EKU KRC, Gyongyos; Turin U.; Sharif U. of Tech.; Hefei, CUST; Rockefeller U.; Helwan U.; Maryland U.; Brunel U.; GTU, Tbilisi; Perugia U.; Fayoum U.; Boston U.; CINVESTAV, IPN; Montenegro U.; University Coll., Dublin; Illinois U., Chicago; INFN, Pisa; Kansas U.; Rice U.; Cukurova U.; Texas A&M U. Qatar, Doha; U. Debrecen, Inst. Phys.; Monash U.; Delhi U.; Imperial Coll., London; Annecy, LAPP; Tarapaca U.; INFN, Genoa; Sonora U.; INFN, Milan Bicocca; Naval Academy, Annapolis; Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Adiyaman U.; Lappeenranta U. Tech.; Unlisted; Kansas State U.; Carnegie Mellon U.; UC, San Diego; Brandenburg Tech. U.; INFN, Catania; Isfahan Tech. U.; INFN, Legnaro; Purdue U.; Sinop U.; Frascati; Split U.; IPM, Tehran; Texas Tech.; UCLA; Madrid, CIEMAT; Naples U.; Indian Inst. Tech., Bhubaneswar; INFN, Naples; Cornell U.; Indian Inst. Tech., Madras; KIT, Karlsruhe, IKP; Vanderbilt U.; DESY; Aachen, Tech. Hochsch.; Ecole Polytechnique; Panjab U.; Bhubaneswar, Inst. Phys.; Brown U.; SYSU, Guangzhou; Debrecen, Inst. Nucl. Res.; INFN, Rome; Kharkov, KIPT; Democritos Nucl. Res. Ctr.; Yildiz Tech. U.; NICPB, Tallinn; Purdue U., Calumet; KIT, Karlsruhe, EKP; Mississippi U.; IRFU, Saclay; Riga Tech. U.; Sofiya U.; Vrije U., Brussels; Necmettin Erbakan U., Konya; Seoul Natl. U.; TU Vienna; Karamanoglu Mehmetbey U., Karaman; Tsinghua U., Beijing; LIP, Lisbon; Tennessee U.; Quito, Escuela Politecnica Natl.; Budapest, RMKI; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Beijing, Inst. High Energy Phys.; Puebla U., Inst. Fis.; Ain Shams U., Cairo; Yerevan Phys. Inst.; Marmara U.; PSI, Villigen; Peking U.; Antioquia U.; Cairo, Acad. Sci. Res. Tech.; Canterbury U.; SUNY, Buffalo; CHEP, Taegu; Antwerp U.; Baylor U.; Strasbourg, IPHC; Bucharest, IFIN-HH; Ohio State U.; Fudan U.; Malaya U.; Chulalongkorn U.; Messina U.; Yonsei U.; Sejong U.; Zhejiang U.; Kafkas U.; British U. in Egypt; Nanjing Normal U.; Rutgers U., Piscataway; Natl. Tech. U., Athens; Bhubaneswar, NISER; Vienna, OAW; Brussels U.; Tashkent, IYF; Eotvos U.; UC, Davis; Warsaw U.; Chonnam Natl. U.; Taiwan, Natl. Central U.; Heidelberg U.; Iberoamericana U.; Zurich U.; Seoul U.; Cantabria Inst. of Phys.; Madrid, Autonoma U.; Notre Dame U.; INFN, Bari; Bogazici U.; Rio de Janeiro State U.; Erzincan U.; NCBJ, Swierk; Minnesota U.; Catholic U. America; Taiwan, Natl. Taiwan U.; Kyung Hee U.; Puerto Rico U., Mayaguez; IAS, Julich; Guglielmo Marconi U.; INFN, Perugia; Bingöl U.; Athens U.; Pisa, Scuola Normale Superiore; U. Campinas; Sungkyunkwan U.; Stefan Meyer Inst. Subatomare Phys.; ABC Federal U.; Nebraska U.; Texas A-M; Oviedo U.; CERN; Cairo U.; Zurich, ETH; Split Tech. U.; San Francisco de Quito U.; Korea U.; Virginia U.; Bari U.; INFN, Pavia; Rio de Janeiro, CBPF; Gent U.; IISER, Pune; Iowa U.; Bethel Coll.; AUM, Kuwait; INFN, Trieste; Vilnius U.; INFN, Turin; Florida Inst. Tech.; Beijing, GUCAS; Helsinki U.; Caltech; MIT; Inst. Scintill. Mat., Kharkiv; Northwestern U.; Rochester U.; Visva Bharati U.; Florida U.; Helsinki Inst. of Phys.; Wayne State U.; Florida State U.; Rutherford; Bangalore, Indian Inst. Sci.; Northeastern U.; INFN, Padua; Hamburg U.; Quaid-i-Azam U.; Pisa U.; UC, Santa Barbara; Rio Grande do Sul U.; Louvain U.; IP2I, Lyon; Bristol U.; Hanyang U.; TIFR, Mumbai, DHEP; Istanbul U.; INFN, Florence; Belgrade U.; Southampton U.; Johns Hopkins U.; UC, Riverside; Cyprus U.; ENEA, Bologna
- Sponsoring Organization:
- US Department of Energy
- Grant/Contract Number:
- AC02-07CH11359; 89243024CSC000002
- OSTI ID:
- 1993296
- Report Number(s):
- CMS-TOP-22-006; CERN-EP-2023-124; FERMILAB-PUB-23-398-CMS; oai:inspirehep.net:2683863; arXiv:2307.15761
- Journal Information:
- JHEP, Journal Name: JHEP Vol. 12
- Country of Publication:
- United States
- Language:
- English
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