Measurement of normalized differential $$ \mathrm{t}\overline{\mathrm{t}} $$ cross sections in the dilepton channel from pp collisions at $$ \sqrt{s}=13 $$ TeV
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Normalized differential cross sections for top quark pair production are measured in the dilepton (e$$^{+}$$e$$^{−}$$, μ$$^{+}$$μ$$^{−}$$, and μ$$^{∓}$$e$$^{±}$$) decay channels in proton-proton collisions at a center-of-mass energy of 13 TeV. The measurements are performed with data corresponding to an integrated luminosity of 2.1 fb$$^{−1}$$ using the CMS detector at the LHC. The cross sections are measured differentially as a function of the kinematic properties of the leptons, jets from bottom quark hadronization, top quarks, and top quark pairs at the particle and parton levels. The results are compared to several Monte Carlo generators that implement calculations up to next-to-leading order in perturbative quantum chromodynamics interfaced with parton showering, and also to fixed-order theoretical calculations of top quark pair production up to next-to-next-to-leading order.
- Research Organization:
- Helsinki Inst. of Phys.; Florida U.; Piri Reis U., Istanbul; Rutherford; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Strasbourg, IPHC; Naples U.; Brown U.; MIT; PSI, Villigen; U. Campinas; Rochester U.; Bologna U.; Seoul Natl. U.; Serpukhov, IHEP; Indian Inst. Tech., Bhubaneswar; Carnegie Mellon U.; Vrije U., Brussels; UCLA; Aachen, Tech. Hochsch.; NCBJ, Swierk; Dubna, JINR; Bingöl U.; IISER, Pune; Democritos Nucl. Res. Ctr.; IIUM, Kuala Lumpur; Northeastern U.; UC, Santa Barbara; Erzincan U.; Cag U., Mersin; Chonnam Natl. U.; Belgrade U.; Minsk, Inst. Nucl. Problems; Taiwan, Natl. Taiwan U.; Conacyt, Mexico; UC, Davis; INFN, Pavia; Bari U.; Iowa U.; Moscow Phys. Eng. Inst.; Charles U.; Notre Dame U.; Peking U.; Lebedev Inst.; British U. in Egypt; Ruhuna U.; Isfahan Tech. U.; BeiHang U.; Ecole Polytechnique; Budapest, RMKI; Panjab U.; NICPB, Tallinn; Iberoamericana U.; Kansas State U.; Wayne State U.; Mimar Sinan U.; St. Petersburg Polytechnic Inst.; Rome U.; Split Tech. U.; VINCA Inst. Nucl. Sci., Belgrade; INFN, Naples; Quaid-i-Azam U.; LIP, Lisbon; Cantabria Inst. of Phys.; San Luis Potosi U.; Catholic U. America; Middle East Tech. U., Ankara; Chonbuk Natl. U.; Lyon, IPN; Canterbury U.; Indian Inst. Tech., Madras; Sofiya, Inst. Nucl. Res.; UC, Riverside; Princeton U.; U. Bern, AEC; Baylor U.; University Coll., Dublin; Purdue U., Calumet; Korea U.; Novosibirsk, IYF; Wisconsin U., Madison; Beykent U.; Imperial Coll., London; Cairo, Acad. Sci. Res. Tech.; Texas A-M; Boskovic Inst., Zagreb; Mississippi U.; IPM, Tehran; Genoa U.; Seoul U.; Minnesota U.; U. Debrecen, Inst. Phys.; CERN; Inst. Scintill. Mat., Kharkiv; Delhi U.; Rockefeller U.; Helsinki U.; Catania U.; Bristol U.; Moscow, INR; DESY; Rio de Janeiro State U.; INFN, Perugia; Trieste U.; Novosibirsk State U.; Zurich, ETH; Basilicata U., Potenza; Cukurova U.; Istanbul Aydin U.; Brunel U.; Colorado U.; Fayoum U.; Yerevan Phys. Inst.; Moscow State U.; Haute Alsace U.; St. Petersburg, INP; ABC Federal U.; Bangalore, Indian Inst. Sci.; Florence U.; INFN, Genoa; Rio de Janeiro, CBPF; Taiwan, Natl. Central U.; Kafkas U.; Southampton U.; Split U.; Beijing, Inst. High Energy Phys.; INFN, Padua; INFN, Bari; CC, Villeurbanne; Pisa, Scuola Normale Superiore; Pavia U.; Warsaw U.; Istanbul, Tech. U.; Purdue U.; Tbilisi State U.; Perugia U.; Madrid, Autonoma U.; INFN, Pisa; Texas Tech.; Helwan U.; Moscow, MIPT; Virginia U.; Ohio State U.; Ain Shams U., Cairo; Bari Polytechnic; Hamburg U.; MOSTI, Malaysian Nucl. Agency, Kajang; Istanbul U.; Sungkyunkwan U.; UC, San Diego; Brandenburg Tech. U.; Auckland U.; Cornell U.; Kansas U.; Adiyaman U.; Islamic Azad U., Sci. Res. Branch, Tehran; Vienna, OAW; CINVESTAV, IPN; Florida State U.; Milan Bicocca U.; Saha Inst.; U. Mons; Izmir Inst. Tech.; Utah Valley U.; SUNY, Buffalo; IAC, La Laguna; Andes U., Bogota; Cyprus U.; KIT, Karlsruhe, EKP; Turin U.; Sao Paulo, IFT; INFN, Bologna; Caltech; Nebraska U.; Tennessee U.; Piemonte Orientale U., Novara; Florida Intl. U.; Guglielmo Marconi U.; Bhubaneswar, Inst. Phys.; Hanyang U.; Brussels U.; Marmara U.; Sinop U.; Lappeenranta U. Tech.; Siena U.; Ioannina U.; Puebla U., Inst. Fis.; Louvain U.; INFN, Turin; Madrid, CIEMAT; Antwerp U.; Bhubaneswar, NISER; Gent U.; Alabama U.; IRFU, Saclay; Pelotas U.; Necmettin Erbakan U., Konya; Northwestern U.; Istanbul Bilgi U.; Florida Inst. Tech.; TIFR, Mumbai, DHEP; Riga Tech. U.; INFN, Florence; Gaziosmanpasa U.; Maryland U.; Rutgers U., Piscataway; Kharkov, KIPT; Rice U.; INFN, Rome; Warsaw U. of Tech.; Zurich U.; Boston U.; Vanderbilt U.; Frascati; Yazd U.; Bhabha Atomic Res. Ctr.; Illinois U., Chicago; Athens U.; Zewail City Sci. Technol., Giza; Puerto Rico U., Mayaguez; Chulalongkorn U.; Johns Hopkins U.; Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Debrecen, Inst. Nucl. Res.; Mersin U.; CHEP, Taegu; GTU, Tbilisi; INFN, Catania; Pisa U.; Visva Bharati U.; Sofiya U.; San Francisco de Quito U.; Eotvos U.; INFN, Milan Bicocca; Malaya U.; Moscow, ITEP; Oviedo U.; Texas A&M U. Qatar, Doha; Vilnius U.; TU Vienna; Bogazici U.; Padua U.; INFN, Trieste
- Sponsoring Organization:
- US Department of Energy
- Grant/Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1390192
- Report Number(s):
- CMS-TOP-16-007; CERN-EP-2017-120; FERMILAB-PUB-17-364-CMS; oai:inspirehep.net:1620050; arXiv:1708.07638
- Journal Information:
- JHEP, Journal Name: JHEP Vol. 04
- Country of Publication:
- United States
- Language:
- English
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