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Austrian Federal Ministry of Science, Research and Economy, Austrian Science Fund, Belgian Fonds de la Recherche Scientifique, Fonds voor Wetenschappelijk Onderzoek, CNPq, CAPES, FAPERJ, FAPESP, Bulgarian Ministry of Education and Science, CERN, Chinese Academy of Sciences, Ministry of Science and Technology, National Natural Science Foundation of China, Colombian Funding Agency (COLCIENCIAS), Croatian Ministry of Science, Education and Sport, Croatian Science Foundation, Research Promotion Foundation, Cyprus, Secretariat for Higher Education, Science, Technology and Innovation, Ecuador, Ministry of Education and Research, Estonian Research Council [IUT23-4, IUT23-6], European Regional Development Fund, Estonia, Academy of Finland, Finnish Ministry of Education and Culture, Helsinki Institute of Physics, Institut National de Physique Nucleaire et de Physique des Particules/CNRS, Commissariat a lEnergie Atomique et aux Energies Alternatives/CEA, France, Bundesministerium fur Bildung und Forschung, Deutsche Forschungsgemeinschaft, Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany, General Secretariat for Research and Technology, Greece, National Scientific Research Foundation, National Innovation Office, Hungary, Department of Atomic Energy, Department of Science and Technology, India, Institute for Studies in Theoretical Physics and Mathematics, Iran, Science Foundation, Ireland, Istituto Nazionale di Fisica Nucleare, Italy, Ministry of Science, ICT and Future Planning, National Research Foundation (NRF), Republic of Korea, Lithuanian Academy of Sciences, Ministry of Education, University of Malaya (Malaysia), BUAP, CINVESTAV, CONACYT, LNS, SEP, UASLP-FAI, Ministry of Business, Innovation and Employment, New Zealand, Pakistan Atomic Energy Commission, Ministry of Science and Higher Education, National Science Centre, Poland, Fundacao para a Ciencia e a Tecnologia, Portugal, JINR, Dubna, Ministry of Education and Science of the Russian Federation, Federal Agency of Atomic Energy of the Russian Federation, Russian Academy of Sciences, Russian Foundation for Basic Research, Russian Competitiveness Program of NRNU MEPhI, Ministry of Education, Science and Technological Development of Serbia, Secretaria de Estado de Investigacion, Desarrollo e Innovacioln, Programa Consolider-Ingenio, Plan de Ciencia, Tecnologia e Innovacion del Principado de Asturias, Fondo Europeo de Desarrollo Regional, Spain, ETH Board, ETH Zurich, PSI, SNF, UniZH, Canton Zurich, SER, Ministry of Science and Technology, Taipei, Thailand Center of Excellence in Physics, Institute for the Promotion of Teaching Science and Technology of Thailand, Special Task Force for Activating Research, National Science and Technology Development Agency of Thailand, Scientific and Technical Research Council of Turkey, Turkish Atomic Energy Authority, National Academy of Sciences of Ukraine, State Fund for Fundamental Researches, Ukraine, Science and Technology Facilities Council, UK, US Department of Energy, US National Science Foundation, Marie-Curie programme, European Research Council, EPLANET(European Union), Leventis Foundation, A.P. Sloan Foundation, Alexander von Humboldt Foundation, Belgian Federal Science Policy Office, Fonds pour la Formation a la Recherche dans lIndustrie et dans lAgriculture (FRIA-Belgium), Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium), Ministry of Education, Youth and Sports (MEYS) of the Czech Republic, Council of Scientific and Industrial Research, India, HOMING PLUS programme of the Foundation for Polish Science - European Union, Mobility Plus programme of the Ministry of Science and Higher Education, National Science Center (Poland) [2014/14/M/ST2/00428, Opus 2014/13/B/ST2/02543, 2014/15/B/ST2/03998, 2015/19/B/ST2/02861, Sonata-bis 2012/07/E/ST2/01406], National Priorities Research Program by Qatar National Research Fund, Programa Clarin-COFUND del Principado de Asturias, Thalis program - EU-ESF, Aristeia program - EU-ESF, Greek NSRF, Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University, Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand), Welch Foundation [C-1845]

Authors

Publications

Measurement of double-differential cross sections for top quark pair production in pp collisions at root s=8 TeV and impact on parton distribution functions

Sirunyan, A. M.; Adžić, Petar; Ćirković, Predrag; Devetak, Damir; Đorđević, Miloš; Milošević, Jovan; Reković, Vladimir; Milenović, Predrag

(2017) 

TY  - JOUR
AU  - Sirunyan, A. M.
AU  - Adžić, Petar
AU  - Ćirković, Predrag
AU  - Devetak, Damir
AU  - Đorđević, Miloš
AU  - Milošević, Jovan
AU  - Reković, Vladimir
AU  - Milenović, Predrag
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1637
AB  - Normalized double-differential cross sections for top quark pair (t (t) over bar) production are measured in pp collisions at a centre-of-mass energy of 8 TeV with the CMS experiment at the LHC. The analyzed data correspond to an integrated luminosity of 19.7 fb(-1). The measurement is performed in the dilepton e(+/-)mu(+/-) final state. The tt cross section is determined as a function of various pairs of observables characterizing the kinematics of the top quark and tt system. The data are compared to calculations using perturbative quantum chromodynamics at next-to-leading and approximate next-to-next-to-leading orders. They are also compared to predictions of Monte Carlo event generators that complement fixed-order computations with parton showers, hadronization, and multiple-parton interactions. Overall agreement is observed with the predictions, which is improved when the latest global sets of proton parton distribution functions are used. The inclusion of the measured tt cross sections in a fit of parametrized parton distribution functions is shown to have significant impact on the gluon distribution.
T2  - European Physical Journal C. Particles and Fields
T1  - Measurement of double-differential cross sections for top quark pair production in pp collisions at root s=8 TeV and impact on parton distribution functions
VL  - 77
IS  - 7
DO  - 10.1140/epjc/s10052-017-4984-5
ER  - 
@article{
author = "Sirunyan, A. M. and Adžić, Petar and Ćirković, Predrag and Devetak, Damir and Đorđević, Miloš and Milošević, Jovan and Reković, Vladimir and Milenović, Predrag",
year = "2017",
abstract = "Normalized double-differential cross sections for top quark pair (t (t) over bar) production are measured in pp collisions at a centre-of-mass energy of 8 TeV with the CMS experiment at the LHC. The analyzed data correspond to an integrated luminosity of 19.7 fb(-1). The measurement is performed in the dilepton e(+/-)mu(+/-) final state. The tt cross section is determined as a function of various pairs of observables characterizing the kinematics of the top quark and tt system. The data are compared to calculations using perturbative quantum chromodynamics at next-to-leading and approximate next-to-next-to-leading orders. They are also compared to predictions of Monte Carlo event generators that complement fixed-order computations with parton showers, hadronization, and multiple-parton interactions. Overall agreement is observed with the predictions, which is improved when the latest global sets of proton parton distribution functions are used. The inclusion of the measured tt cross sections in a fit of parametrized parton distribution functions is shown to have significant impact on the gluon distribution.",
journal = "European Physical Journal C. Particles and Fields",
title = "Measurement of double-differential cross sections for top quark pair production in pp collisions at root s=8 TeV and impact on parton distribution functions",
volume = "77",
number = "7",
doi = "10.1140/epjc/s10052-017-4984-5"
}
Sirunyan, A. M., Adžić, P., Ćirković, P., Devetak, D., Đorđević, M., Milošević, J., Reković, V.,& Milenović, P.. (2017). Measurement of double-differential cross sections for top quark pair production in pp collisions at root s=8 TeV and impact on parton distribution functions. in European Physical Journal C. Particles and Fields, 77(7).
https://doi.org/10.1140/epjc/s10052-017-4984-5
Sirunyan AM, Adžić P, Ćirković P, Devetak D, Đorđević M, Milošević J, Reković V, Milenović P. Measurement of double-differential cross sections for top quark pair production in pp collisions at root s=8 TeV and impact on parton distribution functions. in European Physical Journal C. Particles and Fields. 2017;77(7).
doi:10.1140/epjc/s10052-017-4984-5 .
Sirunyan, A. M., Adžić, Petar, Ćirković, Predrag, Devetak, Damir, Đorđević, Miloš, Milošević, Jovan, Reković, Vladimir, Milenović, Predrag, "Measurement of double-differential cross sections for top quark pair production in pp collisions at root s=8 TeV and impact on parton distribution functions" in European Physical Journal C. Particles and Fields, 77, no. 7 (2017),
https://doi.org/10.1140/epjc/s10052-017-4984-5 . .
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