Measurement of the ratio of inclusive jet cross sections using the anti-k(T) algorithm with radius parameters R=0.5 and 0.7 in pp collisions at root s=7 TeV
CMS Collaboration (ukupan broj autora: 2211)
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Measurements of the inclusive jet cross section with the anti-k(T) clustering algorithm are presented for two radius parameters, R = 0.5 and 0.7. They are based on data from LHC proton-proton collisions at root s = 7 TeV corresponding to an integrated luminosity of 5.0 fb(-1) collected with the CMS detector in 2011. The ratio of these two measurements is obtained as a function of the rapidity and transverse momentum of the jets. Significant discrepancies are found comparing the data to leading-order simulations and to fixed-order calculations at next-to-leading order, corrected for nonperturbative effects, whereas simulations with next-to-leading-order matrix elements matched to parton showers describe the data best.
Извор:Physical Review D, 2014, 90, 7
- Austrian Federal Ministry of Science, Research and Economy, Austrian Science Fund, Belgian Fonds de la Recherche Scientifique, Fonds voor Wetenschappelijk Onderzoek, Brazilian Funding Agency (CNPq), Brazilian Funding Agency (CAPES), Brazilian Funding Agency (FAPERJ), Brazilian Funding Agency (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, 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, and 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, Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany, General Secretariat for Research and Technology, Greece, National Scientific Research Foundation, National Innovation Office, Hungary, Department of Atomic Energy and the Department of Science and Technology, India, Institute for Studies in Theoretical Physics and Mathematics, Iran, Science Foundation, Ireland, Istituto Nazionale di Fisica Nucleare, Italy, Korean Ministry of Education, Science and Technology and the World Class University program of NRF, Republic of Korea, Lithuanian Academy of Sciences, Ministry of Education, and University of Malaya (Malaysia), Mexican Funding Agency (CINVESTAV), Mexican Funding Agency (CONACYT), Mexican Funding Agency (SEP), Mexican Funding Agency (UASLPFAI), Ministry of Business, Innovation and Employment, New Zealand, Pakistan Atomic Energy Commission, Ministry of Science and Higher Education and the 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, Ministry of Education, Science and Technological Development of Serbia, Secretaria de Estado de Investigacion, Desarrollo e Innovacion, Programa Consolider-Ingenio, Spain, Swiss Funding Agency (ETH Board), Swiss Funding Agency (ETH Zurich), Swiss Funding Agency (PSI), Swiss Funding Agency (SNF), Swiss Funding Agency (UniZH), Swiss Funding Agency (SER), Swiss Funding Agency (Canton Zurich), 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, U. S. Department of Energy, U.S. National Science Foundation, Marie-Curie program, 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 Science and Industrial Research, India, HOMING PLUS program of the Foundation for Polish Science, European Union, Regional Development Fund, Compagnia di San Paolo (Torino), Thalis program, Aristeia program, EU-ESF, Greek NSRF