Published March 2013
| Version Supplemental Material + Published
Journal Article
Open
Measurement of differential top-quark-pair production cross sections in pp collisions at √s =7 TeV
Abstract
Normalised differential top-quark-pair production cross sections are measured in pp collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector using data recorded in 2011 corresponding to an integrated luminosity of 5.0 fb^(−1). The measurements are performed in the lepton+jets decay channels (e+jets and μ+jets) and the dilepton decay channels (e^+e^−, μ^+μ^−, and μ^±e^∓). The tt differential cross section is measured as a function of kinematic properties of the final-state charged leptons and jets associated to b quarks, as well as those of the top quarks and the tt system. The data are compared with several predictions from perturbative QCD calculations up to approximate next-to-next-to-leading-order precision. No significant deviations from the standard model are observed.
Additional Information
© 2013 CERN for the benefit of the CMS collaboration. Received: 10 November 2012. Revised: 28 January 2013. Published online: 19 March 2013. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. We thank Nikolaos Kidonakis for providing the approximate NNLO calculations and for fruitful discussions, and Li Lin Yang for providing the NLO + NNLL calculation. We congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions to the success of the CMS effort. In addition, we gratefully acknowledge the computing centres and personnel of the Worldwide LHC Computing Grid for delivering so effectively the computing infrastructure essential to our analyses. Finally, we acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: the Austrian Federal Ministry of Science and Research; the Belgian Fonds de la Recherche Scientifique, and Fonds voor Wetenschappelijk Onderzoek; the Brazilian Funding Agencies (CNPq, CAPES, FAPERJ, and FAPESP); the Bulgarian Ministry of Education, Youth and Science; CERN; the Chinese Academy of Sciences, Ministry of Science and Technology, and National Natural Science Foundation of China; the Colombian Funding Agency (COLCIENCIAS); the Croatian Ministry of Science, Education and Sport; the Research Promotion Foundation, Cyprus; the Ministry of Education and Research, Recurrent financing contract SF0690030s09 and European Regional Development Fund, Estonia; the Academy of Finland, Finnish Ministry of Education and Culture, and Helsinki Institute of Physics; the Institut National de Physique Nucléaire et de Physique des Particules/CNRS, and Commissariat à l'Énergie Atomique et aux Énergies Alternatives/CEA, France; the Bundesministerium für Bildung und Forschung, Deutsche Forschungsgemeinschaft, and Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany; the General Secretariat for Research and Technology, Greece; the National Scientific Research Foundation, and National Office for Research and Technology, Hungary; the Department of Atomic Energy and the Department of Science and Technology, India; the Institute for Studies in Theoretical Physics and Mathematics, Iran; the Science Foundation, Ireland; the Istituto Nazionale di Fisica Nucleare, Italy; the Korean Ministry of Education, Science and Technology and the World Class University program of NRF, Korea; the Lithuanian Academy of Sciences; the Mexican Funding Agencies (CINVESTAV, CONACYT, SEP, and UASLP-FAI); the Ministry of Science and Innovation, New Zealand; the Pakistan Atomic Energy Commission; the Ministry of Science and Higher Education and the National Science Centre, Poland; the Fundação para a Ciência e a Tecnologia, Portugal; JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); the Ministry of Education and Science of the Russian Federation, the , Russian Academy of Sciences, and the Russian Foundation for Basic Research; the Ministry of Science and Technological Development of Serbia; the Secretaría de Estado de Investigación, Desarrollo e Innovación and Programa Consolider-Ingenio 2010, Spain; the Swiss Funding Agencies (ETH Board, ETH Zurich, PSI, SNF, UniZH, Canton Zurich, and SER); the National Science Council, Taipei; the Thailand Center of Excellence in Physics, the Institute for the Promotion of Teaching Science and Technology and National Electronics and Computer Technology Center; the Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authority; the Science and Technology Facilities Council, UK; the US Department of Energy, and the US National Science Foundation. Individuals have received support from the Marie-Curie programme and the European Research Council (European Union); the Leventis Foundation; the A.P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of Czech Republic; the Council of Science and Industrial Research, India; the Compagnia di San Paolo (Torino); and the HOMING PLUS programme of Foundation for Polish Science, cofinanced from European Union, Regional Development Fund.Attached Files
Published - 10.1140_epjc_s10052-013-2339-4.pdf
Supplemental Material - 10052_2013_2339_MOESM1_ESM.pdf
Files
10.1140_epjc_s10052-013-2339-4.pdf
Additional details
Identifiers
- Eprint ID
- 38851
- Resolver ID
- CaltechAUTHORS:20130607-094238695
Funding
- Austrian Federal Ministry of Science and Research
- Belgian Fonds de la Recherche Scientifique
- Fonds voor Wetenschappelijk Onderzoek
- CNPq (Brazil)
- CAPES (Brazil)
- FAPERJ (Brazil)
- FAPESP (Brazil)
- Bulgarian Ministry of Education, Youth and Science
- CERN
- Chinese Academy of Sciences
- Ministry of Science and Technology
- National Natural Science Foundation of China
- COLCIENCIAS (Colombia)
- Croatian Ministry of Science, Education and Sport
- Research Promotion Foundation, Cyprus
- Ministry of Education and Research
- SF0690030s09
- European Regional Development Fund, Estonia
- Academy of Finland
- Finnish Ministry of Education and Culture, and Helsinki Institute of Physics
- Institut National de Physique Nucléaire et de Physique des Particules/CNRS
- Commissariat à l'Energie Atomique et aux Énergies Alternatives/CEA, France
- Bundesministerium für Bildung und Forschung
- Deutsche Forschungsgemeinschaft (Germany)
- Helmholtz-Gemeinschaft Deutscher Forschungszentren (Germany)
- General Secretariat for Research and Technology (Greece)
- National Scientific Research Foundation, and National Office for Research and Technology (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 (KOREA)
- Lithuanian Academy of Sciences
- CINVESTAV (Mexico)
- CONACyT (Mexico)
- SEP and UASLP-FAI (Mexico)
- Ministry of Science and Innovation, New Zealand
- Pakistan Atomic Energy Commission
- Ministry of Science and Higher Education and the National Science Centre, Poland
- Fundação para a Ciência e a Tecnologia, Portugal
- JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan)
- 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 Science and Technological Development of Serbia
- Secretaría de Estado de Investigación, Desarrollo e Innovación and Programa Consolider-Ingenio 2010, Spain
- ETH Board
- ETH Zurich
- PSI
- SNF
- UniZH
- Canton Zurich
- SER
- National Science Council, Taipei
- Thailand center of Excellence in Physics
- Institute for the Promotion of Teaching Science and Technology and National Electronics and Computer Technology Center
- Scientific and Technical Research Council of Turkey and Turkish Atomic Energy Authority
- Science and Technology Facilities Council (United Kingdom)
- Department of Energy (DOE)
- NSF
- Marie-Curie programme and the European Research Council (European Union)
- Leventis Foundation
- A.P. Sloan Foundation
- Alexander von Humboldt Foundation
- Belgian Federal Science Policy Office
- Fonds pour la Formation à la Recherche dans l'índustrie et dans l'Ágriculture (FRIA-Belgium)
- Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
- Ministry of Education, Youth and Sports (MEYS) of Czech Republic
- Council of Science and Industrial Research, India
- Compagnia di San Paolo (Torino)
- HOMING PLUS programme of Foundation for Polish Science
- European Union
- Regional Development Fund
Dates
- Created
-
2013-06-07Created from EPrint's datestamp field
- Updated
-
2021-11-09Created from EPrint's last_modified field
Caltech Custom Metadata
- Caltech groups
- CMS@Caltech , Physics Department