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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/129586
Title: 
Measurements of differential and double-differential Drell-Yan cross sections in proton-proton collisions at root s=8 TeV
Author(s): 
Institution: 
  • Yerevan Phys Inst
  • CERN
  • Inst Hochenergiephys OeAW
  • Natl Ctr Particle &High Energy Phys
  • Univ Antwerp
  • Vrije Univ Brussel
  • Univ Libre Bruxelles
  • Univ Ghent
  • Catholic Univ Louvain
  • Univ Mons
  • Ctr Brasileiro Pesquisas Fis
  • Universidade do Estado do Rio de Janeiro (UERJ)
  • Universidade Estadual Paulista (UNESP)
  • Universidade Federal do ABC (UFABC)
  • Bulgarian Acad Sci
  • Univ Sofia
  • Inst High Energy Phys
  • Peking Univ
  • Univ Los Andes
  • Univ Split
  • Rudjer Boskovic Inst
  • Univ Cyprus
  • Charles Univ Prague
  • Egyptian Network High Energy Phys
  • NICPB
  • Univ Helsinki
  • Helsinki Inst Phys
  • Lappeenranta Univ Technol
  • CEA Saclay
  • Ecole Polytech
  • Univ Haute Alsace Mulhouse
  • CNRS IN2P3
  • Univ Lyon 1
  • Tbilisi State Univ
  • Rhein Westfal TH Aachen
  • DESY
  • Univ Hamburg
  • Inst Expt Kernphys
  • NCSR Demokritos
  • Univ Athens
  • Univ Ioannina
  • Wigner Res Ctr Phys
  • Inst Nucl Res ATOMKI
  • Univ Debrecen
  • Natl Inst Sci Educ &Res
  • Panjab Univ
  • Univ Delhi
  • Saha Inst Nucl Phys
  • Bhabha Atom Res Ctr
  • Tata Inst Fundamental Res
  • Inst Res Fundamental Sci IPM
  • Univ Coll Dublin
  • Ist Nazl Fis Nucl
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  • Politecn Bari
  • Univ Bologna
  • Univ Catania
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  • Univ Naples Federico II
  • Univ Basilicata Potenza
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  • Kyungpook Natl Univ
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  • Quaid I Azam Univ
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  • Univ Warsaw
  • Lab Instrumentacao &Fis Expt Particulas
  • Joint Inst Nucl Res
  • Petersburg Nucl Phys Inst
  • Russian Acad Sci
  • Inst Theoret &Expt Phys
  • PN Lebedev Phys Inst
  • Moscow MV Lomonosov State Univ
  • Univ Belgrade
  • Vinca Inst Nucl Sci
  • Ctr Invest Energet Medioambientales &Tecnol CIEM
  • Univ Autonoma Madrid
  • Univ Oviedo
  • Univ Cantabria
  • Paul Scherrer Inst
  • ETH
  • Univ Zurich
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  • Natl Taiwan Univ
  • Chulalongkorn Univ
  • Cukurova Univ
  • Middle E Tech Univ
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  • Istanbul Tech Univ
  • Kharkov Inst Phys &Technol
  • Univ Bristol
  • Rutherford Appleton Lab
  • Univ London Imperial Coll Sci Technol &Med
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  • Fermilab Natl Accelerator Lab
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  • Univ Tehran
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  • Izmir Inst Technol
  • Necmettin Erbakan Univ
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  • Yildiz Tekn Univ
  • Univ Southampton
  • Argonne Natl Lab
  • Erzincan Univ
  • Texas A&M Univ Qatar
ISSN: 
1434-6044
Sponsorship: 
  • Austrian Federal Ministry of Science, Research and Economy
  • Austrian Science Fund
  • Belgian Fonds de la Recherche Scientifique
  • Fonds voor Wetenschappelijk Onderzoek
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
  • Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
  • Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)
  • Fundação de Amparo à Pesquisa do Estado de São Paulo (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
  • 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, France
  • Commissariat a l'Energie Atomique et aux Energies Alternatives/CEA, France
  • Bundesministerium fur Bildung und Forschung, Deutsche Forschungsgemeinschaft, Germany
  • Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany
  • General Secretariat for Research and Technology, Greece
  • National Scientific Research Foundation, Hungary
  • National Innovation Office, Hungary
  • Department of Atomic Energy, India
  • 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, Republic of Korea
  • National Research Foundation (NRF), Republic of Korea
  • Lithuanian Academy of Sciences
  • Ministry of Education, and University of Malaya (Malaysia)
  • CINVESTAV
  • CONACYT
  • SEP
  • UASLP-FAI
  • Ministry of Business, Innovation and Employment, New Zealand
  • Pakistan Atomic Energy Commission
  • Ministry of Science and Higher Education, Poland
  • 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 and Programa Consolider-Ingenio, 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 l'Industrie et dans l'Agriculture (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 programme of Foundation for Polish Science
  • European Union, Regional Development Fund
  • Compagnia di San Paolo (Torino)
  • Consorzio per la Fisica (Trieste)
  • MIUR (Italy)
  • Thalis programme
  • Aristeia programme
  • EU-ESF
  • Greek NSRF
  • National Priorities Research Program by Qatar National Research Fund
Sponsorship Process Number: 
MIUR (Italy): 20108T4XTM
Abstract: 
Measurements of the differential and double-differential Drell-Yan cross sections in the dielectron and dimuon channels are presented. They are based on proton-proton collision data at root s = 8 TeV recorded with the CMS detector at the LHC and corresponding to an integrated luminosity of 19.7 fb(-1). The measured inclusive cross section in the Z peak region (60-120 GeV), obtained from the combination of the dielectron and dimuon channels, is 1138 +/- 8 (exp) +/- 25 (theo) +/- 30 (lumi) pb, where the statistical uncertainty is negligible. The differential cross section d sigma/dm in the dilepton mass range 15-2000 GeV is measured and corrected to the full phase space. The double-differential cross section d(2)sigma/dm d vertical bar y vertical bar is also measured over the mass range 20 to 1500 GeV and absolute dilepton rapidity from 0 to 2.4. In addition, the ratios of the normalized differential cross sections measured at root s = 7 and 8 TeV are presented. These measurements are compared to the predictions of perturbative QCD at next-to-leading and next-to-next-to-leading (NNLO) orders using various sets of parton distribution functions (PDFs). The results agree with the NNLO theoretical predictions computed with FEWZ 3.1 using the CT10 NNLO and NNPDF2.1 NNLO PDFs. The measured double-differential cross section and ratio of normalized differential cross sections are sufficiently precise to constrain the proton PDFs.
Issue Date: 
9-Apr-2015
Citation: 
European Physical Journal C. New York: Springer, v. 75, n. 147, p. 1-27, 2015.
Time Duration: 
1-27
Publisher: 
Springer
Source: 
http://link.springer.com/article/10.1140%2Fepjc%2Fs10052-015-3364-2
URI: 
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/129586
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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