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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/128932
Title: 
Differential cross section measurements for the production of a W boson in association with jets in proton-proton collisions at √s=7 TeV
Author(s): 
Institution: 
  • Yerevan Phys Inst
  • 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)
  • Inst Nucl Energy Res
  • Univ Sofia
  • Inst High Energy Phys
  • Peking Univ
  • Univ Los Andes
  • Tech Univ Split
  • Univ Split
  • Inst Rudjer Boskov
  • Univ Cyprus
  • Charles Univ Prague
  • Acad Sci Res &Technol
  • NICPB
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  • Helsinki Inst Phys
  • Lappeenranta Univ Technol
  • CEA Saclay
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  • Ctr Calcul Inst Natl Phys Nucl &Phys Particules
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  • Univ Hamburg
  • Inst Expt Kernphys
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  • Univ Ioannina
  • Wigner Res Ctr Phys
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  • Natl Inst Sci Educ &Res
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  • Saha Inst Nucl Phys
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  • Natl Ctr Nucl Res
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  • Lab Instrumentacao &Fis Expt Particulas
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ISSN: 
0370-2693
Sponsorship: 
  • BMWFW (Austria)
  • FWF (Austria)
  • FNRS (Belgium)
  • FWO (Belgium)
  • 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)
  • MES (Bulgaria)
  • CERN
  • CAS (China)
  • MOST (China)
  • NSFC (China)
  • COLCIENCIAS (Colombia)
  • MSES (Croatia)
  • CSF (Croatia)
  • RPF (Cyprus)
  • MoER (Estonia)
  • ERC IUT (Estonia)
  • ERDF (Estonia)
  • Academy of Finland (Finland)
  • MEC (Finland)
  • HIP (Finland)
  • CEA (France)
  • CNRS/IN2P3 (France)
  • BMBF (Germany)
  • DFG (Germany)
  • HGF (Germany)
  • GSRT (Greece)
  • OTKA (Hungary)
  • NIH (Hungary)
  • DAE (India)
  • DST (India)
  • IPM (Iran)
  • SFI (Ireland)
  • INFN (Italy)
  • NRF (Republic of Korea)
  • WCU (Republic of Korea)
  • LAS (Lithuania)
  • MOE (Malaysia)
  • UM (Malaysia)
  • CINVESTAV (Mexico)
  • CONACYT (Mexico)
  • SEP (Mexico)
  • UASLP-FAI (Mexico)
  • MBIE (New Zealand)
  • PAEC (Pakistan)
  • MSHE (Poland)
  • NSC (Poland)
  • FCT (Portugal)
  • JINR (Dubna)
  • MON (Russia)
  • RosAtom (Russia)
  • RAS (Russia)
  • RFBR (Russia)
  • MESTD (Serbia)
  • SEIDI (Spain)
  • CPAN (Spain)
  • Swiss Funding Agencies (Switzerland)
  • MST (Taipei)
  • ThEPCenter (Thailand)
  • IPST (Thailand)
  • STAR (Thailand)
  • NSTDA (Thailand)
  • TUBITAK (Turkey)
  • TAEK (Turkey)
  • NASU (Ukraine)
  • SFFR (Ukraine)
  • STFC (United Kingdom)
  • DOE (USA)
  • NSF (USA)
  • 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 Scientific and Industrial Research, India
  • HOMING PLUS programme of Foundation For Polish Science
  • European Union, Regional Development Fund
  • Compagnia di San Paolo (Torino)
  • Thalis programme
  • Aristeia programme
  • EU-ESF
  • Greek NSRF
  • National Priorities Research Program by Qatar National Research Fund
Abstract: 
Measurements are reported of differential cross sections for the production of a W boson, which decays into a muon and a neutrino, in association with jets, as a function of several variables, including the transverse momenta (p(T)) and pseudorapidities of the four leading jets, the scalar sum of jet transverse momenta (H-T), and the difference in azimuthal angle between the directions of each jet and the muon. The data sample of pp collisions at a centre-of-mass energy of 7 TeV was collected with the CMS detector at the LHC and corresponds to an integrated luminosity of 5.0 fb (1). The measured cross sections are compared to predictions from Monte Carlo generators, MADGRAPH + PYTHIA and SHERPA, and to next-to-leading-order calculations from BLACKHAT + SHERPA. The differential cross sections are found to be in agreement with the predictions, apart from the p(T) distributions of the leading jets at high p(T) values, the distributions of the H-T at high-H-T and low jet multiplicity, and the distribution of the difference in azimuthal angle between the leading jet and the muon at low values. (C) 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/3.0/).
Issue Date: 
4-Feb-2015
Citation: 
Physics Letters B, v. 741, p. 12-37, 2015.
Time Duration: 
12-37
Publisher: 
Elsevier B.V.
Keywords: 
  • CMS
  • Physics
  • W plus jets
  • Vector boson
  • Jets
  • Electroweak
  • Standard model
Source: 
http://www.sciencedirect.com/science/article/pii/S0370269314008740
URI: 
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/128932
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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