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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/24142
Title: 
Measurement of the ratio of the 3-jet to 2-jet cross sections in pp collisions at root s=7 TeV
Author(s): 
Institution: 
  • INFN Sez Pisa
  • Univ Pisa
  • Scuola Normale Super Pisa
  • Yerevan Phys Inst
  • Inst Hochenergiephys OeAW
  • CERN
  • Natl Ctr Particle & High Energy Phys
  • Univ Antwerp
  • Vrije Univ Brussel
  • Univ Libre Brussels
  • Univ Ghent
  • Catholic Univ Louvain
  • Univ Mons
  • Centro Brasileiro de Pesquisas Físicas (CBPF)
  • Universidade do Estado do Rio de Janeiro (UERJ)
  • Universidade Estadual Paulista (UNESP)
  • Bulgarian Acad Sci
  • Univ Sofia
  • Inst High Energy Phys
  • Peking Univ
  • Universidad de los Andes
  • Tech Univ Split
  • Universidade Federal do ABC (UFABC)
  • Ecole Polytech
  • Univ Split
  • Rudjer Boskovic Inst
  • Univ Cyprus
  • Charles Univ Prague
  • Acad Sci Res & Technol Arab Republ Egypt
  • Suez Canal Univ
  • British Univ
  • Fayoum Univ
  • NICPB
  • Univ Helsinki
  • Helsinki Inst Phys
  • Lappeenranta Univ Technol
  • IN2P3 CNRS
  • CEA Saclay
  • Soltan Inst Nucl Studies
  • MIT
  • Univ Haute Alsace Mulhouse
  • Univ Haute Alsace
  • Inst Natl Phys Nucl & Phys Particules IN2P3
  • Univ Lyon 1
  • Tbilisi State Univ
  • RWTH Aachen University
  • DESY
  • Brandenburg Tech Univ Cottbus
  • Moscow MV Lomonosov State Univ
  • Univ Hamburg
  • Univ Karlsruhe
  • Inst Nucl Phys Demokritos
  • Univ Athens
  • Univ Ioannina
  • KFKI Res Inst Particle & Nucl Phys
  • Inst Nucl Res ATOMKI
  • Eotvos Lorand Univ
  • Univ Debrecen
  • Panjab Univ
  • University of Delhi
  • Bhabha Atom Res Ctr
  • Tata Inst Fundamental Res EHEP
  • Tata Inst Fundamental Res HECR
  • Univ Visva Bharati
  • Inst Res & Fundamental Sci IPM
  • Sharif Univ Technol
  • Shiraz Univ
  • Isfahan Univ Technol
  • INFN Sez Bari
  • Univ Bari
  • Politecn Bari
  • INFN Sez Bologna
  • Univ Bologna
  • INFN Sez Catania
  • Univ Catania
  • INFN Sez Firenze
  • Univ Florence
  • INFN Lab Nazl Frascati
  • Univ Roma La Sapienza
  • INFN Sez Genova
  • INFN Sez Milano Bicocca
  • Univ Milano Bicocca
  • INFN Sez Napoli
  • Univ Naples Federico II
  • Univ Basilicata
  • INFN Sez Padova
  • Univ Padua
  • Univ Trento Trento
  • Ist Nazl Fis Nucl
  • INFN Sez Pavia
  • Univ Pavia
  • INFN Sez Perugia
  • Univ Perugia
  • INFN Sez Roma
  • INFN Sez Torino
  • Univ Turin
  • Univ Piemonte Orientale Novara
  • INFN Sez Trieste
  • Univ Trieste
  • Kangwon Natl Univ
  • Kyungpook Natl Univ
  • Chonnam Natl Univ
  • Korea University
  • Univ Seoul
  • Sungkyunkwan Univ
  • Vilnius Univ
  • IPN
  • Univ Iberoamer
  • Benemerita Univ Autonoma Puebla
  • Univ Autonoma San Luis Potosi
  • Univ Auckland
  • Univ Canterbury
  • Quaid I Azam Univ
  • Univ Warsaw
  • Lab Instrumentacao & Fis Expt Particulas
  • Joint Inst Nucl Res
  • Petersburg Nucl Phys Inst
  • Russian Acad Sci
  • Institute for Theoretical and Experimental Physics (ITEP)
  • CALTECH
  • PN Lebedev Phys Inst
  • University of Belgrade
  • CIEMAT
  • Univ Autonoma Madrid
  • Univ Oviedo
  • CSIC Univ Cantabria
  • Univ Calif Los Angeles
  • Univ Florida
  • Univ Geneva
  • Paul Scherrer Inst
  • University of Kansas (KU)
  • Swiss Fed Inst Technol
  • Univ Zurich
  • Natl Cent Univ
  • Natl Taiwan Univ
  • Cukurova Univ
  • Gaziosmanpasa Univ
  • Adiyaman Univ
  • Mersin Univ
  • Middle E Tech Univ
  • Bogazici Univ
  • Izmir Inst Technol
  • Kafkas Univ
  • Suleyman Demirel Univ
  • Ege Univ
  • Kharkov Inst Phys & Technol
  • Univ Bristol
  • Rutherford Appleton Lab
  • Univ Southampton
  • Univ London Imperial Coll Sci Technol & Med
  • Brunel Univ
  • Baylor Univ
  • Boston University
  • Brown University
  • Univ Calif Davis
  • University of California, Riverside (UCR)
  • Univ Calif San Diego
  • Univ Calif Santa Barbara
  • Carnegie Mellon Univ
  • Univ Colorado
  • Cornell Univ
  • Fairfield Univ
  • Fermilab Natl Accelerator Lab
  • Florida Int Univ
  • Florida State University
  • Florida Inst Technol
  • Univ Illinois
  • Los Alamos Natl Lab
  • Univ Iowa
  • Erzincan Univ
  • Johns Hopkins Univ
  • Kansas State University
  • Lawrence Livermore Natl Lab
  • University of Maryland
  • Univ Minnesota
  • University of Mississippi
  • Univ Nebraska Lincoln
  • SUNY Buffalo
  • Northeastern University
  • Northwestern University (NU)
  • Univ Notre Dame
  • Ohio State Univ
  • Princeton University
  • Univ Puerto Rico
  • Purdue Univ
  • Purdue University Calumet
  • Rice University
  • University of Rochester
  • Rockefeller Univ
  • Rutgers State Univ
  • Univ Tennessee
  • Texas A&M Univ
  • Texas Tech Univ
  • Vanderbilt Univ
  • University of Virginia (UVA)
  • Wayne State Univ
  • Univ Wisconsin
  • Utah Valley Univ
  • Univ Siena
ISSN: 
0370-2693
Sponsorship: 
  • FMSR (Austria)
  • Fonds de la Recherche Scientifique (FNRS)
  • 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)
  • Organisation Européenne pour la Recherche Nucléaire (CERN)
  • CAS
  • MoST
  • National Natural Science Foundation of China (NSFC)
  • COLCIENCIAS (Colombia)
  • MSES (Croatia)
  • Research Promotion Foundation (RPF)
  • Academy of Sciences
  • National Institute of Chemical Physics and Biophysics (NICPB)
  • Academy of Finland
  • ME
  • Helsinki Institute of Physics (HIP)
  • CEA
  • Institut national de physique nucléaire et de physique des particules (IN2P3/CNRS)
  • Bundesministerium für Bildung und Forschung (BMBF)
  • Deutsche Forschungsgemeinschaft (DFG)
  • HGF (Germany)
  • General Secretariat for Research and Technology (GSRT)
  • OTKA
  • NKTH (Hungary)
  • DAE
  • Department of Science and Technology (DST) - India
  • Institute for Research in Fundamental Sciences (IPM)
  • Science Foundation Ireland (SFI)
  • Istituto Nazionale di Fisica Nucleare (INFN)
  • NRF
  • WCU (Korea)
  • LAS (Lithuania)
  • Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV)
  • Consejo Nacional de Ciencia y Tecnología (CONACYT)
  • SEP
  • UASLP-FAI (Mexico)
  • Pakistan Atomic Energy Commission (PAEC)
  • SCSR (Poland)
  • Fundação para a Ciência e a Tecnologia (FCT)
  • Joint Institute for Nuclear Research (JINR)
  • MST
  • MAE (Russia)
  • Ministry of Science and Technological Development (MSTD) - Serbia
  • MICINN
  • Centro Nacional de Física de Partículas, Astropartículas y Nuclear (CPAN)
  • Swiss Funding Agencies (Switzerland)
  • NSC (Taipei)
  • Scientific and Technological Research Council of Turkey (TUBITAK)
  • Türkiye Atom Enerjisi Kurumu (TAEK)
  • Science and Technology Facilities Council (STFC)
  • Department of Energy (DOE)
  • National Science Foundation (NSF) - USA
Abstract: 
A measurement of the ratio of the inclusive 3-jet to 2-jet cross sections as a function of the total jet transverse momentum. HT, in the range 0.2 < H-T < 2.5 TeV is presented. The data have been collected at a proton-proton centre-of-mass energy of 7 TeV with the CMS detector at the LHC, and correspond to an integrated luminosity of 36 pb(-1). Comparisons are made between the data and the predictions of different QCD-based Monte Carlo models for multijet production. All models considered in this study are consistent with the data for H-T > 0.5 TeV. This measurement extends to an H-T range that has not been explored before. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.
Issue Date: 
26-Aug-2011
Citation: 
Physics Letters B. Amsterdam: Elsevier B.V., v. 702, n. 5, p. 336-354, 2011.
Time Duration: 
336-354
Publisher: 
Elsevier B.V.
Keywords: 
  • CMS
  • Physics
  • QCD
  • Multijets ratio
Source: 
http://dx.doi.org/10.1016/j.physletb.2011.07.067
URI: 
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/24142
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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