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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/116229
Title: 
Measurement of the inclusive Z cross section via decays to tau pairs in pp collisions at root s=7 TeV
Author(s): 
Institution: 
  • Yerevan Phys Inst
  • OeAW
  • Natl Ctr Particle & High Energy Phys
  • Univ Antwerp
  • Vrije Univ Brussel
  • Univ Libre Brussels
  • Univ Ghent
  • Catholic Univ Louvain
  • Univ Mons
  • Ctr Brasileiro Pesquisas Fis
  • Universidade do Estado do Rio de Janeiro (UERJ)
  • Universidade Estadual Paulista (UNESP)
  • Bulgarian Acad Sci
  • Univ Sofia
  • Inst High Energy Phys
  • Peking Univ
  • Univ Los Andes
  • Tech Univ Split
  • Univ Split
  • Rudjer Boskovic Inst
  • Univ Cyprus
  • Charles Univ Prague
  • Egyptian Network High Energy Phys
  • NICPB
  • Univ Helsinki
  • Helsinki Inst Phys
  • Lappeenranta Univ Technol
  • CNRS
  • CEA Saclay
  • Ecole Polytech
  • Univ Haute Alsace Mulhouse
  • IN2P3
  • Univ Lyon 1
  • Tbilisi State Univ
  • Rhein Westfal TH Aachen
  • DESY
  • Univ Hamburg
  • Univ Karlsruhe
  • Inst Nucl Phys Demokritos
  • Univ Athens
  • Univ Ioannina
  • KFKI Res Inst Particle & Nucl Phys
  • Inst Nucl Res ATOMKI
  • Univ Debrecen
  • Panjab Univ
  • Univ Delhi
  • Bhabha Atom Res Ctr
  • Tata Inst Fundamental Res EHEP
  • Tata Inst Fundamental Res HECR
  • Inst Res & Fundamental Sci IPM
  • Ist Nazl Fis Nucl
  • Univ Bari
  • Politecn Bari
  • Univ Bologna
  • Univ Catania
  • Univ Florence
  • Univ Milano Bicocca
  • Univ Naples Federico II
  • Univ Padua
  • Univ Trento Trento
  • Univ Pavia
  • Univ Perugia
  • Univ Pisa
  • Scuola Normale Super Pisa
  • Univ Roma La Sapienza
  • Univ Turin
  • Univ Piemonte Orientale Novara
  • Univ Trieste
  • Kangwon Natl Univ
  • Kyungpook Natl Univ
  • Chonnam Natl Univ
  • Korea Univ
  • Univ Seoul
  • Sungkyunkwan Univ
  • Vilnius State Univ
  • IPN
  • Univ Iberoameri
  • Benemerita Univ Autonoma Puebla
  • Univ Autonoma San Luis Potosi
  • Univ Auckland
  • Univ Canterbury
  • Quaid I Azam Univ
  • Univ Warsaw
  • Soltan Inst Nucl Studies
  • Lab Instrumentacao & Fis Expt Particulas
  • Joint Inst Nucl Res
  • Petersburg Nucl Phys Inst
  • Russian Acad Sci
  • Inst Theoret & Expt Phys
  • Moscow MV Lomonosov State Univ
  • PN Lebedev Phys Inst
  • State Res Ctr Russian Federat
  • Univ Belgrade
  • Vinca Inst Nucl Sci
  • Ctr Invest Energet Medioambientales & Tecnol CIEM
  • Univ Autonoma Madrid
  • Univ Oviedo
  • Univ Cantabria
  • CERN
  • Paul Scherrer Inst
  • ETH
  • Univ Zurich
  • Natl Cent Univ
  • Natl Taiwan Univ
  • Cukurova Univ
  • Middle E Tech Univ
  • Bogazici Univ
  • Ctr Nat Sci
  • Univ Bristol
  • Rutherford Appleton Lab
  • Univ London Imperial Coll Sci Technol & Med
  • Brunel Univ
  • Baylor Univ
  • Boston Univ
  • Brown Univ
  • Univ Calif Davis
  • Univ Calif Los Angeles
  • Univ Calif Riverside
  • Univ Calif San Diego
  • Univ Calif Santa Barbara
  • CALTECH
  • Carnegie Mellon Univ
  • Univ Colorado
  • Cornell Univ
  • Fairfield Univ
  • Fermilab Natl Accelerator Lab
  • Univ Florida
  • Florida Int Univ
  • Florida State Univ
  • Florida Inst Technol
  • Univ Illinois
  • Univ Iowa
  • Johns Hopkins Univ
  • Univ Kansas
  • Kansas State Univ
  • Lawrence Livermore Natl Lab
  • Univ Maryland
  • MIT
  • Univ Minnesota
  • Univ Mississippi
  • Univ Nebraska
  • SUNY Buffalo
  • Northeastern Univ
  • Northwestern Univ
  • Univ Notre Dame
  • Ohio State Univ
  • Princeton Univ
  • Univ Puerto Rico
  • Purdue Univ
  • Purdue Univ Calumet
  • Rice Univ
  • Univ Rochester
  • Rockefeller Univ
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  • Univ Tennessee
  • Texas A&M Univ
  • Texas Tech Univ
  • Vanderbilt Univ
  • Univ Virginia
  • Wayne State Univ
  • Univ Wisconsin
  • Universidade Federal do ABC (UFABC)
  • Suez Canal Univ
  • British Univ
  • Fayoum Univ
  • Univ Haute Alsace
  • Brandenburg Tech Univ Cottbus
  • Eotvos Lorand Univ
  • Visva Bharati Univ
  • Sharif Univ Technol
  • Shiraz Univ
  • Isfahan Univ Technol
  • Univ Basilicata
  • Univ Siena
  • Univ Geneva
  • Sezione Ist Nazl Fis Nucl
  • Gaziosmanpasa Univ
  • Adiyaman Univ
  • Mersin Univ
  • Izmir Inst Technol
  • Kafkas Univ
  • Suleyman Demirel Univ
  • Ege Univ
  • Univ Southampton
  • Utah Valley Univ
  • Los Alamos Natl Lab
  • Erzincan Univ
ISSN: 
1029-8479
Sponsorship: 
  • FMSR (Austria)
  • 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)
  • CERN
  • CAS
  • MoST
  • NSFC (China)
  • COLCIENCIAS (Colombia)
  • MSES (Croatia)
  • RPF (Cyprus)
  • Academy of Sciences
  • NICPB (Estonia)
  • Academy of Finland
  • ME
  • HIP (Finland)
  • CEA
  • CNRS/IN2P3 (France)
  • BMBF
  • DFG
  • HGF (Germany)
  • GSRT (Greece)
  • OTKA
  • NKTH (Hungary)
  • DAE
  • DST (India)
  • IPM (Iran)
  • SFI (Ireland)
  • INFN (Italy)
  • NRF (Korea)
  • LAS (Lithuania)
  • CINVESTAV
  • CONACYT
  • SEP
  • UASLP-FAI (Mexico)
  • PAEC (Pakistan)
  • SCSR (Poland)
  • FCT (Portugal)
  • JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan)
  • MST
  • MAE (Russia)
  • MSTDS (Serbia)
  • MICINN
  • CPAN (Spain)
  • Swiss Funding Agencies (Switzerland)
  • NSC (Taipei)
  • TUBITAK
  • TAEK (Turkey)
  • STFC (United Kingdom)
  • DOE
  • NSF (USA)
Abstract: 
The first measurement of inclusive Z > tau(+) tau(-) production in pp collisions at the LHC is presented, in the final states mu+hadrons, e+hadrons, e-mu, and mu+mu. The data sample corresponds to an integrated luminosity of 36 pb(-1) collected with the CMS detector. The measured cross section is sigma (pp -> ZX) x B (Z -> tau(+)tau(-)) = 1.00 +/- 0.05 (stat.)+/- 0.08 (syst.) +/- 0.04 (lumi.) nb, which is in good agreement with the next-to-next-to-leading order QCD prediction and improves on previous measurements in the Z -> e(+)e(-) and mu(+)mu(-) channels. The reconstruction efficiency for hadronic T decays is determined with a precision of 7%.
Issue Date: 
1-Aug-2011
Citation: 
Journal Of High Energy Physics. New York: Springer, n. 8, 32 p., 2011.
Time Duration: 
32
Publisher: 
Springer
Keywords: 
Hadron-Hadron Scattering
Source: 
http://dx.doi.org/10.1007/JHEP08(2011)117
URI: 
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/116229
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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