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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/24740
Title: 
Exclusive gamma gamma -> mu(+)mu(-) production in proton-proton collisions at root s=7TeV
Author(s): 
Institution: 
  • Yerevan Phys Inst
  • Inst Hochenergiephys OeAW
  • 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
  • Univ Split
  • Inst Rudjer Boskov
  • Univ Cyprus
  • Charles Univ Prague
  • Acad Sci Res & Technol Arab Republ Egypt
  • Univ Helsinki
  • Helsinki Inst Phys
  • Lappeenranta Univ Technol
  • IN2P3 CNRS
  • CEA Saclay
  • Univ Haute Alsace Mulhouse
  • Inst Natl Phys Nucl & Phys Particules IN2P3
  • Univ Lyon 1
  • Tbilisi State Univ
  • RWTH Aachen University
  • DESY
  • Univ Hamburg
  • Univ Karlsruhe
  • Inst Nucl Phys Demokritos
  • Univ Athens
  • Univ Ioannina
  • KFKI Res Inst Particle & Nucl Phys
  • Inst Nucl Res ATOMKI
  • Debrecen Univ Med
  • Panjab Univ
  • University of Delhi
  • Saha Inst Nucl Phys
  • Bhabha Atom Res Ctr
  • Tata Inst Fundamental Res
  • Inst Res & Fundamental Sci IPM
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  • Univ Bari
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  • INFN Sez Catania
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  • INFN Lab Nazl Frascati
  • INFN Sez Genova
  • INFN Sez Milano Bicocc
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  • Univ Trieste
  • Kangwon Natl Univ
  • Kyungpook Natl Univ
  • Chonnam Natl Univ
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  • Korea University
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  • Vilnius State Univ
  • Ctr Invest & Estudios Avanzados IPN
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  • Benemerita Univ Autonoma Puebla
  • Univ Autonoma San Luis Potosi
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  • Soltan Inst Nucl Studies
  • Lab Instrumentacao & Fis Expt Particulas
  • Joint Inst Nucl Res
  • Petersburg Nucl Phys Inst
  • Russian Acad Sci
  • Institute for Theoretical and Experimental Physics (ITEP)
  • Moscow MV Lomonosov State Univ
  • PN Lebedev Phys Inst
  • University of Belgrade
  • Vinca Inst Nucl Sci
  • CIEMAT
  • 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
  • Kharkov Inst Phys & Technol
  • Univ Bristol
  • Rutherford Appleton Lab
  • Univ London Imperial Coll Sci Technol & Med
  • Brunel Univ
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  • Fermilab Natl Accelerator Lab
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  • Florida Inst Technol
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  • Lawrence Livermore Natl Lab
  • University of Maryland
  • MIT
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  • Universidade Federal do ABC (UFABC)
  • Suez Canal Univ
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ISSN: 
1126-6708
Abstract: 
A measurement of the exclusive two-photon production of muon pairs in proton-proton collisions at root s = 7 TeV, pp -> p mu(+)mu(-) p, is reported using data corresponding to an integrated luminosity of 40 pb-1. For muon pairs with invariant mass greater than 11.5 GeV, transverse momentum p(T)(mu) > 4 GeV and pseudorapidity 1770.1) < 2.1, a fit to the dimuon p(T)(mu(+)mu(-)) distribution results in a measured cross section of sigma(p -> p mu(+)mu(-) p) - 3.38(-0.55)(+0.58) (stat.)+/- 0.16 (syst.) +/- 0.14 (lumi.) pb, consistent with the theoretical prediction evaluated with the event generator LPAIR. The ratio to the predicted cross section is 0.83+(0.14)(-0.13) (stat.) +/- 0.04 (syst.) +/- 0.03 (lumi.). The characteristic distributions of the muon pairs produced via Ty fusion, such as the muon acoplanarity, the muon pair invariant mass and transverse momentum agree with those from the theory.
Issue Date: 
1-Jan-2012
Citation: 
Journal of High Energy Physics. New York: Springer, n. 1, p. 39, 2012.
Time Duration: 
39
Publisher: 
Springer
Keywords: 
Hadron-Hadron Scattering
Source: 
http://dx.doi.org/10.1007/JHEP01(2012)052
URI: 
http://hdl.handle.net/11449/24740
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/24740
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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