Production of J/ψ and varUpsilon mesons in pp collisions at √{s}=8 TeV

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Title:	Production of J/ψ and varUpsilon mesons in pp collisions at √{s}=8 TeV
Author:	Camboni, Alessandro; Comerma Montells, Albert; Garrido Beltrán, Lluís; Graciani Díaz, Ricardo; Graugés Pous, Eugeni; López Asamar, Elias; Pérez-Calero Yzquierdo, Antonio; Picatoste Olloqui, Eduardo; Potterat, Cédric; Rives Molina, Vicente José; Ruiz, Hugo (Ruiz Pérez); Vázquez Gómez, Ricard; Abellan Beteta, Carlos; Calvo Gómez, Míriam; Oyanguren Campos, Arantza de; Ruiz Valls, Pablo; Vilasis-Cardona, Xavier; LHCb Collaboration
Other authors:	Universitat de Barcelona
Abstract:	The production of J/ψ and TeX mesons in pp collisions at TeX TeV is studied with the LHCb detector. The J/ψ and TeX mesons are reconstructed in the μ + μ − decay mode and the signal yields are determined with a fit to the μ + μ − invariant mass distributions. The analysis is performed in the rapidity range 2. 0 < y < 4. 5 and transverse momentum range 0 < p T < 14 (15) GeV/c of the J/ψ TeX mesons. The J/ψ and TeX production cross-sections and the fraction of J/ψ mesons from b-hadron decays are measured as a function of the meson p T and y.
Subject(s):	-Quarks -Teoria quàntica de camps -Relativitat (Física) -Quarks -Quantum field theory -Relativity (Physics)
Rights:	cc-by (c) LHCb Collaboration, 2013 http://creativecommons.org/licenses/by/3.0/es/
Document type:	Article Article - Published version
Published by:	Springer Verlag
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