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Title: Measurement of the J/ψ pair production cross-section in pp collisions at √{s}=13 TeV
Author: Camboni, Alessandro
Coquereau, S.
Garrido Beltrán, Lluís
Gascón Fora, David
Graciani Diaz, Ricardo
Graugés Pous, Eugeni
Marin Benito, Carla
Picatoste Olloqui, E.
Rives Molina, V.
LHCb Collaboration
Keywords: Hadrons
Gran Col·lisionador d'Hadrons
Física de partícules
Large Hadron Collider (France and Switzerland)
Particle physics
Issue Date: Jun-2017
Publisher: Springer Verlag
Abstract: The production cross-section of J/ψ pairs is measured using a data sample of pp collisions collected by the LHCb experiment at a centre-of-mass energy of √{s}=13 TeV, corresponding to an integrated luminosity of 279 ±11 pb-1. The measurement is performed for J/ψ mesons with a transverse momentum of less than 10 GeV/ c in the rapidity range 2 .0 < y < 4 .5. The production cross-section is measured to be 15 .2 ± 1 .0 ± 0 .9 nb. The first uncertainty is statistical, and the second is systematic. The differential cross-sections as functions of several kinematic variables of the J/ψ pair are measured and compared to theoretical predictions.
Note: Reproducció del document publicat a:
It is part of: Journal of High Energy Physics, 2017, vol. 2017, num. 47, p. 1-38
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ISSN: 1126-6708
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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