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Measurement of the J/ψ pair production cross-section in pp collisions at √s=1 TeV

Author(s)
Boettcher, Thomas Julian; Ilten, Philip J; Williams, Michael
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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[superscript −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. Keywords: Hadron-Hadron scattering (experiments), Particle and resonance production proton-proton scattering, QCD, Quarkonium
Date issued
2017-06
URI
http://hdl.handle.net/1721.1/119225
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Journal of High Energy Physics
Publisher
Springer Nature
Citation
The LHCb collaboration, et al. “Measurement of the J/ψ Pair Production Cross-Section in Pp Collisions at √s =13 $$ TeV.” Journal of High Energy Physics, vol. 2017, no. 6, June 2017. © 2017 The Authors
Version: Final published version
ISSN
1029-8479

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