Measurement of J/ψ production in association with a W ± boson with pp data at 8 TeV
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Peer-reviewed
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Abstract
Abstract: A measurement of the production of a prompt J/ψ meson in association with a W± boson with W± → μν and J/ψ → μ+μ− is presented for J/ψ transverse momenta in the range 8.5–150 GeV and rapidity |yJ/ψ| < 2.1 using ATLAS data recorded in 2012 at the LHC. The data were taken at a proton-proton centre-of-mass energy of s = 8 TeV and correspond to an integrated luminosity of 20.3 fb−1. The ratio of the prompt J/ψ plus W± cross-section to the inclusive W± cross-section is presented as a differential measurement as a function of J/ψ transverse momenta and compared with theoretical predictions using different double-parton-scattering cross-sections.
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Regular Article - Experimental Physics, Hadron-Hadron scattering (experiments)
Journal Title
Journal of High Energy Physics
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Journal ISSN
1029-8479
Volume Title
2020
Publisher
Springer Berlin Heidelberg