2026-04-17T03:55:34Zhttps://recercat.cat/oai/requestoai:recercat.cat:2445/1327372025-12-04T21:32:49Zcom_2072_1057col_2072_478812col_2072_478823col_2072_478904col_2072_478917
RECERCAT
author
Badalov, Alexey
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Calvo Gómez, Míriam
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Camboni, Alessandro
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Coquereau, Samuel
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Fernandez, G.
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Garrido Beltrán, Lluís
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Gascón Fora, David
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Graciani Díaz, Ricardo
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Graugés Pous, Eugeni
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Marin Benito, Carla
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Picatoste Olloqui, Eduardo
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Rives Molina, Vicente José
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Sánchez Gonzalo, David
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Vilasis-Cardona, Xavier
author
LHCb Collaboration
2019-05-06T12:17:58Z2019-05-06T12:17:58Z2017-05-082019-05-06T12:18:23Z
The production of J /ψ mesons in jets is studied in the forward region of proton-proton collisions using data collected with the LHCb detector at a center-of-mass energy of 13 TeV. The fraction of the jet transverse momentum carried by the J /ψ meson, z (J /ψ ) ≡pT(J /ψ )/pT(jet ) , is measured using jets with pT(jet )>20 GeV in the pseudorapidity range 2.5 <η (jet )<4.0 . The observed z (J /ψ ) distribution for J /ψ mesons produced in b -hadron decays is consistent with expectations. However, the results for prompt J /ψ production do not agree with predictions based on fixed-order nonrelativistic QCD. This is the first measurement of the pT fraction carried by prompt J /ψ mesons in jets at any experiment.
cc by (c) CERN; LHCb Collaboration, 2017 http://creativecommons.org/licenses/by/3.0/es/ info:eu-repo/semantics/openAccess
Física de partícules
Experiments
Particle physics
Experiments
Study of J/ψ Production in Jets
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion