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Abstract
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, zðJ=ψÞ ≡ pTðJ=ψÞ=pTðjetÞ, is measured using jets with
pTðjetÞ > 20 GeV in the pseudorapidity range 2.5 < ηðjetÞ < 4.0. The observed zðJ=ψÞ 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.
Original language | English |
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Journal | Physical Review Letters |
Volume | 118 |
DOIs | |
Publication status | Published - 8 May 2017 |
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Dive into the research topics of 'Study of J=ψ Production in Jets'. Together they form a unique fingerprint.Projects
- 1 Finished
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Bristol Consolidated Grant 2015-9
Goldstein, J. (Principal Investigator)
1/10/15 → 31/03/21
Project: Research