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Author
LHCb Collaboration (Aaij, R. et al)
;
Garcia Martin, L.M.
;
Martinez-Vidal, F.
;
Oyanguren, A.
;
Remon Alepuz, C.
;
Ruiz Valls, P.
;
Sanchez Mayordomo, C.
Title
Study of J/psi production in jets
Type
Journal Article
Year
2017
Publication
Physical Review Letters
Abbreviated Journal
Phys. Rev. Lett.
Volume
118
Issue
19
Pages
192001 - 11pp
Keywords
Abstract
The production of J/psi 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/psi meson, z(J/psi) p(T) (J/psi) / p(T)(jet) is measured using jets with p(T)(jet) > 20 GeV in the pseudorapidity range 2.5 < eta(jet) < 4.0. The observed z(J/psi) distribution for J/psi mesons produced in b-hadron decays is consistent with expectations. However, the results for prompt J/psi production do not agree with predictions based on fixed-order nonrelativistic QCD. This is the first measurement of the p(T) fraction carried by prompt J/psi mesons in jets at any experiment.
Address
[Bediaga, I.; De Miranda, J. M.; Gomes, A.; Massafferri, A.; Rodriguez, J. Molina; dos Reis, A. C.; Rodrigues, A. B.; Guimaraes, V. Salustino; Lavra, L. Soares] CBPF, Rio De Janeiro, Brazil
Corporate Author
Thesis
Publisher
Amer Physical Soc
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
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Series Issue
Edition
ISSN
0031-9007
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:000401239200001
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
3140
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