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Energy dependence of forward-rapidity J/ψ and ψ(2 S) production in pp collisions at the LHC

Acharya, S.
•
Adamovà ¡, D.
•
Aggarwal, M. M.
altro
Zmeskal, J.
2017
  • journal article

Periodico
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Abstract
We present results on transverse momentum (pt) and rapidity (y) differential production cross sections, mean transverse momentum and mean transverse momen- tum square of inclusive J/ψ and ψ(2S) at forward rapid- ity (2.5 < y < 4) as well as ψ(2S)-to-J/ψ cross section ratios. These quantities are measured in pp collisions at cen- ter of mass energies √s = 5.02 and 13 TeV with the ALICE detector. Both charmonium states are reconstructed in the dimuon decay channel, using the muon spectrometer. A com- prehensive comparison to inclusive charmonium cross sec- tions measured at √s = 2.76, 7 and 8 TeV is performed. A comparison to non-relativistic quantum chromodynam- ics and fixed-order next-to-leading logarithm calculations, which describe prompt and non-prompt charmonium pro- duction respectively, is also presented. A good description of the data is obtained over the full pt range, provided that both contributions are summed. In particular, it is found that for pt > 15 GeV/c the non-prompt contrib
DOI
10.1140/epjc/s10052-017-4940-4
WOS
WOS:000403186900001
Archivio
http://hdl.handle.net/11368/2915560
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85020514164
https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-017-4940-4
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/3.0/it/
FVG url
https://arts.units.it/bitstream/11368/2915560/1/EPJ_C_77(2017)392_1-21.pdf
Soggetti
  • Physics and Astronomy...

  • ALICE

  • LHC

Scopus© citazioni
38
Data di acquisizione
Jun 15, 2022
Vedi dettagli
Web of Science© citazioni
46
Data di acquisizione
Mar 27, 2024
Visualizzazioni
1
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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