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Multiplicity dependence of inclusive J/ψ production at midrapidity in pp collisions at √s = 13 TeV

Acharya S.
•
Adamova D.
•
Adler A.
altro
Zurlo N.
2020
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
Measurements of the inclusive J/ψ yield as a function of charged-particle pseudorapidity density dNch/dη in pp collisions at s=13 TeV with ALICE at the LHC are reported. The J/ψ meson yield is measured at midrapidity (|y|<0.9) in the dielectron channel, for events selected based on the charged-particle multiplicity at midrapidity (|η|<1) and at forward rapidity (−3.7<−1.7 and 2.8<5.1); both observables are normalized to their corresponding averages in minimum bias events. The increase of the normalized J/ψ yield with normalized dNch/dη is significantly stronger than linear and dependent on the transverse momentum. The data are compared to theoretical predictions, which describe the observed trends well, albeit not always quantitatively.
DOI
10.1016/j.physletb.2020.135758
WOS
WOS:000582969900005
Archivio
http://hdl.handle.net/11368/2974683
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85091487068
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/2974683/1/PLB_810(2020)135758_1-14.pdf
Soggetti
  • Hadron-Hadron scatter...

Scopus© citazioni
14
Data di acquisizione
Jun 15, 2022
Vedi dettagli
Web of Science© citazioni
32
Data di acquisizione
Mar 24, 2024
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