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J/ψ production cross section and its dependence on charged-particle multiplicity in p + p collisions at s=200 GeV

Adam, J.
•
Adamczyk, L.
•
Adams, J. R.
altro
Zyzak, M.
2018
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
We present a measurement of inclusive J/ψ production at mid-rapidity ( |y|<1 ) in p+p collisions at a center-of-mass energy of s=200 GeV with the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The differential production cross section for J/ψ as a function of transverse momentum ( pT ) for 0<pT<14 GeV/c and the total cross section are reported and compared to calculations from the color evaporation model and the non-relativistic Quantum Chromodynamics model. The dependence of J/ψ relative yields in three pT intervals on charged-particle multiplicity at mid-rapidity is measured for the first time in p+p collisions at s=200 GeV and compared with that measured at s=7 TeV, PYTHIA8 and EPOS3 Monte Carlo generators, and the Percolation model prediction.
DOI
10.1016/j.physletb.2018.09.029
WOS
WOS:000452318400012
Archivio
http://hdl.handle.net/11368/2940529
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85053917354
http://www.sciencedirect.com/science/journal/03702693
Diritti
open access
FVG url
https://arts.units.it/bitstream/11368/2940529/2/1-s2.0-S0370269318307305-main.pdf
Soggetti
  • Charged-particle mult...

  • Multiple parton inter...

  • p+p collision

  • Quarkonium

  • Nuclear and High Ener...

Scopus© citazioni
21
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
20
Data di acquisizione
Mar 18, 2024
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