2008/01/01 by Andry M. Rakotozafindrabe, Joseph Cugnon, Lansberg Jean-Philippe +1 · 1 citation
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1063/1.2987188
published as AIPConf.Proc.1038:63-72,2008 · Proceedings prepared for the HLPW08 conference (Three days of strong interactions and astrophysics, March 2008, Belgium) and will be published in the "AIP conference proceedings series"
openalex publication_date 2008/01/01 · arxiv created 2008/06/23 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/31
Stringent physical constraints relate the J/ψ produced at a given transverse momentum pT to the Bjorken‐x of the initial gluons. We present a new approach which takes them into account in order to explicitly investigate the pT‐dependence of the shadowing effect on the J/ψ production. Using the J/ψ rapidity and pT spectra extracted from s = 200 GeV p+p data from PHENIX, we build a Glauber Monte‐Carlo code which includes shadowing in two alternative ways: multiple scattering corrections or Q2 evolution of parton densities. We present our results in d+Au collisions at the same energy, notably providing the first prediction of the J/ψ nuclear modification factor as a function of pT, and compare them to the available data by adding some nuclear absorption effect.