The J/psi nuclear modification factor as a function of pT in the centrality range (70-90)% in Pb-Pb collisions at 5.02 TeV for 3.25 < y < 3.5

Figure Information

Scope: PWG

PWG-DQ (Dileptons and Quarkonia)

Energy

5.02 TeV

System

Pb-Pb

Figure Group

y-differential J/psi photoproduction in Pb-Pb (QM2023)

Figure Image

Figure image (.eps)

zoomed_raa_y3.eps

Figure image (.pdf)

zoomed_raa_y3.pdf

Figure Caption

 The J/psi nuclear modification factor as a function of pT in the centrality range (70-90)% in Pb-Pb collisions at 5.02 TeV for 3.25 < y < 3.5.

Detail description

• Keywords: RAA, photoproduction
• Data sample and rec. pass:
  LHC15o_muon_calo_pass1

  LHC18q_muon_calo_pass3

  LHC18q_muon_calo_pass3

  for pp: LHC17p and LHC17q, muon calo pass1
• Event cuts: physics selection and CMUL7-B-NOPF-MUFAST (CMUL7) trigger
• Track cuts:  -4 < eta_{mu} < -2.5,  2 < theta_{abs} < 10 degree, matching track in tracking-trigger chambers, pxDCA cut.
• Dimuon cut: -4 < y < -2.5