dNdcostheta vs costheta in Pb--Pb collisions at 5.02 TeV using Helicity Frame

Scope: PWG
PWG-DQ (Dileptons and Quarkonia)
Energy
5.02 TeV
System
Pb-Pb
Figure Image
Figure Caption

Angular distribution (dN/d|cos|\theta| vs. |cos\theta| ) of J/\psi  with 1D-fit function for centrality 70-90\% and  $\it{p}_\mathrm{T}$ $<$ 0.3 GeV/$c$ in Pb--Pb collisions at 5.02 TeV using Helicity Frame

Detail description

Data : LHC  2015 + 2018 productions using standard selection for J/\psi production study from unlike sign dimuon pairs

Centrality : 70-90 %

Rapidity :  -4.0 < y < -2.5

pT cut :  < 0.3 GeV/c

Polarization axis : Helicity Frame