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Figure 1b

Figure Information
Scope: PWG
PWG-UD (Ultraperipheral and Diffraction)
Energy
5.02 TeV
System
Pb-Pb
Figure Group
First polarisation measurement of coherently photoproduced J/$ψ$ in ultra-peripheral Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV
Figure Image
Figure image (.eps)
pTpaper_0_0.eps
Figure Caption

A fit to the raw invariant mass (a) and \pt distributions for events in the $-0.20 \cos\theta -0.12$ range evaluated in the helicity frame. The bottom panel (b) shows the dimuon \pt around the \jpsi mass range. The displayed uncertainties are statistical.

Detail description

Figure extracted from paper