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Dimuon invariant mass distributions (signal extraction)

Figure Information
Scope: PWG
PWG-DQ (Dileptons and Quarkonia)
Energy
5.02 TeV
System
Pb-Pb
Figure Group
Studies of J/ψ production at forward rapidity in Pb-Pb collisions at 5.02 TeV
Figure Image
Figure image (.eps)
2019-11-02-SignalExtraction.eps
Figure image (.pdf)
2019-11-02-SignalExtraction.pdf
Figure Caption

Example of fits to the US dimuon invariant mass distributions in Pb–Pb collisions at \sqrt{s_{NN}} = 5.02 TeV in different centrality classes and pT intervals. The left (right) panels show the distributions before (after) background subtraction with the event-mixing technique. Dashed gray curves correspond to background functions, red curves to the signal functions and blue curves to the sum of the signal and background functions.

Detail description

Example of fits to the US dimuon invariant mass distributions in Pb–Pb collisions at \sqrt{s_{NN}} = 5.02 TeV in different centrality classes and pT intervals. The left (right) panels show the distributions before (after) background subtraction with the event-mixing technique. Dashed gray curves correspond to background functions, red curves to the signal functions and blue curves to the sum of the signal and background functions.