Photon purity in 5.02 TeV Pb-Pb collisions

Scope: PWG
PWG-JE (Jets)
Energy
5.02 TeV
System
Pb-Pb
Figure Image
Figure image (.eps)
Figure image (.pdf)
Figure Caption

Photon purity as a function of photon candidate pT across various centrality ranges for photon candidates with charged isolation < 1.5 GeV/c after underlying event subtraction, as measured with the template fit procedure

Detail description

18q and 18r pass3

EMCEGA trigger

LHC20g3a and LHC20g3c embedded into 18q kINT7, kCentral, and kSemiCentral events

Charged isolation cut: 1.5 GeV/c within R=0.2 after underlying event subtraction

Purity estimated with template fit