TPC n-sigma distribution with electron hypothesis at low momentum in Pb-Pb collisions at 5.02 TeV, 0-10% centrality class

Scope: PWG
PWG-HF (Heavy Flavour)
Energy
5.02 TeV
System
Pb-Pb
Figure Image
Figure image (.eps)
Figure Caption

TPC n-sigma distribution with electron hypothesis at low momentum in Pb-Pb collisions at 5.02 TeV, 0-10% centrality class.

 

Detail description

TPC n-sigma distribution with electron hypothesis at low momentum in Pb-Pb collisions at 5.02 TeV, 0-10% centrality class.

PID selections: ITS n-sigma -4,2 ; TOF n-sigma -3,3

Fitting functions used to describe single particle distributions are reported.

Function used: - electrons and others: Gaussian; - pions, kaons, protons: Landau*Exp

DATA: LHC15o_pass1, AOD145

kINT7 trigger 

Standard HFE cuts

Requirement of a hit on both SPD layer to remove gamma conversion