Invariant mass distribution before background subtraction in Pb-Pb collisions at 2.76 TeV

Scope: PWG
PWG-LF (Light Flavour Spectra)
Energy
2.76 TeV
13 TeV
System
Pb-Pb
Figure Image
Figure Caption

Invariant-mass distributions for the K*0 in Pb-Pb collisions at 2.76 TeV in the pT range 1.2 < pT < 1.8 GeV/c and cos(theta*) bin 0.6 - 0.8. In figure black marker shows the invariant mass distribution for unlike charge pairs and red marker shows the normalized mixed event background.

Detail description

Data sample: LHC10h, pass2, ESDs
Event selection: Physics Selection, |vz|<10 cm, other standard event-selection cuts for PWG-LF analyses in Pb-Pb collisions at 2.76 TeV (see analysis note)
Track Cuts: standard ITS/TPC track cuts 2010 (see analysis note)