Scope: PWG
PWG-LF (Light Flavour Spectra)
Energy
2.76 TeV
System
Pb-Pb
Figure Group
Figure Image
Figure image (.eps)
Figure image (.pdf)
Figure Caption
Ratio (Xi*0+antiXi*0)/(Xi+ + Xi-) as a function of charged particle density.
Bars are statistical uncertainties, boxes are systematics, shaded boxes are uncorrelated systematics.
Detail description
Keywords: Xi*0, Pb-Pb, Integrated particle ratio
Data sample: LHC11h
Event selection :
- Pile-up rejection via SPD
- |V_{z}| < 10 cm
Track selection :
- transverse momentum range, \pt > 0.15 GeV/c
- pseudorapidity, \eta in [-0.8, 0.8]
- number of TPC crossed rows> 70
- \chisquare per TPC cluster < 4.0
- number of clusters in the SPD ≥ 1
- reconstructed pairs rapidity range -0.5 < y < 0.5.
PID cuts:
- Nsigma_TPC < 3