Scope: PWG
PWG-LF (Light Flavour Spectra)
Energy
5.02 TeV
13 TeV
System
p-p
p-Pb
Figure Image
Figure image (.eps)
Figure image (.pdf)
Figure Caption
Comparison of raw primary antiproton-to-proton ratio in pp and in p-Pb collisions. The data are shown as blue circles, with the statistical errors shown as vertical bars and the systematic errors shown as boxes. The expected difference from the primordial ratio is shown as a dashed red line.
Detail description
Dataset: LHC16,17&18 AOD (pp 13 TeV) & LHC16qt (p-Pb)
Event selection: High multiplicity V0 trigger (pp only), |VtxZ| < 10 cm
Track selection: p > 0.2 GeV/c, |eta| < 0.8, AOD FilterBit 256, N of ITS clusters >= 2, |DCAxy| < 0.1 cm, |DCAz| < 0.1 cm
Particle identification: TPC + TOF (from p=0.7GeV/c onwards)