Underlying Event : Δφ Distributions : Σ(pT) vs Δφ

Generator Group: General-Purpose MCs Soft-Inclusive MCs Alpgen Herwig++ Pythia 6 Pythia 8 Sherpa Vincia Epos Phojet Custom
Subgroup: Tunes v4 Tunes v3 Tunes v2 Herwig++ vs Pythia 8 Herwig++ vs Pythia Herwig++ vs Sherpa

ppbar @ 1800 GeV