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: Alpgen vs GPMCs Alpgen vs Pythia 6

ppbar @ 1800 GeV