Packages with the fastjet use flag

sci-physics / herwig++ : High-Energy Physics event generator

  • Adds support for sci-physics/fastjet

sci-physics / pythia : Lund Monte Carlo high-energy physics event generator

  • Build jets using the sci-physics/fastjet package

sci-physics / thepeg : Toolkit for High Energy Physics Event Generation

  • Adds support for sci-physics/fastjet