GGPS: a two-photon event generator based on the parton shower method Original Research Article

GGPS is a two-photon event generator for e+e− physics dedicated to hadronic final states. Events are generated according to the parton shower method based on the DGLAP evolution equations. The model can be applied to two distinct processes, (1) deep inelastic scattering of photons, and (2) scattering of two quasi-real photons producing large transverse momentum partons. Final hadronization is provided by an interface to JETSET.