Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-11-29
Comput.Phys.Commun. 132 (2000) 267-305
Physics
High Energy Physics
High Energy Physics - Phenomenology
51 pages, 3 figures
Scientific paper
10.1016/S0010-4655(00)00148-X
We describe a Monte Carlo event generator for the simulation of QCD-instanton induced processes in deep-inelastic scattering (HERA). The QCDINS package is designed as an ``add-on'' hard process generator interfaced to the general hadronic event simulation package HERWIG. It incorporates the theoretically predicted production rate for instanton-induced events as well as the essential characteristics that have been derived theoretically for the partonic final state of instanton-induced processes: notably, the flavour democratic and isotropic production of the partonic final state, energy weight factors different for gluons and quarks, and a high average multiplicity O(10) of produced partons with a Poisson distribution of the gluon multiplicity. While the subsequent perturbative evolution of the generated partons is always handled by the HERWIG package, the final hadronization step may optionally be performed also by means of the general hadronic event simulation package JETSET.
Ringwald Andreas
Schrempp Fridger
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