Quark pair simulation near threshold : Reweighting and hadronization
Abstract
Methods are presented allowing a realistic, experiment-based simulation of low-mass quark pairs coupling to a virtual photon. Differential cross-section reweighting factors allow to reproduce the resonant structure observed near quark pair production thresholds, and an algorithm is proposed that allows hadronization of the light quarks in the very low mass region, where existing theory-based models are expected to break down. The corresponding routines can be embedded in two- and four-fermion generators for e+e- machines.
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