Cluster Hadronization in HERWIG 5.9

Abstract

The HERWIG 5.9 cluster hadronization model is briefly discussed here. It is shown that the model has peculiar behaviour when new heavy baryon resonances are included in the HERWIG 5.9 particle table. New fragmentation model is proposed to cure this problem and simple tuning of HERWIG 5.9 with this new model has been made using event shapes variables and identified particle momentum spectra in electron-positron interactions at LEPI. Finally, the predictions of the two hadronization models are compared.

(8 p), to be published in the proceedings of the workshop on 'Monte Carlo Generators for HERA Physics' 1998/1999

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