Zeitschrift für Physik C

ISSN: 0170-9739 (printed version)
ISSN: 1431-5858 (electronic version)

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Abstract Volume 73 Issue 1 (1996) pp 11-59

Tuning and test of fragmentation models based on identified particles and precision event shape data

DELPHI Collaboration , P. Abreu et al. (21)

(21) LIP, IST, FCUL - Av. Elias Garcia, 14-1°, P-1000 Lisboa Codex, Portugal

Received: 27 August 1996

Abstract. Event shape and charged particle inclusive distributions are measured using 750000 decays of the $Z$ to hadrons from the DELPHI detector at LEP. These precise data allow a decisive confrontation with models of the hadronization process. Improved tunings of the JETSET, ARIADNE and HERWIG parton shower models and the JETSET matrix element model are obtained by fitting the models to these DELPHI data as well as to identified particle distributions from all LEP experiments. The description of the data distributions by the models is critically reviewed with special importance attributed to identified particles.

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