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Properties of hadronicZ decays and test of QCD generators

Buskulic, D. and Finch, Alexander (1992) Properties of hadronicZ decays and test of QCD generators. Zeitschrift für Physik C Particles and Fields, 55 (2). pp. 209-234. ISSN 0170-9739

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Distributions are presented of event shape variables, jet roduction rates and charged particle momenta obtained from 53 000 hadronicZ decays. They are compared to the predictions of the QCD+hadronization models JETSET, ARIADNE and HERWIG, and are used to optimize several model parameters. The JETSET and ARIADNE coherent parton shower (PS) models with running αs and string fragmentation yield the best description of the data. The HERWIG parton shower model with cluster fragmentation fits the data less well. The data are in better agreement with JETSET PS than with JETSETO(αS2) matrix elements (ME) even when the renormalization scale is optimized.

Item Type: Journal Article
Journal or Publication Title: Zeitschrift für Physik C Particles and Fields
Departments: Faculty of Science and Technology > Physics
ID Code: 63775
Deposited By: ep_importer_pure
Deposited On: 07 May 2013 15:46
Refereed?: Yes
Published?: Published
Last Modified: 20 Jun 2018 02:26
Identification Number:

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