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Measurement of parton shower observables with OPAL

OPAL Collaboration; Fischer, N.; Gieseke, S. 1; Kluth, S.; Plätzer, S.; Skands, P.; Barillari, T. [Hrsg.]; Bethke, S. [Hrsg.]; Kluth, S. [Hrsg.]; Menke, S. [Hrsg.]
1 Institut für Theoretische Physik (ITP), Karlsruher Institut für Technologie (KIT)


A study of QCD coherence is presented based on a sample of about 397,000 e+e- hadronic annihilation events collected at √s = 91 GeV with the OPAL detector at LEP. The study is based on four recently proposed observables that are sensitive to coherence effects in the perturbative regime. The measurement of these observables is presented, along with a comparison with the predictions of different parton shower models. The models include both conventional parton shower models and dipole antenna models. Different ordering variables are used to investigate their influence on the predictions.

Volltext §
DOI: 10.5445/IR/1000068034
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Theoretische Physik (ITP)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2016
Sprache Englisch
Identifikator ISSN: 2100-014X
KITopen-ID: 1000068034
Erschienen in The European physical journal / Web of Conferences
Verlag EDP Sciences
Band 120
Seiten Art.Nr. 05001
Bemerkung zur Veröffentlichung 45th International Symposium on Multiparticle Dynamics, ISMD 2015, Wildbad Kreuth, Munich, 4 - 9 October 2015
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