Measurement of parton shower observables with OPAL

N. Fischer, S. Gieseke, S. Kluth, S. Plätzer, P. Skands, OPAL Collaboration

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Abstract

A study of QCD coherence is presented based on a sample of about 397,000 e+e-hadronic annihilation events collected at âš 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.

Original languageEnglish
Title of host publicationXLV International Symposium on Multiparticle Dynamics (ISMD 2015)
EditorsT. Barillari, S. Bethke, S. Kluth, S. Menke
Place of PublicationFrance
PublisherEDP Sciences
Number of pages6
DOIs
Publication statusPublished - 4 Jul 2016
EventInternational Symposium on Multiparticle Dynamics - Bildungszentrum, Wildbad Kreuth, Germany
Duration: 4 Oct 20159 Oct 2015
Conference number: XLV
https://indico.mpp.mpg.de/event/3127/

Publication series

NameEPJ Web of Conferences
PublisherE D P Sciences
Volume120
ISSN (Electronic)2100-014X

Conference

ConferenceInternational Symposium on Multiparticle Dynamics
Abbreviated titleISMD 2015
CountryGermany
CityWildbad Kreuth
Period4/10/159/10/15
Internet address

Cite this

Fischer, N., Gieseke, S., Kluth, S., Plätzer, S., Skands, P., & OPAL Collaboration (2016). Measurement of parton shower observables with OPAL. In T. Barillari, S. Bethke, S. Kluth, & S. Menke (Eds.), XLV International Symposium on Multiparticle Dynamics (ISMD 2015) [05001] (EPJ Web of Conferences; Vol. 120). EDP Sciences. https://doi.org/10.1051/epjconf/201612005001