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The measurement of alpha(s) from event shapes with the DELPHI detector at the highest LEP energies.

DELPHI Collaboration, The and Borisov, Guennadi and Sopczak, Andre (2004) The measurement of alpha(s) from event shapes with the DELPHI detector at the highest LEP energies. European Physical Journal C: Particles and Fields, 37 (1). pp. 1-23. ISSN 1434-6044

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Abstract

Hadronic event shape distributions are determined from data in e + e - collisions between 183 and 207 GeV. From these the strong coupling is extracted in , NLLA and matched + NLLA theory. Hadronisation corrections evaluated with fragmentation model generators as well as an analytical power ansatz are applied. Comparing these measurements to those obtained at and around M Z allows a combined measurement of from all DELPHI data and a test of the energy dependence of the strong coupling.

Item Type: Article
Journal or Publication Title: European Physical Journal C: Particles and Fields
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 23953
Deposited By: ep_ss_importer
Deposited On: 24 Feb 2009 14:16
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 16:19
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/23953

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