Measurement of the Running of the Electromagnetic Coupling at LEP

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 24 Apr 2007Embargo end date: 01 Oct 2006Publisher:Sissa MedialabJournal:Proceedings of International Europhysics Conference on High Energy Physics — PoS(HEP2005)

Authors: Mele, Salvatore;

doi: 10.22323/1.021.0286 , 10.48550/arxiv.hep-ex/0610037 , 10.48550/arxiv.hep-ex/0601045

arXiv: hep-ex/0610037 , hep-ex/0601045

Measurement of the Running of the Electromagnetic Coupling at LEP

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Abstract

The study of Bhabha scattering at e^+e^- colliders probes the running of the electromagnetic coupling. After early measurements by the VENUS collaboration at TRISTAN and the by L3 collaboration at LEP, two recent analyses have been performed by the OPAL and L3 collaborations. The OPAL collaboration studied high-statistics low-angle Bhabha scattering at LEP, achieving a precise determination of the running of alpha in the region 1.8GeV^2

Invited talk at the XXVI Physics in Collisions Conference (PIC06), Buzios, Brasil, July 2006, 6 pages, LaTeX, 7 eps figures. PSN THUPL04

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Keywords

High Energy Physics - Experiment (hep-ex), FOS: Physical sciences, High Energy Physics - Experiment

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