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First determination of the strong coupling constant using NNLO predictions for hadronic event shapes in $e^+ e^-$ annihilations

We present the first determination of the strong coupling constant from a fit of next-to-next-to-leading order QCD predictions to event-shape variables, measured in e+e− annihilations at LEP. The data have been collected by the ALEPH detector at centre-of-mass energies between 91 and 206 GeV. Compar...

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Detalles Bibliográficos
Autores principales:	Dissertori, G, Gehrmann-De Ridder, A, Gehrmann, T, Glover, E W N, Marlen-Heinrich, G, Stenzel, H
Lenguaje:	eng
Publicado:	2007
Materias:	Particle Physics - Experiment Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1088/1126-6708/2008/02/040 http://cds.cern.ch/record/1073063

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