Measurements of alpha_s from hadronic event shapes in e+e- annihilation

Details Measurements of alpha_s from hadronic event shapes in e+e- annihilation Measurements of alpha_s from hadronic event shapes in e+e- annihilation

1998-12-02

arxiv.org/abs/hep-ex/9812004v1

Physics

High Energy Physics

High Energy Physics - Experiment

3 pages, 2 figures, ICHEP Vancouver, Canada, 1998

Scientific paper

New studies of hadronic event shape observables in e+ e- collisions between 13 and 183 GeV CM energy have enabled the running of alpha_s to be confirmed and the validity of non-perturbative power-law corrections to be investigated. A more precise value of alpha_s(M_Z) with reduced theoretical errors has been reported from fitting 18 oriented event shape distributions measured in one experiment at the Z.

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