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Measurements of alpha_s from hadronic event shapes in e+e- annihilation | J. C. Thompson
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2 Dec 1998 | Subject: | hep-ex | Affiliation: | ALEPH collaboration | Abstract: | 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. | Source: | arXiv, hep-ex/9812004 | Services: | Forum | Review | PDF | Favorites |
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