Calculation of Power Corrections to Hadronic Event Shapes
Abstract
We compute power corrections to hadronic event shapes in e+e- annihilation, assuming an infrared regular behaviour of the effective coupling αs. With the integral of αs over the infrared region as the only non-perturbative parameter, also measured in heavy quark physics, we can account for the empirical features of 1/Q corrections to the mean values of various event shapes.
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