Quark Mass Corrections to the Perturbative Thrust and its Effect on the determination of α_s
classification
✦ hep-ph
keywords
correctionsperturbativequarkalphamassespowerthrustalters
read the original abstract
We consider the effects of quark masses to the perturbative thrust in $e^+e^-$ annihilation. In particular we show that perturbative power corrections resulting from non-zero quark masses considerably alters the size of the non-perturbative power corrections and consequently, significantly changes the fitted value of $\alpha_s$.
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