One-loop Electro-Weak Corrections to Three-jet Observables of b-quarks in e+e- Annihilations

Abstract

We compute the full one-loop EW contributions of O(α_S alpha_EM^3) entering the electron-positron into two b-quarks and one gluon cross section at the Z peak and LC energies. We include both factorisable and non-factorisable virtual corrections, photon bremsstrahlung but not the real emission of W^\pm and Z bosons. Their importance for the measurement of alpha_S from jet rates and shape variables is explained qualitatively and illustrated quantitatively. Their impact on the forward-backward asymmetry is also analysed.

17 pages, 20 figures

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Cited by in corpus (3)

• Electroweak corrections to hadronic event shapes and jet production in e+e- annihilation
• Electroweak corrections to three-jet production in electron-positron annihilation
• One-loop Electro-Weak Corrections to the Event Orientation of e+e- into 3 jet Processes