Event Shape Variables at NLLA+NNLO

Abstract

In this talk we report work on the matching of the next-to-leading logarithmic approximation (NLLA) onto the fixed next-to-next-to-leading order (NNLO) calculations for event shape distributions in electron-positron annihilation. Furthermore we present preliminary results on the determination of the strong coupling constant obtained using NLLA+NNLO predictions and ALEPH data.

5 pages, 2 figs. Proceedings of a parallel talk given at LCWS08, Chicago, IL, USA, 11/16-20/2008

References in corpus (4)

• NNLO corrections to 3-jet observables in electron-positron annihilation
• First determination of the strong coupling constant using NNLO predictions for hadronic event shapes in e^+e^- annihilations
• Non-Perturbative Contribution to the Thrust Distribution in $e^{+}{e}^{-}$ Annihilation
• Matching NLLA+NNLO for event shape distributions