Matching of Resummed NLLA with Fixed NNLO for Event Shapes

Abstract

We report work on the matching of the next-to-leading logarithmic approximation (NLLA) onto the fixed next-to-next-to-leading order (NNLO) calculation for event shape variables in electron-positron annihilation. The correction of the combined NLLA+NNLO computation in the three-jet region, relevant for precision phenomenology, is small compared with pure NNLO or NLLA+NLO.

Proceedings of a parallel talk at ICHEP08, Philadelphia, USA, July 2008. 4 pages, LaTeX

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