NNLO QCD corrections to event shape variables in electron positron annihilation

Details NNLO QCD corrections to event shape variables in electron positron annihilation NNLO QCD corrections to event shape variables in electron positron annihilation

2007-09-26

arxiv.org/abs/0709.4221v1

J.Phys.Conf.Ser.110:022014,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Contributed to 2007 Europhysics Conference on High Energy Physics, Manchester, England 19-25 July 2007

Scientific paper

10.1088/1742-6596/110/2/022014

Precision studies of QCD at electron-positron colliders are based on measurements of event shapes and jet rates. To match the high experimental accuracy, theoretical predictions to next-to-next-to-leading order (NNLO) in QCD are needed for a reliable interpretation of the data. We report the first calculation of NNLO corrections O(alpha_s^3) to three-jet production and related event shapes, and discuss their phenomenological impact.

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