Matching of Resummed NLLA with Fixed NNLO for Event Shapes

Details Matching of Resummed NLLA with Fixed NNLO for Event Shapes Matching of Resummed NLLA with Fixed NNLO for Event Shapes

2008-10-20

arxiv.org/abs/0810.3599v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

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.

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