A theoretical update on t \bar{t} production near threshold

Details A theoretical update on t \bar{t} production near threshold A theoretical update on t \bar{t} production near threshold

2006-04-04

arxiv.org/abs/hep-ph/0604032v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk presented at the International Workshop on Top Quark Physics, January 12-15 2006, Coimbra, Portugal

Scientific paper

We present an evaluation of the t\bar{t} cross section near threshold at next-to-next-to-leading logarithmic accuracy, using a two-step matching procedure. QED corrections are taken into account as well and are shown to be numerically important. Finally we give an outlook on how to further improve the theoretical predictions with particular emphasis on how to consistently include finite width effects.

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