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arxiv: 1202.6336 · v1 · pith:TL5DEXRHnew · submitted 2012-02-28 · ✦ hep-ph

Thrust distribution resummation in e⁺e⁻ collisions

classification ✦ hep-ph
keywords distributionresummationcollisionsfixed-ordernnllthrustaccuracyapproximation
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In this talk we report on the recent progresses on IR logarithms resummation for the Thrust distribution in e^{+}e^{-} collisions. Using renormalisation group (RG) evolution in Laplace space, the resummation of logarithmically enhanced corrections is performed to next-to-next-to-leading logarithmic (NNLL) accuracy. To combine the resummed expressions with the fixed-order results, we derive the log(R)-matching and R-matching of the NNLL approximation to the fixed-order NNLO distribution.

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