Matching NLO QCD computations with parton shower simulations: the POWHEG method

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Published 23 November 2007 Published under licence by IOP Publishing Ltd
, , Citation Stefano Frixione et al JHEP11(2007)070 DOI 10.1088/1126-6708/2007/11/070

1126-6708/2007/11/070

Abstract

The aim of this work is to describe in detail the POWHEG method, first suggested by one of the authors, for interfacing parton-shower generators with NLO QCD computations. We describe the method in its full generality, and then specify its features in two subtraction frameworks for NLO calculations: the Catani-Seymour and the Frixione-Kunszt-Signer approach. Two examples are discussed in detail in both approaches: the production of hadrons in e+e collisions, and the Drell-Yan vector-boson production in hadronic collisions.

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