T t- W ± + t t- Z hadroproduction at NLO accuracy in QCD with Parton Shower and Hadronization effects

M. V. Garzelli, A. Kardos, C. G. Papadopoulos, Z. Trócsányi

Research output: Contribution to journalArticle

103 Citations (Scopus)

Abstract

We present theoretical predictions for the hadroproduction of t t- W +, t t- W - and t t- Z at LHC as obtained by matching numerical computations at NLO accuracy in QCD with Shower Monte Carlo programs. The calculation is performed by PowHel, relying on the POWHEG-BOX framework, that allows for the matching between the fixed order computation, with input of matrix elements produced by the HELAC-NLO collection of event generators, and the Parton Shower evolution, followed by hadronization and hadron decays as described by PYTHIA and HERWIG. We focus on the dilepton and trilepton decay channels, studied recently by the CMS Collaboration.

Original languageEnglish
Article number056
JournalJournal of High Energy Physics
Volume2012
Issue number11
DOIs
Publication statusPublished - 2012

Keywords

  • NLO computations
  • QCD phenomenology

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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