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

2012/08/13 by Maria Vittoria Garzelli, M. V. Garzelli, A. Kardos +5 · 19 citations
Physics and Astronomy · #Bar (unit) #Hadronization #High-Energy Particle Collisions Research #Large Hadron Collider #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Parton #Parton shower #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #hep-ph

paper · pdf · doi:10.1007/jhep11(2012)056

published as JHEP 1211(2012) 056 · 21 pages 12 figures

arxiv created 2012/08/13 · openalex publication_date 2012/11/01 · arxiv updated 2012/12/03 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

A bstract 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.

Citations

• Search for New Physics with Same-Sign Isolated Dilepton Events with Jets and Missing Transverse Energy
• The anti-ktjet clustering algorithm
• Review of Particle Physics

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