Associated production of charged Higgs bosons and top quarks with POWHEGReport as inadecuate




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The European Physical Journal C

, 72:2088

First Online: 07 September 2012Received: 07 March 2012Revised: 16 June 2012

Abstract

The associated production of charged Higgs bosons and top quarks at hadron colliders is an important discovery channel to establish the existence of a non-minimal Higgs sector. Here, we present details of a next-to-leading order NLO calculation of this process using the Catani–Seymour dipole formalism and describe its implementation in POWHEG, which allows to match NLO calculations to parton showers. Numerical predictions are presented using the PYTHIA parton shower and are compared to those obtained previously at fixed order, to a leading order calculation matched to the PYTHIA parton shower, and to a different NLO calculation matched to the HERWIG parton shower with MC@NLO. We also present numerical predictions and theoretical uncertainties for various Two Higgs Doublet Models at the Tevatron and LHC.

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Author: Michael Klasen - Karol Kovařík - Paolo Nason - Carole Weydert

Source: https://link.springer.com/



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