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Event generation with SHERPA 1.1
In this paper the current release of the Monte Carlo event generator Sherpa, version 1.1, is presented. Sherpa is a general-purpose tool for the simulation of particle collisions at high-energy
Comix, a new matrix element generator
A new tree-level matrix element generator, based on the color dressed Berends-Giele recursive relations, is presented, dedicated to be used with large multiplicities and color sampling.
Handbook of LHC Higgs cross sections: 4. Deciphering the nature of the Higgs sector
This Report summarizes the results of the activities of the LHC Higgs Cross Section Working Group in the period 2014-2016. The main goal of the working group was to present the state-of-the-art of
QCD matrix elements and truncated showers
We derive an improved prescription for the merging of matrix elements with parton showers, extending the CKKW approach. A flavour-dependent phase space separation criterion is proposed. We show that
Matching Parton Showers and Matrix Elements
We compare different procedures for combining fixed-order tree-level matrix element generators with parton showers. We use the case of W-production at the Tevatron and the LHC to compare different
Left-handed W bosons at the LHC
The production of W bosons in association with jets is an important background to new physics at the LHC. Events in which the W carries large transverse momentum and decays leptonically lead to large
Hard photon production and matrix-element parton-shower merging
We present a Monte Carlo approach to prompt-photon production, where photons and QCD partons are treated democratically. The photon fragmentation function is modeled by an interleaved
Drell-Yan lepton pair production at NNLO QCD with parton showers
We present a simple approach to combine NNLO QCD calculations and parton showers, based on the unlops technique. We apply the method to the computation of Drell-Yan lepton-pair production at the
Precision studies of observables in pp→ W→ lνl and pp→ γ, Z→ l+l- processes at the LHC
This report was prepared in the context of the LPCC Electroweak Precision Measurements at the LHC WG (https://lpcc.web.cern.ch/lpcc/index.php?page=electroweak_wg) and summarizes the activity of a
The Tools and Monte Carlo working group : Summary Report
This is the summary and introduction to the proceedings contributions for the Les Houches 2009 “Tools and Monte Carlo” working group.