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Related papers: Herwig++

200 papers

A new release of the Monte Carlo program Herwig++ (version 2.5) is now available. This version comes with a number of improvements including: new next-to-leading order matrix elements, including weak boson pair production; a colour…

High Energy Physics - Phenomenology · Physics 2011-02-09 S. Gieseke , D. Grellscheid , K. Hamilton , A. Papaefstathiou , S. Plätzer , P. Richardson , C. A. Röhr , P. Ruzicka , A. Siódmok , L. Suter , D. Winn

In this contribution we describe the new model of multiple partonic interactions (MPI) that has been implemented in Herwig++. Tuning its two free parameters is enough to find a good description of CDF underlying event data. We show…

High Energy Physics - Phenomenology · Physics 2008-09-17 Manuel Bähr , Stefan Gieseke , Michael H. Seymour

I discuss the state of the art and outline direction for research in event generation for electroweak physics at LEP2 and e+e- Linear Colliders.

High Energy Physics - Phenomenology · Physics 2011-04-15 Thorsten Ohl

Event generators play a crucial role in the exploration of LHC physics. This presentation summarizes news and plans for the three general-purpose pp generators HERWIG, PYTHIA and SHERPA, as well as briefer notes on a few other generators.…

High Energy Physics - Phenomenology · Physics 2016-08-24 Torbjörn Sjöstrand

We give a status report on new developments within the Whizard event generator. Important new features comprise NLO electroweak automation (incl. extension to BSM processes like SMEFT), loop-induced processes and new developments in the UFO…

The status of event generators for SUSY processes at future Linear Colliders is briefly reviewed.

High Energy Physics - Phenomenology · Physics 2007-05-23 Frank E. Paige

In this contribution the new event generation framework Sherpa will be presented. It aims at the full simulation of events at current and future high-energy experiments, in particular the LHC. Some results related to the production of jets…

High Energy Physics - Phenomenology · Physics 2008-12-18 T. Gleisberg , S. Hoeche , F. Krauss , A. Schaelicke , S. Schumann , J. Winter

In this contribution we describe a new model of multiple partonic interactions that has been implemented in Herwig++. Tuning its two free parameters we find a good description of CDF underlying event data. We show extrapolations to the LHC…

High Energy Physics - Phenomenology · Physics 2008-06-27 Manuel Bähr , Stefan Gieseke , Michael H. Seymour

This is the user's manual of MC@NLO 4.0. This package is a practical implementation, based upon the Fortran HERWIG and Herwig++ event generators, of the MC@NLO formalism, which allows one to incorporate NLO QCD matrix elements consistently…

High Energy Physics - Phenomenology · Physics 2010-10-06 Stefano Frixione , Fabian Stoeckli , Paolo Torrielli , Bryan R. Webber , Chris D. White

This summarizes the talk given at the LCWS 2019 conference in Sendai, Japan, on the progress of the WHIZARD event generator in terms of new physics features and technical improvements relevant for the physics programme of future lepton and…

High Energy Physics - Phenomenology · Physics 2020-03-05 Jürgen Reuter , Simon Braß , Pia Bredt , Wolfgang Kilian , Thorsten Ohl , Vincent Rothe , Pascal Stienemeier

Pythia 8, the C++ rewrite of the commonly-used Pythia event generator, is now available in a first full-fledged version 8.1. The older Pythia 6.4 generator in Fortran 77 is still maintained, for now, but users are strongly recommended to…

High Energy Physics - Phenomenology · Physics 2008-09-02 Torbjörn Sjöstrand

We describe the implementation details of the colour reconnection model in the event generator Herwig++. We study the impact on final-state observables in detail and confirm the model idea from colour preconfinement on the basis of studies…

High Energy Physics - Phenomenology · Physics 2012-11-19 Stefan Gieseke , Christian Röhr , Andrzej Siódmok

We review the implementation of a model for multiple partonic interactions in Herwig++. Moreover, we show how recent studies on the colour structure of events in Herwig++ led to a significant improvement in the description of soft inclusive…

High Energy Physics - Phenomenology · Physics 2013-02-21 Stefan Gieseke , Christian Rohr , Andrzej Siodmok

This thesis describes the development of two independent computer programs, Herwig++ and Effective. Both of these programs are used for phenomenological predictions of high energy physics. Herwig++ is used to simulate events as measured at…

High Energy Physics - Phenomenology · Physics 2007-05-23 Philip Stephens

We describe the recent developments to extend the multi-parton interaction model of underlying events in Herwig++ into the soft, non-perturbative, regime. This allows the program to describe also minimum bias collisions in which there is no…

High Energy Physics - Phenomenology · Physics 2009-05-29 Manuel Bahr , Jonathan M. Butterworth , Stefan Gieseke , Michael H. Seymour

This is the user's manual of MC@NLO 3.1. This package is a practical implementation, based upon the HERWIG event generator, of the MC@NLO formalism, which allows one to incorporate NLO QCD matrix elements consistently into a parton shower…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefano Frixione , Bryan R. Webber

This is the user's manual of [email protected]. This package is a practical implementation, based upon the HERWIG event generator, of the recently proposed MC@NLO formalism for matching the next-to-leading order calculation of a QCD process with a…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Frixione , B. R. Webber

In this paper we describe Herwig++ version 2.3, a general-purpose Monte Carlo event generator for the simulation of hard lepton-lepton, lepton-hadron and hadron-hadron collisions. A number of important hard scattering processes are…

High Energy Physics - Phenomenology · Physics 2009-09-29 M. Bahr , S. Gieseke , M. A. Gigg , D. Grellscheid , K. Hamilton , O. Latunde-Dada , S. Platzer , P. Richardson , M. H. Seymour , A. Sherstnev , J. Tully , B. R. Webber

We describe recent additions to the WHIZARD 2 Monte-Carlo event generator which improve the physics description of lepton-collider event samples and speed up the calculation time required for cross sections and event generation.

High Energy Physics - Phenomenology · Physics 2018-01-25 W. Kilian , S. Brass , T. Ohl , J. Reuter , V. Rothe , P. Stienemeier , M. Utsch

This contribution provides brief descriptions the current status of the basic Monte Carlo event generators for top-quark production and decays.

High Energy Physics - Phenomenology · Physics 2007-05-23 S. R. Slabospitsky