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Related papers: HERWIG version 5.9

200 papers

The HIJING (Heavy-ion Jet Interaction Generator) Monte Carlo model is updated with the latest parton distributions functions (PDF) and new set of the parameters in the two-component mini-jet model that controls total $p+p$ cross section and…

High Energy Physics - Phenomenology · Physics 2011-02-18 Wei-Tian Deng , Xin-Nian Wang , Rong Xu

We compare the three general-purpose Monte Carlo event generators, HERWIG, PYTHIA, and SHEPRA for jet photoproduction processes in $e^+e^-$ and $ep$ collisions. Due to the lower energy scales probed, photoproduction is particularly…

High Energy Physics - Phenomenology · Physics 2026-05-06 Ilkka Helenius , Peter Meinzinger , Simon Plätzer , Peter Richardson

With the advent and recent extension of the BLHA standard to interface Monte Carlo event generators and one-loop matrix element providers, the Herwig++ event generator has expanded its range of applicability to a multitude of underlying…

This is the user's manual of MC@NLO 3.2. 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 S. Frixione , B. R. Webber

We present a Monte Carlo event generator specifically developed for the study of hadronic two-photon fusion events in two-photon scattering at electron-positron colliders. The code enables the generation of events with exact leading-order…

High Energy Physics - Phenomenology · Physics 2025-11-18 Max Lellmann , Igor Danilkin , Achim Denig , Jan Muskalla , Christoph F. Redmer , Xiu-Lei Ren , Marc Vanderhaeghen

A WEB-portal HepWeb allows users to perform the most popular calculations in high energy physics - calculations of hadron-hadron, hadron-nucleus and nucleus-nucleus interaction cross sections as well as calculations of secondary particles…

High Energy Physics - Phenomenology · Physics 2012-09-03 E. I. Alexandrov , V. M. Kotov , V. V. Uzhinsky , P. V. Zrelov

The Monte Carlo integrator HAWK provides precision predictions for Higgs production at hadron colliders in vector-boson fusion and Higgs strahlung, i.e. in production processes where the Higgs boson is Attached to WeaK bosons. The fully…

High Energy Physics - Phenomenology · Physics 2016-05-04 Ansgar Denner , Stefan Dittmaier , Stefan Kallweit , Alexander Mück

We review the modelling of multiple interactions in the event generator Herwig++ and study implications of recent tuning efforts to Tevatron and LHC data. It is often said that measurements of the effective cross section for double-parton…

High Energy Physics - Phenomenology · Physics 2015-06-16 Michael H. Seymour , Andrzej Siodmok

We present an extension to the colour reconnection model in the Monte-Carlo event generator Herwig to account for the production of baryons and compare it to a series of observables for soft physics. The new model is able to improve the…

High Energy Physics - Phenomenology · Physics 2018-03-05 Stefan Gieseke , Patrick Kirchgaeßer , Simon Plätzer

We present preliminary results with HIJING++ (3.1.1) for identified hadron production in high-energy heavy ion collisions at LHC energies. The recently developed HIJING++ version is based on the latest version of PYTHIA8 and contains all…

We present a model for generating spacetime coordinates in the Monte Carlo event generator Herwig 7, and perform colour reconnection by minimizing a boost-invariant distance measure of the system. We compare the model to a series of soft…

High Energy Physics - Phenomenology · Physics 2019-12-20 Johannes Bellm , Cody B Duncan , Stefan Gieseke , Miroslav Myska , Andrzej Siódmok

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

Sherpa is a general-purpose Monte Carlo event generator for the simulation of particle collisions in high-energy collider experiments. We summarise new developments, essential features, and ongoing improvements within the Sherpa 3 release…

Hadron production in lepton-nucleus interactions at high-energies is considered in framework of developing Monte Carlo event generator HARDPING (HARD Probe INteraction Generator). Such effects as formation length, energy loss and multiple…

High Energy Physics - Phenomenology · Physics 2015-06-04 Yaroslav Berdnikov , Alexey Ivanov , Victor Kim , Victor Murzin

We release an event generator package, GR@PPA 2.9, for simulating the direct (single) photon and diphoton (double photon) production in hadron collisions. The included programs were used in our previous studies, in which we have explicitly…

High Energy Physics - Phenomenology · Physics 2018-08-15 Shigeru Odaka , Yoshimasa Kurihara

We describe a Monte Carlo event generator for the simulation of QCD-instanton induced processes in deep-inelastic scattering (HERA). The QCDINS package is designed as an ``add-on'' hard process generator interfaced to the general hadronic…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Ringwald , F. Schrempp

Reaching the desired precision level for W and Z processes at the LHC will require a mixture of higher-order QCD and electroweak corrections. HERWIRI2 is a step in implementing QED x QCD exponentiation in a hadronic event generator. This…

High Energy Physics - Phenomenology · Physics 2013-11-22 Scott A. Yost , Valerie Halyo , Miroslav Hejna , B. F. L. Ward

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

Beyond 2025 we will enter the High-Luminosity era of the LHC, right after the upgrades of the third Long Shutdown of the Large Hadron Collider (LHC). The ongoing state-of-the-art experimental instrument upgrades require high-performance…

The AcerMC Monte Carlo generator is dedicated to the generation of Standard Model background processes which were recognised as critical for the searches at LHC, and generation of which was either unavailable or not straightforward so far.…

High Energy Physics - Phenomenology · Physics 2012-11-15 Borut Paul Kersevan , Elzbieta Richter-Was