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Related papers: TopReX generator (version~3.25). Short manual

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We review the physics basis, main features and use of general-purpose Monte Carlo event generators for the simulation of proton-proton collisions at the Large Hadron Collider. Topics included are: the generation of hard-scattering matrix…

The PYTHIA program is a standard tool for the generation of high-energy collisions, comprising a coherent set of physics models for the evolution from a few-body hard process to a complex multihadronic final state. It contains a library of…

High Energy Physics - Phenomenology · Physics 2010-04-06 Torbjörn Sjöstrand , Stephen Mrenna , Peter Skands

This is the users manual of the black-hole event generator BlackMax, which simulates the experimental signatures of microscopic and Planckian black-hole production and evolution at proton-proton, proton-antiproton and electron-positron…

High Energy Physics - Phenomenology · Physics 2009-02-23 De-Chang Dai , Cigdem Issever , Eram Rizvi , Glenn Starkman , Dejan Stojkovic , Jeff Tseng

We compare the fixed-order NLO QCD predictions for the $pp\to t\bar{t}t\bar{t}+X$ process in the $4\ell$ decay channel with the parton-shower based results obtained with the POWHEG and MC@NLO matching methods. In the first case, NLO QCD…

High Energy Physics - Phenomenology · Physics 2025-12-09 Manal Alsairafi , Nikolaos Dimitrakopoulos , Malgorzata Worek

We present a Monte Carlo generator that implements significant theoretical improvements in the simulation of top-quark pair production and decay at the LHC. Spin correlations and off-shell effects in top-decay chains are described in terms…

High Energy Physics - Phenomenology · Physics 2017-02-01 Tomáš Ježo , Jonas M. Lindert , Paolo Nason , Carlo Oleari , Stefano Pozzorini

We present a comprehensive black-hole event generator, BlackMax, which simulates the experimental signatures of microscopic and Planckian black-hole production and evolution at the LHC in the context of brane world models with low-scale…

High Energy Physics - Phenomenology · Physics 2008-11-26 De-Chang Dai , Glenn Starkman , Dejan Stojkovic , Cigdem Issever , Eram Rizvi , Jeff Tseng

The spin effects in the hadronization process have been included for the first time in the PYTHIA 8 event generator. The spin effects are limited to the production of pseudo-scalar mesons and are obtained from the propagation of the quark…

High Energy Physics - Phenomenology · Physics 2019-09-06 Albi Kerbizi , Leif Lönnblad

Monte Carlo Event Generators are tools for simulating outcomes of high-energy collisions and particle production in High Energy Physics (HEP), such as those conducted at the Large Hadron Collider (LHC). Two of the most widely used…

High Energy Physics - Experiment · Physics 2025-11-05 Saliha Bashir , Agnieszka Obłąkowska-Mucha , Gloria Corti

PEGASUS is a parton-level Monte-Carlo event generator designed to calculate cross sections for a wide range of hard QCD processes at high energy $pp$ and $p\bar p$ collisions, which incorporates the dynamics of transverse momentum dependent…

High Energy Physics - Phenomenology · Physics 2020-05-20 A. V. Lipatov , M. A. Malyshev , S. P. Baranov

We have successfully developed a technique to integrate an automatic event-generator generation system GRACE and a general-purpose event generator framework PYTHIA. The codes generated by GRACE are embedded in PYTHIA in the created event…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. Sato , S. Tsuno , J. Fujimoto , T. Ishikawa , Y. Kurihara , S. Odaka

An upgraded (second) version of the package GENXICC ({\bf A Generator for Hadronic Production of the Double Heavy Baryons $\Xi_{cc}$, $\Xi_{bc}$ and $\Xi_{bb}$ by C.H. Chang, J.X. Wang and X.G. Wu,} [its first version: in Comput. Phys.…

High Energy Physics - Phenomenology · Physics 2010-04-22 Chao-Hsi Chang , Jian-Xiong Wang , Xing-Gang Wu

PYTHIA is a general-purpose event generator for multiparticle production in high-energy physics. After a general introduction and program news survey, some areas of recent physics progress are considered: the matching to matrix elements,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Torbjörn Sjöstrand

HEP event generators aim to describe high-energy collisions in full exclusive detail. They combine perturbative matrix elements and parton showers with dynamical models of less well-understood phenomena such as hadronization, diffraction,…

High Energy Physics - Phenomenology · Physics 2014-12-12 Peter Skands

Recent improvements in the PYTHIA event generator are summarized: new hard subprocesses, gamma*-gamma* physics, QCD final-state showers, and more.

High Energy Physics - Phenomenology · Physics 2009-10-31 Torbjörn Sjöstrand

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 colliders. It contains a very flexible…

High Energy Physics - Phenomenology · Physics 2009-02-12 T. Gleisberg , S. Hoeche , F. Krauss , M. Schoenherr , S. Schumann , F. Siegert , J. Winter

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…

The evolution of the widely-used PYTHIA particle physics event generator is outlined, from the early days to the current status and plans. The key decisions and the development of the major physics components are put in context.

High Energy Physics - Phenomenology · Physics 2020-01-08 Torbjörn Sjöstrand

The structure of events in high-energy collisions is complex and not predictable from first principles. Event generators allow the problem to be subdivided into more manageable pieces, some of which can be described from first principles,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Torbjörn Sjöstrand

A summary of recent developments in the simulation of top quark production and decay in the Herwig Monte Carlo event generator.

High Energy Physics - Phenomenology · Physics 2018-01-19 Johannes Bellm , Kyle Cormier , Stefan Gieseke , Simon Plätzer , Christian Reuschle , Peter Richardson , Stephen Webster

We compare theoretical results for jet and prompt photon production in polarized pp-collisions at RHIC obained with three different methods: a) the unpolarized event generator PYTHIA combined with hadronic asymmetry weights calculated from…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. Martin , A. Schafer