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Related papers: Soft Interactions in Herwig

200 papers

We present a new version of the hadron interaction event generator Sibyll. While the core ideas of the model have been preserved, the new version handles the production of baryon pairs and leading particles in a new way. In addition,…

High Energy Physics - Phenomenology · Physics 2020-09-09 Felix Riehn , Ralph Engel , Anatoli Fedynitch , Thomas K. Gaisser , Todor Stanev

A new release of the Monte Carlo event generator Herwig++ (version 2.7) is now available. This version comes with a number of improvements including: an interface to the Universal FeynRules Output (UFO) format allowing the simulation of a…

High Energy Physics - Phenomenology · Physics 2013-10-28 J. Bellm , S. Gieseke , D. Grellscheid , A. Papaefstathiou , S. Platzer , P. Richardson , C. Rohr , T. Schuh , M. H. Seymour , A. Siodmok , A. Wilcock , B. Zimmermann

The physics content of the QGSJET-III Monte Carlo generator of high energy hadronic collisions is described. In particular, a phenomenological implementation of higher twist corrections to hard parton scattering processes is discussed in…

High Energy Physics - Phenomenology · Physics 2024-01-15 Sergey Ostapchenko

We describe the elements of the GLM model that successfully describes soft hadronic interactions at energies from ISR to LHC. This model is based on a single Pomeron with a large intercept $\Delta_{\pom}$ = 0.23 and slope $\alpha_{\pom}'$ =…

High Energy Physics - Phenomenology · Physics 2013-04-30 Errol Gotsman

We review the modelling of multiple interactions in the event generator Herwig++ and study implications of recent tuning efforts to LHC data. A crucial ingredient to a successful description of minimum-bias and underlying-event observables…

High Energy Physics - Phenomenology · Physics 2012-06-12 Stefan Gieseke , Christian Röhr , Andrzej Siódmok

The HERWIG 5.9 cluster hadronization model is briefly discussed here. It is shown that the model has peculiar behaviour when new heavy baryon resonances are included in the HERWIG 5.9 particle table. New fragmentation model is proposed to…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alexander Kupco

Final State Interactions effects are discussed in the context of Monte Carlo simulations of neutrino-nucleus interactions. A role of Formation Time is explained and several models describing this effect are compared. Various observables…

Nuclear Theory · Physics 2013-05-30 Tomasz Golan , Cezary Juszczak , Jan T. Sobczyk

We report on the development of a new model for the underlying event in hadron-hadron collisions. The model includes parton showers for all interactions, as well as non-trivial flavour, momentum, and colour correlations between interaction…

High Energy Physics - Phenomenology · Physics 2009-12-15 P. Skands , T. Sjöstrand

Recent developments in soft hadronic interactions are reviewed. Emphasis it put on measurements of the proton structure at low x, photon structure, diffraction and exclusive processes such as vector-meson production and their interpretation…

High Energy Physics - Experiment · Physics 2007-05-23 P. Schleper

In this paper we present a two channel model with the goal of reproducing the soft scattering data available in the ISR-Tevatron energy range, and extend the model results to LHC and Cosmic Rays energies. A characteristic feature of the…

High Energy Physics - Phenomenology · Physics 2007-11-05 E. Gotsman , E. Levin , U. Maor

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

We review the recent progress in the theoretical description and experimental observation of multiple parton interactions. Subjects covered include experimental measurements of minimum bias interactions and of the underlying event, models…

We present the Modular Algorithm for Relativistic Treatment of heavy IoN Interactions (MARTINI), an event generator for the hard and penetrating probes in high energy nucleus-nucleus collisions. The simulation consists of a time evolution…

High Energy Physics - Phenomenology · Physics 2010-11-02 Bjoern Schenke , Charles Gale , Sangyong Jeon

Hadronization is a critical step in the simulation of high-energy particle and nuclear physics experiments. As there is no first principles understanding of this process, physically-inspired hadronization models have a large number of…

High Energy Physics - Phenomenology · Physics 2023-07-25 Jay Chan , Xiangyang Ju , Adam Kania , Benjamin Nachman , Vishnu Sangli , Andrzej Siodmok

We construct a new Monte Carlo generator of events for neutrino interactions. The dynamical models for quasi-elastic reactions, $\Delta$ excitation and more inelastic events described by the DIS formalism with the PDFs modified according to…

High Energy Physics - Phenomenology · Physics 2009-11-11 Cezary Juszczak , Jaroslaw A. Nowak , Jan T. Sobczyk

In this paper we develop an approach to soft scattering processes at high energies,which is based on two mechanisms: Good-Walker mechanism for low mass diffractionand multi-Pomeron interactions for high mass diffraction. The pricipal idea,…

High Energy Physics - Phenomenology · Physics 2008-12-18 E. Gotsman , E. Levin , U. Maor , J. S. Miller

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

Accurate simulation of detector responses to hadrons is paramount for all physics programs at the Large Hadron Collider (LHC). Central to this simulation is the modeling of hadronic interactions. Unfortunately, the absence of…

High Energy Physics - Phenomenology · Physics 2023-10-12 Tuan Minh Pham , Xiangyang Ju

After an introduction to event generators we give an overview of developments in the field of joining matrix elements with parton showers. Starting with matrix element corrections, we also discuss implementations that match LO and NLO…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefan Gieseke

The Pythia event generator is used in several contexts to study hadron and lepton interactions, notably $pp$ and $p\bar{p}$ collisions. In this article we extend the hadronic modelling to encompass the collision of a wide range of hadrons…

High Energy Physics - Phenomenology · Physics 2022-01-26 Torbjörn Sjöstrand , Marius Utheim