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Related papers: Cluster Hadronization in HERWIG 5.9

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We present a new model for soft interactions in the event-generator Herwig. The model consists of two components. One to model diffractive final states on the basis of the cluster hadronization model and a second component that addresses…

High Energy Physics - Phenomenology · Physics 2017-04-05 Stefan Gieseke , Frashër Loshaj , Patrick Kirchgaeßer

We introduce a new model for soft interactions in the Monte Carlo event generator Herwig. We add a new model for the simulation of diffractive final states, based on the cluster hadronization model in Herwig. The soft component of the…

High Energy Physics - Phenomenology · Physics 2017-04-03 S. Gieseke , P. Kirchgaeßer , F. Loshaj

The modelling of the formation of colour-singlet hadrons from coloured partons, known as Hadronization, is crucial for generating realistic events in Monte Carlo Event Generators. Due to limited understanding of the non-perturbative regime,…

High Energy Physics - Phenomenology · Physics 2025-09-03 Michaela Divisova , Miroslav Myska , Pratixan Sarmah , Andrzej Siódmok

We present the Sherpa cluster hadronization model and a simple model for non-perturbative colour reconnections. Using two different parton shower implementations we tuned the model to data and we show typical resulting distributions that…

High Energy Physics - Phenomenology · Physics 2022-08-17 Gurpreet Singh Chahal , Frank Krauss

Herwig 7 is a general-purpose Monte Carlo generator of particle collisions comprising both hard perturbative as well as soft phenomenological physics. Herwig is therefore capable to describe the entire final state of hadronized particles in…

High Energy Physics - Phenomenology · Physics 2020-12-04 Johannes Bellm , Cody B. Duncan , Stefan Gieseke , Miroslav Myska , Andrzej Siodmok

Hadronization models used in event generators are physics-inspired functions with many tunable parameters. Since we do not understand hadronization from first principles, there have been multiple proposals to improve the accuracy of…

High Energy Physics - Phenomenology · Physics 2023-12-15 Jay Chan , Xiangyang Ju , Adam Kania , Benjamin Nachman , Vishnu Sangli , Andrzej Siodmok

This thesis discusses the phenomenological parton recombination approach to describe hadronization in heavy ion collisions. The very good agreement to RHIC data for the flow coefficients v_2 and v_4 is shown and extrapolations are used to…

Nuclear Theory · Physics 2009-01-26 Daniel Krieg

Some of the centrality experiments indicate regime change and saturation in the behavior of characteristics of the secondary particles. It is observed as a critical phenomenon for hadron-nuclear, nuclear-nuclear interactions and…

Nuclear Experiment · Physics 2008-11-26 M. K. Suleymanov , E. U. Khan , K. Ahmed , Mahnaz Q. Haseeb , Farida Tahir , Y. H. Huseynaliyev

A parton-hadron cascade model which is the extension of hadronic cascade model incorporating hard partonic scattering based on HIJING is presented to describe the space-time evolution of parton/hadron system produced by ultra-relativistic…

Nuclear Theory · Physics 2009-10-31 Yasushi Nara

This paper presents a novel method for the reconstruction of interaction vertices in particle collision data. The algorithm is an agglomerative clustering technique designed for high-luminosity environments in current and future…

Instrumentation and Detectors · Physics 2017-05-02 Federico Meloni

Strangeness and baryon enhancement in heavy ion collisions are discussed in the framework of the String Fusion Model. The Monte Carlo version of this model is shown to reasonably reproduce three of the features that have been pointed out as…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. S. Amelin , N. Armesto , C. Pajares , D. Sousa

We study clustering of baryons at the freeze-out point of relativistic heavy-ion collisions. Using a Walecka-Serot model for the nucleon-nucleon (NN) interaction we analyze how the modified/critical $\sigma$ mode---responsible for the NN…

High Energy Physics - Phenomenology · Physics 2019-08-08 Edward Shuryak , Juan M. Torres-Rincon

We discuss recent results on heavy and light baryon spectroscopy

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Valcarce , J. Vijande , P. Gonzalez , H. Garcilazo

We present a new model for the description of heavy-quark hadronization in relativistic heavy-ion collisions in the presence of a reservoir of lighter thermal particles with which recombination can occur leading to the formation of…

High Energy Physics - Phenomenology · Physics 2022-07-27 Andrea Beraudo , Arturo De Pace , Marco Monteno , Marzia Nardi , Francesco Prino

A review is given on the studies of formation of light clusters and heavier fragments in heavy-ion collisions at incident energies from several tens of MeV/nucleon to several hundred MeV/nucleon, focusing on dynamical aspects and on…

Nuclear Theory · Physics 2019-03-05 Akira Ono

We present a new model for soft interactions in the Monte Carlo event-generator Herwig. The soft diffractive final states are modeled on the basis of the cluster hadronization model and interactions between soft particles are modeled as…

High Energy Physics - Phenomenology · Physics 2017-08-02 Stefan Gieseke , Patrick Kirchgaeßer , Frasher Loshaj

In the context of Monte Carlo (MC) generators with parton showers that have next-to-leading-logarithmic (NLL) precision, the cutoff $Q_0$ terminating the shower evolution should be viewed as an infrared factorization scale so that…

High Energy Physics - Phenomenology · Physics 2025-06-25 André H. Hoang , Oliver L. Jin , Simon Plätzer , Daniel Samitz

We present additions to the MARTINI event generator for examining heavy quarks and quarkonia in heavy-ion collisions. All stages of a heavy-ion collision affect the observables associated with heavy quarks: the initial phase space of the…

Nuclear Theory · Physics 2013-05-30 Clint Young , Bjoern Schenke , Sangyong Jeon , Charles Gale

We briefly review the hadronization pictures adopted in the LUND String Fragmentation Model(LSFM), Webber Cluster Fragmentation Model(WCFM) and Quark Combination Model(QCM), respectively. Predictions of hadron multiplicity, baryon to meson…

High Energy Physics - Phenomenology · Physics 2010-10-28 Yi Jin , Zongguo Si , Qubing Xie , Tao Yao

In this article, we study the interactions of stable, hadronizing new states, arising in certain extensions of the Standard Model. A simple model, originally intended for stable gluino hadrons, is developed to describe the nuclear…

High Energy Physics - Experiment · Physics 2009-11-10 Aafke Christine Kraan