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Related papers: The iEBE-VISHNU code package for relativistic heav…

200 papers

We describe a pseudo-3D photoionization code, NEBU_3D and its associated visualization tool, VIS_NEB3D, which are able to easily and rapidly treat a wide variety of nebular geometries, by combining models obtained with a 1D photoionization…

Astrophysics · Physics 2009-11-13 C. Morisset , G. Stasinska , M. Pena

We report on the development of a test-particle based kinetic Monte Carlo code for large systems and its application to simulate matter in the continuum regime. Our code combines advantages of the Direct Simulation Monte Carlo and the…

Fluid Dynamics · Physics 2014-07-31 Irina Sagert , Wolfgang Bauer , Dirk Colbry , Rodney Pickett , Terrance Strother

An effective computer program for three dimensional relativistic hydrodynamical model has been developed. It implements a new approach to the early hot phase of relativistic heavy-ion collisions. The computer program simulates time-space…

Nuclear Theory · Physics 2009-11-11 Daniel Kikola , Wiktor Peryt , Yuri M. Sinyukov , Marcin Slodkowski , Marek Szuba

We present an extension to the Pythia Monte Carlo event generator that enables simulations of collisions between a generic hadron beam on a nuclear target with energy variation in event-by-event basis. This builds upon Pythia's module for…

High Energy Physics - Phenomenology · Physics 2024-11-25 Ilkka Helenius , Marius Utheim

We present calculations of bulk properties and multiparticle correlations in a large variety of collision systems within a hybrid formalism consisting of IP-Glasma initial conditions, MUSIC viscous relativistic hydrodynamics, and UrQMD…

Nuclear Theory · Physics 2020-10-21 Bjoern Schenke , Chun Shen , Prithwish Tribedy

A relativistic 3-fluid 3D hydrodynamic model has been developed for describing heavy-ion collisions at incident energies between few and $\sim$ 200 A$\cdot$GeV. In addition to two baryon-rich fluids which simulate mutually decelerating…

Nuclear Theory · Physics 2007-05-23 V. D. Toneev , Yu. B. Ivanov , E. G. Nikonov , W. Noerenberg , V. N. Russkikh

We compare v2/{\epsilon}2 and v3/{\epsilon}3 from single-shot and event-by-event (2+1)-dimensional hydrodynamic calculations and discuss the validity of using single-shot calculations as substitutes for event-by-event calculations. Further…

Nuclear Theory · Physics 2012-04-26 Zhi Qiu , Ulrich W Heinz

We systematically compare an event-by-event transport+viscous hydrodynamics hybrid model to data from the RHIC beam energy scan using a general Bayesian method. We demonstrate how the inclusion of multistrange hadron observables affects the…

Nuclear Theory · Physics 2017-03-08 Jussi Auvinen , Krzysztof Redlich , Steffen A. Bass

We study flow phenomena in relativistic heavy-ion collisions, both in transverse and radial direction, in comparison to experimental data. The collective dynamics of the nucleus-nucleus collision is described within a transport model of the…

Nuclear Theory · Physics 2007-05-23 A. Hombach , W. Cassing , S. Teis , U. Mosel

Transport simulations are very valuable for extracting physics information from heavy-ion collision experiments. With the emergence of many different transport codes in recent years, it becomes important to estimate their robustness in…

We analyze non-central heavy-ion collisions at the relativistic energy within a full (3+1) dimensional hydrodynamic model. First, the initial parameters in the hydrodynamic model are chosen so that we reproduce the experimental data of both…

Nuclear Theory · Physics 2007-05-23 Tetsufumi Hirano , Keiichi Tsuda , Kohei Kajimoto

I present a brief review of the existing models for particle multiplicity evaluation in heavy ion collisions which are at our disposal in the form of Monte Carlo simulators. Models are classified according to the physical mechanisms with…

High Energy Physics - Phenomenology · Physics 2009-11-10 N. Armesto

We develop a 1+1 dimensional hydrodynamical model for central heavy-ion collisions at ultrarelativistic energies. Deviations from Bjorken's scaling are taken into account by implementing finite-size profiles for the initial energy density.…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. M. Satarov , I. N. Mishustin , A. V. Merdeev , H. Stoecker

We review integrated dynamical approaches to describe heavy ion reaction as a whole at ultrarelativistic energies. Since final observables result from all the history of the reaction, it is important to describe all the stages of the…

Nuclear Theory · Physics 2015-06-04 Tetsufumi Hirano , Pasi Huovinen , Koichi Murase , Yasushi Nara

In this paper, we investigate the hydrodynamic collectivity in high-multiplicity events of proton-proton collisions at $\sqrt{s}=$ 13 TeV, using iEBE-VISHNU hybrid model with three different initial conditions, namely, HIJING, super-MC and…

Nuclear Theory · Physics 2020-10-28 Wenbin Zhao , You Zhou , Koichi Murase , Huichao Song

In this proceeding, we review our recent work using deep convolutional neural network (CNN) to identify the nature of the QCD transition in a hybrid modeling of heavy-ion collisions. Within this hybrid model, a viscous hydrodynamic model is…

We investigate the effects of event-by-event hydrodynamic fluctuations on bottomonium nuclear modification factors and elliptic flow in Pb--Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV. The internal evolution of the heavy quarkonium is…

Nuclear Theory · Physics 2026-05-07 Jiamin Liu , Yiyun Tang , Linyuan Wei , Baoyi Chen

We have developed a next-generation hybrid event-by-event three-fluid hydrodynamic model, suitable for simulations of heavy-ion collisions in the energy range from few up to tens of GeV per colliding NN pair. At such energies the…

Nuclear Theory · Physics 2024-10-10 Jakub Cimerman , Iurii Karpenko , Boris Tomasik , Pasi Huovinen

We present results of simulations of light-nuclei production in relativistic heavy-ion collisions within updated Three-fluid Hydrodynamics-based Event Simulator Extended by UrQMD (Ultra-relativistic Quantum Molecular Dynamics) final State…

Nuclear Theory · Physics 2023-02-15 M. Kozhevnikova , Yu. B. Ivanov

The effects of viscosity and small-scale atomic-level mixing on plasmas in inertial confinement fusion (ICF) currently represent challenges in ICF research. Many current ICF hydrodynamic codes ignore the effects of viscosity though recent…

Plasma Physics · Physics 2015-12-09 Erik L. Vold , Archis S. Joglekar , Mario I. Ortega , Ryan Moll , Daniel Fenn , Kim Molvig