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

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Theoretical expressions for ionization cross sections by electron impact based on the binary encounter Bethe (BEB) model, valid from ionization threshold up to relativistic energies, are proposed. The new modified BEB (MBEB) and its…

Atomic Physics · Physics 2013-06-13 M. Guerra , F. Parente , P. Indelicato , J. P. Santos

We introduce momentum-dependent scalar and vector fields into the Lorentz covariant relativistic BUU- (RBUU-) approach employing a polynomial ansatz for the relativistic nucleon-nucleon interaction. The momentum-dependent parametrizations…

Nuclear Theory · Physics 2015-06-26 Tomoyuki Maruyama , Wolfgang Cassing , Ulrich Mosel , Stefan Teis , Klaus Weber

Protons and heavy-ion beams at unprecedented energies are brought into collisions in the CERN Large Hadron Collider for high-energy experiments. The LHC multi-stage collimation system is designed to provide protection against regular and…

Accelerator Physics · Physics 2020-11-11 N. Fuster-Martínez

We propose to use the Balescu-Lenard-Vlasov (BLV) equation to describe relativistic heavy ion collisions. We use an inter-quark Richardson's potential consistent with the indications of Lattice QCD calculations. The color degrees of freedom…

High Energy Physics - Phenomenology · Physics 2016-09-06 A. Bonasera

We present refits of single inclusive cross section data of mesons and baryons for central 158 $AGeV$ Pb+Pb collisions measured by the NA44 and NA49 Collaborations. In the theoretical approach we use the relativistic hydrodynamical code…

Nuclear Theory · Physics 2007-05-23 B. R. Schlei , D. Strottman , N. Xu

Using 3+1D viscous relativistic fluid dynamics, we show that electromagnetic probes are sensitive to the initial conditions and to the out-of-equilibrium features of relativistic heavy-ion collisions. Within the same approach, we find that…

High Energy Physics - Phenomenology · Physics 2015-10-28 Gojko Vujanovic , Jean-Francois Paquet , Gabriel S. Denicol , Matthew Luzum , Bjoern Schenke , Sangyong Jeon , Charles Gale

Nucleon-ion and ion-ion collisions at non relativistic bombarding energies can be described by means of Monte Carlo approaches, such as those based on the Quantum Molecular Dynamics (QMD) model. We have developed a QMD code, to simulate the…

Nuclear Theory · Physics 2008-09-14 M. V. Garzelli

We present a fully three-dimensional model providing initial conditions for energy and conserved charge density distributions in heavy ion collisions at RHIC Beam Energy Scan (BES) collision energies. The model includes the dynamical…

Nuclear Theory · Physics 2019-02-20 Chun Shen , Björn Schenke

Modeling and direct numerical simulation of particle-laden flows have a tremendous variety of applications in science and engineering across a vast spectrum of scales from pollution dispersion in the atmosphere, to fluidization in the…

Using the newly developed hybrid model VISHNU which connects viscous hydrodynamics with a hadron cascade model, we study the differential and integrated elliptic flow v_2 at different centrality bins for 200 A GeV Au+Au collisions and 2.76…

Nuclear Theory · Physics 2015-03-19 Huichao Song , Steffen A. Bass , Ulrich W. Heinz

Considering applications to relativistic heavy-ion collisions, we develop a rapidity-dependent thermal model that includes thermal smearing effect and longitudinal boost. We calibrate the model with thermal yields obtained from a multistage…

Nuclear Theory · Physics 2023-12-15 Han Gao , Lipei Du , Sangyong Jeon , Charles Gale

We present VAH, a (3+1)-dimensional simulation that evolves the far-from-equilibrium quark-gluon plasma produced in ultrarelativistic heavy-ion collisions with anisotropic fluid dynamics. We solve the hydrodynamic equations on an Eulerian…

Nuclear Theory · Physics 2021-07-28 M. McNelis , D. Bazow , U. Heinz

Relativistic heavy ion collisions generate nuclear-sized droplets of quark-gluon plasma (QGP) that exhibit nearly inviscid hydrodynamic expansion. Smaller collision systems such as p+Au, d+Au, and $^{3}$He+Au at the Relativistic Heavy Ion…

Nuclear Theory · Physics 2020-04-29 M. Byres , S. H. Lim , C. McGinn , J. Ouellette , J. L. Nagle

We present results from a hybrid description of Cu+Cu collisions using 3+1 dimensional hydrodynamics (MUSIC) for the bulk evolution and a Monte-Carlo simulation (MARTINI) for the evolution of high momentum partons in the hydrodynamical…

High Energy Physics - Phenomenology · Physics 2011-05-05 Bjoern Schenke , Sangyong Jeon , Charles Gale

The first results from heavy ion collisions at the Large Hadron Collider for charged particle spectra and elliptic flow are compared to an event-by-event hybrid approach with an ideal hydrodynamic expansion. This approach has been shown to…

Nuclear Theory · Physics 2013-05-29 Hannah Petersen

This paper describes a multidimensional hydrodynamic code which can be used for the studies of relativistic astrophysical flows. The code solves the special relativistic hydrodynamic equations as a hyperbolic system of conservation laws…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Orhan Donmez , Refik Kayali

This study presents a correlation femtoscopy analysis of relativistic heavy-ion collisions at RHIC Beam Energy Scan (BES) energies using the extended integrated HydroKinetic Model (iHKMe). The model combines initial conditions from UrQMD…

High Energy Physics - Phenomenology · Physics 2025-06-25 Vladislav Naboka , Yuri Sinyukov , Musfer Adzhymambetov , Hanna Zbroszczyk

We study mutual dissociation of heavy nuclei in peripheral collisions at ultrarelativistic energies. Earlier this process was proposed for beam luminosity monitoring via simultaneous registration of forward and backward neutrons in zero…

Nuclear Theory · Physics 2008-11-26 I. A. Pshenichnov , J. P. Bondorf , I. N. Mishustin , A. Ventura , S. Masetti

We introduce an event-by-event pQCD + saturation + hydro ("EKRT") framework for high-energy heavy-ion collisions, where we compute the produced fluctuating QCD-matter energy densities from next-to-leading order (NLO) perturbative QCD (pQCD)…

High Energy Physics - Phenomenology · Physics 2015-09-10 K. J. Eskola , H. Niemi , R. Paatelainen

The ratio of shear viscosity over entropy density in low energy heavy-ion collision has been calculated by using the Green-Kubo method in the framework of an extended quantum molecular dynamics model. After the system almost reaching a…

Nuclear Theory · Physics 2017-06-06 C. Q. Guo , Y. G. Ma , W. B. He , X. G. Cao , D. Q. Fang , X. G. Deng , C. L. Zhou