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Related papers: Dynamical freeze-out criterion in event-by-event h…

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We used the blast wave model with Boltzmann Gibbs statistics and analyzed the experimental data measured by NA61/SHINE Collaboration in inelastic (INEL) proton-proton collisions at different rapidity slices at different center-of-mass…

Looking for the underlying hydrodynamic mechanisms determining the elliptic flow we show that for an expanding relativistic perfect fluid the transverse flow may derive from a solvable hydrodynamic potential, if the entropy is transversally…

Nuclear Theory · Physics 2009-09-24 Robi Peschanski , Emmanuel N. Saridakis

We study the importance of the initial state, baryon stopping and baryon number transport for the dynamical evolution of a strongly interacting system produced in heavy ion collisions. We employ a hybrid model, which combines the fluid…

Nuclear Theory · Physics 2013-05-30 J. Steinheimer , V. Koch , M. Bleicher

Dynamics of relativistic heavy-ion collisions is investigated on the basis of a simple (1+1)-dimensional hydrodynamical model in light-cone coordinates. The main emphasis is put on studying sensitivity of the dynamics and observables to the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Igor N. Mishustin

We present a coupled Boltzmann and hydrodynamics approach to relativistic heavy ion reactions. This hybrid approach is based on the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) transport approach with an intermediate hydrodynamical…

Nuclear Theory · Physics 2008-11-26 Hannah Petersen , Jan Steinheimer , Gerhard Burau , Marcus Bleicher , Horst Stöcker

We study the kinetic freeze out conditions of bulk hadrons in nuclear collisions. The transverse and longitudinal momentum spectra of the identified hadrons produced in central Au+Au and Pb+Pb collisions, in the beam energy range of $E_b =…

Nuclear Theory · Physics 2018-08-15 Sudhir Pandurang Rode , Partha Pratim Bhaduri , Amaresh Jaiswal , Ankhi Roy

We use a hydrodynamical model to describe the evolution of the collision system at collision energies sqrt{s}=130 and 200 GeV. At lower sqrt{s}=130 GeV energy we compare the results obtained assuming fast or slow thermalization…

Nuclear Theory · Physics 2009-11-07 P. Huovinen

We consider the superposition of a symmetric simple exclusion dynamics, speeded-up in time, with a spin-flip dynamics in a one-dimensional interval with periodic boundary conditions. We prove the hydrostatics and the dynamical large…

Probability · Mathematics 2016-10-14 Claudio Landim , Kenkichi Tsunoda

Global evolution of the matter in relativistic collisions of heavy nuclei and the resulting global freeze-out parameters are analyzed in a wide range of incident energies 2.7 GeV $\le \sqrt{s_{NN}}\le$ 39 GeV. The analysis is performed…

Nuclear Theory · Physics 2015-06-16 Yu. B. Ivanov

(Abstract is abridged for arXiv.) Identified mid-rapidity particle spectra and freeze-out properties are presented for 200 GeV pp, 200 GeV dAu and 62.4 GeV Au-Au collisions, measured in the STAR-TPC. Evolution of the identified particle…

Nuclear Experiment · Physics 2009-09-29 Levente Molnar

Hadron spectra and elliptic flow in relativistic heavy-ion collisions are studied in event-by-event (3+1)D ideal hydrodynamic simulations with fluctuating initial conditions given by the AMPT Monte Carlo model. Both the coherent soft gluon…

Nuclear Theory · Physics 2015-06-12 Longgang Pang , Qun Wang , Xin-Nian Wang

We analyze the transverse momentum spectra of charged pions measured in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV and in Pb+Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV using the Tsallis distribution modified to include transverse flow.…

High Energy Physics - Phenomenology · Physics 2015-05-21 Priyanka Sett , Prashant Shukla

The space-time structure of the multipion system created in central relativistic heavy-ion collisions is investigated. Using the microscopic transport model UrQMD we determine the freeze-out hypersurface from equation on pion density…

Nuclear Theory · Physics 2013-01-29 D. Anchishkin , V. Vovchenko , L. P. Csernai

We investigate the role of the initial condition used for the hydrodynamic evolution of the system formed in ultra-relativistic heavy-ion collisions and find that an appropriate choice motivated by the models of early-stage dynamics,…

Nuclear Theory · Physics 2008-11-26 Wojciech Broniowski , Mikolaj Chojnacki , Wojciech Florkowski , Adam Kisiel

We study one-particle spectra and a two-particle correlation function in the 130 GeV/nucleon Au+Au collisions at RHIC by making use of a hydrodynamical model. We calculate the one-particle hadronic spectra and present the first analysis of…

Nuclear Theory · Physics 2016-09-08 Tetsufumi Hirano , Kenji Morita , Shin Muroya , Chiho Nonaka

We introduce a combined macroscopic/microscopic transport approach employing relativistic hydrodynamics for the early, dense, deconfined stage of the reaction and a microscopic non-equilibrium model for the later hadronic stage where the…

Nuclear Theory · Physics 2009-11-06 S. A. Bass , A. Dumitru

The hydrokinetic model and the scheme of dynamical freeze out proposed earlier for the RHIC energy are extended to lower colliding energy for non-vanishing baryon chemical potential. In this case a new two-phase equation of state is applied…

Nuclear Theory · Physics 2010-12-13 Iu. A. ~Karpenko , A. S. ~Khvorostukhin , V. D. ~Toneev , Yu. M. ~Sinyukov

In this paper, we introduce a freeze-out scheme for the dynamical models near the QCD critical point through coupling the decoupled classical particles with the order parameter field. With a modified distribution function that satisfies…

Nuclear Theory · Physics 2016-09-14 Lijia Jiang , Pengfei Li , Huichao Song

The relativistic hydrodynamics together with the single-freeze-out statistical hadronization model is used to describe the midrapidity hadron production in ultra-relativistic heavy-ion collisions at RHIC and LHC. At the highest RHIC energy…

Nuclear Theory · Physics 2008-12-19 Wojciech Florkowski , Mikolaj Chojnacki , Wojciech Broniowski , Adam Kisiel

We have attempted to describe the rapidity and transverse momentum spectra, simultaneously, of the hadrons produced in the Ultra-relativistic Nuclear Collisions. This we have tried to achieve in a single statistical thermal freeze-out model…

High Energy Physics - Phenomenology · Physics 2015-05-20 Saeed Uddin , Jan Shabir Ahmad , Waseem Bashir , Riyaz Ahmad Bhat