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We analyze correlations between the event-plane angles in different intervals of pseudorapidity within the 3+1-dimensional viscous hydrodynamics with the Glauber-model initial conditions. As predicted earlier, the fluctuations in the…

核理论 · 物理学 2015-06-11 Piotr Bozek , Wojciech Broniowski , Adam Olszewski

We apply divergence-type theory (DTT) dissipative hydrodynamics to study the 2+1 space-time evolution of the fireball created in Au+Au relativistic heavy-ion collisions at $\sqrt{s_{NN}}=$200 GeV. DTTs are exact hydrodynamic theories that…

高能物理 - 唯象学 · 物理学 2010-12-02 J. Peralta-Ramos , E. Calzetta

We develop an event-by-event ideal hydrodynamical framework where initial state density fluctuations are present and where we use a similar flow-analysis method as in the experiments to make a one-to-one $v_2$ comparison with the measured…

高能物理 - 唯象学 · 物理学 2015-05-20 Hannu Holopainen , Harri Niemi , Kari J. Eskola

Anisotropic flow of hadronic matter is considered as a sensitive tool to detect the early stage dynamics of high-energy heavy-ion collisions. Taking the event by event fluctuations of the collision geometry into account, the elliptic flow…

核理论 · 物理学 2018-04-17 Soumya Sarkar , Provash Mali , Amitabha Mukhopadhyay

Correlation measurements imply that anisotropic flow in nuclear collisions includes a novel triangular component along with the more familiar elliptic-flow contribution. Triangular flow has been attributed to event-wise fluctuations in the…

核理论 · 物理学 2013-05-30 Sean Gavin , George Moschelli

The transverse momentum anisotropy of the particles produced in heavy ion collisions is one of the most important experimental observable to investigate the collective behavior of the systems created in such collisions. Recent studies show…

高能物理 - 唯象学 · 物理学 2015-06-18 Jun Takahashi , Rafael Derradi de Souza , David Dobrigkeit Chinellato

The relative correlation between the magnitudes of elliptic flow ($v_2$) and triangular flow ($v_3$) has been accurately measured in nucleus-nucleus collisions at the LHC collider. As a function of the centrality of the collision, it…

核理论 · 物理学 2025-12-08 Mubarak Alqahtani , Jean-Yves Ollitrault

We study the elliptic flow systematically from SIS to RHIC energies in a realistic dynamical cascade model. We compile our results with the recent data from STAR and PHOBOS experiments on elliptic flow of charged particles in Au + Au…

核理论 · 物理学 2007-05-23 P. K. Sahu , N. Otuka , A. Ohnishi

A Multi-Phase Transport (AMPT) model is used to study the elliptic flow fluctuations of identified particles using participant and spectator event planes. The elliptic flow measured using the first order spectator event plane is expected to…

核实验 · 物理学 2020-09-08 Niseem Magdy , Xu Sun , Zhenyu Ye , Olga Evdokimov , Roy A. Lacey

We present a systematic study of elliptic flow as a function of centrality, pseudorapidity, transverse momentum and energy for Cu+Cu and Au+Au collisions from the PHOBOS experiment. New data on elliptic flow in Cu+Cu collisions at 22.4 GeV…

核实验 · 物理学 2019-08-14 Rachid Nouicer

Elliptic flow (v_2) of \phi-meson is shown to be a sensitive probe of the partonic collectivity using A Multi Phase Transport (AMPT) model. Within the ambit of the AMPT model with partonic interactions (string melting version), the…

核实验 · 物理学 2015-06-12 Md. Nasim , Bedangadas Mohanty , Nu Xu

We calculate the yield and elliptic flow of mid-rapidity dileptons emitted from the quark-gluon plasma generated in Pb-Pb collisions at LHC. We use relativistic anisotropic hydrodynamics for the 3+1 dimensional evolution of the quark-gluon…

高能物理 - 唯象学 · 物理学 2019-02-26 Babak S. Kasmaei , Michael Strickland

We study the collision energy dependence of elliptic flow v_2 and triangular flow v_3 in Au+Au collisions within the energy range sqrt(s_{NN}) = 5-200 GeV, utilizing a transport + hydrodynamics hybrid model. The transport part is described…

核理论 · 物理学 2014-04-11 Jussi Auvinen , Hannah Petersen

In this paper, by using a Tsallis-Pareto-type function and the multisource thermal model, the elliptic flow coefficients of particles $\pi ^{\pm }$, $K^{\pm }$, $p+\overline{p}$, $\Lambda +\overline{% \Lambda }$, and $K_{S}^{0}$ produced in…

高能物理 - 唯象学 · 物理学 2019-08-13 Er-Qin Wang , Yin-Qun Ma , Li-Na Gao , San-Hong Fan

The elliptic flow $v_2$ and the ratio of the shear viscosity over the entropy density, $\eta/s$, of gluon matter are calculated from the perturbative QCD (pQCD) based parton cascade Boltzmann approach of multiparton scatterings. For Au+Au…

核理论 · 物理学 2008-11-26 Zhe Xu , Carsten Greiner , Horst Stoecker

Recently the effect of nucleon shadowing on the Monte-Carlo Glauber initial condition was studied and its role on the centrality dependence of elliptic flow ($v_2$) and fluctuations in initial eccentricity for different colliding nuclei…

核理论 · 物理学 2018-03-14 Pingal Dasgupta , Rupa Chatterjee , Sushant K. Singh , Jan-e Alam

The beam energy dependence of the elliptic flow,$v_2$, is studied in mid-central Au+Au collisions in the energy range of $3\leq \sqrt{s_{NN}} \leq 30$ GeV within the microscopic transport model JAM. The results of three different modes of…

Partonic matter produced in the early stage of ultrarelativistic nucleus-nucleus collisions is assumed to be composed mainly of gluons, and quarks and antiquarks are produced at later times. The comparable hydrodynamic simulations of…

The goal of the Multi-Purpose Detector (MPD) experiment at NICA collider is to explore the QCD phase diagram of strongly interacting matter produced in nucleus-nucleus collisions at $\sqrt{s_{NN}}=4-11$ GeV. The performance of MPD detector…

核实验 · 物理学 2022-09-21 Vinh Ba Luong , Dim Idrisov , Petr Parfenov , Arkadiy Taranenko , Alexander Demanov

Simulated results from a 2+1D relativistic viscous hydrodynamic model have been compared to the experimental data on the centrality dependence of invariant yield, elliptic flow ($v_{2}$), and hexadecapole flow ($v_{4}$) as a function of…

核理论 · 物理学 2013-04-30 Victor Roy , A. K. Chaudhuri , Bedangadas Mohanty
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