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Related papers: Triangular flow in hydrodynamics and transport the…

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Event-by-event fluctuations are central to the current understanding of ultrarelativistic heavy-ion collisions. In particular, fluctuations in the geometry of the early-time collision system are responsible for new phenomena such as…

Nuclear Theory · Physics 2011-11-03 Rajeev S. Bhalerao , Matthew Luzum , Jean-Yves Ollitrault

Collective flow and femtoscopy in ultrarelativistic 3He-Au collisions are investigated within the 3+1-dimensional (3+1D) viscous event-by-event hydrodynamics. We evaluate elliptic and triangular flow coefficients as functions of the…

Nuclear Theory · Physics 2015-03-03 Piotr Bozek , Wojciech Broniowski

In heavy ion collisions, event-by-event fluctuations in participating nucleon positions can lead to triangular flow. With fluctuating initial conditions, flow coefficients will also fluctuate. In a hydrodynamic model, we study the…

Nuclear Theory · Physics 2015-05-30 A. K. Chaudhuri

One of the long-standing problems in the field of high-energy heavy-ion collisions is that the dynamical models based on viscous hydrodynamics fail to describe the experimental elliptic flow $v_2$ and the triangular flow $v_3$…

Nuclear Theory · Physics 2023-05-31 Kenshi Kuroki , Azumi Sakai , Koichi Murase , Tetsufumi Hirano

The triangular flow in ultrarelativistic $^3$He-Au collisions at RHIC energies is enhanced due to the triangular arrangement of the nucleon configurations in $^3$He. We study the fireball eccentricities in the Glauber Monte Carlo model and…

Nuclear Theory · Physics 2015-06-22 Piotr Bozek , Wojciech Broniowski

We report on the first measurement of the triangular $v_3$, quadrangular $v_4$, and pentagonal $v_5$ charged particle flow in Pb-Pb collisions at 2.76 TeV measured with the ALICE detector at the CERN Large Hadron Collider. We show that the…

Nuclear Experiment · Physics 2017-09-29 ALICE Collaboration

We studied the relation between the initial geometry anisotropy and the anisotropic flow in a multiphase transport model (AMPT) for both Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}}$ = 200 GeV. It is found that unlike the elliptic flow…

Nuclear Theory · Physics 2012-01-16 Kai Xiao , Na Li , Shusu Shi , Feng Liu

Measurements of anisotropic flow in heavy-ion collisions provide evidence for the creation of strongly interacting matter which appears to behave as an almost ideal fluid. Anisotropic flow signals the presence of multiple interactions and…

Nuclear Experiment · Physics 2015-05-28 Ante Bilandzic

Viscous hydrodynamics gives a satisfactory description of the transverse momentum spectra, of the elliptic and triangular flow, and of the femtoscopic correlations for particles produced in relativistic heavy-ion collisions. On general…

Nuclear Theory · Physics 2014-05-08 Piotr Bozek , Wojciech Broniowski , Giorgio Torrieri

The initial geometry effect on collective flows, which are inherited from initial projectile structure, is studied in relativistic heavy-ion collisions of $^{12}$C + Au by using a multi-phase transport model (AMPT). Elliptic flow ($v_2$)…

Nuclear Theory · Physics 2017-06-21 S. Zhang , Y. G. Ma , J. H. Chen , W. B. He , C. Zhong

The effects of event-by-event fluctuations in the initial geometry of the colliding nuclei are important in the analysis of final flow observables in relativistic heavy-ion collisions. We use hydrodynamic simulations to study the amplitude…

Nuclear Theory · Physics 2016-09-14 Jing Qian , Ulrich Heinz

We study elliptic and triangular flow in the collisions of deuteron-gold nuclei at $\sqrt{s_{\rm NN}} = 200$ GeV at RHIC and of proton-lead nuclei at $\sqrt{s_{\rm NN}} = 5.02$ TeV at the LHC, utilizing (3+1)-dimensional ideal hydrodynamics…

Nuclear Theory · Physics 2014-04-23 Guang-You Qin , Berndt Müller

The directed flow of particles produced in ultrarelativistic heavy ion collisions at SPS and RHIC is so small that currently available methods of analysis are at the border of applicability. Standard two-particle and flow-vector methods are…

Nuclear Theory · Physics 2009-11-07 N. Borghini , P. M. Dinh , J. -Y. Ollitrault

We show that experimental data on cumulants of anisotropic flow in heavy-ion collisions probe the non-Gaussian statistics of the energy density field created right after the collision. We carry out a perturbative expansion of the initial…

Nuclear Theory · Physics 2019-08-07 Rajeev S. Bhalerao , Giuliano Giacalone , Jean-Yves Ollitrault

We review recent studies about anisotropic flows ($v_1, v_2, v_3$) of charmonium in the quark-gluon plasma produced in relativistic heavy-ion collisions. Collective flows of the bulk medium are developed due to the anisotropic pressure…

Nuclear Theory · Physics 2022-11-21 Chenyu Li , Baoyi Chen

We calculate, for the first time, $J/\psi$ triangular flow in high energy nuclear collisions. The charmonium motion in medium is controlled by a transport equation with loss and gain terms, and the evolution of the hot medium is governed by…

High Energy Physics - Phenomenology · Physics 2022-03-14 Jiaxing Zhao , Baoyi Chen , Pengfei Zhuang

We investigate the correlation between various aspects of the initial geometry of heavy ion collisions at the Relativistic Heavy Ion Collider energies and the final anisotropic flow, using v-USPhydro, a 2+1 event-by-event viscous…

The rapidity dependence of elliptic, $v_2$, and triangular, $v_3$, flow coefficients in proton-nucleus (p+A) collisions is predicted in hydrodynamics and in a multi-phase transport model (AMPT). We find that $v_n$ ($n=2,3$) on a nucleus…

High Energy Physics - Phenomenology · Physics 2015-03-13 Piotr Bozek , Adam Bzdak , Guo-Liang Ma

A detailed study of elliptical and triangular eccentricities in the initial state of relativistic heavy ion collisions is presented. A model of randomly distributed sources of energy density in the transverse plane based on the effective…

High Energy Physics - Phenomenology · Physics 2020-07-10 V. L. Korotkikh , A. M. Snigirev

We propose a new method to study transverse flow effects in relativistic nuclear collisions by Fourier analysis of the azimuthal distribution on an event-by-event basis in relatively narrow rapidity windows. The distributions of Fourier…

High Energy Physics - Phenomenology · Physics 2011-05-05 S. Voloshin , Y. Zhang