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Related papers: Higher flow harmonics from (3+1)D event-by-event v…

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We use (3+1)-dimensional hydrodynamics with exact longitudinal boost-invariance to study the influence of collision centrality and initial energy density on the transverse flow pattern and the angular distributions of particles emitted near…

High Energy Physics - Phenomenology · Physics 2009-10-09 Peter F. Kolb , Josef Sollfrank , Ulrich Heinz

A series of new flow observables mixed harmonic multi-particle cumulants (MHC), which allow for the first time to quantify the correlations strength between different order of flow coefficients with various moments, was investigated using…

Nuclear Theory · Physics 2021-08-11 Ming Li , You Zhou , Wenbin Zhao , Baochi Fu , Yawen Mou , Huichao Song

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

We demonstrate by explicit calculations in 3+1 dimensional viscous relativistic fluid dynamics how two-particle pseudorapidity correlation functions in heavy ion collisions at the LHC and RHIC depend on the number of particle producing…

Nuclear Theory · Physics 2015-12-02 Akihiko Monnai , Bjoern Schenke

The specific shear viscosity (eta/s)_QGP of quark-gluon plasma (QGP) can be extracted from elliptic flow data in heavy-ion collisions by comparing them with the dynamical model VISHNU which couples a viscous fluid dynamic description of the…

Nuclear Theory · Physics 2012-04-26 Ulrich W. Heinz , Chun Shen , Huichao Song

Anisotropic flow and fluctuations are sensitive observables of the initial state effects in heavy ion collisions and are characterized by the medium properties and final state interactions. Using event-shape observables, one can constrain…

Nuclear Theory · Physics 2025-07-29 Suraj Prasad , Aswathy Menon K R , Raghunath Sahoo , Neelkamal Mallick

Higher harmonics of anisotropic flow ($v_n$ with $n\ge 4$) in heavy-ion collisions can be measured either with respect to their own plane, or with respect to a plane constructed using lower-order harmonics. We explain how such measurements…

Nuclear Theory · Physics 2015-04-10 Li Yan , Jean-Yves Ollitrault

Anisotropic flow phenomena is a key probe of the existence of Quark-Gluon Plasma. Several new observable associated with correlations between anisotropic flow harmonics are developed, which are expected to be sensitive to the initial…

Nuclear Experiment · Physics 2016-07-20 You Zhou

In this proceedings I briefly review the recent progress achieved on the calculation of $v_n$ at high $p_T$ via the coupling of a jet energy loss model with full event-by-event viscous hydrodynamics. It is shown that that this framework can…

Nuclear Theory · Physics 2017-05-24 Jorge Noronha

Anisotropies in the initial energy density distribution of the quark-gluon plasma created in high energy heavy ion collisions lead to anisotropies in the azimuthal distributions of the final-state particles known as collective flow. Fourier…

High Energy Physics - Experiment · Physics 2020-07-03 CMS Collaboration

The large elliptic flow observed at RHIC is considered to be evidence for almost perfect liquid behavior of the strongly coupled quark-gluon plasma produced in the collisions. In these proceedings we present a two parameter fit for the…

Nuclear Experiment · Physics 2009-11-18 H. Masui , J-Y. Ollitrault , R. Snellings , A. Tang

To study the bulk properties of the quark-gluon-plasma (QGP) produced at the beam energy scan (BES) energies at the Relativistic Heavy Ion Collider (RHIC), we extend the (3+1)-dimensional viscous hydrodynamics CLVisc to include net baryon…

High Energy Physics - Phenomenology · Physics 2022-04-13 Xiang-Yu Wu , Guang-You Qin , Long-Gang Pang , Xin-Nian Wang

We study the longitudinal decorrelations of elliptic, triangular and quadrangular flows in heavy-ion collisions at the LHC and RHIC energies. The event-by-event CLVisc (3+1)-dimensional hydrodynamics model, combined with the fully…

Nuclear Theory · Physics 2019-02-20 Xiang-Yu Wu , Long-Gang Pang , Guang-You Qin , Xin-Nian Wang

Decorrelation of the elliptic flow in rapidity is calculated within a hybrid approach which includes event-by-event viscous fluid dynamics and final state hadronic cascade model. The simulations are performed for Au+Au collisions at…

Nuclear Theory · Physics 2021-08-04 Jakub Cimerman , Iurii Karpenko , Boris Tomášik , Barbara Antonina Trzeciak

We present state-of-the-art calculations of viscous photon emission from nuclear collisions at RHIC and LHC. Fluctuating initial density profiles are evolved with event-by-event viscous hydrodynamics. Momentum spectra of thermal photons…

Nuclear Theory · Physics 2015-02-23 Chun Shen , Ulrich W. Heinz , Jean-Francois Paquet , Igor Kozlov , Charles Gale

Substantial collective flow is observed in collisions between large nuclei at RHIC (Relativistic Heavy Ion Collider) as evidenced by single-particle transverse momentum distributions and by azimuthal correlations among the produced…

Nuclear Theory · Physics 2008-11-26 Laszlo P. Csernai , Joseph. I. Kapusta , Larry D. McLerran

Using ideal relativistic hydrodynamics in 2+1 dimensions, we study the collision energy dependence of radial and elliptic flow, of the emitted hadron spectra, and of the transverse momentum dependence of several hadronic particle ratios,…

Nuclear Theory · Physics 2009-07-22 Gregory Kestin , Ulrich W Heinz

Within the framework of a multi-phase transport model, harmonic flows $v_n$ (n = 2, 3 and 4) are investigated for Au + Au collisions at $\sqrt{s_{NN}}$ = 200 GeV and Pb + Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV. The event-by-event…

Nuclear Theory · Physics 2014-04-29 L. X. Han , G. L. Ma , Y. G. Ma , X. Z. Cai , J. H. Chen , S. Zhang , C. Zhong

Hybrid approaches based on relativistic hydrodynamics and transport theory have been successfully applied for many years for the dynamical description of heavy ion collisions at ultrarelativistic energies. In this work a new viscous hybrid…

Nuclear Theory · Physics 2015-06-09 Iu. A. Karpenko , P. Huovinen , H. Petersen , M. Bleicher

Collective flow, its anisotropies and its event-to-event fluctuations in relativistic heavy-ion collisions, and the extraction of the specific shear viscosity of quark-gluon plasma (QGP) from collective flow data collected in heavy-ion…

Nuclear Theory · Physics 2013-08-05 Ulrich W Heinz , Raimond Snellings