English
Related papers

Related papers: Hydrodynamic response in simulations within a mult…

200 papers

The fluctuations of elliptic flow (\vtwo) in relativistic heavy-ion collisions offer a powerful tool to probe the collective behavior and transport properties of the quark-gluon plasma (QGP). The dependence of these fluctuations on particle…

Nuclear Theory · Physics 2025-12-23 Jie Wan , Chun-Zheng Wang , Yu-Gang Ma , Qi-Ye Shou , Song Zhang

The pseudorapidity dependence of elliptic ($v_2$), triangular ($v_3$), and quadrangular ($v_4$) flow coefficients of charged particles measured in Pb-Pb collisions at a centre-of-mass energy per nucleon pair of $\sqrt{s_{\rm NN}}=5.02$ TeV…

Nuclear Experiment · Physics 2024-04-15 ALICE Collaboration

Predictions and comparisons of hadronic flow observables for Pb+Pb collisions at 2.76 A TeV and 5.02 A TeV are presented using a hydrodynamics + hadronic cascade hybrid approach. Initial conditions are generated via a new formulation of the…

High Energy Physics - Phenomenology · Physics 2017-07-05 Scott McDonald , Chun Shen , Francois Fillion-Gourdeau , Sangyong Jeon , Charles Gale

We have obtained a new set of parameters in a multiphase transport (AMPT) model that are able to describe both the charged particle multiplicity density and elliptic flow measured in Au+Au collisions at center of mass energy…

Nuclear Theory · Physics 2011-07-21 Jun Xu , Che Ming Ko

We present a systematic study of the elliptic flow $v_2$ relative to the participant plane (PP) and reaction plane (RP) in Au+Au collisions at $\sqrt{s_{NN}} = 7.7$-200 GeV using the AMPT model with the string melting version. The ratio…

Nuclear Theory · Physics 2025-10-31 Shaowei Lan , Qiuhua Liu , Yong Li , Shusu Shi

An attempt has been made to estimate the minimum size of the de-confined matter of Quark-Gluon Plasma (QGP) in small systems like p-Pb system that could be satisfactorily modeled with low-order hydrodynamics. The variation of second order…

High Energy Physics - Phenomenology · Physics 2026-05-27 Nikhil Hatwar , Sadhana Dash , Basanta Kumar Nandi

Using event-by-event hydrodynamic calculations, we find that the fluctuations of the elliptic flow ($v_2$) in the reaction plane have a negative skew. We compare the skewness of $v_2$ fluctuations to that of initial eccentricity…

Nuclear Theory · Physics 2017-01-31 Giuliano Giacalone , Li Yan , Jacquelyn Noronha-Hostler , Jean-Yves Ollitrault

At Large Hadron Collider energy, the expected large multiplicities suggests the presence of collective behavior even in pp collisions. A hydrodynamical approach has been applied to estimate the expected elliptic flow measured by the…

Nuclear Theory · Physics 2010-09-28 S. K. Prasad , Victor Roy , S. Chattopadhyay , A. K. Chaudhuri

Measurements of transverse momentum ($p_{\rm T}$) and pseudorapidity ($\eta$) dependent flow vector fluctuations in p$-$Pb collisions at $\sqrt{s_{_{\rm NN}}} = 5.02$ TeV at the CERN Large Hadron Collider are presented. By studying…

Nuclear Experiment · Physics 2026-02-12 ALICE Collaboration

Complete evolution of the strongly interacting matter formed in ultrarelativistic heavy-ion collisions is studied within a coupled Boltzmann and relativistic viscous hydrodynamics approach. For the initial nonequilibrium evolution phase, we…

Nuclear Theory · Physics 2015-07-14 Rajeev S. Bhalerao , Amaresh Jaiswal , Subrata Pal

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…

Nuclear Theory · Physics 2018-04-17 Soumya Sarkar , Provash Mali , Amitabha Mukhopadhyay

The higher order harmonic flow observables $v_n$ ($n > 3$) and their non-linear responses to the initial state anisotropy have the strong potential to constrain shear and bulk viscosity to entropy ratios because of different sensitivities…

Nuclear Experiment · Physics 2021-02-03 Jasper Parkkila

Azimuthal angle correlations of charged hadrons were measured in $\sqrt s_{NN}$ = 2.76 TeV PbPb collisions by the CMS experiment. The distributions exhibit anisotropies that are correlated with the event-by-event orientation of the reaction…

Nuclear Experiment · Physics 2019-08-13 Eric Appelt

This proceeding briefly summarizes our recent investigations on the correlations of flow harmonics in 2.76A TeV Pb--Pb collisions with viscous hydrodynamics {\tt VISH2+1}. We calculated both the symmetric cumulants $SC^{v}(m, n)$ and the…

Nuclear Theory · Physics 2017-03-08 Xiangrong Zhu , You Zhou , Haojie Xu , Huichao Song

A new subevent cumulant method was recently developed, which can significantly reduce the non-flow contributions in long-range correlations for small systems compared to the standard cumulant method. In this work, we study multi-particle…

High Energy Physics - Phenomenology · Physics 2018-09-13 Mao-Wu Nie , Peng Huo , Jiangyong Jia , Guo-Liang Ma

Hydrodynamic simulations are used to make predictions for the integrated elliptic flow coefficient v_2 in sqrt(s)=5.5 TeV lead-lead and sqrt(s)=14 TeV proton-proton collisions at the LHC. We predict a 10% increase in v_2 from RHIC to Pb+Pb…

Nuclear Theory · Physics 2010-01-24 Matthew Luzum , Paul Romatschke

We predict the elliptic flow parameter v_2 in U+U collisions at sqrt{s_{NN}}=200 GeV and in Pb+Pb collisions at sqrt{s_{NN}} = 2.76 TeV using a hybrid model in which the evolution of the quark gluon plasma is described by ideal…

Nuclear Theory · Physics 2011-02-22 Tetsufumi Hirano , Pasi Huovinen , Yasushi Nara

A simple kinematic model based on the superposition of p+p collisions, relativistic geometry and hadronic rescattering is used to predict the elliptic flow observable in sqrt{sNN} = 2.76 TeV Pb+Pb collisions. A short proper time for…

Nuclear Theory · Physics 2015-05-20 Thomas J. Humanic

We report the first results of elliptic ($v_2$), triangular ($v_3$) and quadrangular flow ($v_4$) of charged particles in Pb-Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV with the ALICE detector at the CERN Large Hadron Collider. The…

Nuclear Experiment · Physics 2016-12-13 ALICE Collaboration

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