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Related papers: Elliptic flow at RHIC: where and when does it form…

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Sources of event-by-event elliptic flow fluctuations in relativistic heavy-ion collisions are investigated in a multiphase transport model. Besides the well-known initial eccentricity fluctuations, several other sources of dynamical…

Nuclear Theory · Physics 2013-07-26 Kai Xiao , Feng Liu , Fuqiang Wang

We investigate the elliptic and the triangular flow of heavy mesons in ultrarelativistic heavy-ion collisions at RHIC and the LHC. The dynamics of heavy quarks is coupled to the locally thermalized and fluid dynamically evolving quark-gluon…

High Energy Physics - Phenomenology · Physics 2015-06-23 Marlene Nahrgang , Jörg Aichelin , Steffen Bass , Pol Bernard Gossiaux , Klaus Werner

Based on A Multi-Phase Transport model, the elliptic flow $v_{2}$ of $\phi$ mesons which is reconstructed from $K^{+}K^{-}$ at the Relativistic Heavy Ion Collider (RHIC) energy has been studied. The results show that reconstructed $v_{2}$…

Nuclear Theory · Physics 2009-11-11 J. H. Chen , Y. G. Ma* , G. L. Ma , H. Z. Huang , X. Z. Cai , Z. J. He , J. L. Long , W. Q. Shen , J. X. Zuo

Flow develops in ultra-relativistic heavy-ion collisions via re-interactions among partons or/and hadrons. Characterizing flow is a crucial step towards understanding the formation of partonic matter. We review new measurements on…

Nuclear Experiment · Physics 2009-11-10 Fabrice Retiere

We calculate the transverse momentum and invariant mass dependence of elliptic flow of thermal dileptons for Au+Au collisions at the Relativistic Heavy Ion Collider. The system is described using hydrodynamics, with the assumption of…

Nuclear Theory · Physics 2008-11-26 Rupa Chatterjee , Dinesh K. Srivastava , Ulrich W. Heinz , Charles Gale

We carry out a detail study of elliptic flows in Au-Au collisions at 200 AGeV in a quark combination model. We find that elliptic flow data for a variety of hadrons can be well reproduced except pions if constituent quarks with equal…

Nuclear Theory · Physics 2008-07-16 Tao Yao , Qu-bing Xie , Feng-lan Shao

We perform viscous hydrodynamic calculations in 2+1 dimensions to investigate the influence of bulk viscosity on the viscous suppression of elliptic flow in non-central heavy-ion collisions at RHIC energies. Bulk and shear viscous effects…

Nuclear Theory · Physics 2010-04-06 Huichao Song , Ulrich W Heinz

The agreement of elliptic flow data at RHIC at central rapidity with the hydrodynamic model has led to the conclusion of very rapid thermalization. This conclusion is based on the intuitive argument that hydrodynamics, which assumes…

High Energy Physics - Phenomenology · Physics 2009-10-09 U. Heinz , S. M. H. Wong

In this talk we describe the recently discovered rich phenomenology of elliptic flow of electromagnetic probes of the hot matter created in relativistic heavy-ion collisions. Using a hydrodynamic model for the space-time dynamics of the…

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

We calculate the elliptic flow of thermal photons from Au+Au collisions at RHIC energies for a range of values for the formation time $\tau_0$ but fixed entropy (or particle rapidity density). The results are found to be quite sensitive to…

Nuclear Theory · Physics 2009-02-20 Rupa Chatterjee , Dinesh K. Srivastava

We compare elliptic flow evolution from ideal hydrodynamics and covariant parton transport theory, and show that, for conditions expected at RHIC, dissipation significantly reduces elliptic flow even for extreme parton cross sections and/or…

Nuclear Theory · Physics 2009-11-10 Denes Molnar , Pasi Huovinen

Elliptic flow has been one of the key observables for establishing the finding of the quark-gluon plasma (QGP) at the highest energies of Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC). As a sign of collectively…

Nuclear Theory · Physics 2015-06-17 Jussi Auvinen , Hannah Petersen

Recent development of a hydrodynamic model is discussed by putting an emphasis on realistic treatment of the early and late stages in relativistic heavy ion collisions. The model, which incorporates a hydrodynamic description of the…

Nuclear Theory · Physics 2008-11-26 Tetsufumi Hirano

The propagation of charm and bottom quarks through an ellipsoidal domain of quark gluon plasma has been studied within the ambit of non-equilibrium statistical mechanics. Energy dissipation of heavy quarks by both radiative and collisional…

Nuclear Theory · Physics 2010-11-23 Santosh K Das , Jan-e Alam

It has been argued that high-multiplicity proton-proton collisions at the LHC may exhibit collective phenomena usually studied in the context of heavy-ion collisions, such as elliptic flow. We study this issue using DIPSY - a Monte Carlo…

High Energy Physics - Phenomenology · Physics 2011-08-17 Emil Avsar , Christoffer Flensburg , Yoshitaka Hatta , Jean-Yves Ollitrault , Takahiro Ueda

Formation and evolution of the elliptic flow pattern in Pb+Pb collisions at sqrt{s}=5.5 ATeV and in Au+Au collisions at sqrt{s}=200 AGeV are analyzed for different hadron species within the framework of HYDJET++ Monte-Carlo model. The model…

High Energy Physics - Phenomenology · Physics 2009-12-30 G. Eyyubova , L. Bravina , V. L. Korotkih , I. P. Lokhtin , L. V. Malinina , S. V. Petrushanko , A. M. Snigirev , E. Zabrodin

Results from the data obtained in the first physics run of the Relativistic Heavy Ion Collider (RHIC) have shown suprisingly large elliptic flow and suprisingly small HBT radii. Attempts to explain both results in a consistant picture have…

Nuclear Theory · Physics 2007-05-23 T. J. Humanic

The invariant mass spectrum and the elliptic flow of lepton pairs produced in relativistic heavy-ion collisions at RHIC are studied with viscous hydrodynamics. The effects of viscous corrections on dilepton observables are explored. The…

Nuclear Theory · Physics 2014-03-19 Gojko Vujanovic , Clint Young , Bjoern Schenke , Ralf Rapp , Sangyong Jeon , Charles Gale

The dependence of elliptic flow at RHIC energies on the effective parton scattering cross section is calculated using the ZPC parton cascade model. We show that the v_2 measure of elliptic flow saturates early in the evolution before the…

Nuclear Theory · Physics 2009-10-09 Bin Zhang , Miklos Gyulassy , Che Ming Ko