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Related papers: Relativistic Heavy Ion Collisions: Viscous Hydrody…

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I outline experimental results on heavy ion collisions at the Relativistic Heavy Ion Collider for a non-technical audience. This includes: elliptic flow and nearly ideal hydrodynamics; the suppression of hard particles and the ratio R_AA;…

High Energy Physics - Phenomenology · Physics 2010-01-21 Robert D. Pisarski

A 3-fluid hydrodynamic model for simulating relativistic heavy-ion collisions is introduced. Alongside with two baryon-rich fluids, the new model considers time-delayed evolution of a third, baryon-free (i.e. with zero net baryonic charge)…

Nuclear Theory · Physics 2008-11-26 Yu. B. Ivanov , V. N. Russkikh , V. D. Toneev

We present a concise review of the recent development of relativistic hydrodynamics and its applications to heavy-ion collisions. Theoretical progress on the extended formulation of hydrodynamics towards out-of-equilibrium systems is…

Nuclear Theory · Physics 2020-10-26 Chun Shen , Li Yan

Flow signatures in experimental data from relativistic ion collisions are usually interpreted as a fingerprint of the presence of a hydrodynamic phase during the evolution of these systems. In this work, flow signatures arising from…

Nuclear Theory · Physics 2015-10-28 Paul Romatschke

Description of relativistic heavy-ion collisions at the energies of RHIC Beam Energy Scan program with fluid dynamic approach poses several challenges, one of which being a complex geometry and a longer duration of the pre-hydrodynamic…

Nuclear Theory · Physics 2021-04-26 Jakub Cimerman , Iurii Karpenko , Boris Tomášik , Barbara Antonina Trzeciak

Relativistic viscous hydrodynamic fits to RHIC data on the centrality dependence of multiplicity, transverse and elliptic flow for sqrt{s}=200 GeV Au+Au collisions are presented. For Glauber-type initial conditions, while data on integrated…

Nuclear Theory · Physics 2008-11-26 Paul Romatschke , Ulrike Romatschke

Several recent results are reported from work aiming to improve the quantitative precision of relativistic viscous fluid dynamics for relativistic heavy-ion collisions. The dense matter created in such collisions expands in a highly…

Nuclear Theory · Physics 2017-03-16 U. Heinz , D. Bazow , G. S. Denicol , M. Martinez , M. Nopoush , J. Noronha , R. Ryblewski , M. Strickland

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

We introduce a resummed hydrodynamic scheme for evolving the viscous stress tensors in relativistic viscous hydrodynamics, based on which the necessary non-linear causality conditions can be imposed. When the magnitudes of the shear and…

Nuclear Theory · Physics 2025-08-08 Cheng Chiu , Gabriel Denicol , Matthew Luzum , Chun Shen

A new framework for evaluating hydrodynamic models of relativistic heavy ion collisions has been developed. This framework, a Comprehesive Heavy Ion Model Evaluation and Reporting Algorithm (CHIMERA) has been implemented by augmenting UVH…

Nuclear Theory · Physics 2013-04-10 R. A. Soltz , I. Garishvili , M. Cheng , B. Abelev , A. Glenn , J. Newby , L. A. Linden Levy , S. Pratt

In this paper, we investigate the hydrodynamic collectivity in high-multiplicity events of proton-proton collisions at $\sqrt{s}=$ 13 TeV, using iEBE-VISHNU hybrid model with three different initial conditions, namely, HIJING, super-MC and…

Nuclear Theory · Physics 2020-10-28 Wenbin Zhao , You Zhou , Koichi Murase , Huichao Song

We compute v4/(v2)^2 in ideal and viscous hydrodynamics. We investigate its sensitivity to details of the hydrodynamic model and compare the results to experimental data from RHIC. Whereas v2 has a significant sensitivity only to initial…

Nuclear Theory · Physics 2010-06-01 Matthew Luzum , Clément Gombeaud , Jean-Yves Ollitrault

We develop a far-from-equilibrium hydrodynamic model to evolve ultrarelativistic heavy-ion collisions in event-by-event simulations. Anisotropic hydrodynamics is designed to better handle the strong and highly anisotropic expansion during…

High Energy Physics - Phenomenology · Physics 2021-05-14 Mike McNelis

In the hydrodynamic framework of heavy-ion collisions, elliptic flow, $v_2$, is sensitive to the quadrupole deformation, $\beta$, of the colliding ions. This enables one to test whether the established knowledge on the low-energy structure…

Nuclear Theory · Physics 2022-01-04 Giuliano Giacalone , Jiangyong Jia , Chunjian Zhang

The relativistic heavy ion collider (RHIC) was constructed to achieve an asymptotic state of nuclear matter in heavy ion collisions, a near-ideal gas of deconfined quarks and gluons denoted quark-gluon plasma or QGP. RHIC collisions are…

High Energy Physics - Phenomenology · Physics 2015-06-15 Thomas A. Trainor

The results on elliptic flow in sqrt(s)=2.76 TeV Pb+Pb collisions at the Large Hadron Collider (LHC) reported by the ALICE collaboration are remarkably similar to those for sqrt(s)=200 GeV gold-gold collisions at the Relativistic Heavy Ion…

High Energy Physics - Phenomenology · Physics 2011-07-26 Bjoern Schenke , Sangyong Jeon , Charles Gale

Elliptic flow is an interesting probe of the dynamical evolution of the dense system formed in the ultrarelativistic heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC). The elliptic flow dependences on transverse momentum,…

Nuclear Experiment · Physics 2019-08-14 Carla M. Vale

We propose the measurement of the elliptic flow of hadron resonances at the Relativistic Heavy Ion Collider as a tool to probe the amount of hadronic final state interactions for resonances at intermediate and large transverse momenta. This…

Nuclear Theory · Physics 2008-11-26 C. Nonaka , M. Asakawa , S. A. Bass , R. J. Fries , B. Mueller

Using a hybrid (viscous hydrodynamics + hadronic cascade) framework, we model the bulk dynamical evolution of relativistic heavy-ion collisions at Relativistic Heavy Ion Collider (RHIC) Beam Energy Scan (BES) collision energies, including…

Nuclear Theory · Physics 2018-03-14 Chun Shen , Gabriel Denicol , Charles Gale , Sangyong Jeon , Akihiko Monnai , Bjoern Schenke

We have developed a next-generation hybrid event-by-event three-fluid hydrodynamic model, suitable for simulations of heavy-ion collisions in the energy range from few up to tens of GeV per colliding NN pair. At such energies the…

Nuclear Theory · Physics 2024-10-10 Jakub Cimerman , Iurii Karpenko , Boris Tomasik , Pasi Huovinen