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Time evolution of a "little bang" created in heavy ion collisions can be divided into two phases, the pre-equilibrium and hydrodynamic. At what moment the evolution becomes hydrodynamic and is there any universality in the hydrodynamic…

高能物理 - 唯象学 · 物理学 2013-05-29 M. Lublinsky , E. Shuryak

Analytical solution of one dimensional hydrodynamical model is derived, where phase transition from the QGP state to the hadronic state is effectively taken into account. The single particle rapidity distribution of charged $\pi$ mesons…

高能物理 - 唯象学 · 物理学 2010-12-14 Naomichi Suzuki

Recent theoretical developments of relativistic hydrodynamics applied to ultrarelativistic heavy-ion collisions are briefly reviewed. In particular, the concept of a formal gradient expansion is discussed, which is a tool to compare…

核理论 · 物理学 2017-12-15 Wojciech Florkowski

We perform 3+1D viscous hydrodynamic calculations of proton-lead and lead-lead collisions at top LHC energy. We show that existing data from high-multiplicity p-Pb events can be well described in hydrodynamics, suggesting that collective…

核理论 · 物理学 2014-05-16 Igor Kozlov , Matthew Luzum , Gabriel Denicol , Sangyong Jeon , Charles Gale

I review the successes and limitations of the ideal fluid dynamic model in describing hadron emission spectra from Au+Au collisions at the Relativistic Heavy Ion Collider (RHIC).

核理论 · 物理学 2009-10-09 Ulrich W. Heinz

Theoretical studies of the production of real thermal photons in relativistic heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) are performed. The space-time evolution of the colliding system is modelled using MUSIC, a 3+1D…

高能物理 - 唯象学 · 物理学 2015-03-19 Maxime Dion , Jean-Francois Paquet , Bjoern Schenke , Clint Young , Sangyong Jeon , Charles Gale

Nonequilibrium models (three-fluid hydrodynamics, UrQMD, and quark molecular dynamics) are used to discuss the uniqueness of often proposed experimental signatures for quark matter formation in relativistic heavy ion collisions from the SPS…

One of the many physical questions that have emerged from studies of heavy-ion collisions at RHIC and the LHC concerns the validity of hydrodynamic modelling at the very early stages, when the Quark-Gluon Plasma system produced is still far…

核理论 · 物理学 2023-08-24 Jakub Jankowski , Michał Spaliński

We numerically analyze recent high energy heavy-ion collision experiments based on a hydrodynamical model with phase transition and discuss a systematic change of initial state of QGP-fluid depending on colliding-nuclei's mass. In a…

核理论 · 物理学 2016-09-08 Shin Muroya , Hiroki Nakamura , Mikio Namiki

The shapes of invariant differential cross section for charged particle production as function of transverse momentum measured in heavy-ion collisions are analyzed. The data measured at RHIC and LHC are treated as function of energy density…

高能物理 - 唯象学 · 物理学 2013-05-03 A. A. Bylinkin , A. A. Rostovtsev , N. S. Chernyavskaya

I compare the first viscous hydrodynamic prediction for integrated elliptic flow in Pb-Pb collisions at the LHC with the first data released by the ALICE collaboration. These new data are found to be consistent with hydrodynamic…

核理论 · 物理学 2011-04-22 Matthew Luzum

We take hydrodynamic initial conditions in relativistic heavy ion collisions from the Color Glass Condensate (CGC) picture through the kT factorization formula. Gluon distributions produced from the CGC are found to provide good initial…

核理论 · 物理学 2008-11-26 Tetsufumi Hirano , Yasushi Nara

A recently developed framework of highly-anisotropic and strongly-dissipative hydrodynamics -- ADHYDRO -- has been introduced and used to analyze the space-time evolution of matter produced in ultra-relativistic heavy-ion collisions. The…

核理论 · 物理学 2012-07-04 Radoslaw Ryblewski

We discuss a recently found family of exact and analytic, finite and accelerating, 1+1 dimensional solutions of perfect fluid relativistic hydrodynamics to describe the pseudorapidity densities and longitudinal HBT-radii and to estimate the…

核理论 · 物理学 2019-10-23 Gábor Kasza , Tamás Csörgő

We investigate the effects of pre-hydrodynamic evolution on final-state observables in heavy-ion collisions using state-of-the art event simulations coupled to different pre-hydrodynamic scenarios, which include the recently-developed…

Using the newest data for pp scattering at the CERN Large Hadron Collider (LHC) combined with the Glauber model, we make hydrodynamic predictions for the soft hadronic observables planned to be measured in the forthcoming Pb+Pb collisions…

核理论 · 物理学 2011-02-03 Piotr Bozek , Mikolaj Chojnacki , Wojciech Florkowski , Boris Tomasik

The results on the main bulk observables obtained in the simulations within the integrated hydrokinetic model (iHKM) of Au+Au collisions at the RHIC energy $\sqrt{s_{NN}}=200$ GeV are presented along with the corresponding experimental data…

高能物理 - 唯象学 · 物理学 2019-06-26 M. D. Adzhymambetov , V. M. Shapoval , Yu. M. Sinyukov

Two particle correlation data from the Relativistic Heavy Ion Collider have provided detailed femtoscopic information describing the space-time structure of the emission of pions. This data had avoided description with hydrodynamic-based…

核理论 · 物理学 2009-07-22 Scott Pratt

Hard probes are a cornerstone in the ongoing program to determine the properties of hot and dense QCD matter as created in ultrarelativistic heavy ion collisions. LHC measurements have so far resulted in a wealth of high P_T data, opening…

高能物理 - 唯象学 · 物理学 2015-06-11 Thorsten Renk

A full (3+1)-dimensional calculation using the Lagrangian hydrodynamics is proposed for relativistic nuclear collisions. The calculation enables us to evaluate anisotropic flow of hadronic matter which appears in non-central and/or…

高能物理 - 唯象学 · 物理学 2011-09-13 Chiho Nonaka , Eiji Honda , Shin Muroya