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Related papers: Initial conditions for RHIC collisions

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We highlight some connections between the final state hadronic observables and the initial conditions using a recently found new exact family of solutions of relativistic hydrodynamics. These relations provide explicit examples of the…

Nuclear Theory · Physics 2020-06-24 G. Kasza , T. Csorgo

To study heavy ion collisions at energies to be available from the Relativistic Heavy Ion Collider (RHIC), we have developed a transport model that includes both initial partonic and final hadronic interactions. Specifically, the parton…

Nuclear Theory · Physics 2007-05-23 Bin Zhang , Che Ming Ko , Bao-An Li , Ziwei Lin

The equilibration of hot and dense nuclear matter produced in the central region in central Au+Au collisions at $\sqrt{s}=200$ AGeV is studied within the microscopic transport model UrQMD. The pressure here becomes isotropic at $t \approx…

The equilibration of hot and dense nuclear matter produced in the central cell of central Au+Au collisions at RHIC ($\sqrt{s}=200$ AGeV) energies is studied within a microscopic transport model. The pressure in the cell becomes isotropic at…

High Energy Physics - Phenomenology · Physics 2009-10-31 L. V. Bravina , E. E. Zabrodin , S. A. Bass , M. Bleicher , M. Brandstetter , A. Faessler , C. Fuchs , W. Greiner , S. Soff , H. Stoecker

Using next-to-leading order perturbative QCD and a conjecture of saturation to suppress the production of low-energy partons, we calculate the initial energy densities and formation times for the dissipative fluid dynamical evolution of the…

High Energy Physics - Phenomenology · Physics 2015-06-17 R. Paatelainen , K. J. Eskola , H. Niemi , K. Tuominen

The intermediate $p_T$ region (2 - 5 GeV/$c$) in central Au+Au collisions at RHIC has a rich physics content. The (anti)proton to pion ratio at the intermediate $p_T$ gives us a powerful tool to investigate the bulk properties of the hot…

Nuclear Experiment · Physics 2019-08-14 T. Chujo

Recent data from heavy ion collisions at RHIC show unexpectedly large near-angle correlations that broaden longitudinally with increasing centrality. The amplitude of this ridge-like correlation rises rapidly, reaches a maximum, and then…

Nuclear Theory · Physics 2015-05-27 Paul Sorensen , Boris Bolliet , Agnes Mocsy , Yadav Pandit , Navneet Pruthi

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…

High Energy Physics - Phenomenology · Physics 2019-06-26 M. D. Adzhymambetov , V. M. Shapoval , Yu. M. Sinyukov

The properties of thermal dilepton production from heavy-ion collisions in the RHIC energy regime are evaluated for invariant masses ranging from 0.5 to 3 GeV. Using an expanding thermal fireball to model the evolution through both…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Rapp

We investigate the possibility of selecting heavy ion collision events with certain features in the initial state ("event engineering"). Anisotropic flow measurements in heavy ion reactions have confirmed the almost ideal fluid dynamical…

Nuclear Theory · Physics 2013-11-13 Hannah Petersen , Berndt Muller

Production of resonances is considered in the framework of the single-freeze-out model of ultra-relativistic heavy ion collisions. The formalism involves the virial expansion, where the probability to form a resonance in a two-body channel…

Nuclear Theory · Physics 2009-11-10 Wojciech Broniowski , Wojciech Florkowski , Brigitte Hiller

I report on results from the PHENIX collaboration for the first RHIC run, where gold ions were collided at $\sqrt{s_{NN}}=130 GeV$. In order to study initial conditions, PHENIX has measured the ratio between anti-protons and protons, the…

High Energy Physics - Phenomenology · Physics 2019-08-14 Kenneth N. Barish

Collective transverse flow in heavy-ion collisions at incident energies E_{lab} = (1 -160)A GeV is analyzed within the model of 3-fluid dynamics (3FD). Simulations are performed with purely hadronic equation of state (EoS). At the AGS…

Nuclear Theory · Physics 2009-11-11 V. N. Russkikh , Yu. B. Ivanov

First results from RHIC on charged multiplicities, evolution of multiplicities with centrality, particle ratios and transverse momentum distributions in central and minimum bias collisions, are analyzed in a string model which includes hard…

High Energy Physics - Phenomenology · Physics 2009-11-07 N. Armesto , C. Pajares , D. Sousa

Results from the RHIC and LHC experiments show, that in relativistic heavy ion collisions, a new state of matter, a strongly interacting perfect fluid is created. Accelerating, exact and explicit solutions of relativistic hydrodynamics…

High Energy Physics - Phenomenology · Physics 2017-02-14 Mate Csanad , Tamas Csorgo , Ze-Fang Jiang , Chun-Bin Yan

We develop a 1+1 dimensional hydrodynamical model for central heavy-ion collisions at ultrarelativistic energies. Deviations from Bjorken's scaling are taken into account by implementing finite-size profiles for the initial energy density.…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. M. Satarov , I. N. Mishustin , A. V. Merdeev , H. Stoecker

Heavy ion collisions in the low energy run at Relativistic Heavy Ion Collider (RHIC) and future Facility for Antiproton and Ion Research (FAIR) in Germany are expected to produce a quark-gluon plasma that has a finite baryon chemical…

Nuclear Theory · Physics 2011-03-07 Lie-Wen Chen , Che Ming Ko , Wei Liu , Ben-Wei Zhang

The early stages of high energy heavy ion collisions are studied in the Color Glass Condensate framework, with a real-time classical lattice simulation. When increasing the coupling constant, we observe a rapid increase of the ratio of…

High Energy Physics - Phenomenology · Physics 2013-12-16 Thomas Epelbaum , Francois Gelis

The evolution of a relativistic heavy-ion collision is typically understood as a process that transmutes the initial geometry of the system into the final momentum distribution of observed hadrons, which can be described via a cumulant…

Nuclear Theory · Physics 2024-05-24 Jefferson Sousa , Jorge Noronha , Matthew Luzum

Anisotropic flow of K's, anti-K's, and lambdas is studied in heavy ion collisions at SPS and RHIC energies within the microscopic quark-gluon string model. At SPS energy the directed flow of kaons differs considerably at midrapidity from…

Nuclear Theory · Physics 2008-11-26 L. Bravina , L. P. Csernai , Amand Faessler , C. Fuchs , E. Zabrodin