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We review the charged particle and photon multiplicity, and transverse energy production in heavy-ion collisions starting from few GeV to TeV energies. The experimental results of pseudorapidity distribution of charged particles and photons…

Nuclear Experiment · Physics 2015-04-01 Raghunath Sahoo , Aditya Nath Mishra , Nirbhay K. Behera , Basanta K. Nandi

One of the main features of superfluids is the presence of topological defects with quantised circulation. These objects are known as quantum vortices and exhibit a hydrodynamic behaviour. Nowadays, particles are the main experimental tool…

Fluid Dynamics · Physics 2019-03-21 Umberto Giuriato , Giorgio Krstulovic

We calculate dilepton production rates from a fireball adapted to the kinematical conditions realized in ultrarelativistic heavy ion collisions over a broad range of beam energies. The freeze-out state of the fireball is fixed by hadronic…

High Energy Physics - Phenomenology · Physics 2009-11-07 T. Renk , R. A. Schneider , W. Weise

We study the effects of initial state fluctuations on the dynamical evolution of heavy quarks inside a quark-gluon plasma created in relativistic heavy-ion collisions. The evolution of heavy quarks in QGP matter is described utilizing a…

Nuclear Theory · Physics 2015-11-25 Shanshan Cao , Yajing Huang , Guang-You Qin , Steffen A. Bass

We give a short review of hydrodynamic models at heavy ion collisions from the point of view of initial conditions, an equation of states (EoS) and freezeout process. Then we show our latest results of a combined fully three-dimensional…

Nuclear Theory · Physics 2008-11-26 Chiho Nonaka

The dependencies of charged particle pseudorapidity density and transverse energy pseudorapidity density at midrapidity on the collision energy and on the number of nucleon participants, or centrality, measured in nucleus-nucleus collisions…

High Energy Physics - Phenomenology · Physics 2015-04-01 Aditya Nath Mishra , Raghunath Sahoo , Edward K. G. Sarkisyan , Alexander S. Sakharov

We study the importance of the initial state, baryon stopping and baryon number transport for the dynamical evolution of a strongly interacting system produced in heavy ion collisions. We employ a hybrid model, which combines the fluid…

Nuclear Theory · Physics 2013-05-30 J. Steinheimer , V. Koch , M. Bleicher

The transverse momentum anisotropy of the particles produced in heavy ion collisions is one of the most important experimental observable to investigate the collective behavior of the systems created in such collisions. Recent studies show…

High Energy Physics - Phenomenology · Physics 2015-06-18 Jun Takahashi , Rafael Derradi de Souza , David Dobrigkeit Chinellato

Experimental data from the Relativistic Heavy Ion Collider (RHIC) suggests that the quark gluon plasma behaves almost like an ideal fluid. Due to its short lifetime, many QGP properties can only be inferred indirectly through a comparison…

Nuclear Theory · Physics 2015-06-03 Hannah Petersen , Rolando La Placa , Steffen A. Bass

Following the Boz$\dot{\textrm{e}}$k-Wyskiel parametrization tilted initial condition, an alternative way to construct a longitudinal tilted fireball based on the Glauber collision geometry is presented. This longitudinal tilted initial…

High Energy Physics - Phenomenology · Physics 2021-12-22 Ze-Fang Jiang , C. B. Yang , Qi Peng

The study of multiparticle correlations and collectivity in the hot and dense matter created in collisions of heavy-ions as well as those of smaller systems such as proton--heavy-ion collisions has progressed to the point where detailed…

High Energy Physics - Phenomenology · Physics 2018-01-31 K. Dusling , M. Mace , R. Venugopalan

This review explores the current understanding of collective excitations and the dynamics of heavy quark propagation in the quark-gluon plasma (QGP) formed in relativistic heavy-ion collisions. We focus on three core aspects: the…

Nuclear Theory · Physics 2024-10-29 Mohammad Yousuf Jamal , Bedangadas Mohanty

If a quark-gluon plasma is formed in relativistic heavy-ion collisions, there may or may not be a mixed phase of quarks, gluons and hadronic clusters when the critical temperature is reached in the expansion of the fireball. If there is a…

High Energy Physics - Phenomenology · Physics 2009-11-07 Markus H. Thoma

The study of angular correlations of heavy-flavor particles in hadronic collisions can provide crucial insight into the heavy quark production, showering, and hadronization processes. The comparison with model predictions allows us to…

Nuclear Experiment · Physics 2024-03-05 Deepa Thomas , Fabio Colamaria

Thermodynamic and transport properties of nuclear fireball created in the central region of heavy-ion collisions below 400 MeV/nucleon are investigated within the isospin-dependent quantum molecular dynamic (IQMD) model. These properties…

Nuclear Theory · Physics 2013-09-27 C. L. Zhou , Y. G. Ma , D. Q. Fang , G. Q. Zhang

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

Understanding the properties of the quark-gluon plasma (QGP) offers insights into the strong interaction and the conditions of the early universe.Since the QGP cannot be observed directly, its properties must be inferred from the particles…

Nuclear Experiment · Physics 2025-08-20 Somadutta Bhatta

The (3+1)-dimensional ideal hydrodynamics is used to simulate collisions of gold nuclei with bombarding energies from 1 to 160 GeV per nucleon. The initial state is represented by two cold Lorentz-boosted nuclei. Two equations of state:…

High Energy Physics - Phenomenology · Physics 2015-05-20 I. N. Mishustin , A. V. Merdeev , L. M. Satarov

We present results of simulations of light-nuclei production in Au+Au collisions at collision energy of $\sqrt{s_{NN}}=$ 3 GeV within updated Three-fluid Hydrodynamics-based Event Simulator Extended by UrQMD (Ultra-relativistic Quantum…

Nuclear Theory · Physics 2024-02-02 M. Kozhevnikova , Yu. B. Ivanov

We present a fully three-dimensional model providing initial conditions for energy and net-baryon density distributions in heavy ion collisions at arbitrary collision energy. The model includes the dynamical deceleration of participating…

Nuclear Theory · Physics 2018-02-21 Chun Shen , Björn Schenke
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