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To study the bulk properties of the quark-gluon-plasma (QGP) produced at the beam energy scan (BES) energies at the Relativistic Heavy Ion Collider (RHIC), we extend the (3+1)-dimensional viscous hydrodynamics CLVisc to include net baryon…

High Energy Physics - Phenomenology · Physics 2022-04-13 Xiang-Yu Wu , Guang-You Qin , Long-Gang Pang , Xin-Nian Wang

We extend the Gunion Bertsch calculation of gluon radiation in single scattering to the case of finite mass quarks. This case applies to the radiative energy-loss of heavy quarks of intermediate energies propagating in a quark gluon plasma.…

High Energy Physics - Phenomenology · Physics 2015-06-22 Pol Bernard Gossiaux , Joerg Aichelin , Thierry Gousset , Marlene Nahrgang , Vitalii Ozvenchuk , Klaus Werner

We analyze the second Fourier coefficient $v_2$ of the pion azimuthal distribution in non-central heavy-ion collisions in a relativistic hydrodynamic model. The exact treatment of the decay kinematics of resonances leads to almost vanishing…

Nuclear Theory · Physics 2009-11-06 Tetsufumi Hirano

In this proceedings contribution I review recent progress concerning the suppression of bottomonium production in the quark-gluon plasma. Making use of open quantum system methods applied to potential non-relativistic quantum chromodynamics…

High Energy Physics - Phenomenology · Physics 2022-01-03 Michael Strickland

The flow pattern and evolution of the medium created in ultrarelativistic heavy ion collisions can have significant influence on the energy loss of hard partons traversing the medium. We demonstrate that within a range of assumptions for…

High Energy Physics - Phenomenology · Physics 2009-11-11 Thorsten Renk

We present a model for radiative energy loss of heavy quarks in quark gluon plasma which incorporates coherence effects. We then study its consequences on the radiation spectra as well as on the nuclear modification factor of open heavy…

High Energy Physics - Phenomenology · Physics 2015-06-11 Pol Bernard Gossiaux

Anisotropic flow measurements constrain the shear $(\eta/s)$ and bulk ($\zeta/s$) viscosity of the quark-gluon plasma created in heavy-ion collisions, as well as give insight into the initial state of such collisions and hadronization…

Nuclear Experiment · Physics 2018-03-14 R. A. Bertens

Anisotropies in the final state of heavy-ion collisions carry information on the creation, expansion and evolution of the quark-gluon plasma. Currently, there is an abundance of studies on azimuthal anisotropies in comparison to…

High Energy Physics - Phenomenology · Physics 2019-08-23 Meera Machado

Evolution of spatially anisotropic perturbation created in the system formed after Relativistic Heavy Ion Collisions has been studied. The microscopic evolution of the fluctuations has been examined within the ambit of Boltzmann Transport…

Nuclear Theory · Physics 2018-03-19 Golam Sarwar , Jan-e Alam

Many of the hadron-hadron cross sections required for the study of the dynamics of matter produced in relativistic heavy-ion collisions can be calculated using the quark-interchange model. Here we evaluate the low-energy dissociation cross…

Nuclear Theory · Physics 2014-11-18 Cheuk-Yin Wong , E. S. Swanson , T. Barnes

We examine the significance of $2 \rightarrow 2$ partonic collisions as the suppression mechanism of high-energy partons in the strongly interacting medium formed in ultrarelativistic heavy ion collisions. For this purpose, we have…

High Energy Physics - Phenomenology · Physics 2011-06-14 Jussi Auvinen , Kari J. Eskola , Hannu Holopainen , Thorsten Renk

We investigate the impact of the magnetic field generated by colliding nuclei on heavy quark-antiquark interactions and heavy quark dynamics in the quark-gluon plasma (QGP). By means of hard-thermal-loop resummation technique combined with…

High Energy Physics - Phenomenology · Physics 2024-04-09 He-Xia Zhang , Enke Wang

We show that experimental data on cumulants of anisotropic flow in heavy-ion collisions probe the non-Gaussian statistics of the energy density field created right after the collision. We carry out a perturbative expansion of the initial…

Nuclear Theory · Physics 2019-08-07 Rajeev S. Bhalerao , Giuliano Giacalone , Jean-Yves Ollitrault

We investigate the implications of a nonzero bulk viscosity coefficient on the azimuthal momentum anisotropy of ultracentral relativistic heavy ion collisions at the Large Hadron Collider. We find that, with IP-Glasma initial conditions, a…

Nuclear Theory · Physics 2015-06-22 J. -B. Rose , J. -F. Paquet , G. S. Denicol , M. Luzum , B. Schenke , S. Jeon , C. Gale

It was argued recently that loop corrections to tree-level amplitudes are essential in the discussion of the collisional energy loss of energetic partons in the hot quark gluon plasma: Instead of $dE_{\rm coll}^B/dx \sim \alpha^2 T^2…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Peshier

Recent studies have shown that the shape and radial profile of the colliding nuclei have strong influences on the initial condition of the heavy ion collisions and the subsequent development of the anisotropic flow. Using A Multi-Phase…

Nuclear Theory · Physics 2023-11-29 Zhiyong Lu , Mingrui Zhao , Jiangyong Jia , You Zhou

The elliptical flow of fragments is studied for different systems at incident energies between 50 and 1000 MeV/nucleon using the isospin-dependent quantum molecular dynamics (IQMD) model. Our findings reveal that elliptical flow shows a…

Nuclear Theory · Physics 2010-11-02 Sanjeev Kumar , Suneel Kumar , Rajeev K. Puri

A system of equations of anisotropic hydrodynamics that describes mixture of quark and gluon fluids is studied. The equations are based on the zeroth, first, and second moments of the RTA kinetic equations. Tests of this formulation are…

Nuclear Theory · Physics 2017-08-10 Ewa Maksymiuk

The pre-equilibrium evolution of a quark-gluon plasma produced in a heavy-ion collision is studied in the framework of kinetic theory. We discuss the approach to local thermal equilibrium, and the onset of hydrodynamics, in terms of a…

Nuclear Theory · Physics 2018-01-17 Jean-Paul Blaizot , Li Yan

In this paper, we calculate the soft-collisional energy loss of heavy quarks traversing the viscous quark-gluon plasma including the effects of a finite relaxation time $\tau_\pi$ on the energy loss. We find that the collisional energy loss…

High Energy Physics - Phenomenology · Physics 2014-07-30 Mauro Elias , J. Peralta-Ramos , E. Calzetta