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Simultaneous description of heavy quark nuclear suppression factor $R_{AA}$ and the elliptic flow $v_2$ is a top challenge for all the existing models. We highlight how the temperature dependence of the energy loss/transport coefficients is…

核理论 · 物理学 2017-03-08 Santosh K. Das , Francesco Scardina , Salvatore Plumari , Vincenzo Greco

The mechanism for generating directed and elliptic flow in heavy-ion collisions is investigated and quantified for the SIS18 and SIS100 energy regimes. The observed negative elliptic flow $v_2$, at midrapidity has been explained either via…

核理论 · 物理学 2024-11-21 Tom Reichert , Jörg Aichelin

The collision energy dependence of jet tomography is investigated within the GLV formalism. We estimate systematic uncertainties resulting from the interplay of energy loss fluctuations and the rapid increase of the parton transverse…

核理论 · 物理学 2009-10-09 A. Adil , M. Gyulassy

The measured data on the nuclear modification factor for pions and reconstructed jets as well as on the high-pT elliptic flow at RHIC and LHC energies are compared to results from a linear pQCD and a highly non-linear hybrid AdS holographic…

高能物理 - 唯象学 · 物理学 2015-09-04 Barbara Betz , Florian Senzel , Carsten Greiner , Miklos Gyulassy

Elliptic flow ($v_2$) fluctuations in central heavy-ion collisions are direct probes of the fluctuating geometry of the quark-gluon plasma, and, as such, are strongly sensitive to any deviation from spherical symmetry in the shape of the…

核理论 · 物理学 2019-03-05 Giuliano Giacalone

Elliptic flow in heavy-ion collisions at incident energies $E_{lab}\simeq$ (1--160)A GeV is analyzed within the model of 3-fluid dynamics (3FD). We show that a simple correction factor, taking into account dissipative affects, allows us to…

核理论 · 物理学 2009-12-30 Yu. B. Ivanov , I. N. Mishustin , V. N. Russkikh , L. M. Satarov

The gluonic contribution to the nuclear modification factor R_AA is investigated for central Au + Au collisions at sqrt(s) = 200 GeV employing a perturbative QCD-based parton cascade including radiative processes. A flat quenching pattern…

高能物理 - 唯象学 · 物理学 2009-06-30 O. Fochler , Z. Xu , C. Greiner

We extend our recently advanced model on collisional energy loss of heavy quarks in a quark gluon plasma (QGP) by including radiative energy loss. We discuss the approach and present calculations for PbPb collisions at $\sqrt{s}=2.76 TeV$.…

核理论 · 物理学 2012-01-23 J. Aichelin , P. B. Gossiaux , T. Gousset

Turbulent flows posses broadband, power-law spectra in which multiscale interactions couple high-wavenumber fluctuations to large-scale dynamics. Although diffusion-based generative models offer a principled probabilistic forecasting…

流体动力学 · 物理学 2025-12-11 Anish Sambamurthy , Ashesh Chattopadhyay

Recently it has been discovered that the elliptic flow, v2, of composite charged particles emitted at midrapidity in Heavy-Ion collisions at intermediate energies shows the strongest sensitivity to the Nuclear Equation of State (EoS) which…

核理论 · 物理学 2018-09-12 A. Le Fevre , Y. Leifels , C. Hartnack , J. Aichelin

Space-time evolution and subsequent particle production from minimally viscous ($\eta/s$=0.08) QGP fluid is studied using the 2nd order Israel-Stewart's theory of dissipative relativistic fluid. Compared to ideal fluid, energy density or…

高能物理 - 理论 · 物理学 2008-11-26 A. K. Chaudhuri

We present a review of the measurements of elliptic flow ($v_{2}$) of light nuclei ($d$,$\bar{d}$, $t$, $^{3}\rm He$, and $^{3}\overline{\rm He}$) from the RHIC and LHC experiments. Light (anti)nuclei $v_{2}$ have been compared with that of…

核实验 · 物理学 2017-08-14 Md. Rihan Haque , Chitrasen Jena , Bedangadas Mohanty

Anisotropic transverse flow is studied in Pb+Pb and Au+Au collisions at SPS and RHIC energies. The centrality and transverse momentum dependence at midrapidity of the elliptic flow coefficient v_2 is calculated in the hydrodynamic and low…

高能物理 - 唯象学 · 物理学 2009-10-09 P. F. Kolb , P. Huovinen , U. Heinz , H. Heiselberg

The heavy quark energy loss puzzle is explained by collective flow effects in a dynamic medium. The dead cone and LPM effect are found to be changed comparing to the static medium case. Instead of only one dead cone in the static medium,…

核理论 · 物理学 2011-01-27 Luan Cheng , Enke Wang

We study a coupled kinetic-non-Newtonian fluid system on the periodic domain ${\mathbb T}^3$, where particles evolve by a Vlasov equation and interact with an incompressible power-law fluid through a drag force. We prove the global…

偏微分方程分析 · 数学 2025-08-22 Young-Pil Choi , Jinwook Jung , Aneta Wróblewska-Kamińska

The logarithmic KdV (log-KdV) equation admits global solutions in an energy space and exhibits Gaussian solitary waves. Orbital stability of Gaussian solitary waves is known to be an open problem. We address properties of solutions to the…

偏微分方程分析 · 数学 2016-07-08 Dmitry E. Pelinovsky

Here I review measurements of v2, the second component in a Fourier decomposition of the azimuthal dependence of particle production relative to the reaction plane in heavy-ion collisions. v2 is an observable central to the interpretation…

核实验 · 物理学 2016-12-21 Paul Sorensen

We present suppression results for high-$p_T$ $D$ and $\pi$ mesons produced in $p / d + A$ and $A+A$ collisions at RHIC and LHC. These results are computed using a convolved elastic and radiative energy loss model, which receives small…

核理论 · 物理学 2024-09-24 Coleridge Faraday , W. A. Horowitz

Recent resurgence of interest in applications of dense plasma focus and doubts about the conventional view of dense plasma focus as a purely irrotational compressive flow have re-opened questions concerning device optimization. In this…

等离子体物理 · 物理学 2013-11-06 S K H Auluck

The elliptic flow of emitted particles and fragments observed in heavy-ion reactions at high energy has become an important observable reflecting the pressure generated in the dense collision zone. More recently, the strength of the nuclear…

核实验 · 物理学 2019-08-28 W. Trautmann