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Related papers: Baryon diffusion coefficient of the strongly inter…

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We develop a new dynamical model for high energy heavy-ion collisions in the beam energy region of the highest net-baryon densities on the basis of non-equilibrium microscopic transport model JAM and macroscopic 3+1D hydrodynamics by…

In relativistic heavy ion collisions, the $p_T$ distributions of hadrons reflect the transverse motion generated during the collision and therefore the collision dynamics. The moderate $p_T$ values measured to date at $\sqrt{s} \approx $ 20…

Nuclear Experiment · Physics 2007-05-23 J. M. Burward-Hoy , B. V. Jacak

The rapid thermalization of quarks and gluons in the initial stages of relativistic heavy-ion collisions is treated using analytic solutions of a nonlinear diffusion equation with schematic initial conditions, and for gluons with boundary…

High Energy Physics - Phenomenology · Physics 2020-05-04 Georg Wolschin

We analyze the measured spectra of $\pi^\pm$, $K^\pm$, $p$($\bar p$) in $pp$ collisions at $\sqrt {s}$ = 0.9, 2.76 and 7 TeV, in the light of blast-wave model to extract the transverse radial flow velocity and kinetic temperature at…

High Energy Physics - Phenomenology · Physics 2014-02-28 Premomoy Ghosh , Sanjib Muhuri , Jajati k. Nayak , Raghava Varma

Heavy quark production provides a unique probe of the quark-gluon plasma transport properties in heavy ion collisions. Experimental observables like the nuclear modification factor $R_{\rm AA}$ and elliptic anisotropy $v_{2}$ of heavy…

High Energy Physics - Phenomenology · Physics 2020-07-28 Shuang Li , Jinfeng Liao

The strongly interacting matter created in relativistic heavy-ion collisions possesses several conserved quantum numbers, such as baryon number, strangeness, and electric charge. The diffusion process of these charges can be characterized…

High Energy Physics - Phenomenology · Physics 2024-11-06 Sourav Dey , Amaresh Jaiswal , Hiranmaya Mishra

By utilizing a soft-hard factorized model, which combines a thermal perturbative description of soft scatterings and a perturbative QCD-based calculation for hard collisions, we study the energy and temperature dependence of the heavy quark…

High Energy Physics - Phenomenology · Physics 2021-06-24 Shuang Li , Fei Sun , Wei Xie , Wei Xiong

The baryon distribution is studied by using a parton cascade model which is based on pQCD incorporating hard partonic scattering and dynamical hadronization scheme. In order to study baryon distribution,baryonic cluster formation is newly…

Nuclear Theory · Physics 2007-05-23 Yasushi Nara

We argue that the distribution of hadrons near the longitudinal light-cone in central high-energy pA collisions is computable in weak coupling QCD. This is because the density of gluons per unit transverse area in the dense target at…

High Energy Physics - Phenomenology · Physics 2009-11-07 Adrian Dumitru , Lars Gerland , Mark Strikman

We report our recent theoretical calculations for $b\bar{b}$ dijet production in high-energy nuclear collisions. The NLO+parton shower (PS) event generator SHERPA has been employed to provide the pp baseline of $b\bar{b}$ dijet production.…

Nuclear Theory · Physics 2019-11-13 Sa Wang , Wei Dai , Shan-Liang Zhang , Ben-Wei Zhang , Enke Wang

High transverse momentum (P_T) gamma-hadron correlations are currently being regarded as the 'golden channel' for the study of the medium produced in ultrarelativistic heavy ion collisions by means of hard probes. This is due to several…

High Energy Physics - Phenomenology · Physics 2009-08-18 Thorsten Renk

We prove a Large Deviations Principle (LDP) for systems of diffusions (particles) interacting through their ranks, when the number of particles tends to infinity. We show that the limiting particle density is given by the unique solution of…

Probability · Mathematics 2017-04-05 Amir Dembo , Mykhaylo Shkolnikov , S. R. Srinivasa Varadhan , Ofer Zeitouni

Within the framework of a relativistic transport model (ART) for heavy-ion collisions at AGS energies, we examine the effects of kaon dispersion relation on the transverse flow of kaons and their transverse momentum and azimuthal angle…

Nuclear Theory · Physics 2009-09-25 Bao-An Li , Che Ming Ko

We explore the response to energetic partons of a baryon-charged medium produced in low energy heavy-ion collisions in which the partonic energy loss rate is expected to depend on both temperature and baryon chemical potential. The energy…

High Energy Physics - Phenomenology · Physics 2022-09-13 Lipei Du , Ulrich Heinz

The transverse momentum ($p_T$) and pseudorapidity ($\eta$) spectra of charged particles produced in proton-proton ($pp$) and lead-lead (Pb-Pb) collisions at the large hadron collider (LHC) are described by a hybrid model. In the model, the…

High Energy Physics - Phenomenology · Physics 2017-01-13 Ya-Hui Chen , Fu-Hu Liu , Sakina Fakhraddin , Magda A. Rahim , Mai-Ying Duan

The diffusion coefficient of heavy quarks in the deconfined medium is examined in this research using a deep convolutional neural network (CNN) trained with data from relativistic heavy ion collisions involving heavy flavor hadrons. The CNN…

Nuclear Theory · Physics 2023-11-22 Rui Guo , Yonghui Li , Baoyi Chen

We evaluate thermodynamical quantities and transport coefficients of a dense and hot hadronic matter based on an event generator URASiMA (Ultra-Relativistic AA collision Simulator based on Multiple Scattering Algorithm). The statistical…

Nuclear Theory · Physics 2009-11-06 N. Sasaki , O. Miyamura , S. Muroya , C. Nonaka

In this thesis, we focus on the fluctuations and correlations of the collective observables such as the mean transverse momentum per particle ($[p_T]$) and harmonic flow coefficients ($v_n$) of particles produced in the ultrarelativistic…

Nuclear Theory · Physics 2025-05-20 Rupam Samanta

We perform the first simultaneous Bayesian inference of the temperature-dependent heavy-quark spatial diffusion coefficient $2\pi T\mathcal{D}_s$ and the scaled jet transport coefficient $\hat{q}/T^3$ in the quark-gluon plasma, utilizing…

Nuclear Theory · Physics 2026-04-17 Xu-Fei Xue , Zi-Xuan Xu , Wei Dai , Jiaxing Zhao , Ben-Wei Zhang

We utilize a 3D hybrid hydro+micro model for a comprehensive and consistent description of soft and hard particle production in ultra-relativistic heavy-ion collisions at RHIC. In the soft sector we focus on the dynamics of (multi-)strange…

Nuclear Theory · Physics 2008-11-26 S. A. Bass , T. Renk , J. Ruppert , C. Nonaka