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Related papers: Determining the jet transport coefficient $\hat{q}…

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The leading jet transport coefficients $\hat{q}$ or $\hat{e}_{2}$ encode transverse or longitudinal momentum broadening of a hard parton traversing a hot medium. Understanding their temperature dependence is key to appreciating the observed…

High Energy Physics - Lattice · Physics 2023-07-19 Amit Kumar , Abhijit Majumder , Ismail Soudi , Johannes H. Weber

We study the interaction of leading jet partons in a strongly interacting quark-gluon plasma (sQGP) medium based on the effective dynamical quasi-particle model (DQPM). The DQPM describes the non-perturbative nature of the sQGP at finite…

Nuclear Theory · Physics 2025-03-05 Ilia Grishmanovskii , Taesoo Song , Olga Soloveva , Carsten Greiner , Elena Bratkovskaya

Based on the holographic model, which incorporates the equation of state (EoS) and baryon number susceptibility for different flavors, we calculate the drag force, jet quenching parameter, and diffusion coefficient of the heavy quark at…

High Energy Physics - Phenomenology · Physics 2025-07-08 Bing Chen , Xun Chen , Xiaohua Li , Zhou-Run Zhu , Kai Zhou

Within a multi-phase transport model with string melting scenario, jet transport parameter $\hat{q}$ is calculated in Au+Au collisions at $\sqrt{s_{NN} } $= 200 GeV and Pb+Pb collisions at $\sqrt{s_{NN} } $= 2.76 TeV. The $\hat{q}$…

High Energy Physics - Phenomenology · Physics 2020-03-18 Feng-Chu Zhou , Guo-Liang Ma , Yu-Gang Ma

The heavy-quark (HQ) transport coefficients have been estimated for a viscous quark-gluon plasma medium, utilizing a recently proposed quasi-particle description based on realistic QGP equation of state (EoS). Interactions entering through…

Nuclear Theory · Physics 2015-08-26 Santosh K. Das , Vinod Chandra , Jan-e Alam

We investigate the transport properties of the strongly interacting quark-gluon plasma (sQGP) by comparing the role of elastic and inelastic (radiative) processes in the sQGP medium within the effective dynamical quasi-particle model…

High Energy Physics - Phenomenology · Physics 2025-03-04 Ilia Grishmanovskii , Taesoo Song , Olga Soloveva , Carsten Greiner , Elena Bratkovskaya

Jet quenching in heavy-ion collisions probes parton energy loss in the quark--gluon plasma (QGP), but the extracted transport properties may not be universally constrained across centrality, beam energy, and observable class. In this work,…

High Energy Physics - Phenomenology · Physics 2026-04-20 Dongguk Kim , Dongjo Kim , Jeongsu Bok , Beomkyu Kim

The quality of data taken at RHIC and LHC as well as the success and sophistication of computational models for the description of ultra-relativistic heavy-ion collisions have advanced to a level that allows for the quantitative extraction…

Nuclear Theory · Physics 2018-03-14 Steffen A. Bass , Jonah E. Bernhard , J. Scott Moreland

Different types of high energy hard probes are used to extract the jet transport properties of the Quark-Gluon Plasma created in heavy-ion collisions, of which the heavy boson tagged jets are undoubtedly the most sophisticated due to its…

High Energy Physics - Phenomenology · Physics 2020-12-30 Lin Chen , Shu-Yi Wei , Han-Zhong Zhang

The Linear Boltzmann Transport (LBT) model for jet propagation and interaction in quark-gluon plasma (QGP) has been used to study jet quenching in high-energy heavy-lion collisions. The suppression of single inclusive jet production, medium…

Nuclear Theory · Physics 2019-02-20 Yayun He , Shanshan Cao , Wei Chen , Tan Luo , Long-Gang Pang , Xin-Nian Wang

We investigate the interaction of leading jet partons within a strongly interacting quark-gluon plasma (sQGP) medium, using the effective dynamical quasiparticle model (DQPM). The DQPM offers a description of the sQGP's non-perturbative…

High Energy Physics - Phenomenology · Physics 2025-03-05 Ilia Grishmanovskii , Taesoo Song , Olga Soloveva , Carsten Greiner , Elena Bratkovskaya

Jet quenching has been used successfully as a hard probe to study properties of the quark-gluon plasma (QGP) in high-energy heavy-collisions at both the Relativistic Heavy-Ion Collider (RHIC) and the Large Hadron Collider (LHC). We will…

High Energy Physics - Phenomenology · Physics 2021-02-03 Shanshan Cao , Xin-Nian Wang

The transport coefficient $\hat{q}$ is a leading coefficient that controls the modification of the hard parton traversing QGP, and hence, responsible for the suppression of the high transverse momentum (transverse to the beam direction)…

Nuclear Theory · Physics 2020-09-15 Amit Kumar , Abhijit Majumder , Johannes Heinrich Weber

Using the Plastino-Plastino (PP) equation, we calculate transport coefficients of the heavy-quarks traversing inside the quark-gluon plasma, and generalize their relationship with differential energy loss. The PP equation indicates…

High Energy Physics - Phenomenology · Physics 2024-08-05 Trambak Bhattacharyya , Eugenio Megias , Airton Deppman

We study the properties of the strongly-coupled quark-gluon plasma with a multistage model of heavy ion collisions that combines the T$_\mathrm{R}$ENTo initial condition ansatz, free-streaming, viscous relativistic hydrodynamics, and a…

We derive an expression relating the transport parameter $\hat{q}$ and the shear viscosity $\eta$ of a weakly coupled quark-gluon plasma. A deviation from this relation can be regarded as a quantitative measure of ``strong coupling'' of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Majumder , B. Müller , X. -N. Wang

The medium-temperature $T$ dependence of the jet transport coefficient $\hat q$ was studied via the nuclear modification factor $R_{AA}(p_{\rm T})$ and elliptical flow parameter $v_2(p_{\rm T})$ for large transverse momentum $p_{\rm T}$…

High Energy Physics - Phenomenology · Physics 2024-09-30 Man Xie , Han-Qing Fei , En-Ke Wang , Ben-Wei Zhang , Han-Zhong Zhang

We present an attempt to probe the underlying structure of the quark-gluon plasma (QGP) at high resolution, based on the extracted jet transport coefficient $\hat{q}$. We argue that the exchanged momentum $k$ between the hard parton and the…

Nuclear Theory · Physics 2020-03-18 Amit Kumar , Abhijit Majumder , Chun Shen

A Linear Boltzmann Transport (LBT) Monte Carlo model has been developed to describe jet propagation and interaction with the quark-gluon plasma (QGP) in relativistic heavy-ion collisions. A complete set of elastic scattering processes and…

Nuclear Theory · Physics 2024-04-02 Tan Luo , Yayun He , Shanshan Cao , Xin-Nian Wang

We present here an extraction of the jet transport coefficient, $\hat{q}$, using RHIC and LHC single-inclusive high-$p_T$ data for different centralities. We fit a $K$-factor that determines the deviation of this coefficient from an ideal…

Nuclear Theory · Physics 2016-12-21 Carlota Andres , Nestor Amesto , Matthew Luzum , Carlos A. Salgado , Pia Zurita