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

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Jet quenching is considered to be one of the signatures of the formation of quark gluon plasma. In order to investigate the jet quenching, it is necessary to detect jets produced in relativistic heavy ion collisions, determine their…

Nuclear Theory · Physics 2009-11-10 S. C. Phatak , P. K. Sahu

The transport properties of the strongly-coupled quark-gluon plasma created in ultra-relativistic heavy-ion collisions are extracted by Bayesian parameter estimate methods with the latest collision beam energy data from LHC. This Bayesian…

High Energy Physics - Phenomenology · Physics 2021-11-17 J. E. Parkkila , A. Onnerstad , D. J. Kim

Several transport models have been employed in recent years to analyze heavy-flavor meson spectra in high-energy heavy-ion collisions. Heavy-quark transport coefficients extracted from these models with their default parameters vary,…

We build a new phenomenological framework that bridges the long wavelength bulk viscous transport properties of the strongly-coupled quark-gluon plasma (sQGP) and short distance hard jet transport properties in the QGP. The full…

Nuclear Theory · Physics 2016-10-11 Jiechen Xu , Jinfeng Liao , Miklos Gyulassy

High-energy heavy-ion collisions at the Relativistic Heavy-Ion Collider and the Large Hadron Collider have evolved from qualitative understanding into precise extraction of the properties of the Quantum Chromodynamics medium at extremely…

Nuclear Theory · Physics 2023-10-03 Shanshan Cao , Guang-You Qin

We develop a new heavy quark transport model, QLBT, to simulate the dynamical propagation of heavy quarks inside the quark-gluon plasma (QGP) created in relativistic heavy-ion collisions. Our QLBT model is based on the linear Boltzmann…

High Energy Physics - Phenomenology · Physics 2022-05-11 Feng-Lei Liu , Wen-Jing Xing , Xiang-Yu Wu , Guang-You Qin , Shanshan Cao , Xin-Nian Wang

We present a new study of jet interactions in the quark-gluon plasma created in high-energy heavy-ion collisions, using a multistage event generator within the JETSCAPE framework. We focus on medium-induced modifications in the rate of…

We present a global fit to single- and double-inclusive suppression data of high-$p_T$ particles in central Au+Au collisions at top RHIC energy. We also include in this analysis data on heavy quarks via their D and B meson semi-leptonic…

High Energy Physics - Phenomenology · Physics 2010-01-21 Nestor Armesto , Matteo Cacciari , Tetsufumi Hirano , James L. Nagle , Carlos A. Salgado

In this work, we expand the scope of the JETSCAPE framework to investigate the dependence of the jet nuclear modification factor, ${R_{AA}}$, on the jet radius parameter ($R$) for broader area jet cones, going all the way up to $R$ = 1.0.…

High Energy Physics - Phenomenology · Physics 2025-07-03 Manaswini Priyadarshini , Om Shahi , Vaishnavi Sathe , Prabhakar Palni

The quark-gluon plasma (QGP) is an exotic phase of matter, composed of deconfined quarks and gluons and is briefly created in heavy-ion collisions (HIC) at the LHC and at the RHIC. High-energy, self-collimated structures of final-state…

High Energy Physics - Phenomenology · Physics 2023-11-10 Eamonn Weitz

Jet suppression and modification is a hallmark feature of heavy-ion collisions. This can be attributed to an accumulated set of effects, including radiative and elastic energy loss and reabsorption of thermalized energy within the jet cone,…

High Energy Physics - Phenomenology · Physics 2024-12-11 Alexandre Falcão , Konrad Tywoniuk

Jet quenching serves as a key probes of the Quark-Gluon Plasma (QGP) in heavy-ion collisions. This proceedings presents recent results from RHIC and LHC on jet energy loss, acoplanarity, and the flavour and path-length dependence of Parton…

Nuclear Experiment · Physics 2025-05-08 Nihar Ranjan Sahoo

$\hat q$ is the average squared transverse momentum transfer per unit length to a high-energy particle traversing a QCD medium such as a quark-gluon plasma. We find the (UV-regulated) value of $\hat q$ to leading order in the weak coupling…

High Energy Physics - Phenomenology · Physics 2008-12-30 Peter Arnold , Wei Xiao

Jet Flavor Tomography is a powerful tool used to probe the properties of Quark Gluon Plasma formed in heavy ion collisions at RHIC and LHC. A new Monte Carlo model of jet quenching developed at Columbia University, CUJET, was applied to…

High Energy Physics - Phenomenology · Physics 2012-10-02 Alessandro Buzzatti , Miklos Gyulassy

Jets serve as powerful tomographic probes of the quark-gluon plasma (QGP) created in relativistic heavy-ion collisions. While the expanding landscape of jet observables reveals multi-faceted aspects of jet-medium interactions, a precise and…

Nuclear Theory · Physics 2026-02-12 Yichao Dang , Wen-Jing Xing , Shanshan Cao , Guang-You Qin

High momentum jets and hadrons can be used as probes for the quark gluon plasma (QGP) formed in nuclear collisions at high energies. We investigate the influence of fluctuations in the fireball on jet quenching observables by comparing…

Nuclear Theory · Physics 2010-12-17 Ricardo Rodriguez , Rainer J. Fries , Enrique Ramirez

This study investigates the color-charge dependence of parton energy loss in the quark-gluon plasma (QGP) medium and the associated relative modifications of quark and gluon jet fractions compared to vacuum, using jet axis decorrelation…

High Energy Physics - Phenomenology · Physics 2026-01-08 Raghunath Pradhan , Olga Evdokimov

A hot, dense medium called a Quark Gluon Plasma (QGP) is created in ultrarelativistic heavy ion collisions. Hard parton scatterings generate high momentum partons that traverse the medium, which then fragment into sprays of particle called…

Nuclear Experiment · Physics 2018-06-19 Megan Connors , Christine Nattrass , Rosi Reed , Sevil Salur

Suppression of jet spectra or jet quenching in high-energy heavy-ion collisions is caused by jet energy loss in the dense medium. The azimuthal anisotropy of jet energy loss in non-central heavy-ion collisions can lead to jet anisotropy…

High Energy Physics - Phenomenology · Physics 2022-01-24 Yayun He , Wei Chen , Tan Luo , Shanshan Cao , Long-Gang Pang , Xin-Nian Wang

We compute the jet quenching parameter $\hat q$ of QCD plasma in the presence of strong magnetic field in both weakly and strongly coupled regimes. In weakly coupled regime, we compute $\hat q$ in perturbative QCD at complete leading order…

High Energy Physics - Phenomenology · Physics 2016-10-27 Shiyong Li , Kiminad A. Mamo , Ho-Ung Yee