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Related papers: Small-$x$ evolution of jet quenching parameter

200 papers

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

We review selected results from a recent in-depth study of jet shapes and jet cross sections in ultra-relativistic reactions with heavy nuclei at the LHC arXiv:0810.2807 [hep-ph]. We demonstrate that at the highest collider energies these…

High Energy Physics - Phenomenology · Physics 2009-07-22 Ivan Vitev , Ben-Wei Zhang , Simon Wicks

The jet quenching parameter of an anisotropic plasma depends on the relative orientation between the anisotropic direction, the direction of motion of the parton, and the direction along which the momentum broadening is measured. We…

High Energy Physics - Theory · Physics 2012-09-18 Mariano Chernicoff , Daniel Fernandez , David Mateos , Diego Trancanelli

The jet quenching phenomenon in an anisotropic quark-gluon plasma is studied using gauge-gravity duality. We consider a more general orientation of the contour of a lightlike Wilson loop in the boundary field theory. The Nambu-Goto action…

High Energy Physics - Theory · Physics 2026-01-01 Pavel Slepov

The aim of this study is to set a baseline for the jet quenching measurements of the Quark Gluon Plasma (QGP) formed in the large system size Nucleus-Nucleus (A-A) at top central collisions, via studying simulated small system size,…

High Energy Physics - Experiment · Physics 2020-01-29 M. T. AlFiky , O. T. ElSherif , A. M. Hamed

Within the context of a hybrid strong/weak coupling model of jet quenching, we study the modification of the angular distribution of the energy within jets in heavy ion collisions, as partons within jet showers lose energy and get kicked as…

High Energy Physics - Phenomenology · Physics 2017-04-26 Jorge Casalderrey-Solana , Doga Gulhan , Guilherme Milhano , Daniel Pablos , Krishna Rajagopal

Jets are produced in the earliest stages of heavy-ion collisions, where they can interact with a medium that is not yet close to local equilibrium. Motivated by this, we generalize the usual jet transport coefficient $\hat q$ to a…

High Energy Physics - Phenomenology · Physics 2026-03-06 Isabella Danhoni , Nicki Mullins , Jorge Noronha

We study dynamics of a QGP fluid induced by energetic partons propagating through it. We construct a (3+1)-dimensional QGP-fluid+Jet model. When a jet traverses a uniform fluid, it induces a Mach cone structure of energy density…

Nuclear Theory · Physics 2015-06-11 Yasuki Tachibana , Tetsufumi Hirano

The intrinsic quantum nature of jets and the Quark-Gluon Plasma makes the study of jet quenching a promising candidate to benefit from quantum computing power. Standing as a precursor of the full study of this phenomenon, we study the…

High Energy Physics - Phenomenology · Physics 2025-11-20 Nuno Filipe Castro , José Guilherme Milhano , Maria Gabriela Jordão Oliveira

We get the dual gravity metric of the rotating nuclear matter by performing a standard Lorentz transformation on the static metric in the D-instanton background. Then, we study the effects of the angular velocity, the instanton density and…

High Energy Physics - Phenomenology · Physics 2024-05-03 Jun-Xia Chen , De-Fu Hou

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…

High Energy Physics - Phenomenology · Physics 2009-06-30 O. Fochler , Z. Xu , C. Greiner

A complete numerical solution of the evolution equation for parton multiplicities in quark and gluon jets with initial conditions at threshold is presented. Data on both hadron and jet multiplicities in e+e- annihilation are well described…

High Energy Physics - Phenomenology · Physics 2009-10-30 Sergio Lupia , Wolfgang Ochs

Motivated by color coherence and decoherence effects in the QCD medium, we propose a theoretical framework that combines vacuum-like emissions and medium-induced radiation to study jet quenching and its dependence on jet cone sizes and…

High Energy Physics - Phenomenology · Physics 2026-03-24 Xiang-Pan Duan , Lin Chen , Guo-Liang Ma , Carlos A. Salgado , Bin Wu

We develop a comprehensive analytic framework for jet quenching in QCD media, based on a medium-induced parton cascade sourced by collinear virtual splittings. We show that the energy flow out of the jet cone, driven by turbulent gluon…

High Energy Physics - Phenomenology · Physics 2024-11-20 Yacine Mehtar-Tani

QCD jets provide one of the best avenues to extract information about the quark-gluon plasma produced in the aftermath of ultra relativistic heavy ions collisions. The structure of jets is determined by multiparticle quantum interference…

High Energy Physics - Phenomenology · Physics 2022-10-20 João Barata , Xiaojian Du , Meijian Li , Wenyang Qian , Carlos A. Salgado

The most suitable way to study the jet quenching as a function of distance traversed is varying the impact parameter b of ultrarelativistic nucleus-nucleus collision (initial energy density in nuclear overlapping zone is almost independent…

High Energy Physics - Phenomenology · Physics 2016-09-06 I. P. Lokhtin , A. M. Snigirev

We calculate the probability (``quenching weight'') that a hard parton radiates an additional energy fraction due to scattering in spatially extended QCD matter. This study is based on an exact treatment of finite in-medium path length, it…

High Energy Physics - Phenomenology · Physics 2009-11-10 Carlos A. Salgado , Urs Achim Wiedemann

For jets, with great power comes great opportunity. The unprecedented center of mass energies available at the LHC open new windows on the QGP: we demonstrate that jet shape and jet cross section measurements become feasible as a new,…

High Energy Physics - Phenomenology · Physics 2009-05-20 Ivan Vitev , Simon Wicks , Ben-Wei Zhang

We revisited gluon bremsstrahlung off a heavy quark in nuclear matter within higher twist formalism. In this work, we demonstrate that, in addition to transverse momentum diffusion parameter ($\hat q$), the gluon emission spectrum for a…

Nuclear Theory · Physics 2016-05-19 Raktim Abir , Shanshan Cao , Abhijit Majumder , Guang-You Qin

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