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High $p_T$ jets are known to be strongly modified by the dense, strongly interacting medium created in heavy-ion collisions. The jet signal, extracted from two particle $\Delta\phi$ correlation, shows a systematic evolution of these…

Nuclear Experiment · Physics 2009-11-11 Jiangyong Jia

These proceedings report on measurements of the jet spectrum and nuclear modification factor for inclusive full jets (containing both charged and neutral constituents) in Pb-Pb and pp collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV recorded…

Nuclear Experiment · Physics 2020-09-07 Hannah Bossi

These proceedings report recent studies performed by the ALICE, ATLAS and CMS experiments on jet substructure in pp and Pb+Pb collisions at 5.02 TeV. The dependence of the modification of the jet shape on the dijet transverse moment um…

Nuclear Experiment · Physics 2022-09-21 Helena Santos

The first evidence of jet quenching was observed at RHIC via suppression of single high $p_T$ hadron $R_{AA}$ and the disappearance of the away-side jet peak in two-particle correlations. Since then, hadron $R_{AA}$ and two-particle…

Nuclear Experiment · Physics 2021-02-03 Anthony Hodges , PHENIX Collaboration

Currently, newly developed artificial intelligence techniques, in particular convolutional neural networks, are being investigated for use in data-processing and classification of particle physics collider data. One such challenging task is…

High Energy Physics - Experiment · Physics 2020-12-07 Jason Sang Hun Lee , Inkyu Park , Ian James Watson , Seungjin Yang

Jet-induced medium excitation is a crucial part of jet interactions with the quark-gluon plasma (QGP) in relativistic heavy-ion collisions, and has recently been confirmed by experiment for the first time. Based on the AMPT model…

Nuclear Theory · Physics 2024-12-30 Ao Luo , Shanshan Cao , Guang-You Qin

Hard processes in collider experiments typically produce QCD jets, which have long served as precision tests of QCD in the vacuum. More recently, heavy-ion programs at RHIC and the LHC have offered a novel perspective on jets, establishing…

High Energy Physics - Phenomenology · Physics 2025-10-01 Yacine Mehtar-Tani

Jet quenching is the process of color-charged partons losing energy via interactions with quark-gluon plasma droplets created in heavy-ion collisions. The collective expansion of such droplets is well described by viscous hydrodynamics.…

Nuclear Experiment · Physics 2023-09-21 ATLAS Collaboration

We leverage representation learning and the inductive bias in neural-net-based Standard Model jet classification tasks, to detect non-QCD signal jets. In establishing the framework for classification-based anomaly detection in jet physics,…

High Energy Physics - Phenomenology · Physics 2022-10-26 Taoli Cheng , Aaron Courville

The modification of jets by interaction with the Quark Gluon Plasma has been extensively established through the comparison of observables computed for samples of jets produced in nucleus-nucleus collisions and proton-proton collisions. The…

High Energy Physics - Phenomenology · Physics 2025-11-17 Miguel Crispim Romão , João Arruda Gonçalves , José Guilherme Milhano

Ultra-relativistic heavy ion collisions at RHIC and the LHC open exciting new possibilities for jet physics studies in the presence of hot and dense nuclear matter. Recent theoretical advances in understanding the QCD multi-parton dynamics…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ivan Vitev

To precisely measure jets over a large background such as pile up in high luminosity p+p collisions at LHC, a new generation of jet reconstruction algorithms is developed. These algorithms are also applicable to reconstruct jets in the…

Nuclear Experiment · Physics 2014-11-20 Sevil Salur

Jet quenching in high-energy heavy-ion collisions can be used to probe properties of hot and dense quark-gluon plasma. We provide a brief introduction to the concept and framework for the study of jet quenching. Different approaches and…

High Energy Physics - Phenomenology · Physics 2015-12-09 Guang-You Qin , Xin-Nian Wang

We review recent developments related to jet clustering algorithms and jet reconstruction, with particular emphasis on their implications in heavy ion collisions. These developments include fast implementations of sequential recombination…

High Energy Physics - Phenomenology · Physics 2009-10-09 Juan Rojo

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

Recent observation of high-$p_T$ hadron spectra suppression and mono-jet production in central $Au+Au$ collisions and their absence in $d+Au$ collisions at RHIC have confirmed the long predicted phenomenon of jet quenching in high-energy…

Nuclear Theory · Physics 2009-11-10 Xin-Nian Wang

One of the most active areas of investigation in relativistic heavy-ion collisions is the study of the jet quenching phenomenon whereby hard partons lose their energy as they traverse the hot, dense matter created in such collisions. Strong…

Nuclear Experiment · Physics 2019-08-14 Matthew Nguyen

Reconstructed jets initiated from heavy quarks provide a powerful tool to probe the properties of the quark-gluon plasma (QGP) and to explore the mass hierarchy of jet quenching. In this article, we review the recent theoretical progresses…

Nuclear Theory · Physics 2023-03-31 Sa Wang , Wei Dai , Enke Wang , Xin-Nian Wang , Ben-Wei Zhang

Central lead-lead collisions at the LHC energies may pose a particular challenge for jet identification as multiple jets are produced per each collision event. We simulate the jet evolution in central Pb-Pb events at $\sqrt{s_{\rm NN}} =…

Nuclear Theory · Physics 2020-01-15 Iurii Karpenko , Joerg Aichelin , Pol Gossiaux , Martin Rohrmoser , Klaus Werner

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