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We argue that contemporary jet substructure techniques might facilitate a more direct measurement of hard medium-induced gluon bremsstrahlung in heavy-ion collisions, and focus specifically on the "soft drop declustering" procedure that…

High Energy Physics - Phenomenology · Physics 2017-05-24 Yacine Mehtar-Tani , Konrad Tywoniuk

In the first talk I discuss the usefulness of jet grooming for testing jet quenching mechanisms, and I present a calculation of soft-drop jet mass distribution in proton-proton and heavy ion collisions. In the second talk I discuss the…

High Energy Physics - Phenomenology · Physics 2019-01-25 Yang-Ting Chien

We explore the ability of a recently proposed jet substructure technique, Dynamical Grooming, to pin down the properties of the Quark-Gluon Plasma formed in ultra-relativistic heavy-ion collisions. In particular, we compute, both…

High Energy Physics - Phenomenology · Physics 2022-09-23 Paul Caucal , Alba Soto-Ontoso , Adam Takacs

Measurements of jet substructure in ultra-relativistic heavy ion collisions suggest that the jet showering process is modified by the interaction with quark gluon plasma. Modifications of the hard substructure of jets can be explored with…

High Energy Physics - Phenomenology · Physics 2023-05-17 Lihan Liu , Julia Velkovska , Marta Verweij

Jet substructure observables provide unique probes of the properties of the Quark-Gluon Plasma (QGP). In these proceedings we report new measurements of groomed jet substructure in central Pb-Pb collisions at $\sqrt{s_\mathrm{NN}}=5.02$…

Nuclear Experiment · Physics 2023-10-12 Raymond Ehlers

This article presents groomed jet substructure measurements in pp and Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV with the ALICE detector. The Soft Drop grooming algorithm provides access to the hard parton splittings inside a jet…

Nuclear Experiment · Physics 2022-04-11 ALICE Collaboration

Jets produced in high-energy heavy-ion collisions are modified compared to those in proton-proton collisions due to their interaction with the deconfined, strongly-coupled quark-gluon plasma (QGP). In this work, we employ machine learning…

High Energy Physics - Phenomenology · Physics 2022-10-17 Yue Shi Lai , James Mulligan , Mateusz Płoskoń , Felix Ringer

Modification of the hard jet substructure in terms of the Soft Drop jet grooming algorithm observables is studied for three different scenarios of jet quenching in a quark-gluon plasma: i) an explicit enhancement of the parton splitting…

High Energy Physics - Phenomenology · Physics 2017-11-06 K. Lapidus , M. H. Oliver

The theoretical interpretation of jet observables in heavy-ion collisions is a complex task due to the intricate interplay of perturbative and non-perturbative effects. One way to reduce this complexity is to groom away soft, wide-angle…

High Energy Physics - Phenomenology · Physics 2026-01-21 Liliana Apolinário , Diogo Costa , Alba Soto-Ontoso

Jet grooming has emerged as a necessary and powerful tool in a precision jet physics program. In this paper, we present three results on jet grooming in perturbation theory, focusing on heavy jet mass in $e^+e^-\to$ hadrons collisions,…

High Energy Physics - Phenomenology · Physics 2020-08-18 Andrew J. Larkoski

Jet modification in heavy-ion collisions provides microscopic access to the properties of the quark-gluon plasma. However, conventional approaches based on traditional global observables, such as \(R_{AA}\), capture limited information…

High Energy Physics - Phenomenology · Physics 2026-04-24 Leonardo Lima da Silva , Marcelo Gameiro Munhoz

Jets are suppressed and modified in heavy ion collisions, which serve as powerful probes to the properties of the quark-gluon plasma (QGP). Attributed to the abundant information carried by the jet constituents and reconstructed…

High Energy Physics - Phenomenology · Physics 2023-08-22 Yi-Lun Du

We present an analysis of the role that the quark-gluon plasma (QGP) resolution length, the minimal distance by which two nearby colored charges in a jet must be separated such that they engage with the plasma independently, plays in…

High Energy Physics - Phenomenology · Physics 2020-02-19 J. Casalderrey-Solana , G. Milhano , D. Pablos , K. Rajagopal

We present a survey of a comprehensive set of jet substructure observables commonly used to study the modifications of jets resulting from interactions with the Quark Gluon Plasma in Heavy Ion Collisions. The \jewel{} event generator is…

High Energy Physics - Phenomenology · Physics 2024-01-24 Miguel Crispim Romão , José Guilherme Milhano , Marco van Leeuwen

Jets in relativistic heavy-ion collisions (HICs) interact with the quark-gluon plasma (QGP), leading to effects such as a suppression of jet yields and a modification of internal jet structure that are used to measure the properties of the…

Nuclear Experiment · Physics 2022-09-01 Hannah Bossi

A measurement of the groomed jet mass in PbPb and pp collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV with the CMS detector at the LHC is presented. Jet grooming is a recursive procedure which sequentially removes soft…

High Energy Physics - Experiment · Physics 2018-11-15 CMS Collaboration

Measurements of jet substructure in ultra-relativistic heavy-ion collisions indicate that interactions with the quark-gluon plasma quench the jet showering process. Modern data-driven methods have shown promise in probing these…

High Energy Physics - Phenomenology · Physics 2024-12-02 Umar Sohail Qureshi , Raghav Kunnawalkam Elayavalli

Jet substructure provides a powerful probe of partonic interactions within the quark-gluon plasma (QGP) in heavy-ion collisions. In this paper, we present a systematic theoretical study of the groomed substructures for both inclusive jets…

High Energy Physics - Phenomenology · Physics 2025-12-17 Sa Wang , Shuang Li , Jin-Wen Kang , Ben-Wei Zhang , Enke Wang

Studies of fully-reconstructed jets in heavy-ion collisions aim at extracting thermodynamical and transport properties of hot and dense QCD matter. Recently, a plethora of new jet substructure observables have been theoretically and…

Reconstructed jets in heavy ion collisions are a crucial tool for understanding the quark-gluon plasma. The separation of jets from the underlying event is necessary particularly in central heavy ion reactions in order to quantify medium…

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