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Related papers: Sensitivity of jet substructure to jet-induced med…

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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

Color coherence effects play a crucial role in the description of jet evolution at collider experiments. It is well known that the stimulated gluon emission suffered by energetic jets traversing deconfined QCD matter is also affected by…

High Energy Physics - Phenomenology · Physics 2024-07-02 Daniel Pablos , Sergio Sanjurjo

Modifications of jet-like azimuthal correlations have revealed novel properties of the medium created in relativistic heavy-ion collisions. Experimental results on jet-like 2- and 3-particle correlations, specificly "punch-through" at high…

Nuclear Experiment · Physics 2008-11-26 Fuqiang Wang

We present a framework that describes the energy distribution of subjets of radius $r$ within a jet of radius $R$. We consider both an inclusive sample of subjets as well as subjets centered around a predetermined axis, from which the jet…

High Energy Physics - Phenomenology · Physics 2017-07-25 Zhong-Bo Kang , Felix Ringer , Wouter J. Waalewijn

Azimuthal anisotropies of high-$p_T$ particles produced in heavy-ion collisions are understood as an effect of a geometrical selection bias. Particles oriented in the direction in which the QCD medium formed in these collisions is shorter,…

High Energy Physics - Phenomenology · Physics 2025-03-25 Yacine Mehtar-Tani , Daniel Pablos , Konrad Tywoniuk

Hard-scattered partons provide an ideal probe for the study of the Quark-Gluon Plasma because they are produced prior to the formation of the QCD medium in heavy-ion collisions. Jet production is therefore susceptible to modifications…

Nuclear Experiment · Physics 2019-08-13 Salvatore Aiola

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

The ALICE Collaboration reports the measurement of semi-inclusive distributions of charged-particle jets recoiling from a high-transverse momentum trigger hadron in p-Pb collisions at $\sqrt{s_{\rm NN}} =5.02$ TeV. Jets are reconstructed…

Nuclear Experiment · Physics 2019-01-18 ALICE Collaboration

The nature of a jet's fragmentation in heavy-ion collisions has the potential to cast light on the mechanism of jet quenching. However the presence of the huge underlying event complicates the reconstruction of the jet fragmentation…

High Energy Physics - Phenomenology · Physics 2015-06-11 Matteo Cacciari , Paloma Quiroga-Arias , Gavin P. Salam , Gregory Soyez

While strong attenuation of single particle production and particle correlations has provided convincing evidence for large parton energy loss in the QGP, its application to jet tomography has inherent limitations due to the inclusive…

High Energy Physics - Phenomenology · Physics 2009-11-18 Ben-Wei Zhang

Subtraction of the large background in reconstruction is a key ingredient in jet studies in high-energy heavy-ion collisions at RHIC and the LHC. Here we address the question to which extent the most commonly used subtraction techniques are…

High Energy Physics - Phenomenology · Physics 2015-06-12 Liliana Apolinário , Néstor Armesto , Leticia Cunqueiro

Jet quenching in heavy ion collisions and in particular the sub-structure of quenched jets are promising tools for investigating the microscopic processes underlying jet quenching and the background medium's response to energy and momentum…

High Energy Physics - Phenomenology · Physics 2022-11-23 Korinna Zapp

Diffusion wake is an unambiguous part of the jet-induced medium response in high-energy heavy-ion collisions that leads to a depletion of soft hadrons in the opposite direction of the jet propagation. New experimental data on $Z$-hadron…

High Energy Physics - Phenomenology · Physics 2022-03-22 Zhong Yang , Wei Chen , Yayun He , Weiyao Ke , Longgang Pang , Xin-Nian Wang

Over the past decade, a large number of jet substructure observables have been proposed in the literature, and explored at the LHC experiments. Such observables attempt to utilize the internal structure of jets in order to distinguish those…

Energetic quarks and gluons traversing a hot and dense quark-gluon plasma deposit energy and momentum into the medium before hadronizing to collimated sprays of particles, known as jets. This energy-momentum deposition is expected to…

Nuclear Experiment · Physics 2026-03-03 CMS Collaboration

Groomed jet substructure measurements, the momentum splitting fraction $z_g$ and the groomed jet radius $R_g$, of inclusive, D$^0$-tagged and B$^0$-tagged jets in $pp$ and central PbPb collisions at $\sqrt{s}=5.02$ TeV are predicted and…

Nuclear Theory · Physics 2023-03-16 Qing Zhang , Zi-Xuan Xu , Wei Dai , Ben-Wei Zhang , Enke Wang

Understanding the inner working of the quark-gluon plasma requires complete and precise jet substructure studies in heavy ion collisions. In this proceeding we discuss the use of quark and gluon jets as independent probes, and how their…

High Energy Physics - Phenomenology · Physics 2019-02-20 Yang-Ting Chien

In this paper we investigate the medium modifications of girth distributions for inclusive jets and $Z^0$ tagged jets with small radius ($R=0.2$) in Pb+Pb collisions with $\sqrt{s}=2.76$ TeV at the LHC. The partonic spectrum in the initial…

High Energy Physics - Phenomenology · Physics 2021-05-14 Jun Yan , Shi-Yong Chen , Wei Dai , Ben-Wei Zhang , Enke Wang

We study the medium response to jet evolution in the quark-gluon plasma within the JETSCAPE framework. Recoil partons' medium response in the weakly coupled description is implemented in the multi-stage jet energy-loss model in the…

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