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Whether quark- and gluon-initiated jets are modified differently by the quark-gluon plasma produced in heavy-ion collisions is a long-standing question that has thus far eluded a definitive experimental answer. A crucial complication for…

High Energy Physics - Phenomenology · Physics 2021-03-03 Jasmine Brewer , Jesse Thaler , Andrew P. Turner

The study of standard QCD jets produced along with fat jets, which may appear as a result of the decay of a heavy particle, has become an essential part of collider studies. Current jet clustering algorithms, which use a fixed radius…

High Energy Physics - Phenomenology · Physics 2023-04-26 Biswarup Mukhopadhyaya , Tousik Samui , Ritesh K. Singh

Quark and gluon jets traversing through a quark-gluon plasma not only lose their energies but also can undergo flavor conversions. The conversion rates via the elastic $q(\bar q)g\to gq(\bar q)$ and the inelastic $q\bar q\leftrightarrow gg$…

Nuclear Theory · Physics 2008-11-26 W. Liu , C. M. Ko , B. W. Zhang

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 confront a hybrid strong/weak coupling model for jet quenching to data from LHC heavy ion collisions. The model combines the perturbative QCD physics at high momentum transfer and the strongly coupled dynamics of non- abelian gauge…

High Energy Physics - Phenomenology · Physics 2015-11-26 Jorge Casalderrey-Solana , Doga Can Gulhan , Jose Guilherme Milhano , Daniel Pablos , Krishna Rajagopal

Heavy quarks created in heavy-ion collisions serve as an excellent probe of the produced quark-gluon plasma (QGP). The radiation pattern of jets formed from heavy quarks as they traverse the QGP exhibits a particularly interesting structure…

High Energy Physics - Phenomenology · Physics 2024-09-04 Carlota Andres , Fabio Dominguez , Jack Holguin , Cyrille Marquet , Ian Moult

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

Back-to-back light and heavy flavor dijet measurements are promising experimental channels to accurately study the physics of jet production and propagation in a dense QCD medium. They can provide new insights into the path length, color…

High Energy Physics - Phenomenology · Physics 2019-02-22 Zhong-Bo Kang , Jared Reiten , Ivan Vitev , Boram Yoon

Jet quenching has been one of the most important indicators that ultra-relativistic heavy-ion collisions produce a deconfined state of quarks and gluons, known as the Quark-Gluon Plasma. While the quenching of jets traditionally refers to…

Nuclear Experiment · Physics 2023-01-04 Jaime Norman

This thesis focuses on how jets are modified by the nonequilibrium quark-gluon plasma during the initial stages in heavy-ion collisions. Its influence on their propagation is typically encoded in a single medium function, the dipole cross…

High Energy Physics - Phenomenology · Physics 2025-12-30 Florian Lindenbauer

We compute medium corrections to the energy-energy correlator (EEC) for jets in electron-nucleus collisions at leading order in the QCD coupling and the interaction of the jet with the medium. We derive an analytical expression for the…

Nuclear Theory · Physics 2024-11-08 Yu Fu , Berndt Müller , Chathuranga Sirimanna

We apply weakly coupled QCD kinetic theory to investigate the thermalization of high-momentum on-shell partons (minijets) in a Quark-Gluon Plasma (QGP). Our approach incorporates isotropic hard thermal loop screening to model soft quark and…

High Energy Physics - Phenomenology · Physics 2026-05-15 Kirill Boguslavski , Florian Lindenbauer , Aleksas Mazeliauskas , Adam Takacs , Fabian Zhou

We present a method for studying the detection of jets in high energy hadronic collisions using multiplicity detector in forward rapidities. Such a study enhances the physics scope of multiplicity detectors at forward rapidities in LHC. At…

High Energy Physics - Experiment · Physics 2016-12-08 Ranbir Singh , Bedangadas Mohanty

Jets produced in nucleus-nucleus collisions at the LHC are expected to be strongly modified due to the interaction of the parton shower with the dense QCD matter. Here, we point out that jet quenching can leave signatures not only in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sebastian Sapeta , Urs Achim Wiedemann

Energy-energy correlators are constructed by averaging the number of charged particle pairs within jets, weighted by the product of their transverse momenta, as a function of the angular separation of the particles within a pair. They are…

Nuclear Experiment · Physics 2025-05-23 CMS Collaboration

$\gamma$-jet production is considered one of the best probes of the hot quark-gluon plasma in high-energy heavy-ion collisions since the direct $\gamma$ can be used to gauge the initial energy and momentum of the associated jet. This is…

High Energy Physics - Phenomenology · Physics 2018-06-20 Tan Luo , Shanshan Cao , Yayun He , Xin-Nian Wang

We study the fragmentation function of jets propagating through a dense quark-gluon plasma within perturbative QCD. Our results for its nuclear modification factor are in qualitative agreement with the experimental data in Pb+Pb collisions…

High Energy Physics - Phenomenology · Physics 2020-09-04 Paul Caucal , Edmond Iancu , Alfred H. Mueller , Gregory Soyez

Image-based jet analysis is built upon the jet image representation of jets that enables a direct connection between high energy physics and the fields of computer vision and deep learning. Through this connection, a wide array of new jet…

Data Analysis, Statistics and Probability · Physics 2020-12-21 Michael Kagan

Jet-quenching and photon production at high transverse momentum are studied at RHIC energies, together with the correlation between jets and photons. The energy loss of hard partons traversing the hot QGP is evaluated in the AMY formalism,…

High Energy Physics - Phenomenology · Physics 2009-11-18 G. -Y. Qin , C. Gale , S. Jeon , G. D. Moore , J. Ruppert

Within the framework of the generalized QCD factorization formalism, we perform the first global analysis of the jet transport coefficient ($\hat q$) for cold nuclear matter. The analysis takes into account the world data on transverse…

High Energy Physics - Phenomenology · Physics 2021-03-03 Peng Ru , Zhong-Bo Kang , Enke Wang , Hongxi Xing , Ben-Wei Zhang