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Energy-energy-correlators (EEC's) are a promising observable to study the dynamics of jet evolution in the quark-gluon plasma (QGP) through its imprint on angular scales in the energy flux of final-state particles. We carry out the first…

High Energy Physics - Phenomenology · Physics 2024-04-03 Zhong Yang , Yayun He , Ian Moult , Xin-Nian Wang

Energy-energy correlators (EECs) within high energy jets serve as a key experimentally accessible quantity to probe the scale and structure of the quark-gluon plasma (QGP) in relativistic heavy-ion collisions. The CMS Collaboration's first…

High Energy Physics - Phenomenology · Physics 2025-03-12 Liliana Apolinário , Raghav Kunnawalkam Elayavalli , Nuno Olavo Madureira , Jun-Xing Sheng , Xin-Nian Wang , Zhong Yang

The two-point energy-energy correlator (EEC) is a novel jet substructure observable probing the correlation of energy flow within jets. In these proceedings, three EEC measurements performed by the ALICE Collaboration are reported. First is…

Nuclear Experiment · Physics 2025-10-21 Anjali Nambrath

The energy-energy correlator (EEC) inside jets is a sensitive observable for studying jet modification in the quark-gluon plasma (QGP). However, its interpretation in heavy-ion collisions remains challenging, requiring a consistent…

High Energy Physics - Phenomenology · Physics 2026-05-29 Zhong Yang , Raghav Kunnawalkam Elayavalli , Xin-Nian Wang

We present a systematic investigation of flavor-dependent jet quenching using energy-energy correlators (EEC) in $\sqrt{\rm s}=5.02$ TeV Pb+Pb collisions. Employing the improved SHELL model, which incorporates collisional and radiative…

Nuclear Theory · Physics 2025-06-23 Shi-Yong Chen , Zi-Xuan Xu , Ke-Ming Shen , Wei Dai , Ben-Wei Zhang , En-Ke Wang

Energy-energy correlators (EECs) provide a sensitive probe of both perturbative and nonperturbative dynamics in relativistic heavy-ion collisions. Jet-medium interactions enhance particle multiplicity within the jet cone, which must be…

Nuclear Theory · Physics 2026-05-12 Rushil Saraswat , Aditya Prasad Dash , Huan Zhong Huang , Gang Wang , Xin-Nian Wang , Zhong Yang

Jet substructure is a powerful tool to probe the time evolution of a parton shower. However, many of the analysis methods used to extract splitting formation times from jet substructure, such as Soft Drop grooming and the Lund plane, focus…

High Energy Physics - Experiment · Physics 2023-09-13 Andrew Tamis

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 study particle correlations in high energy jets by comparing the measured energy-energy correlator (EEC) with that constructed from two individual energy flows with respect to the jet axis. This comparison demonstrates that genuine…

High Energy Physics - Phenomenology · Physics 2025-07-28 Wenbin Zhao , Volker Koch , Feng Yuan

We present a study of medium-induced modifications to the energy-energy correlator (EEC) for jets in cold nuclear matter. For electron-nucleus collisions, at leading order in the QCD coupling and in the jet-medium interaction, we derive an…

High Energy Physics - Phenomenology · Physics 2025-10-13 Yu Fu , Berndt Müller , Chathuranga Sirimanna

The ability to measure detailed aspects of the substructure of high-energy jets traversing the quark-gluon plasma (QGP) has provided a new window into its internal dynamics. However, drawing robust conclusions from traditional jet…

High Energy Physics - Phenomenology · Physics 2023-09-08 Carlota Andres , Fabio Dominguez , Jack Holguin , Cyrille Marquet , Ian Moult

In this study, energy-energy correlator (EEC) distributions for the $\rm D^0$, $\rm B^0$-tagged, inclusive, and the PYTHIA generated pure quark jets are computed in pp, p+Pb, and Pb+Pb collisions at \sqrts =5.02 TeV for a same jet…

High Energy Physics - Phenomenology · Physics 2024-10-08 Ke-Ming Shen , Shi-Yong Chen , Yu-Jie Huang , Wei Dai , Ben-Wei Zhang

Jets provide us with ideal probes of the quark-gluon plasma (QGP) produced in heavy-ion collisions, since its dynamics at its different scales is imprinted into the multi-scale substructure of the final state jets. We present a new approach…

High Energy Physics - Phenomenology · Physics 2023-07-11 Carlota Andres , Fabio Dominguez , Raghav Kunnawalkam Elayavalli , Jack Holguin , Cyrille Marquet , Ian Moult

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

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

Energy correlators have recently attracted significant attention in the study of heavy ion collisions due to their potential to robustly connect experimental measurements with an underlying quantum field theoretic description. While…

High Energy Physics - Phenomenology · Physics 2025-03-19 João Barata , Ian Moult , Andrey V. Sadofyev , João M. Silva

Quark-gluon plasma (QGP), when viewed at length scales of order the inverse of its temperature, behaves as a strongly-coupled liquid. However, when it is probed with sufficiently high momentum transfer, asymptotic freedom mandates the…

High Energy Physics - Phenomenology · Physics 2025-09-11 Hannah Bossi , Arjun Kudinoor , Ian Moult , Daniel Pablos , Ananya Rai , Krishna Rajagopal

In recent years, there has been an effort towards establishing a more complete picture for jet substructure in the presence of the quark gluon plasma. Such a program requires not only a more detailed description of medium induced effects,…

High Energy Physics - Phenomenology · Physics 2023-07-19 João Barata , Yacine Mehtar-Tani

We present a jet-free approach for measuring energy-energy correlators (EEC) in proton-proton (pp) collisions at the Large Hadron Collider (LHC), employing an event-topology method that does not rely on explicit jet reconstruction. Using…

High Energy Physics - Phenomenology · Physics 2026-02-04 Yazhen Lin , Liang Zheng , Zhongbao Yin

Energy correlators have recently been proposed as a class of jet substructure observables that directly link experimental measurements of the asymptotic energy flux with the field theoretic description of the underlying microscopic…

High Energy Physics - Phenomenology · Physics 2024-09-18 Carlota Andres , Fabio Dominguez , Jack Holguin , Cyrille Marquet , Ian Moult
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