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Related papers: Modification of the Jet Energy-Energy Correlator i…

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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

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

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

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

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

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-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

In this Letter, we study the collinear limit of the Energy-Energy Correlator (EEC) in single-inclusive jet production in proton-proton ($pp$) and proton-nucleus ($pA$) collisions. We introduce a non-perturbative model that allows us to…

High Energy Physics - Phenomenology · Physics 2025-06-30 João Barata , Zhong-Bo Kang , Xoán Mayo López , Jani Penttala

This paper presents a fully-corrected measurement of the energy-energy correlator (EEC) within jets in pp collisions. The EEC traces the energy flow as a highly energetic parton undergoes a QCD shower followed by the confinement of partons…

High Energy Physics - Experiment · Physics 2024-11-01 ALICE Collaboration

The future electron-ion collider (EIC) will produce the first-ever high energy collisions between electrons and a wide range of nuclei, opening a new era in the study of cold nuclear matter. Quarks and gluons produced in these collisions…

High Energy Physics - Phenomenology · Physics 2025-10-03 Kyle Devereaux , Wenqing Fan , Weiyao Ke , Kyle Lee , Ian Moult

We investigate the collinear limit of the energy-energy correlator (EEC) in a heavy-ion context. First, we revisit the leading-logarithmic (LL) resummation of this observable in vacuum following a diagrammatic approach. We argue that this…

High Energy Physics - Phenomenology · Physics 2023-12-25 João Barata , Paul Caucal , Alba Soto-Ontoso , Robert Szafron

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

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

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

Heavy flavor jets provide ideal tools to probe the mass effect on jet substructure in both vacuum and quark-gluon plasma (QGP). Energy-energy correlator (EEC) is an excellent jet substructure observable owning to its strong sensitivity to…

High Energy Physics - Phenomenology · Physics 2024-09-20 Wen-Jing Xing , Shanshan Cao , Guang-You Qin , Xin-Nian Wang

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

Hard-scattered partons ejected from high-energy proton-proton collisions undergo parton shower and hadronization, resulting in collimated collections of particles that are clustered into jets. A substructure observable that highlights the…

High Energy Physics - Experiment · Physics 2025-02-25 The STAR Collaboration

We present a systematic study of medium-induced modifications in charge-dependent jet substructure using the charge-weighted Energy-Energy Correlators (EEC) in p+p and 0-10\% central Pb+Pb collisions at a center-of-mass energy of 5.02 TeV.…

Nuclear Theory · Physics 2025-11-18 Han-Yao Liu , Shi-Yong Chen , Wei Dai , Ben-Wei Zhang

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

We study the collinear limit of the energy-energy correlator (EEC) in $e^+e^-$ collisions, focusing on the transition from the perturbative QCD regime at relatively large angles to the non-perturbative region at small angles. To describe…

High Energy Physics - Phenomenology · Physics 2025-07-24 Enrico Herrmann , Zhong-Bo Kang , Jani Penttala , Congyue Zhang
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