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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

Recently, energy-energy correlators (EECs) have garnered renewed interest for studying hadronic collisions at the Large Hadron Collider (LHC) and the Relativistic Heavy Ion Collider (RHIC). EEC measurements within jets provide a clear scale…

High Energy Physics - Experiment · Physics 2025-01-10 Hannah Bossi , Austin Baty , Yi Chen , Yu-Chen Chen , Gian-Michele Innocenti , Marcello Maggi , Chris McGinn , Yen-Jie Lee

Energy correlators characterize the asymptotic energy flow in scattering events produced at colliders, from which the microscopic physics of the scattering can be deduced. This view of collisions is akin to analyses of the Cosmic Microwave…

High Energy Physics - Phenomenology · Physics 2025-01-23 Ankita Budhraja , Wouter J. Waalewijn

Energy correlators are a type of observables that measure how energy is distributed across multiple detectors as a function of the angles between pairs of detectors. In this paper, we study the three-point energy correlator (EEEC) at lepton…

High Energy Physics - Phenomenology · Physics 2024-11-15 Anjie Gao , Tong-Zhi Yang , Xiaoyuan Zhang

Energy correlators are theoretically simple and physically intuitive observables that bridge experimental and theoretical particle physics. They have for example enabled the most precise jet substructure determination of the strong coupling…

High Energy Physics - Phenomenology · Physics 2025-10-09 Samuel Alipour-fard , Wouter J. Waalewijn

Energy correlators are field-theoretically clean and phenomenologically valuable probes of QCD dynamics. We explore the possibility of using the information encoded in the energy correlators of a hadronically decaying electroweak vector…

High Energy Physics - Phenomenology · Physics 2022-12-28 Lorenzo Ricci , Marc Riembau

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

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 investigate the energy-energy correlator (EEC) of hadrons produced on the same side in $e^+e^-$ annihilation or in leading jets in $pp$ collisions. We observe a remarkable universality of the correlator. Using a non-perturbative…

High Energy Physics - Phenomenology · Physics 2024-10-29 Xiaohui Liu , Werner Vogelsang , Feng Yuan , Hua Xing Zhu

We investigate the transverse energy-energy correlators (TEEC) in the small-$x$ regime at the upcoming Electron-Ion Collider (EIC). Focusing on the back-to-back production of electron-hadron pairs in both $ep$ and $eA$ collisions, we…

High Energy Physics - Phenomenology · Physics 2024-06-06 Zhong-Bo Kang , Jani Penttala , Fanyi Zhao , Yiyu Zhou

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

Electron-positron ($e^+e^-$) collisions provide a clean environment for precision tests of Quantum Chromodynamics (QCD) due to the absence of hadronic initial-state effects. We present a novel analysis of archived ALEPH data from the Large…

High Energy Physics - Experiment · Physics 2025-05-20 Hannah Bossi , Yu-Chen Chen , Yi Chen , Jingyu Zhang , Gian Michele Innocenti , Anthony Badea , Austin Baty , Marcello Maggi , Chris McGinn , Yen-Jie Lee

The sensitivity of calorimetric energy-energy correlation function to the medium-induced energy loss of fast partons in high multiplicity heavy ion interactions is demonstrated at the appropriate selection of events for the analysis,…

High Energy Physics - Phenomenology · Physics 2015-12-30 I. P. Lokhtin , L. I. Sarycheva , A. M. Snigirev

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

In this work, we introduce a new jet observable, the one-point energy correlators (EC), designed to characterize the in-jet energy flow distribution by measuring energy deposition at a specific angle relative to the jet axis. Building upon…

High Energy Physics - Phenomenology · Physics 2025-07-31 Zihao Mi , Zhan Wang

Energy correlators that describe energy-weighted distances between two or three particles in a jet are measured using an event sample of $\sqrt{s}$ = 13 TeV proton-proton collisions collected by the CMS experiment and corresponding to an…

High Energy Physics - Experiment · Physics 2024-08-19 CMS Collaboration

We report the first measurement of one- and two-point energy correlators within jets in transversely polarized proton-proton collisions at $\sqrt{s}=200$ GeV, using the STAR detector at RHIC. These observables quantify the energy-weighted…

High Energy Physics - Experiment · Physics 2026-04-21 The STAR Collaboration

In recent years, energy correlators have emerged as a powerful tool for studying jet substructure, with promising applications such as probing the hadronization transition, analyzing the quark-gluon plasma, and improving the precision of…

High Energy Physics - Phenomenology · Physics 2025-01-07 Ankita Budhraja , Hao Chen , Wouter J. Waalewijn

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 correlators measured inside high-energy jets at hadron colliders have recently been demonstrated to provide a new window into both perturbative and non-perturbative Quantum Chromodynamics. A number of the most interesting features of…

High Energy Physics - Phenomenology · Physics 2023-08-01 Max Jaarsma , Yibei Li , Ian Moult , Wouter J. Waalewijn , Hua Xing Zhu