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We develop further an approach to computing energy-energy correlations (EEC) directly from finite correlation functions. In this way, one completely avoids infrared divergences. In maximally supersymmetric Yang-Mills theory ($\mathcal{N}=4$…

High Energy Physics - Theory · Physics 2019-09-04 Johannes M. Henn , Emery Sokatchev , Kai Yan , Alexander Zhiboedov

An analytic formula is given for the three-point energy correlator (EEEC) at leading order (LO) in maximally supersymmetric Yang-Mills theory ($\mathcal{N}=4$ sYM). This is the first analytic calculation of a three-parameter event shape…

High Energy Physics - Theory · Physics 2024-01-18 Kai Yan , Xiaoyuan Zhang

We present a compact formula, expressed in terms of classical polylogarithms up to weight three, for the leading order four-point energy correlator in maximally supersymmetric Yang-Mills theory, in the limit where the four detectors are…

High Energy Physics - Theory · Physics 2024-01-15 Dmitry Chicherin , Ian Moult , Emery Sokatchev , Kai Yan , Yunyue Zhu

Energy Correlators measure the energy deposited in multiple detectors as a function of the angles between the detectors. In this paper, we analytically compute the three particle correlator in the collinear limit in QCD for quark and gluon…

High Energy Physics - Phenomenology · Physics 2020-11-10 Hao Chen , Ming-Xing Luo , Ian Moult , Tong-Zhi Yang , Xiaoyuan Zhang , Hua Xing Zhu

The energy-energy correlation (EEC) measures the angular distribution of the energy that flows through two calorimeters separated by some relative angle in the final state created by a source. We study this observable in the limit of small…

High Energy Physics - Theory · Physics 2020-01-29 G. P. Korchemsky

Energy-energy correlators (EECs) provide a powerful tool to study the evolution of scattered partons into final-state hadrons. In these proceedings, a variety of energy correlator measurements performed by the ALICE collaboration are…

Nuclear Experiment · Physics 2025-07-01 Beatrice Liang-Gilman

The leading order $N$-point energy correlators of maximally supersymmetric Yang-Mills theory in the limit where the $N$ detectors are collinear can be expressed as an integral of the $1\to N$ splitting function, which is given by the…

High Energy Physics - Theory · Physics 2024-08-09 Song He , Xuhang Jiang , Qinglin Yang , Yao-Qi Zhang

In this paper, we present a framework for the analytic bootstrap of three-point energy correlators, a crucial observable in $\mathcal{N}=4$ super Yang-Mills theory and quantum chromodynamics (QCD). Our approach combines spherical contour…

High Energy Physics - Phenomenology · Physics 2025-09-30 Jianyu Gong , Andrzej Pokraka , Kai Yan , Xiaoyuan Zhang

We explore the Mellin space representation for the collinear limit of $N$-point energy correlators in ${\cal N}=4$ super-Yang-Mills theory. We show that these correlators can be written as integro-differential operators acting on star…

High Energy Physics - Theory · Physics 2026-04-02 Anastasia Volovich , Di Wu , Kai Yan

We present a new approach to computing energy-energy correlations in gauge theories that exploits their relation to correlation functions and bypasses the use of scattering amplitudes. We illustrate its power by calculating energy-energy…

High Energy Physics - Theory · Physics 2014-02-26 A. V. Belitsky , S. Hohenegger , G. P. Korchemsky , E. Sokatchev , A. Zhiboedov

The energy-energy correlator (EEC) is an event shape observable which probes the angular correlations of energy depositions in detectors at high energy collider facilities. It has been investigated extensively in the context of precision…

High Energy Physics - Phenomenology · Physics 2021-05-19 Hai Tao Li , Yiannis Makris , Ivan Vitev

Correlations in the distribution of energy produced in collider experiments provide a snapshot of the microscopic dynamics of QCD, and its evolution from asymptotically free quarks and gluons, to confined hadrons. There has recently been…

High Energy Physics - Phenomenology · Physics 2025-12-16 Max Jaarsma , Yibei Li , Ian Moult , Wouter J. Waalewijn , Hua Xing Zhu

Energy-energy correlator (EEC) is an event shape observable that characterizes the distribution of energy flux in collision events. We initiate the study of full-range EEC at hadron colliders, generalizing the extensively studied EEC in…

High Energy Physics - Phenomenology · Physics 2025-07-29 Hao Chen , Hongyi Ruan , Hua Xing Zhu

The energy-energy-correlator (EEC) observable in $e^+e^-$ annihilation measures the energy deposited in two detectors as a function of the angle between the detectors. The collinear limit, where the angle between the two detectors…

High Energy Physics - Phenomenology · Physics 2019-07-17 Lance J. Dixon , Ian Moult , Hua Xing Zhu

We perform a systematic study of integrated four-point functions of half-BPS operators in four-dimensional $\mathcal{N}=4$ super Yang-Mills theory with gauge group $SU(N)$. These observables, defined by a certain spacetime integral of…

High Energy Physics - Theory · Physics 2023-02-15 Hynek Paul , Eric Perlmutter , Himanshu Raj

We study the three-point energy correlator (EEEC), defined as a matrix element of a product of three energy detectors at different locations on the celestial sphere. Lorentz symmetry implies that the EEEC can be decomposed into special…

High Energy Physics - Theory · Physics 2023-03-22 Cyuan-Han Chang , David Simmons-Duffin

We compute the integrands of five-, six-, and seven-point correlation functions of twenty-prime operators with general polarizations at the two-loop order in N=4 super Yang-Mills theory. In addition, we compute the integrand of the…

High Energy Physics - Theory · Physics 2023-08-02 Till Bargheer , Thiago Fleury , Vasco Gonçalves

The energy correlator measures the energy deposited in multiple detectors as a function of the angles among them. In this paper, an analytic formula is given for the three-point energy correlator with full angle dependence at leading order…

High Energy Physics - Phenomenology · Physics 2022-10-06 Tong-Zhi Yang , Xiaoyuan Zhang

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 study Energy Correlators as probes of strongly-coupled nearly-conformal field theories within their holographically dual descriptions, focusing on the important features that appear in realistic theories going beyond the standard model.…

High Energy Physics - Theory · Physics 2026-01-16 Lorenzo Ricci , Raman Sundrum
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