Differential equations for energy correlators in any angle

A bstract Energy Correlators (EC) are the simplest IR finite observables, which connect theories and experiments. In this paper, we provide a systematic algorithm to calculate the canonical differential equations for energy correlators at a generic angle in ๐’ฉ = 4 super Yang-Mills theory. The integrand is obtained from the 5-point form factor square for scalar half-BPS operators. Applying the algorithm, we obtain the canonical basis for three-point EC and the full set of master integrals for four-point EC. We analyze the function space for the four-point case. For multiple polylogarithmic (MPLs) integrals, we calculate their symbols, and for integrals beyond MPLs, we make further investigation by Picard-Fuchs operators. We find two elliptic curves and one genus 2 hyperelliptic curve. The results are achieved by means of integration by parts (IBP) reduction and differential equations powered by computational algebraic geometry methods. We provide a package that implements the algorithm. The data is a valuable reference for exploring the structure of physical observables in perturbation theories.

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Publication Details

Journal
Journal of High Energy Physics
Published
2026-02-02
DOI
https://doi.org/10.1007/jhep02(2026)025
Primary Topic
Particle physics theoretical and experimental studies
Type
article
Field-Weighted Citation Impact
0.00

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article

Differential equations for energy correlators in any angle

Gang Yang, Jianyu Gong, Kai Yan, Rourou Ma et al.
Journal of High Energy Physics
Particle physics theoretical and experimental studies
article

Differential equations for energy correlators in any angle

Gang Yang, Jianyu Gong, Kai Yan, Rourou Ma, Jingwen Lin, Yang Zhang
article en

Abstract

A bstract Energy Correlators (EC) are the simplest IR finite observables, which connect theories and experiments. In this paper, we provide a systematic algorithm to calculate the canonical differential equations for energy correlators at a generic angle in ๐’ฉ = 4 super Yang-Mills theory. The integrand is obtained from the 5-point form factor square for scalar half-BPS operators. Applying the algorithm, we obtain the canonical basis for three-point EC and the full set of master integrals for four-point EC. We analyze the function space for the four-point case. For multiple polylogarithmic (MPLs) integrals, we calculate their symbols, and for integrals beyond MPLs, we make further investigation by Picard-Fuchs operators. We find two elliptic curves and one genus 2 hyperelliptic curve. The results are achieved by means of integration by parts (IBP) reduction and differential equations powered by computational algebraic geometry methods. We provide a package that implements the algorithm. The data is a valuable reference for exploring the structure of physical observables in perturbation theories.

Journal of High Energy PhysicsVol. 2026(2)
University of Science and Technology of China (CN), Shanghai Jiao Tong University (CN), Chinese Academy of Sciences (CN), Peking University (CN), Max Planck Institute for Physics (DE), Peng Huanwu Center for Fundamental Theory (CN), University College of Applied Science (PS)
National Science Foundation, National Natural Science Foundation of China, University of Science and Technology of China
Affordable and clean energy
Openalex Percentile: Top 65%
Particle physics theoretical and experimental studies
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Differential equations for energy correlators in any angle โ€” Gang Yang, Jianyu Gong, et al. ยท Journal of High Energy Physics (2026) | TGRS Research Map | TGRS