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  • Open Access

Dihadron Fragmentation and the Confinement Transition in Energy Correlators

Kyle Lee* and Iain W. Stewart†

  • *Contact author: kylel@mit.edu
  • †Contact author: iains@mit.edu
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Phys. Rev. Lett. 136, 081902 – Published 23 February, 2026

DOI: https://doi.org/10.1103/m18j-xypt

Abstract

In this Letter, we relate the factorization for e+e−→h1h2X to the factorization for energy-energy correlators in the collinear limit. This enables us to give a nonperturbative proof of factorization for the energy correlators, relate the energy correlator jet function to transverse-momentum-sensitive dihadron fragmentation functions, and provide a rigorous description of the confinement transition region.

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Physics Subject Headings (PhySH)

See Also

Quantum Scaling in Energy Correlators beyond the Confinement Transition

Cyuan-Han Chang, Hao Chen, Xiaohui Liu, David Simmons-Duffin, Feng Yuan, and Hua Xing Zhu
Phys. Rev. Lett. 136, 081903 (2026)

Factorization and Resummation for the Near-Side Energy-Energy Correlators

Yuxun Guo, Feng Yuan, and Wenbin Zhao
Phys. Rev. Lett. 136, 081904 (2026)

Dihadron Fragmentation Framework for Near-Side Energy-Energy Correlators

Zhong-Bo Kang, Andreas Metz, Daniel Pitonyak, and Congyue Zhang
Phys. Rev. Lett. 136, 081905 (2026)

Article Text

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Outline

Information

Phys. Rev. Lett. 136, 081902– Published 23 February, 2026
  • Received 20 July 2025
  • Accepted 28 October 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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