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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

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

In cross sections with angular cuts, an intricate pattern of enhanced higher-order corrections known as non-global logarithms arises. The leading logarithmic terms were computed numerically two decades ago, but the resummation of subleading…

High Energy Physics - Phenomenology · Physics 2024-03-21 Thomas Becher , Nicolas Schalch , Xiaofeng Xu

We present the computation of energy-energy correlation in $e^+e^-$ collisions in the back-to-back region at next-to-next-to-leading logarithmic accuracy matched with the next-to-next-to-leading order perturbative prediction. We study the…

High Energy Physics - Phenomenology · Physics 2017-12-06 Zoltán Tulipánt , Adam Kardos , Gábor Somogyi

We extend the ARES method for next-to-next-to-leading-logarithmic (NNLL) QCD resummations to three-jet event shapes in $e^+ e^-$ collisions in the near-to-planar limit. In particular, we define a NNLL radiator for three hard emitters, and…

High Energy Physics - Phenomenology · Physics 2020-08-26 Luke Arpino , Andrea Banfi , Basem Kamal El-Menoufi

Jet energy calibration is an important aspect of many measurements and searches at the LHC. Currently, these calibrations are performed on a per-jet basis, i.e. agnostic to the properties of other jets in the same event. In this work, we…

High Energy Physics - Phenomenology · Physics 2024-02-23 Rikab Gambhir , Benjamin Nachman

We present the first determination of the strong coupling constant from the three-jet rate in e+e- annihilation at LEP, based on a next-to-next-to-leading order (NNLO) perturbative QCD prediction. More precisely, we extract alpha_s by…

High Energy Physics - Phenomenology · Physics 2010-04-06 G. Dissertori , A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , G. Heinrich , H. Stenzel

We present the analytic formula for the Energy-Energy Correlation (EEC) in electron-positron annihilation computed in perturbative QCD to next-to-next-to-next-to-leading order (N$^3$LO) in the back-to-back limit. In particular, we consider…

High Energy Physics - Phenomenology · Physics 2021-09-01 Markus A. Ebert , Bernhard Mistlberger , Gherardo Vita

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

We show how the resummation of large logarithms can be incorporated into the method of effective charges. As an example, we apply this approach to the event shape variables thrust and heavy jet mass in e+e- annihilation. We find that,…

High Energy Physics - Phenomenology · Physics 2010-04-05 M. J. Dinsdale , C. J. Maxwell

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

We show how generalized energy correlation functions can be used as a powerful probe of jet substructure. These correlation functions are based on the energies and pair-wise angles of particles within a jet, with (N+1)-point correlators…

High Energy Physics - Phenomenology · Physics 2015-06-15 Andrew J. Larkoski , Gavin P. Salam , Jesse Thaler

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

We compute the resummed on-shell $W^+ W^-$ production cross section under a jet-veto at the LHC to partial N$^3$LL order matched to the fixed order NNLO result. Differential NNLO cross sections are obtained from an implementation of $q_T$…

High Energy Physics - Phenomenology · Physics 2016-12-20 S. Dawson , P. Jaiswal , Ye Li , H. Ramani , Mao Zeng

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 comparison of the computation of energy-energy correlation in $e^{+}e^{-}$ collisions in the back-to-back region at next-to-next-to-leading logarithmic accuracy matched with the next-to-next-to-leading order perturbative…

High Energy Physics - Phenomenology · Physics 2018-08-01 Adam Kardos , Stefan Kluth , Gabor Somogyi , Zoltan Tulipant , Andrii Verbytskyi

The energy loss mechanism of jets plays a central role in nuclear and high energy physics. We propose direct measurements of the energy loss of leading jets and perform a calculation at next-to-leading logarithmic (NLL$'$) accuracy in the…

High Energy Physics - Phenomenology · Physics 2020-08-24 Duff Neill , Felix Ringer , Nobuo Sato

The process e+ e- -> 3 jets offers the opportunity to measure the strong coupling constant. For an accurate determination, precise theoretical calculations are necessary. I will give an overview on the status of the next-to-next-to-leading…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefan Weinzierl

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

Energy correlators have recently come to the forefront of jet substructure studies at colliders due to their remarkable properties: they naturally separate physics at different scales, are robust to contamination from soft radiation, and…

High Energy Physics - Phenomenology · Physics 2025-06-12 Samuel Alipour-fard , Ankita Budhraja , Jesse Thaler , Wouter J. Waalewijn