English
Related papers

Related papers: Energy-energy correlation in electron-positron ann…

200 papers

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

We consider the Energy-Energy Correlation (EEC) function in high-energy electron-positron annihilation to hadrons. In the back-to-back (two-jet) region, we perform the all-order resummation of the logarithmically-enhanced contributions in…

High Energy Physics - Phenomenology · Physics 2024-12-04 Ugo Giuseppe Aglietti , Giancarlo Ferrera

We consider the back-to-back region in the energy--energy correlation in e^+e^- collisions. We present the explicit expression of the O(as^2) logarithmically enhanced contributions up to next-to-next-to-leading logarithmic accuracy. We…

High Energy Physics - Phenomenology · Physics 2010-04-05 D. de Florian , M. Grazzini

The energy-energy correlation (EEC) between two detectors in $e^+e^-$ annihilation was computed analytically at leading order in QCD almost 40 years ago, and numerically at next-to-leading order (NLO) starting in the 1980s. We present the…

High Energy Physics - Phenomenology · Physics 2018-03-14 Lance J. Dixon , Ming-xing Luo , Vladyslav Shtabovenko , Tong-Zhi Yang , Hua Xing Zhu

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

The O(alpha_s^2) contribution to the Energy-Energy Correlation function (EEC) of e+e- -> hadrons is calculated to high precision and the results are shown to be larger than previously reported. The consistency with the leading logarithm…

High Energy Physics - Phenomenology · Physics 2016-08-24 Keith A. Clay , Stephen D. Ellis

We present a comprehensive global analysis of Energy-Energy Correlation (EEC) data in electron-positron annihilation into hadrons, spanning a wide range of center-of-mass energies ($7.7\,\,\text{GeV}\!\leq\!\sqrt{s}\!\leq\!…

High Energy Physics - Phenomenology · Physics 2026-03-20 Ugo Giuseppe Aglietti , Giancarlo Ferrera , Lorenzo Rossi

We present the first fully analytic calculation of the Quantum Chromodynamics (QCD) event shape observable Energy-Energy Correlation in electron-positron annihilation at Next-To-Leading Order (NLO). This result sheds light on the analytic…

High Energy Physics - Phenomenology · Physics 2018-07-20 Lance J. Dixon , Ming-xing Luo , Vladyslav Shtabovenko , Tong-Zhi Yang , Hua Xing Zhu

In this paper the nuclear configurational entropy of the energy--energy correlation function is scrutinized, in $e^+e^-$ collisions to hadrons in the back-to-back region, within the QCD perturbative theory. The critical points of the…

High Energy Physics - Phenomenology · Physics 2019-05-22 G. Karapetyan

We critically examine the back-to-back limit of the energy-energy correlation (EEC) in $e^+e^-$ annihilation as a potential source of information on the Collins-Soper kernel and the strong coupling constant. The analysis is performed within…

High Energy Physics - Phenomenology · Physics 2025-07-24 Alejandro Bris Cuerpo , Ignazio Scimemi , Alexey Vladimirov

We study the matching of the next-to-leading logarithmic approximation (NLLA) onto the fixed next-to-next-to-leading order (NNLO) calculation for event shape distributions in electron-positron annihilation. The resulting theoretical…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Gehrmann , G. Luisoni , H. Stenzel

We report work on the matching of the next-to-leading logarithmic approximation (NLLA) onto the fixed next-to-next-to-leading order (NNLO) calculation for event shape variables in electron-positron annihilation. The correction of the…

High Energy Physics - Phenomenology · Physics 2008-10-21 T. Gehrmann , G. Luisoni , H. Stenzel

In this work we complete the investigation of the recently introduced energy-energy correlation (EEC) function in hadronic Higgs decays at next-to-leading order (NLO) in fixed-order perturbation theory in the limit of vanishing light quark…

High Energy Physics - Phenomenology · Physics 2021-03-02 Jun Gao , Vladyslav Shtabovenko , Tong-Zhi Yang

The ${\cal O}(\alpha_s^2)$ coefficient of the energy-energy correlation function (EEC) has been calculated by four groups with differing results. This discrepancy has lead to some confusion over how to measure the strong coupling constant…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. W. N. Glover , M. R. Sutton

We compute the next-to-next-to-leading order (NNLO) QCD corrections to the six most important event shape variables related to three-particle final states in electron-positron annihilation. The corrections are sizeable for all variables,…

High Energy Physics - Phenomenology · Physics 2009-02-02 A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , G. Heinrich

In this talk we report work on the matching of the next-to-leading logarithmic approximation (NLLA) onto the fixed next-to-next-to-leading order (NNLO) calculations for event shape distributions in electron-positron annihilation.…

High Energy Physics - Phenomenology · Physics 2009-01-27 G. Luisoni

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 energy-energy correlation (EEC) function in $e^+e^-$ annihilation is currently the only QCD event shape observable for which we know the full analytic result at the next-to-leading order (NLO). In this work we calculate the EEC…

High Energy Physics - Phenomenology · Physics 2019-06-17 Ming-xing Luo , Vladyslav Shtabovenko , Tong-Zhi Yang , Hua Xing Zhu

We compute the transverse energy-energy correlation (EEC) and its asymmetry (AEEC) in next-to-leading order (NLO) in $\alpha_s$ in proton-proton collisions at the LHC with the center-of-mass energy $E_{\rm c.m.}=7$ TeV. We show that the…

High Energy Physics - Phenomenology · Physics 2015-06-05 Ahmed Ali , Fernando Barreiro , Javier Llorente , Wei Wang

The nucleon energy-energy correlator (NEEC) was proposed in 2209.02080 as a new way of studying nucleon intrinsic dynamics. In this work, we present a detailed derivation of the factorization theorem that enables the measurement of the…

High Energy Physics - Phenomenology · Physics 2023-03-06 Haotian Cao , Xiaohui Liu , Hua Xing Zhu
‹ Prev 1 2 3 10 Next ›