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Related papers: Precision Thrust Cumulant Moments at N^3LL

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We give a factorization formula for the e+e- thrust distribution dsigma/dtau with tau=1-T based on soft-collinear effective theory. The result is applicable for all tau, i.e. in the peak, tail, and far-tail regions. The formula includes…

High Energy Physics - Phenomenology · Physics 2011-05-12 Riccardo Abbate , Michael Fickinger , Andre H. Hoang , Vicent Mateu , Iain W. Stewart

We update a previous N$^3$LL$^\prime$+${\cal O}(\alpha_s^3)$ determination of the strong coupling from a global fit to thrust data by including newly available perturbative ingredients, upgrading the renormalization scales to include a…

High Energy Physics - Phenomenology · Physics 2024-12-20 Miguel A. Benitez , Andre H. Hoang , Vicent Mateu , Iain W. Stewart , Gherardo Vita

We update and extend a previous N$^3$LL$^\prime$+${\cal O}(\alpha_s^3)$ strong coupling determination from thrust data. In particular, we carry out a fit with data fully restricted to the dijet region seeking to minimize the potential…

High Energy Physics - Phenomenology · Physics 2024-05-24 Miguel A. Benitez-Rathgeb , André H. Hoang , Vicent Mateu , Iain W. Stewart , Gherardo Vita

From soft-collinear effective theory one can derive a factorization formula for the e+e- thrust distribution dsigma/dtau with tau = 1-T that is applicable for all tau. The formula accommodates available O(alpha_s^3) fixed-order QCD results,…

High Energy Physics - Phenomenology · Physics 2010-05-04 Riccardo Abbate , Michael Fickinger , Andre Hoang , Vicent Mateu , Iain W. Stewart

The heavy jet mass distribution in e+e- collisions is computed to next-to-next-to-next-to leading logarithmic (NNNLL) and next-to-next-to leading fixed order accuracy (NNLO). The singular terms predicted from the resummed distribution are…

High Energy Physics - Phenomenology · Physics 2010-09-09 Yang-Ting Chien , Matthew D. Schwartz

We present a global fit for $\alpha_s(m_Z)$, analyzing the available C-parameter data measured at center-of-mass energies between $Q=35$ and $207$ GeV. The experimental data is compared to a N$^3$LL$^\prime$ + $\mathcal{O}(\alpha_s^3)$ +…

High Energy Physics - Phenomenology · Physics 2015-05-28 André H. Hoang , Daniel W. Kolodrubetz , Vicent Mateu , Iain W. Stewart

The Helium-3 (${}^3\mathrm{He}$) magnetic moment and Gamow-Teller (GT) matrix element in triton (${}^3\mathrm{H}$) $\beta$-decay are calculated in pionless effective field theory ($\mathrm{EFT}(/\!\!\!\pi)$) to next-to-leading order (NLO).…

Nuclear Theory · Physics 2026-05-20 Ha S. Nguyen , Jared Vanasse

The moments of the single inclusive momentum distribution of hadrons in QCD jets, are studied in the next-to-modified-leading-log approximation (NMLLA) including next-to-leading-order (NLO) corrections to the alpha_s strong coupling. The…

High Energy Physics - Phenomenology · Physics 2014-08-18 Redamy Perez-Ramos , David d'Enterria

Starting from a factorization theorem in Soft-Collinear Effective Theory, the thrust distribution in e+e- collisions is calculated including resummation of the next-to-next-to-next-to leading logarithms. This is a significant improvement…

High Energy Physics - Phenomenology · Physics 2009-01-06 Thomas Becher , Matthew D. Schwartz

A global fit for $\alpha_s(m_Z)$ is performed on available $e^+e^-$ data for the heavy jet mass distribution. The state-of-the-art theory prediction includes $\mathcal{O}(\alpha_s^3)$ fixed-order results, N$^3$LL$^\prime$ dijet resummation,…

High Energy Physics - Phenomenology · Physics 2026-05-05 Miguel A. Benitez , Arindam Bhattacharya , Andre H. Hoang , Vicent Mateu , Matthew D. Schwartz , Iain W. Stewart , Xiaoyuan Zhang

The QCD coupling alpha_s is determined from a combined analysis of experimental e+e- and e-p jet data confronted to theoretical predictions of the energy evolution of the parton-to-hadron fragmentation functions (FFs) moments…

High Energy Physics - Phenomenology · Physics 2015-06-23 Redamy Pérez-Ramos , David d'Enterria

Resummation and power-corrections play a crucial role in the phenomenology of event-shape variables like the thrust T. Previous investigations showed that the perturbative contribution to the average thrust is dominated by gluons of small…

High Energy Physics - Phenomenology · Physics 2009-10-31 Einan Gardi

We present state-of-the-art extractions of the strong coupling based on N$^3$LO+NNLL accurate predictions for the two-jet rate in the Durham clustering algorithm at $e^+e^-$ collisions, as well as a simultaneous fit of the two- and…

The QCD coupling $\alpha_s$ is extracted from the energy evolution of the first two moments (multiplicity and mean) of the parton-to-hadron fragmentation functions at low fractional hadron momentum $z$. Comparisons of the experimental…

High Energy Physics - Phenomenology · Physics 2015-05-20 David d'Enterria , and Redamy Pérez-Ramos

We present a determination of the strong coupling $\alpha_s(m_Z)$ from a global dataset including both fixed-target and collider data from deep-inelastic scattering and a variety of hadronic processes, with a simultaneous determination of…

We provide a unified description of efficiency correction and error estimation for moments of conserved quantifies in heavy-ion collisions. Moments and cumulants are expressed in terms of the factorial moments, which can be easily corrected…

Data Analysis, Statistics and Probability · Physics 2017-10-18 Xiaofeng Luo

We present a calculation of the thrust distribution in Higgs decays to quarks and gluons, $H\to b\bar{b}$, $H\to c\bar{c}$, and $H\to gg$, including the resummation of large logarithmic corrections that arise in the two-particle limit at…

High Energy Physics - Phenomenology · Physics 2025-10-14 Elliot Fox , Aude Gehrmann-De Ridder , Thomas Gehrmann , Nigel Glover , Matteo Marcoli , Christian T. Preuss

We present a determination of the strong coupling constant $\alpha_s(m_Z)$ based on the NNPDF3.1 determination of parton distributions, which for the first time includes constraints from jet production, top-quark pair differential…

High Energy Physics - Phenomenology · Physics 2018-07-10 Richard D. Ball , Stefano Carrazza , Luigi Del Debbio , Stefano Forte , Zahari Kassabov , Juan Rojo , Emma Slade , Maria Ubiali

We re-evaluate the non-perturbative contribution to the thrust distribution in $e^+e^-\to$ hadrons, in the light of the latest experimental data and the recent NNLO perturbative calculation of this quantity. By extending the calculation to…

High Energy Physics - Phenomenology · Physics 2009-01-22 R. A. Davison , B. R. Webber

We present a lattice QCD determination of the Mellin moments of the unpolarized gluon parton distribution function in the proton. The analysis is based on matrix elements of nonlocal gluon operators coupled to momentum-boosted proton…

High Energy Physics - Lattice · Physics 2026-05-29 Joseph Delmar , Krzysztof Cichy , Martha Constantinou , Yong Zhao
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