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Related papers: Exploring slicing variables for jet processes

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Next-to-next-to-leading order QCD predictions for single-, double- and even triple-differential distributions of jet events in proton-proton collisions have recently been obtained using the NNLOjet framework based on antenna subtraction.…

High Energy Physics - Phenomenology · Physics 2020-03-09 Michal Czakon , Andreas van Hameren , Alexander Mitov , Rene Poncelet

We present an algorithm to evaluate the exact, tree-level matrix elements for multi-parton processes in QCD. We tested this technique, based on the recursive evaluation of the S-matrix, on processes such as gg -> n gluons and q qbar -> n…

High Energy Physics - Phenomenology · Physics 2009-07-09 F. Caravaglios , M. L. Mangano , M. Moretti , R. Pittau

We perform the integration of all iterated singly-unresolved subtraction terms, as defined in ref. [1], over the two-particle factorized phase space. We also sum over the unresolved parton flavours. The final result can be written as a…

High Energy Physics - Phenomenology · Physics 2011-05-10 Paolo Bolzoni , Gabor Somogyi , Zoltan Trocsanyi

We describe a general method of calculating the fully differential cross section for the production of jets at next-to-leading order in a hadron collider. This method is based on a `crossing' of next-to-leading order calculations with all…

High Energy Physics - Phenomenology · Physics 2008-11-26 Walter T. Giele , E. W. Nigel Glover , David A. Kosower

In this work we calculate for the first time the next-to-next-to leading order (NNLO) QCD corrections to identified hadron production at hadron colliders. The inclusion of the NNLO correction has an important impact on all observables…

High Energy Physics - Phenomenology · Physics 2025-10-23 Michał Czakon , Terry Generet , Alexander Mitov , Rene Poncelet

We study jet final states in diffractive deep-inelastic scattering. We present the QCD factorization formula in terms of diffractive parton distributions and discuss its implementation in NLO Monte Carlo generators. We compute NLO…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Hautmann

The study of Quantum Chromodynamics (QCD) at ultra-relativistic energies can be performed in a controlled environment through lepton-hadron deep inelastic scatterings. In such collisions, the high-energy partonic emissions that follow from…

High Energy Physics - Phenomenology · Physics 2025-01-23 Liliana Apolinário , Raghav Kunnawalkam Elayavalli , Nuno Olavo Madureira

I present results of a next-to-leading order calculation of three jet production at hadron colliders. This calculation will have many applications. In addition to computing three-jet observables (spectra, mass distributions), this…

High Energy Physics - Phenomenology · Physics 2007-05-23 William B. Kilgore , Walter T. Giele

We present the complete calculation of $W$-boson production in association with a jet in hadronic collisions through next-to-next-to-leading order in perturbative QCD. To cancel infrared divergences we introduce a new subtraction method…

High Energy Physics - Phenomenology · Physics 2016-08-08 Radja Boughezal , Christfried Focke , Xiaohui Liu , Frank Petriello

The production of two-jet final states in deep inelastic scattering is an important QCD precision observable. We compute it for the first time to next-to-next-to-leading order (NNLO) in perturbative QCD. Our calculation is fully…

High Energy Physics - Phenomenology · Physics 2016-07-27 James Currie , Thomas Gehrmann , Jan Niehues

We study the production of jets in hadronic collisions, by computing all contributions proportional to $\alpha_S^n\alpha^m$, with $n+m=2$ and $n+m=3$. These correspond to leading and next-to-leading order results, respectively, for…

High Energy Physics - Phenomenology · Physics 2017-05-24 Rikkert Frederix , Stefano Frixione , Valentin Hirschi , Davide Pagani , Hua-Sheng Shao , Marco Zaro

We calculate the soft function for the global event variable 1-jettiness at next-to-next-to-leading order (NNLO) in QCD. We focus specifically on the non-Abelian contribution, which, unlike the Abelian part, is not determined by the…

High Energy Physics - Phenomenology · Physics 2018-04-18 John M. Campbell , R. Keith Ellis , Roberto Mondini , Ciaran Williams

Results for higher-order threshold enhancements in high-E_T jet production in hadron-hadron collisions are presented. Expressions are given for the next-to-next-to-leading order (NNLO) threshold corrections to the single-jet inclusive cross…

High Energy Physics - Phenomenology · Physics 2009-10-31 Nikolaos Kidonakis , J. F. Owens

We report the first calculation of fully differential jet production in all partonic channels at next-to-next-to leading order (NNLO) in perturbative QCD and compare to the available ATLAS 7 TeV data. We discuss the size and shape of the…

High Energy Physics - Phenomenology · Physics 2017-04-14 James Currie , E. W. N. Glover , Joao Pires

We calculate the cross section for the inclusive production of single hadrons with finite transverse momenta in deep-inelastic scattering at next-to-leading order (NLO), i.e. through O(alpha_s^2), in the parton model of QCD endowed with…

High Energy Physics - Phenomenology · Physics 2010-11-05 B. A. Kniehl , G. Kramer , M. Maniatis

In this talk we report on first results from the NLO computation of Z production in association with five jets in hadron-hadron collisions. The results are obtained with the help of the numerical method, where apart from the phase space…

High Energy Physics - Phenomenology · Physics 2014-07-02 Daniel Goetz , Christian Reuschle , Christopher Schwan , Stefan Weinzierl

When an energetic parton traversing the QCD medium, it may suffer multiple scatterings and lose energy. This jet quenching phenomenon may lead to the suppression of leading hadron productions as well as medium modifications of full jet…

Nuclear Theory · Physics 2019-05-22 Ben-Wei Zhang , Guo-Yang Ma , Wei Dai , Sa Wang , Shan-Liang Zhang

We consider the next-to-leading order (NLO) calculation of single inclusive particle production at forward rapidities in proton-nucleus collisions and in the framework of the Color Glass Condensate (CGC). We focus on the quark channel and…

High Energy Physics - Phenomenology · Physics 2018-12-05 D. N. Triantafyllopoulos

In this talk we present the recent calculation in all partonic channels of the fully differential single jet inclusive cross section at Next-to-Next-to-Leading Order in QCD. We discuss the size and shape of the perturbative corrections as a…

High Energy Physics - Phenomenology · Physics 2017-05-24 James Currie , E. W. N. Glover , Aude Gehrmann-De Ridder , Thomas Gehrmann , Alexander Huss , Joao Pires

In the framework of collinear factorization and next-to-leading order (NLO) perturbative QCD, we make predictions for inclusive and diffractive dijet photoproduction in electron-proton and electron-nucleus scattering in the EIC kinematics.…

High Energy Physics - Phenomenology · Physics 2023-03-21 V. Guzey , M. Klasen