English
Related papers

Related papers: LO, NLO, LO* and jet algorithms

200 papers

In this talk we present the calculation of next-to-next-to-leading order (NNLO) QCD corrections to dijet production and related observables at hadron colliders in the purely gluonic channel. Results for this channel are obtained keeping all…

High Energy Physics - Phenomenology · Physics 2013-12-20 James Currie , Aude Gehrmann-De Ridder , Thomas Gehrmann , E. W. N. Glover , Joao Pires

The leptonic decays of the heavy gauge bosons W and/or Z provide a clear experimental signature at hadron colliders. The production of accompanying jets is an excellent signal to probe QCD, while also being the main background to many…

High Energy Physics - Phenomenology · Physics 2015-03-18 Flavia A. Dias , Emily Nurse , Gavin Hesketh

The working group on jets and high-Et phenomena of the Future physics at HERA Workshop studied subjects ranging from next-to-leading order (NLO) corrections in deeply inelastic scattering (DIS) and photoproduction with the corresponding…

High Energy Physics - Phenomenology · Physics 2007-05-23 Martin Erdmann , Dirk Graudenz , Leif Lonnblad , Katsuo Tokushuku

We consider Next-to-Leading-Order QCD corrections to ADD graviton exchange relevant for Deep Inelastic Scattering experiments. We calculate the relevant NLO structure functions by calculating the virtual and real corrections for a set of…

High Energy Physics - Phenomenology · Physics 2011-06-21 W. J. Stirling , E. Vryonidou

Motivated by the recent anomalies observed in semileptonic decays of B-mesons, the class of models denoted as "4321" is introduced and analysed. The importance of calculating next-to-leading-order (NLO) effects in performing precise…

High Energy Physics - Phenomenology · Physics 2021-05-18 Nudzeim Selimovic

The next to leading order (NLO) QCD corrections to J/psi polarization of hadronproduction at Tevatron and LHC are calculated. The results show that the J/psi polarization is extremely changed from more transversal polarization at leading…

High Energy Physics - Phenomenology · Physics 2008-11-26 Bin Gong , Jian-Xiong Wang

This article gives results on several jet algorithms in electron-positron annihilation: Considered are the exclusive sequential recombination algorithms Durham, Geneva, Jade-E0 and Cambridge, which are typically used in electron-positron…

High Energy Physics - Phenomenology · Physics 2015-03-17 Stefan Weinzierl

We study the possibility to employ neural networks to simulate jet clustering procedures in high energy hadron-hadron collisions. We concentrate our analysis on the Fermilab Tevatron energy and on the $k_\bot$ algorithm. We consider both…

High Energy Physics - Phenomenology · Physics 2016-09-01 P. De Felice , G. Nardulli , G. Pasquariello

We investigate single-inclusive high-pT jet production in longitudinally polarized pp collisions at RHIC, with particular focus on the algorithm adopted to define the jets. Following and extending earlier work in the literature, we treat…

High Energy Physics - Phenomenology · Physics 2015-06-11 Asmita Mukherjee , Werner Vogelsang

The inclusive production of jets in the central region of rapidity is studied in $k_T$-factorization at next-to-leading order (NLO) in QCD perturbation theory. Calculations are performed in the Regge limit making use of the NLO BFKL…

High Energy Physics - Phenomenology · Physics 2010-02-03 J. Bartels , A. Sabio Vera , F. Schwennsen

I consider the effects of including a variety of new LHC data sets into the MMHT approach for PDF determination. I consider the impact of fitting new LHC and Tevatron data, which leads to clear improvements in some PDF uncertainties. There…

High Energy Physics - Phenomenology · Physics 2017-08-02 R. S. Thorne , L. A. Harland-Lang , A. D. Martin

Perturbative Quantum Chromodynamics has experienced an impressive progress in the last few years, boosted by the requirements of the LHC experimental program. In this contribution, I briefly review a selection of recent results in QCD and…

High Energy Physics - Phenomenology · Physics 2022-03-02 Juan Rojo

We discuss the subleading power corrections to one-jet production processes in $N$-jettiness subtraction using vector-boson plus jet production as an example. We analytically derive the next-to-leading power leading logarithmic corrections…

High Energy Physics - Phenomenology · Physics 2020-04-28 Radja Boughezal , Andrea Isgrò , Frank Petriello

Tri-boson production together with vector-boson scattering is a privileged channel to study the electroweak structure of the Standard Model. Upcoming LHC running stages will allow to measure these processes at unprecedented accuracy and for…

High Energy Physics - Phenomenology · Physics 2025-01-29 Ansgar Denner , Daniele Lombardi , Santiago Lopez Portillo Chavez , Giovanni Pelliccioli

Using deep neural networks for identifying physics objects at the Large Hadron Collider (LHC) has become a powerful alternative approach in recent years. After successful training of deep neural networks, examining the trained networks not…

High Energy Physics - Phenomenology · Physics 2023-01-23 Taoli Cheng

For precision studies with QCD observables at colliders, higher order perturbative corrections are often mandatory. For exclusive observables, like jet cross sections or differential distributions, these corrections were until recently only…

High Energy Physics - Phenomenology · Physics 2008-12-30 T. Gehrmann

We discuss an algorithm for the numerical evaluation of NLO multiparton processes. We focus hereby on the virtual part of the NLO calculation, i.e. on evaluating the one-loop integration numerically. We employ and extend the ideas of the…

High Energy Physics - Phenomenology · Physics 2012-09-14 S. Becker , D. Goetz , C. Reuschle , C. Schwan , S. Weinzierl

As the LHC prepares to start taking data, this review is intended to provide a QCD theorist's understanding and views on jet finding at hadron colliders, including recent developments. My hope is that it will serve both as a primer for the…

High Energy Physics - Phenomenology · Physics 2014-11-20 Gavin P. Salam

Jet and dijet rates in AB collisions at LHC energies are computed using a NLO Monte Carlo code. Uncertainties due to nuclear modifications of nucleon parton densities are analyzed. Predictions for different AB collisions at LHC energies are…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Accardi , N. Armesto , I. P. Lokhtin

We study jet physics in the high energy regime of QCD. Based on the NLO BFKL equation, we construct a vertex for the production of a jet at central rapidity in k_T-factorization. A jet algorithm is introduced, and we take special care of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Florian Schwennsen