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Using the next-to-leading order (NLO) coefficient functions for exclusive electroproduction of heavy vector mesons derived in our previous work, we perform various phenomenological studies of exclusive electroproduction in $ep$ collisions…

High Energy Physics - Phenomenology · Physics 2026-03-03 Chris A. Flett

Next-to-leading order (NLO) QCD predictions for the production of heavy quarks in proton-proton collisions are presented within three different approaches to quark mass, resummation and fragmentation effects. In particular, new NLO and…

High Energy Physics - Phenomenology · Physics 2015-06-19 M. Klasen , C. Klein-Bösing , K. Kovarik , G. Kramer , M. Topp , J. Wessels

The search for new interactions and particles in high-energy collider physics relies on precise background predictions. This has led to many advances in combining precise fixed-order cross-section calculations with detailed event generator…

High Energy Physics - Phenomenology · Physics 2021-11-24 Stefan Prestel

High-energy physics data analysis relies heavily on the comparison between experimental and simulated data as stressed lately by the Higgs search at LHC and the recent identification of a Higgs-like new boson. The first link in the full…

High Energy Physics - Experiment · Physics 2015-06-12 Denis Perret-Gallix

We present the CoLoRFulNNLO method to compute higher order radiative corrections to jet cross sections in perturbative QCD. We apply our method to the computation of event shape observables in electron-positron collisions at NNLO accuracy…

High Energy Physics - Phenomenology · Physics 2016-10-19 Vittorio Del Duca , Claude Duhr , Adam Kardos , Gábor Somogyi , Zoltán Szőr , Zoltán Trócsányi , Zoltán Tulipánt

Recently, the ATLAS data of isolated three-photon production showed that the next-to-leading order (NLO) collinear factorization is not enough to describe experimental data. Therefore, one needs to calculate the cross section beyond the…

High Energy Physics - Phenomenology · Physics 2021-11-04 R. Kord Valeshabadi , M. Modarres , S. Rezaie

Recently, the CMS and ATLAS Collaborations at the CERN Large Hadron Collider (LHC) have set exclusion limits on the quark compositeness scale by comparing their data to the leading order and the scaled next-to-leading order (NLO) QCD…

High Energy Physics - Phenomenology · Physics 2011-04-20 Jun Gao , Chong Sheng Li , Jian Wang , Hua Xing Zhu , C. -P. Yuan

Reaching next-to-leading order accuracy in perturbative calculations of particle production in QCD at high energy is essential for reliable phenomenological applications. In recent years, the Color Glass Condensate effective theory (the…

High Energy Physics - Phenomenology · Physics 2018-12-04 B. Ducloué

We study QCD corrections for the associated production of a single top quark and a photon ($tq\gamma$ production) at hadron colliders. We calculate the NLO cross section at LHC and future collider energies for a variety of kinematical cuts,…

High Energy Physics - Phenomenology · Physics 2022-08-08 Nikolaos Kidonakis , Nodoka Yamanaka

The computation of higher-order corrections to cross sections relevant at LHC involves the evaluation of phase-space integrals that exhibit soft and collinear divergences. The subtraction of these divergences is a key ingredient to obtain…

The evaluation of higher-order cross-sections is an important component in the search for new physics, both at hadron colliders and elsewhere. For most new physics processes of interest, total cross-sections are known at next-to-leading…

High Energy Physics - Phenomenology · Physics 2020-12-29 Andy Buckley , Anders Kvellestad , Are Raklev , Pat Scott , Jon Vegard Sparre , Jeriek Van den Abeele , Ingrid A. Vazquez-Holm

The next to leading order (NLO) quarkonium-hadron cross section is calculated in perturbative QCD. The corresponding leading order (LO) result was performed by Peskin more than 20 years ago using the operator product expansion (OPE). In…

High Energy Physics - Phenomenology · Physics 2009-11-11 Taesoo Song , Su Houng Lee

We review recent progress in next-to-next-to-leading order (NNLO) perturbative QCD calculations with special emphasis on results ready for phenomenological applications. Important examples are new results on structure functions and jet or…

High Energy Physics - Phenomenology · Physics 2015-06-25 M. Klasen

The production cross section for pseudo-scalar Higgs bosons at hadron colliders is computed at next-to-next-to-leading order (NNLO) in QCD. The pseudo-scalar Higgs is assumed to couple only to top quarks. The NNLO effects are evaluated…

High Energy Physics - Phenomenology · Physics 2011-01-13 Robert V. Harlander , William B. Kilgore

We present the calculations of the complete next-to-leading order (NLO) QCD corrections (including supersymmetric QCD) to the inclusive total cross sections of the associated production processes $pp\to A^0Z^0+X$ in the Minimal…

High Energy Physics - Phenomenology · Physics 2009-11-11 Qiang Li , Chong Sheng Li , Jian Jun Liu , Li Gang Jin , C. -P. Yuan

We present the key features relevant to the automated computation of all the leading- and next-to-leading order contributions to short-distance cross sections in a mixed-coupling expansion, with special emphasis on the first subleading NLO…

High Energy Physics - Phenomenology · Physics 2021-10-22 R. Frederix , S. Frixione , V. Hirschi , D. Pagani , H. -S. Shao , M. Zaro

With the LHC close to complete its 8 TeV run, the experimental searches have already started to probe the vast beyond-the-standard Model scenery. Providing next-to-leading order (NLO) predictions for the major new physics discovery channels…

High Energy Physics - Phenomenology · Physics 2014-05-30 David Lopez-Val , Dorival Goncalves , Kentarou Mawatari , Tilman Plehn , Ioan Wigmore

We cure the perturbative instability of the total-inclusive-photoproduction cross sections of vector $S$-wave quarkonia observed at high photon-proton-collision energies ($\sqrt{s_{\gamma p}}$) in Next-to-Leading Order (NLO)…

High Energy Physics - Phenomenology · Physics 2023-12-11 Jean-Philippe Lansberg , Maxim Nefedov , Melih A. Ozcelik

We briefly describe a new general algorithm for carrying out QCD calculations to next-to-leading order in perturbation theory. The algorithm can be used for computing arbitrary jet cross sections in arbitrary processes and can be…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefano Catani , Michael H. Seymour

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