English
Related papers

Related papers: NLO QCD corrections to $B_c$-pair production in ph…

200 papers

Scalar and pseudo-scalar resonances decaying to top quarks are common predictions in several scenarios beyond the standard model (SM) and are extensively searched for by LHC experiments. Challenges on the experimental side require…

High Energy Physics - Phenomenology · Physics 2017-11-28 Diogo Buarque Franzosi , Eleni Vryonidou , Cen Zhang

A brief summary of the recent next-to-leading order QCD calculation for e+ ve mu- v_mu bb~ j at the LHC is given. Our computation includes all non-resonant contributions, off-shell effects and interferences for top-quarks and W gauge…

High Energy Physics - Phenomenology · Physics 2016-05-18 Malgorzata Worek

We compute the next-to-next-to-leading order QCD correction to the total inclusive top pair production cross-section in the reaction qg \to t\bar t + X. We find moderate O(1%) correction to central values at both Tevatron and LHC. The scale…

High Energy Physics - Phenomenology · Physics 2015-06-11 Michal Czakon , Alexander Mitov

Triboson production processes play a crucial role in probing the electroweak sector of the Standard Model, as they involve quartic gauge-boson couplings already at the tree level. With these measurements entering the precision era at the…

High Energy Physics - Phenomenology · Physics 2025-11-26 Paolo Garbarino , Massimiliano Grazzini , Stefan Kallweit , Chiara Savoini

We review recently derived NNLO QCD results for top-pair production at hadron colliders. We compare the size of the NNLO corrections in $q\bar q\to t\bar t+X$ with the LO and NLO ones, and address the question of convergence of perturbative…

High Energy Physics - Phenomenology · Physics 2012-07-17 Peter Baernreuther , Michal Czakon , Alexander Mitov

We report on the first calculation of next-to-next-to-leading order (NNLO) QCD corrections to the inclusive production of ZZ pairs at hadron colliders. Numerical results are presented for pp collisions with centre-of-mass energy…

High Energy Physics - Phenomenology · Physics 2015-06-19 F. Cascioli , T. Gehrmann , M. Grazzini , S. Kallweit , P. Maierhöfer , A. von Manteuffel , S. Pozzorini , D. Rathlev , L. Tancredi , E. Weihs

We compute the NNLO QCD corrections to three-photon production at the LHC. This is the first NNLO QCD calculation for a $2\to 3$ process. Our calculation is exact, except for the scale-independent part of the two-loop finite remainder which…

High Energy Physics - Phenomenology · Physics 2020-02-27 Herschel A. Chawdhry , Michał Czakon , Alexander Mitov , Rene Poncelet

We present the exact next-to-leading order (NLO) QCD corrections to dijet production at the LHC via quark contact interactions, with different color and chiral structures induced from new physics. Following the recent analysis of quark…

High Energy Physics - Phenomenology · Physics 2015-06-04 Jun Gao , Chong Sheng Li , C. -P. Yuan

NLO QCD corrections to Vector Boson Pair Production via Vector Boson Fusion have recently been calculated and implemented in a parton-level Monte-Carlo program with full experimental cuts. We briefly sketch the elements of the calculation…

High Energy Physics - Phenomenology · Physics 2008-11-26 Giuseppe Bozzi , Barbara Jäger , Carlo Oleari , Dieter Zeppenfeld

We present the next-to-leading order QCD corrections to the production of a photon pair in association with one or two jets. This class of processes constitutes an important background for Higgs physics at the LHC. For the one jet process…

High Energy Physics - Phenomenology · Physics 2013-11-20 Thomas Gehrmann , Nicolas Greiner , Gudrun Heinrich

We develop the analysis of diphoton exclusive photoproduction in the kinematics where a collinear QCD factorization framework applies, namely nearly forward large invariant mass diphoton production. We work at the leading twist level and at…

High Energy Physics - Phenomenology · Physics 2022-06-01 Oskar Grocholski , Bernard Pire , Paweł Sznajder , Lech Szymanowski , Jakub Wagner

Higgs boson production in association with a hard central photon and two forward tagging jets is expected to provide valuable information on Higgs boson couplings in a range where it is difficult to disentangle weak-boson fusion processes…

High Energy Physics - Phenomenology · Physics 2014-11-21 Ken Arnold , Terrance Figy , Barbara Jager , Dieter Zeppenfeld

We calculate the complete next-to-leading order (NLO) QCD corrections to the $Z^0H^0$ production in association with a jet at the LHC. We study the impacts of the NLO QCD radiative corrections to the integrated and differential cross…

High Energy Physics - Phenomenology · Physics 2012-03-29 Su Ji-Juan , Guo Lei , Ma Wen-Gan , Zhang Ren-You , Ling Liu-Sheng , Han Liang

The production of top-quark pairs in hadronic collisions is among the most important reactions in modern particle physics phenomenology and constitutes an instrumental avenue to study the properties of the heaviest quark observed in nature.…

High Energy Physics - Phenomenology · Physics 2022-02-25 Javier Mazzitelli , Pier Francesco Monni , Paolo Nason , Emanuele Re , Marius Wiesemann , Giulia Zanderighi

In this work, we provide a comprehensive set of differential cross-section distributions for photon + di-jet production in proton-proton collisions with next-to-next-to-leading order precision in massless QCD. The event selection…

High Energy Physics - Phenomenology · Physics 2023-11-10 Simon Badger , Michal Czakon , Heribertus Bayu Hartanto , Ryan Moodie , Tiziano Peraro , Rene Poncelet , Simone Zoia

Crucial information on the coupling of the Higgs boson to bottom quarks is expected from Higgs production in association with a forward tagging jet at a future high-energy lepton-proton collider. In order to control the theoretical…

High Energy Physics - Phenomenology · Physics 2010-05-28 B. Jager

Vector-boson fusion and associated production at the LHC can provide key information on the strength and structure of the Higgs couplings to the Standard Model particles. Using an effective field theory approach, we study the effects of…

High Energy Physics - Phenomenology · Physics 2015-06-17 Fabio Maltoni , Kentarou Mawatari , Marco Zaro

In this proceedings we compare phenomenological predictions for differential distributions in top-quark pair production at the LHC. In particular we consider NNLO QCD fixed-order predictions and parton-level predictions based on NLO QCD…

The implementation of the full next-to-leading order (NLO) QCD corrections to electroweak Higgs boson plus three jet production at hadron colliders such as the LHC within the Matchbox NLO framework of the Herwig++ event generator is…

High Energy Physics - Phenomenology · Physics 2013-11-22 Francisco Campanario , Terrance M. Figy , Simon Plätzer , Malin Sjödahl

We compute next-to-next-to-leading order (NNLO) QCD corrections to neutral vector boson production in association with a charm jet at the LHC. This process is studied in the forward kinematics at $\sqrt{s}=13$ TeV, which may provide…

High Energy Physics - Phenomenology · Physics 2023-05-31 R. Gauld , A. Gehrmann-De Ridder , E. W. N. Glover , A. Huss , A. Rodriguez Garcia , G. Stagnitto