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We consider direct diphoton production in hadron collisions. We compute the next-to-next-to-leading order (NNLO) QCD radiative corrections at the fully-differential level. Our calculation is based on the q_T subtraction formalism and it is…

高能物理 - 唯象学 · 物理学 2022-03-02 Leandro Cieri

We consider direct diphoton production in hadron collisions. We compute the next-to-next-to-leading order (NNLO) QCD radiative corrections at the fully-differential level. Our calculation uses the qT subtraction formalism and it is…

高能物理 - 唯象学 · 物理学 2015-06-11 Leandro Cieri

We consider direct diphoton production in hadron collisions, and we compute the next-to-next-to-leading order (NNLO) QCD radiative corrections at the fully-differential level. Our calculation uses the $q_T$ subtraction formalism and it is…

高能物理 - 唯象学 · 物理学 2016-06-27 Stefano Catani , Leandro Cieri , Daniel de Florian , Giancarlo Ferrera , Massimiliano Grazzini

We consider higher-order QCD corrections to the production of colourless high-mass systems (lepton pairs, vector bosons, Higgs bosons,...) in hadron collisions. We propose a new formulation of the subtraction method to numerically compute…

高能物理 - 唯象学 · 物理学 2008-11-26 S. Catani , M. Grazzini

We calculate the NNLO QCD corrections to diphoton production with an additional jet at the LHC. Our calculation represents the first NNLO-accurate prediction for the transverse momentum distribution of the diphoton system. The improvement…

高能物理 - 唯象学 · 物理学 2021-12-08 Herschel A. Chawdhry , Michal Czakon , Alexander Mitov , Rene Poncelet

We consider Standard Model Higgs boson production in association with a W boson in hadron collisions. We supplement the fully exclusive perturbative computation of QCD radiative effects up to next-to-next-to-leading order (NNLO) with the…

高能物理 - 唯象学 · 物理学 2014-04-15 Giancarlo Ferrera , Massimiliano Grazzini , Francesco Tramontano

We consider Standard Model Higgs boson production in association with a Z boson in hadron collisions. We present a fully exclusive computation of QCD radiative corrections up to next-to-next-to-leading order (NNLO). Our calculation includes…

高能物理 - 唯象学 · 物理学 2015-06-22 Giancarlo Ferrera , Massimiliano Grazzini , Francesco Tramontano

We present a fully-exclusive next-to-next-to-leading order (NNLO) QCD calculation for vector boson production in hadron-hadron collisions. The calculation is implemented in a parton level Monte Carlo program, which includes the gamma-Z…

高能物理 - 唯象学 · 物理学 2010-01-25 Giancarlo Ferrera

We consider QCD radiative corrections to the production of W and Z bosons in hadron collisions. We present a fully exclusive calculation up to next-to-next-to-leading order (NNLO) in QCD perturbation theory. To perform this NNLO…

高能物理 - 唯象学 · 物理学 2009-09-02 S. Catani , L. Cieri , G. Ferrera , D. de Florian , M. Grazzini

In this paper we present a next-to-next-to-leading order (NNLO) calculation of the process $pp\rightarrow \gamma\gamma$ that we have implemented into the parton level Monte Carlo code MCFM. We do not find agreement with the previous…

高能物理 - 唯象学 · 物理学 2021-09-15 John M. Campbell , R. Keith Ellis , Ye Li , Ciaran Williams

We present a full next-to-leading order (NLO) QCD corrections to diphoton production at the hadron colliders in both standard model and ADD model. The invariant mass and rapidity distributions of the diphotons are obtained using a…

高能物理 - 唯象学 · 物理学 2009-02-02 M. C. Kumar , Prakash Mathews , V. Ravindran , Anurag Tripathi

We compute the next-to-leading order corrections in $\alpha_s$ to prompt diphoton production in association with a jet at hadron colliders. We use a next-to-leading order general-purpose partonic Monte Carlo event generator that allows the…

高能物理 - 唯象学 · 物理学 2009-11-10 Vittorio Del Duca , Fabio Maltoni , Zoltan Nagy , Zoltan Trocsanyi

We consider Standard Model Higgs boson production by gluon--gluon fusion in hadron collisions. We present a calculation of the next-to-next-to-leading order QCD corrections to the cross section in the H->WW->lnu lnu and H->ZZ->4l decay…

高能物理 - 唯象学 · 物理学 2008-12-30 M. Grazzini

We consider Higgs boson production through gluon--gluon fusion in hadron collisions. We present a numerical program that computes the cross section up to NNLO in QCD perturbation theory. The program includes the decay modes H->gamma-gamma,…

高能物理 - 唯象学 · 物理学 2008-11-26 S. Catani , M. Grazzini

We compute the next-to-leading order (NLO) QCD corrections to the gluon-fusion subprocess of diphoton-plus-jet production at the LHC. We compute fully differential distributions by combining two-loop virtual corrections with one-loop real…

高能物理 - 唯象学 · 物理学 2021-12-01 Simon Badger , Thomas Gehrmann , Matteo Marcoli , Ryan Moodie

We present the computation of next-to-leading order (NLO) QCD corrections to di-photon production in association with two or three hard jets in pp collisions at a center-of-mass energy of 8 TeV. The inclusion of NLO corrections is shown to…

高能物理 - 唯象学 · 物理学 2015-06-18 Simon Badger , Alberto Guffanti , Valery Yundin

The computation of the NLO-QCD corrections to the cross sections for W \gamma \gamma production in hadronic collisions is presented. We consider the case of real photons in the final state, but include full leptonic decays of the W.…

高能物理 - 唯象学 · 物理学 2011-07-05 G. Bozzi , F. Campanario , M. Rauch , D. Zeppenfeld

The Higgs boson H of the Standard Model can be searched for in the channels p pbar / pp -> t tbar H + X at the Tevatron and the LHC. The cross sections for these processes and the final-state distributions of the Higgs boson and top quarks…

高能物理 - 唯象学 · 物理学 2010-04-05 W. Beenakker , S. Dittmaier , M. Krämer , B. Plümper , M. Spira , P. M. Zerwas

The computation of the NLO QCD corrections to the cross sections for W+W- gamma and ZZgamma production in hadronic collisions is presented. We consider the case of a real photon in the final state, but include full leptonic decays of the W…

高能物理 - 唯象学 · 物理学 2014-11-20 G. Bozzi , F. Campanario , V. Hankele , D. Zeppenfeld

We consider QCD radiative corrections to Standard Model Higgs boson production in association with a W boson in hadron collisions. We present a fully exclusive calculation up to next-to-next-to-leading order (NNLO) in QCD perturbation…

高能物理 - 唯象学 · 物理学 2013-05-29 G. Ferrera , M. Grazzini , F. Tramontano
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