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We present the calculation of next-to-next-to-leading-order (NNLO) QCD corrections to hadron multiplicities in light-quark jets at lepton colliders, employing the ``projection-to-Born" (P2B) method implemented in the FMNLO program. Taking…

高能物理 - 唯象学 · 物理学 2025-10-29 Bin Zhou , Jun Gao

We compute the Next-to-Next-to-Leading Order (NNLO) QCD corrections to the partonic reaction that dominates top-pair production at the Tevatron. This is the first ever NNLO calculation of an observable with more than two colored partons,…

高能物理 - 唯象学 · 物理学 2013-05-30 Peter Baernreuther , Michal Czakon , Alexander Mitov

We revisited excited leptons ($\bar{l^*}l$) production through gauge mediation only at LHC, followed by their two body decays into Standard Model (SM) particles. We include the next-to-leading order (NLO) QCD corrections to these processes.…

高能物理 - 唯象学 · 物理学 2015-03-10 Swapan Majhi

We compute the O(alpha_s^2) QCD corrections to the fully differential cross-section pp \to W X \to l \nu X, retaining all effects from spin correlations. The knowledge of these corrections makes it possible to calculate with high precision…

高能物理 - 唯象学 · 物理学 2008-11-26 Kirill Melnikov , Frank Petriello

We present the production cross section for a lepton-neutrino pair at the Large Hadron Collider computed at next-to-next-to-next-to leading order (N3LO) in QCD perturbation theory. We compute the partonic coefficient functions of a virtual…

高能物理 - 唯象学 · 物理学 2020-12-30 Claude Duhr , Falko Dulat , Bernhard Mistlberger

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…

高能物理 - 唯象学 · 物理学 2012-03-29 Su Ji-Juan , Guo Lei , Ma Wen-Gan , Zhang Ren-You , Ling Liu-Sheng , Han Liang

We consider lepton pair production at a hadron collider in a class of effective theories with the relevant operators being four-fermion contact interaction. Despite the nonrenormalizable nature of the interaction, we explicitly demonstrate…

高能物理 - 唯象学 · 物理学 2009-11-11 Debajyoti Choudhury , Swapan Majhi , V. Ravindran

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

We present the next-to-next-to-leading order (NNLO) corrections to the total cross section for (pseudo-) scalar Higgs boson production using an alternative method than those used in previous calculations. All QCD partonic subprocesses have…

高能物理 - 唯象学 · 物理学 2011-05-05 V. Ravindran , J. Smith , W. L. van Neerven

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

Parton distribution functions (PDFs) often include datasets corresponding to processes whereby the theoretical predictions at next-to-next-to-leading order (NNLO) in peturbative QCD have to be approximated, and this approximation may be…

高能物理 - 唯象学 · 物理学 2024-08-21 Tanishq Sharma

The next-to-next-to-leading order (NNLO) corrections in massless perturbative QCD are derived for the parton distributions of the photon and the deep inelastic structure functions F_1^gamma and F_2^gamma. We present the full photonic…

高能物理 - 唯象学 · 物理学 2009-11-07 S. Moch , J. A. M. Vermaseren , A. Vogt

We compute the next-to-next-to-leading order (NNLO) QCD correction to the total cross-section for the reaction gg \to t\bar t + X. Together with the partonic channels we computed previously, the result derived in this letter completes the…

高能物理 - 唯象学 · 物理学 2013-08-06 Michal Czakon , Paul Fiedler , Alexander Mitov

We present the calculations of the next-to-leading order (NLO) QCD corrections to the inclusive total cross sections for the associated production of the $W^{\pm}H^{\mp}$ through $b\bar{b}$ annihilation in the Minimal Supersymmetric…

高能物理 - 唯象学 · 物理学 2008-11-26 Jun Gao , Chong Sheng Li , Zhao Li

Single slepton production in association with a top quark at the CERN Large Hadron Collider (LHC) is one of the important processes in probing the R-parity violation couplings. We calculate the QCD next-to-leading order (NLO) corrections to…

高能物理 - 唯象学 · 物理学 2012-03-29 Li Xiao-Peng , Guo Lei , Ma Wen-Gan , Han Liang , Zhang Ren-You , Wang Shao-Ming

We have computed semi-inclusive spin asymmetries for proton and deuteron targets including next to leading order (NLO) QCD corrections and contributions coming from the target fragmentation region. These corrections have been estimated…

高能物理 - 唯象学 · 物理学 2016-08-15 D. de Florian , L. N. Epele , H. Fanchiotti , C. A. García Canal , S. Joffily , R. Sassot

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…

高能物理 - 唯象学 · 物理学 2012-07-17 Peter Baernreuther , Michal Czakon , Alexander Mitov

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 study predictions from perturbative Quantum Chromodynamics (QCD) for the process pp -> H -> gamma gamma + X. In particular, we compare fully differential calculations at next-to-leading (NLO) and next-to-next-to-leading order (NNLO) in…

高能物理 - 唯象学 · 物理学 2010-02-03 Fabian Stoeckli , Andre G. Holzner , Guenther Dissertori

The complete next-to-leading order (NLO) QCD corrections to charged Higgs boson associated production with top quark through $b g \to tH^{-}$ at the CERN Large Hadron Collider are calculated in the minimal supersymmetric standard model…

高能物理 - 唯象学 · 物理学 2009-11-07 Shou-hua Zhu