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We briefly review the status of high precision QCD predictions available for LHC processes, focusing on corrections beyond NLO and ways to make the latter available in a convenient format. As a phenomenological example we discuss the…

高能物理 - 唯象学 · 物理学 2017-10-16 Gudrun Heinrich

We compute next-to-next-to-leading order QCD corrections to the gluon-induced production cross section of Higgs boson pairs in the large top quark mass limit using the soft-virtual approximation. In the limit of infinitely-heavy top quark…

高能物理 - 唯象学 · 物理学 2015-12-09 Jonathan Grigo , Jens Hoff , Matthias Steinhauser

We report on the calculation of the next-to-leading order QCD corrections to the production of W-boson pairs in association with a hard jet at hadron colliders, which is an important source of background for Higgs and new-physics searches.…

高能物理 - 唯象学 · 物理学 2008-11-26 Stefan Dittmaier , Stefan Kallweit , Peter Uwer

The next-to-leading-order electroweak corrections to $pp\to l^+l^-/\bar\nu\nu+\gamma+X$ production, including all off-shell effects of intermediate Z bosons in the complex-mass scheme, are calculated for LHC energies, revealing the…

高能物理 - 唯象学 · 物理学 2016-03-23 Ansgar Denner , Stefan Dittmaier , Markus Hecht , Christian Pasold

In this contribution, we present new results of next-to-leading order (NLO) electroweak corrections to the doubly polarized $W^+W^-$ production cross sections at the LHC, via the full leptonic final state. This calculation has been recently…

高能物理 - 唯象学 · 物理学 2025-05-27 Thi Nhung Dao , Duc Ninh Le

We present the next-to-leading-order (NLO) QCD corrections to the inclusive total cross section for the production of a Higgs boson in association with a top anti-top quark pair within the Standard Model at the Tevatron and the LHC.

高能物理 - 唯象学 · 物理学 2009-11-07 S. Dawson , L. H. Orr , L. Reina , D. Wackeroth

In this work we analyse the triple Higgs boson production cross section at hadron colliders via gluon fusion, and present for the first time the full set of QCD NNLO corrections in the heavy top limit. In order to account for finite top…

高能物理 - 唯象学 · 物理学 2020-03-31 Daniel de Florian , Ignacio Fabre , Javier Mazzitelli

We present results for W-boson production at large transverse momentum at LHC and Tevatron energies. We calculate complete next-to-leading-order (NLO) QCD corrections and higher-order soft-gluon corrections to the differential cross…

高能物理 - 唯象学 · 物理学 2015-06-03 Nikolaos Kidonakis , Richard J. Gonsalves

Recently, the ATLAS and CMS collaborations jointly announced the first evidence of the rare Higgs boson decay channel $H\to Z\gamma$, with a ratio of $2.2\pm 0.7$ times the leading order standard model (SM) prediction. In order to face this…

高能物理 - 唯象学 · 物理学 2024-09-04 Zi-Qiang Chen , Long-Bin Chen , Cong-Feng Qiao , Ruilin Zhu

We consider power corrections due to a finite top quark mass M_t to the production of a Higgs boson pair within the Standard Model at next-to-leading order (NLO) in QCD. Previous calculations for this process and at this precision were done…

高能物理 - 唯象学 · 物理学 2014-07-28 Jonathan Grigo , Jens Hoff

Weak boson fusion is expected to be an important Higgs production channel at the LHC. Complete one-loop results for weak boson fusion in the Standard Model have been obtained by calculating the full virtual electroweak corrections and…

高能物理 - 唯象学 · 物理学 2015-05-20 Terrance Figy , Sophy Palmer , Georg Weiglein

We compute the next-to-leading-order (NLO) QCD corrections to the Higgs pT distribution in Higgs production in association with a jet via gluon fusion at the LHC, with exact dependence on the mass of the quark circulating in the heavy-quark…

高能物理 - 唯象学 · 物理学 2023-07-19 R. Bonciani , V. Del Duca , H. Frellesvig , M. Hidding , V. Hirschi , F. Moriello , G. Salvatori , G. Somogyi , F. Tramontano

Properties of the Higgs boson ($H$) at current and future particle colliders are crucial to explore new physics beyond the standard model. In particular, experimental and theoretical outlooks at future colliders drive interest in Higgs to…

高能物理 - 唯象学 · 物理学 2025-01-29 Pramod Sharma , Biswajit Das , Ambresh Shivaji

We present the results for the complete next-to-leading order electroweak corrections to $pp \to HH$ at the Large Hadron Collider, focusing on the dominant gluon-gluon fusion process. While the corrections at the total cross-section level…

高能物理 - 唯象学 · 物理学 2024-06-12 Huan-Yu Bi , Li-Hong Huang , Rui-Jun Huang , Yan-Qing Ma , Huai-Min Yu

We present a complete next-to-leading order study of top-squark pair production at the LHC, including QCD and EW corrections. The calculation is performed within the Minimal Supersymmetric Standard Model and numerical results are presented…

高能物理 - 唯象学 · 物理学 2015-06-19 Jan Germer , Wolfgang Hollik , Jonas M. Lindert , Edoardo Mirabella

We have computed the full next-to-leading (NLO) QCD corrections to the differential distributions $d^2\sigma/(dp_T~dy)$ for pseudo-scalar Higgs (A) production at large hadron colliders. This calculation has been carried out using the…

高能物理 - 唯象学 · 物理学 2009-11-07 B. Field , J. Smith , M. E. Tejeda-Yeomans , W. L. van Neerven

In this paper we present a Next-to-Next-to Leading Order (NNLO) calculation of the production of a Higgs boson in association with a massive vector boson. We include the decays of the unstable Higgs and vector bosons, resulting in a fully…

高能物理 - 唯象学 · 物理学 2016-07-20 John M. Campbell , R. Keith Ellis , Ciaran Williams

We present the most precise value for the Higgs boson cross-section in the gluon-fusion production mode at the LHC. Our result is based on a perturbative expansion through N$^3$LO in QCD, in an effective theory where the top-quark is…

We review the salient features of next-to-leading-order QCD and electroweak corrections to the scattering of two and the production of three weak gauge bosons at the Large Hadron Collider. Results for the tower of $O(\alpha_s^m\alpha^n)$…

高能物理 - 唯象学 · 物理学 2026-04-21 S. Dittmaier

We calculate the complete NLO QCD corrections to loop-induced $gg \rightarrow ZZ$ production including full top-quark mass effects. The two-loop virtual corrections are obtained by combining analytic results for the massless,…

高能物理 - 唯象学 · 物理学 2025-06-27 Bakul Agarwal , Stephen Jones , Matthias Kerner , Andreas von Manteuffel