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We compute theoretical predictions for the production of a W-boson in association with a bottom-quark pair at hadron colliders at next-to-next-to-leading order (NNLO) in QCD, including the leptonic decay of the W-boson, while treating the…

高能物理 - 唯象学 · 物理学 2022-05-17 Heribertus Bayu Hartanto , Rene Poncelet , Andrei Popescu , Simone Zoia

We report on the calculation of the full next-to-leading order QCD corrections to the production of top anti-top bottom anti-bottom (ttbb) final states at the LHC, which deliver a serious background contribution to the production of a Higgs…

高能物理 - 唯象学 · 物理学 2009-09-02 A. Bredenstein , A. Denner , S. Dittmaier , S. Pozzorini

The measurement of the Higgs pair production via vector boson fusion can be used to test the trilinear Higgs self-coupling and the $VVHH$ $(V=Z,W)$ quartic gauge interactions. In this paper we present the calculations of the…

高能物理 - 唯象学 · 物理学 2014-04-02 Ling Liu-Sheng , Zhang Ren-You , Ma Wen-Gan , Guo Lei , Li Wei-Hua , Li Xiao-Zhou

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…

高能物理 - 唯象学 · 物理学 2011-01-13 Robert V. Harlander , William B. Kilgore

We present analytic results for the partonic cross sections for the production of a Higgs boson via the fusion of two bottom quarks at N$^3$LO in QCD perturbation theory in the five-flavour scheme. We combine this perturbative result with…

高能物理 - 唯象学 · 物理学 2020-08-26 Claude Duhr , Falko Dulat , Valentin Hirschi , Bernhard Mistlberger

We consider QCD corrections to Higgs boson production through gluon-gluon fusion in hadron collisions. Using the recently evaluated two-loop amplitude for this process and the corresponding factorization formulae for soft-gluon…

高能物理 - 唯象学 · 物理学 2010-02-03 S. Catani , D. de Florian , M. Grazzini

We analyse the production of a Higgs boson in association with a top--antitop-quark pair in the Standard Model at the LHC. Considering the final state consisting of four b jets, two jets, one identified charged lepton and missing energy, we…

高能物理 - 唯象学 · 物理学 2015-12-01 Ansgar Denner , Robert Feger , Andreas Scharf

We present the first results on the production of pseudo-scalar through gluon fusion at the LHC to N$^3$LO in QCD taking into account only soft gluon effects. We have used the effective Lagrangian that describes the coupling of…

高能物理 - 唯象学 · 物理学 2016-07-20 Taushif Ahmed , M. C. Kumar , Prakash Mathews , Narayan Rana , V. Ravindran

We consider the production of a Higgs boson via gluon-fusion and its decay into two photons. We compute the NLO virtual QCD corrections to these processes in a general framework in which the coupling of the Higgs boson to the external…

高能物理 - 唯象学 · 物理学 2010-10-27 U. Aglietti , R. Bonciani , G. Degrassi , A. Vicini

We investigate the production of heavy, neutral Higgs boson resonances and their decays to top-quark top-antiquark ($t\bar{t}$) pairs at the Large Hadron Collider (LHC) at next-to-leading order (NLO) in the strong coupling of quantum…

高能物理 - 唯象学 · 物理学 2016-03-02 W. Bernreuther , P. Galler , C. Mellein , Z. -G. Si , P. Uwer

We present the inclusive cross section at next-to-next-to-next-to-leading order (N$^3$LO) in perturbative QCD for the production of a Higgs boson via bottom-quark fusion. We employ the five-flavour scheme, treating the bottom quark as a…

高能物理 - 唯象学 · 物理学 2020-11-17 Claude Duhr , Falko Dulat , Bernhard Mistlberger

The data taken in Run II at the LHC have started to probe Higgs boson production at high transverse momentum. Future data will provide a large sample of events with boosted Higgs boson topologies, allowing for a detailed understanding of…

The recent result on the third order correction to the Higgs boson production through gluon fusion by Anastasiou et al. [1] not only provides a precise prediction with reduced scale uncertainties for studying the Higgs boson properties but…

高能物理 - 唯象学 · 物理学 2015-05-28 Taushif Ahmed , Goutam Das , M. C. Kumar , Narayan Rana , V. Ravindran

The inclusive Higgs production cross section from gluon fusion is calculated through NNLO QCD, including its top quark mass dependence. This is achieved through a matching of the 1/mtop expansion of the partonic cross sections to the exact…

高能物理 - 唯象学 · 物理学 2010-05-28 Robert V. Harlander , Hendrik Mantler , Simone Marzani , Kemal J. Ozeren

Gluon-induced contributions to the associated production of a Higgs and a Z-boson are calculated with NLO accuracy in QCD. They constitute a significant contribution to the cross section for this process. The perturbative correction factor…

高能物理 - 唯象学 · 物理学 2015-06-12 Lukas Altenkamp , Stefan Dittmaier , Robert V. Harlander , Heidi Rzehak , Tom J. E. Zirke

We compute the next-to-next-to-leading order QCD corrections to Higgs boson production in weak boson fusion followed by its decay to a $b\bar b$ pair or to a pair of leptonically-decaying $W$ bosons. Our calculation allows us to compute…

高能物理 - 唯象学 · 物理学 2022-02-23 Konstantin Asteriadis , Fabrizio Caola , Kirill Melnikov , Raoul Röntsch

The cross section through gluon fusion is calculated for the production of the light neutral Higgs boson through next-to-leading order QCD within the Minimal Supersymmetric Standard Model. The quark-mediated contributions are taken into…

高能物理 - 唯象学 · 物理学 2011-12-06 Robert V. Harlander , Franziska Hofmann , Hendrik Mantler

We present a detailed phenomenological analysis of the production of a Standard Model Higgs boson in association with up to three jets. The Higgs is produced via gluon fusion, which is an irreducible background to the vector boson fusion…

高能物理 - 唯象学 · 物理学 2016-01-15 Nicolas Greiner , Stefan Hoeche , Gionata Luisoni , Marek Schonherr , Jan-Christopher Winter , Valery Yundin

The production of Higgs bosons in weak boson fusion has the second largest cross section among Higgs-production processes at the LHC. As such, this process plays an important role in detailed studies of Higgs interactions with vector…

高能物理 - 唯象学 · 物理学 2023-03-08 Konstantin Asteriadis , Fabrizio Caola , Kirill Melnikov , Raoul Röntsch

We present threshold enhanced N$^3$LO QCD corrections to inclusive Higgs production through bottom anti-bottom annihilation at hadron colliders using threshold resummed cross section. The resummed cross section is obtained using…

高能物理 - 唯象学 · 物理学 2015-06-22 Taushif Ahmed , Narayan Rana , V. Ravindran