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相关论文: Fully exclusive heavy quark-antiquark pair product…

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We present the precision predictions on the pair production of light, $CP$-even Higgs in weak vector boson fusion (VBF) up to the QCD next-to-next-to-leading-order (NNLO) at hadron colliders within the $CP$-conserving type-II…

高能物理 - 唯象学 · 物理学 2015-02-11 Li Wei-Hua , Zhang Ren-You , Ma Wen-Gan , Guo Lei , Ling Liu-Sheng , Li Xiao-Zhou

We present a fully-differential and high-precision calculation of top-quark pair-production and decay at the LHC, providing predictions for observables constructed from top-quark leptonic and $b$-flavoured jet final states. The calculation…

高能物理 - 唯象学 · 物理学 2017-09-20 Jun Gao , Andrew S. Papanastasiou

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

Higgs boson pair production in the massless quark-antiquark channel proceeds at leading order (LO) via electroweak boson loops. We calculate the next-to-leading order QCD corrections to this process. For the corresponding two-loop…

高能物理 - 唯象学 · 物理学 2026-01-26 Marco Bonetti , Gudrun Heinrich , Philipp Rendler , William J. Torres Bobadilla

The Higgs boson pair production at the LHC provides a probe to the Higgs boson self-coupling. The higher-order QCD corrections in this process are sizable and must be taken into account in comparison with data. Due to the small cross…

高能物理 - 唯象学 · 物理学 2025-03-28 Hai Tao Li , Zong-Guo Si , Jian Wang , Xiao Zhang , Dan Zhao

The decay of a light Higgs boson to bottom quarks is dominant and can be exploited for the discovery of the Higgs particle and the measurement of its properties at the LHC and future collider experiments. We perform a first computation of…

高能物理 - 唯象学 · 物理学 2015-05-30 Charalampos Anastasiou , Franz Herzog , Achilleas Lazopoulos

We present next-to-next-to-leading-order (NNLO) QCD corrections for Higgs production through bottom-quark annihilation (\bbH{}) matched to parton showers (NNLO+PS) using the \minnlo{} technique. The \minnlo{} method is adapted for the extra…

高能物理 - 唯象学 · 物理学 2024-07-15 Christian Biello , Aparna Sankar , Marius Wiesemann , Giulia Zanderighi

Top-antitop quark pairs belong to the most abundantly produced and precisely measurable heavy-particle signatures at hadron colliders and allow for crucial tests of the Standard Model and new-physics searches. Here we report on the…

高能物理 - 唯象学 · 物理学 2011-06-22 A. Denner , S. Dittmaier , S. Kallweit , S. Pozzorini

We consider the production of the Standard Model Higgs boson through the gluon fusion mechanism in hadron collisions. We present the next-to-next-to-leading order (NNLO) QCD result of the hard-collinear coefficient function for the…

高能物理 - 唯象学 · 物理学 2015-05-28 S. Catani , M. Grazzini

We present the computation of the double real and real-virtual contributions to top-antitop pair production in the quark-antiquark channel at leading colour. The $q \bar q \to t \bar{t} g$ amplitudes contributing to the real-virtual part…

高能物理 - 唯象学 · 物理学 2015-06-19 Gabriel Abelof , Aude Gehrmann-De Ridder , Philipp Maierhöfer , Stefano Pozzorini

We report the first complete calculation of QCD corrections to the production of a massive color-octet vector boson. Our next-to-leading-order (NLO) calculation includes both virtual corrections as well as corrections arising from the…

高能物理 - 唯象学 · 物理学 2015-03-19 R. Sekhar Chivukula , Arsham Farzinnia , Roshan Foadi , Elizabeth H. Simmons

We set up a formalism, within the antenna subtraction framework, for computing the production of a massive quark-antiquark pair in electron positron collisions at next-to-next-to-leading order in the coupling $\alpha_s$ of quantum…

高能物理 - 唯象学 · 物理学 2017-02-01 Long Chen , Oliver Dekkers , Dennis Heisler , Werner Bernreuther , Zong-Guo Si

We describe an effective-theory computation of the next-to-next-to-leading order (NNLO) QCD corrections to the gluon-fusion production of a Higgs boson in models with massive color-octet scalars in the (8,1)_0 representation. Numerical…

高能物理 - 唯象学 · 物理学 2010-12-13 Radja Boughezal , Frank Petriello

We generalize the next-to-leading order QCD calculations for the decay rates of $h\to gg$ and $h\to\gamma\gamma$ to the case of anomalous couplings of the Higgs boson. We demonstrate how this computation can be done in a consistent way…

高能物理 - 唯象学 · 物理学 2023-05-03 Gerhard Buchalla , Marius Höfer , Christoph Müller-Salditt

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

We consider the decay of a neutral Higgs boson of arbitrary CP nature to a massive quark antiquark pair at next-to-next-to-leading order in perturbative QCD. Our analysis is made at the differential level using the antenna subtraction…

高能物理 - 唯象学 · 物理学 2018-08-15 Werner Bernreuther , Long Chen , Zong-Guo Si

We present a new next-to-leading order calculation for fully differential single-top-quark final states. The calculation is performed using phase space slicing and dipole subtraction methods. The results of the methods are found to be in…

高能物理 - 唯象学 · 物理学 2008-11-26 B. W. Harris , E. Laenen , L. Phaf , Z. Sullivan , S. Weinzierl

The production of a top-antitop quark pair in association with a $W$ boson ($t\bar tW$) is one of the heaviest signatures currently probed at the Large Hadron Collider (LHC). Since the first observation reported in 2015 the corresponding…

We present the computation of the soft-parton contribution at low transverse momentum for the production of a heavy quark pair in association with a colour singlet at the next-to-next-to-leading order (NNLO) in the QCD coupling. This paper…

高能物理 - 唯象学 · 物理学 2025-09-23 Simone Devoto , Javier Mazzitelli

We present the first complete next-to-next-to-leading order (NNLO) QCD predictions for differential distributions in the top-quark pair production process at the LHC. Our results are derived from a fully differential partonic Monte Carlo…

高能物理 - 唯象学 · 物理学 2016-03-17 Michal Czakon , David Heymes , Alexander Mitov