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相关论文: Virtual corrections to $gg\to ZH$ via a transverse…

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We propose a new method to calculate analytically higher-order perturbative corrections and we apply it to the calculation of the two-loop virtual corrections to Higgs pair production through gluon fusion. The method is based on the…

高能物理 - 唯象学 · 物理学 2018-11-26 Roberto Bonciani , Giuseppe Degrassi , Pier Paolo Giardino , Ramona Gröber

We consider the next-to-leading order QCD corrections to Higgs boson pair production, using our recent calculation of the form factors in the high-energy limit. We compute the virtual corrections to the partonic cross section, applying…

高能物理 - 唯象学 · 物理学 2020-01-08 Joshua Davies , Gudrun Heinrich , Stephen P. Jones , Matthias Kerner , Go Mishima , Matthias Steinhauser , David Wellmann

We present a calculation of the next-to-leading order QCD corrections to the production of Higgs boson pairs in gluon fusion keeping the full dependence on the mass of the top quark. The virtual corrections, involving two-loop integrals…

高能物理 - 唯象学 · 物理学 2016-11-10 Matthias Kerner

The virtual corrections to $gg\to HH$ and $gg\to ZH$ are analytically evaluated combining an expansion in the small transverse momentum of the final particles with an expansion valid at high energies. The two expansion methods describe…

高能物理 - 唯象学 · 物理学 2022-07-19 Luigi Bellafronte , Giuseppe Degrassi , Pier Paolo Giardino , Ramona Gröber , Marco Vitti

We compute the next-to-leading order virtual QCD corrections to Higgs pair production via gluon fusion. We present analytic results for the two-loop contributions to the spin-0 and spin-2 form factors in the amplitude. The reducible…

高能物理 - 唯象学 · 物理学 2016-08-24 Giuseppe Degrassi , Pier Paolo Giardino , Ramona Gröber

We report on the calculation of virtual processes contributing to the production of a Higgs boson and two jets in hadron-hadron collisions. The coupling of the Higgs boson to gluons, via a virtual loop of top quarks, is treated using an…

高能物理 - 唯象学 · 物理学 2014-11-18 R. K. Ellis , W. T. Giele , G. Zanderighi

In this paper we compute the QCD corrections for the triple Higgs boson production cross section via gluon fusion, within the heavy-top approximation. We present, for the first time, analytical results for the next-to-leading order…

高能物理 - 唯象学 · 物理学 2017-03-08 Daniel de Florian , Javier Mazzitelli

We compute the next-to-leading order virtual corrections to the partonic cross-section of the process $gg\to ZH$, in the high-energy and large-$m_t$ limits. We use Pad\'e approximants to increase the radius of convergence of the high-energy…

高能物理 - 唯象学 · 物理学 2021-03-17 Joshua Davies , Go Mishima , Matthias Steinhauser

We present state-of-the-art predictions for the inclusive cross section of gluon-initiated $ZH$ production, following the recommendations of the LHC Higgs Working Group. In particular, we include NLO QCD corrections, where the virtual…

We present the fully analytical result for the next-to-next-to-leading nonfactorizable QCD corrections to Higgs boson production via vector boson fusion computed to the leading power in the ratio of the jet transverse momentum to the…

高能物理 - 唯象学 · 物理学 2023-05-09 Logan Gates

We present the cross-section for the production of a Higgs boson at hadron-colliders at next-to- next-to-next-to-leading order (N3LO) in perturbative QCD. The calculation is based on a method to perform a series expansion of the partonic…

高能物理 - 唯象学 · 物理学 2015-06-03 Charalampos Anastasiou , Claude Duhr , Falko Dulat , Franz Herzog , Bernhard Mistlberger

We present the virtual corrections due to the top-quark loops for the process $gg \to ZZ$ at next-to-leading order in QCD. The associated two-loop box diagrams are computed using a small-transverse-momentum expansion. Our results are then…

高能物理 - 唯象学 · 物理学 2024-04-24 Giuseppe Degrassi , Ramona Gröber , Marco Vitti

Non-factorizable virtual corrections to Higgs boson production in weak boson fusion at next-to-next-to-leading order in QCD were estimated in the eikonal approximation [1]. This approximation corresponds to the expansion of relevant…

高能物理 - 唯象学 · 物理学 2023-07-26 Ming-Ming Long , Kirill Melnikov , Jérémie Quarroz

We present the two-loop virtual corrections to Standard Model Higgs boson pair production via gluon fusion $gg\to HH$ in the heavy top quark limit. Based on this result, we evaluate the corresponding cross section at the LHC at 14 TeV in…

高能物理 - 唯象学 · 物理学 2013-07-12 Daniel de Florian , Javier Mazzitelli

We compute the mixed QCD-electroweak corrections to the cross section for the production of a Higgs boson via gluon fusion, in the limit of a small mass of the electroweak gauge bosons. This limit is regular and we calculate it by setting…

In this letter we present the three-loop virtual corrections to the Higgs boson production in the gluon fusion channel where finite top quark mass effects are taken into account. We perform an asymptotic expansion and manage to evaluate…

高能物理 - 唯象学 · 物理学 2009-09-28 Alexey Pak , Mikhail Rogal , Matthias Steinhauser

We compute the next-to-leading order QCD corrections to the production of Higgs bosons with large transverse momentum $p_\perp \gg 2 m_t$ at the LHC. To accomplish this, we combine the two-loop amplitudes for processes $gg \to Hg$, $qg \to…

高能物理 - 唯象学 · 物理学 2018-06-01 Kirill Kudashkin , Jonas M. Lindert , Kirill Melnikov , Christopher Wever

We compute two-loop corrections to the associated production of a Higgs boson with a $Z$ boson and to off-shell $Z$ boson pair production in the gluon fusion channel, mediated by a heavy quark. We perform deep expansions in the high-energy…

高能物理 - 唯象学 · 物理学 2025-09-10 Joshua Davies , Dominik Grau , Kay Schönwald , Matthias Steinhauser , Daniel Stremmer , Marco Vitti

Using methods from effective field theory, we have recently developed a novel, systematic framework for the calculation of the cross sections for electroweak gauge-boson production at small and very small transverse momentum q_T, in which…

高能物理 - 唯象学 · 物理学 2015-06-12 Thomas Becher , Matthias Neubert , Daniel Wilhelm

We compute the QCD corrections at next-to-leading order for the process $gg \rightarrow ZH$, including both the virtual two-loop terms and real-emission contributions. The two-loop box diagrams in the virtual corrections are approximated…

高能物理 - 唯象学 · 物理学 2022-08-24 Giuseppe Degrassi , Ramona Gröber , Marco Vitti , Xiaoran Zhao
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