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Related papers: One-loop weak corrections to Higgs production

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We compute analytic results for the QCD corrections to Higgs boson production via gluon fusion in hadronic collisions in the limit in which the top quark is much heavier than the Higgs boson. The first non-leading corrections of…

High Energy Physics - Phenomenology · Physics 2009-10-22 S. Dawson , R. Kauffman

We present a complete next-to-leading order (NLO) calculation for the total cross section of inclusive Higgs pair production via bottom-quark fusion ($b\bar{b} \to hh$) at the CERN Large Hadron Collider (LHC) in the Standard Model. The NLO…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sally Dawson , Chung Kao , Yili Wang , Peter Williams

We calculate the order O(alpha^2 alpha_s^3) interference effect between the gluon fusion and weak boson fusion processes allowed at the one-loop level in Higgs boson plus 2 jet production at the LHC. The corresponding one-loop amplitudes,…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. R. Andersen , T. Binoth , G. Heinrich , J. M. Smillie

We compute the two-loop electroweak corrections due to the top quark to the gluon fusion production cross section of an intermediate-mass Higgs boson. This result, together with the previously known contribution due to the light fermions,…

High Energy Physics - Phenomenology · Physics 2011-01-13 Giuseppe Degrassi , Fabio Maltoni

The calculation of the NNLO QCD corrections to the partonic process gg -> H is outlined. For the coupling of the Higgs boson to the gluons we use an effective Lagrangian in the limit of a heavy top quark. The focus is on the evaluation of…

High Energy Physics - Phenomenology · Physics 2009-10-31 Robert Harlander , William Kilgore

The dominant contribution to the Higgs production in association with bottom quark pair at the LHC is gluon-gluon fusion parton subprocess. We present a complete calculation of the next-to-leading order (NLO) electroweak (EW) corrections to…

High Energy Physics - Phenomenology · Physics 2018-01-03 Yu Zhang

We consider one-loop amplitudes of a Higgs boson coupled to gluons in the limit of a large top quark mass. We treat the Higgs as the real part of a complex field phi that couples to the self-dual field strengths and compute the one-loop…

High Energy Physics - Phenomenology · Physics 2010-01-22 Simon Badger , E. W. Nigel Glover , Pierpaolo Mastrolia , Ciaran Williams

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…

High Energy Physics - Phenomenology · Physics 2010-05-28 Robert V. Harlander , Hendrik Mantler , Simone Marzani , Kemal J. Ozeren

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…

High Energy Physics - Phenomenology · Physics 2026-01-26 Marco Bonetti , Gudrun Heinrich , Philipp Rendler , William J. Torres Bobadilla

We compute the contribution of three-loop mixed QCD-electroweak corrections ($\alpha_S^2\alpha^2$) to the $gg \to H$ scattering amplitude. We employ the method of differential equations to compute the relevant integrals and express them in…

High Energy Physics - Phenomenology · Physics 2018-05-10 Marco Bonetti , Kirill Melnikov , Lorenzo Tancredi

The Higgs boson production in association with a pair of W-bosons at the Large Hadron Collider(LHC) can be used to probe the coupling between Higgs boson and vector gauge bosons and discover the signature of new physics. We describe the…

High Energy Physics - Phenomenology · Physics 2009-11-20 Song Mao , Ma Wen-Gan , Zhang Ren-You , Guo Lei , Wang Shao-Ming , Han Liang

We obtain the two-loop QCD corrections to the Higgs plus three-parton amplitudes with dimension-seven operators in Higgs effective field theory. This provides the two-loop S-matrix elements for Higgs plus one-jet production at the LHC with…

High Energy Physics - Phenomenology · Physics 2020-03-18 Qingjun Jin , Gang Yang

We present the calculation of the next-to-leading contribution of order $\alpha_S^2\alpha^2$ to the production of a Standard Model Higgs boson in association with a top-quark pair at hadron colliders. All effects of weak and QCD origin are…

High Energy Physics - Phenomenology · Physics 2015-06-22 S. Frixione , V. Hirschi , D. Pagani , H. -S. Shao , M. Zaro

In these proceedings, we report recent progress of theoretical predictions for loop-induced Higgs boson production at the Large Hadron Collider (LHC). Our contributions include the next-to-leading order (NLO) QCD and electroweak corrections…

High Energy Physics - Phenomenology · Physics 2025-04-15 Hantian Zhang

We study the associated production of an electroweak vector boson and the Higgs boson with a jet via gluon-gluon fusion. At the leading order, these processes occur at one-loop level. The amplitudes of these one-loop processes are gauge…

High Energy Physics - Phenomenology · Physics 2018-05-09 Pankaj Agrawal , Ambresh Shivaji

In this paper we determine the weak-interaction corrections of order $\alpha_s^2\alpha$ to hadronic top-quark pair production. First we compute the one-loop weak corrections to $t \bar t$ production due to gluon fusion and the order…

High Energy Physics - Phenomenology · Physics 2008-11-26 Werner Bernreuther , Michael Fuecker , Zong-Guo Si

In models with an enhanced coupling of the Higgs boson to the bottom quark, the dominant production mechanism in hadronic collisions is often the partonic sub-process, bg ->bH. We derive the weak corrections to this process and show that…

High Energy Physics - Phenomenology · Physics 2015-03-13 S. Dawson , P. Jaiswal

We present NLO electroweak corrections to Higgs production in association with off-shell top-antitop quark pairs. The full process $\text{p}\text{p}\to\text{e}^+\nu_{\text{e}} \mu^-\bar{\nu}_\mu\text{b}\bar{\text{b}} \text{H}$ is…

High Energy Physics - Phenomenology · Physics 2017-02-15 Ansgar Denner , Jean-Nicolas Lang , Mathieu Pellen , Sandro Uccirati

We compute the next-to-leading order (NLO) QCD corrections to the $gg \to W^+ W^- \to l^+_1 \nu_1 l^-_2 \bar \nu_2$ process, mediated by a massless quark loop, at the LHC. This process first contributes to the hadroproduction of $W^+W^-$ at…

High Energy Physics - Phenomenology · Physics 2016-01-27 Fabrizio Caola , Kirill Melnikov , Raoul Röntsch , Lorenzo Tancredi

We compute QCD corrections to the processes $e^+e^-\to t \bar t h^0$ and $pp\to t \bar t h^0$ by treating the Higgs boson as a parton which radiates off a heavy quark. This approximatiion is valid in the limits $M_h<<M_t$ and $M_h,…

High Energy Physics - Phenomenology · Physics 2009-10-30 S. Dawson , L. Reina