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Related papers: The $Hb\bar{b}$ form factor to three loops in QCD

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The associated production of a Higgs boson and a top-quark pair is important for probing the Yukawa coupling of the top quark, and calls for better theoretical modeling. In this paper, we calculate the two-loop infrared divergences in…

High Energy Physics - Phenomenology · Physics 2022-09-20 Jiaqi Chen , Chichuan Ma , Guoxing Wang , Li Lin Yang , Xiaoping Ye

The exclusive production of $J/\psi$ through Higgs boson radiative decay may serve a clean channel to extracting the charm quark Yukawa coupling. We calculate the two-loop QCD corrections to $H\rightarrow J/\psi(\Upsilon)+\gamma$ using an…

High Energy Physics - Phenomenology · Physics 2024-09-02 Yu Jia , Zhewen Mo , Jia-Yue Zhang

The production of a Higgs boson in association with a top-antitop quark pair ($t\bar{t}H$) holds significant importance in directly probing the top-quark Yukawa coupling, which is related to various fundamental questions in high energy…

High Energy Physics - Phenomenology · Physics 2024-02-02 Guoxing Wang , Tianya Xia , Li Lin Yang , Xiaoping Ye

We argue that the leading-order subprocess for Higgs-boson production in association with bottom quarks is (b\bar{b} -> H). This process is an important source of Higgs bosons with enhanced Yukawa coupling to bottom quarks. We calculate the…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Dicus , T. Stelzer , Z. Sullivan , S. Willenbrock

We derive two-loop scattering amplitudes for bottom-quark pair production in association with a Higgs boson at the LHC, focusing on terms proportional to the top-quark Yukawa coupling. We treat the bottom quark as a massless parton and…

High Energy Physics - Phenomenology · Physics 2026-04-01 Heribertus Bayu Hartanto , Rene Poncelet

In this contribution we present our recent computation of the NNLO QCD corrections to the production of a Higgs boson associated with a top-antitop quark pair. This process is of great importance since it allows for a direct measurement of…

High Energy Physics - Phenomenology · Physics 2023-10-10 Simone Devoto

The effective bottom Yukawa couplings are analyzed for the minimal supersymmetric extension of the Standard Model at two-loop accuracy within SUSY-QCD. They include the resummation of the dominant corrections for large values of tg(beta).…

High Energy Physics - Phenomenology · Physics 2011-06-24 David Noth , Michael Spira

The Higgs boson decay to a massive bottom quark pair provides the dominant contribution to the Higgs boson width. We present an exact result for such a decay induced by the bottom quark Yukawa coupling with next-to-next-to-leading order…

High Energy Physics - Phenomenology · Physics 2024-03-13 Jian Wang , Yefan Wang , Da-Jiang Zhang

We consider the virtual corrections to Higgs boson pair production at next-to-next-to-leading order, in the large top quark mass limit. We compute five expansion terms for the box-type form factors and eight expansion terms for the triangle…

High Energy Physics - Phenomenology · Physics 2020-01-08 Joshua Davies , Matthias Steinhauser

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…

High Energy Physics - Phenomenology · Physics 2017-03-08 Daniel de Florian , Javier Mazzitelli

We calculate the correction to $\qbq\to\tbt$ of order $\gmm$. This correction, proportional to the square of the Higgs-boson Yukawa coupling to the top quark, arises from loops of Higgs bosons and the scalar component of virtual vector…

High Energy Physics - Phenomenology · Physics 2009-10-22 Alan Stange , Scott Willenbrock

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…

High Energy Physics - Phenomenology · Physics 2015-06-22 Taushif Ahmed , Narayan Rana , V. Ravindran

We consider electroweak corrections to Higgs boson pair production, taking into account the top quark Yukawa and Higgs boson self couplings. Using differential equations we compute a deep expansion of all master integrals in the high-energy…

High Energy Physics - Phenomenology · Physics 2025-01-31 Joshua Davies , Kay Schönwald , Matthias Steinhauser , Hantian Zhang

We study QCD corrections to the process where a Higgs boson is produced in weak boson fusion and then decays into a pair of massive $b$ quarks. We find that typical experimental criteria used to identify $b$ jets in this process affect QCD…

High Energy Physics - Phenomenology · Physics 2024-07-15 Konstantin Asteriadis , Arnd Behring , Kirill Melnikov , Ivan Novikov , Raoul Röntsch

Spin-2 fields are often candidates in physics beyond the Standard Model namely the models with extra-dimensions where spin-2 Kaluza-Klein gravitons couple to the fields of the SM. Also, in the context of Higgs searches, spin-2 fields have…

High Energy Physics - Phenomenology · Physics 2016-01-27 Taushif Ahmed , Goutam Das , Prakash Mathews , Narayan Rana , V. Ravindran

The associated production of a Higgs boson with a b quark is a discovery mode for an MSSM Higgs boson at large tan beta. We compute the SUSY QCD corrections from gluino and squark loops to this process and combine them with the order…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Dawson , C. B. Jackson

We compute the O(alpha_s) QCD corrections to the inclusive process e^+e^- --> t \bar t h. Although the total rate is small, it has a distinctive experimental signature and can potentially be used to measure the top quark-Higgs boson Yukawa…

High Energy Physics - Phenomenology · Physics 2009-10-31 Sally Dawson , Laura Reina

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…

High Energy Physics - Phenomenology · Physics 2020-11-17 Claude Duhr , Falko Dulat , Bernhard Mistlberger

Higgs-boson production in association with bottom quarks, ppbar/pp -> b bbar H + X, is one of the most important discovery channels for supersymmetric Higgs particles at the Tevatron and the LHC. We have calculated the next-to-leading order…

High Energy Physics - Phenomenology · Physics 2010-04-06 Stefan Dittmaier , Michael Krämer , Michael Spira

We study the decay of the SM Higgs boson to a massive charm quark pair at the next-to-next-to-leading order QCD and next-to-leading order electroweak. At the second order of QCD coupling, we consider the exact calculation of flavour-singlet…

High Energy Physics - Phenomenology · Physics 2021-08-17 Shi-Yuan Li , Zhen-Yang Li , Peng-Cheng Lu , Zong-Guo Si