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Related papers: $H \rightarrow b\overline{b}j$ at Next-to-Next-to-…

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We present a fully-differential calculation of the $H\rightarrow b\overline{b}$ decay at next-to-next- to-next-to-leading order (N$^3$LO) accuracy. Our calculation considers diagrams in which the Higgs boson couples directly to the bottom…

High Energy Physics - Phenomenology · Physics 2019-04-30 Roberto Mondini , Matthew Schiavi , Ciaran Williams

We present a next-to-next-to-leading order (NNLO) accurate description of associated HZ production, followed by the Higgs boson decay into a pair of $b$-quarks treated at next-to-leading order (NLO), consistently matched to a parton shower…

High Energy Physics - Phenomenology · Physics 2018-04-24 William Astill , Wojciech Bizon , Emanuele Re , Giulia Zanderighi

We compute the fully differential decay rate of the Standard Model Higgs boson into b-quarks at next-to-next-to-leading order (NNLO) accuracy in alpha_S. We employ a general subtraction scheme developed for the calculation of higher order…

High Energy Physics - Phenomenology · Physics 2016-08-08 Vittorio Del Duca , Claude Duhr , Gabor Somogyi , Francesco Tramontano , Zoltan Trocsanyi

In this paper we present a Next-to-Next-to Leading Order (NNLO) calculation of the production of a Higgs boson in association with a massive vector boson. We include the decays of the unstable Higgs and vector bosons, resulting in a fully…

High Energy Physics - Phenomenology · Physics 2016-07-20 John M. Campbell , R. Keith Ellis , Ciaran Williams

We present an analytical calculation of the next-to-next-to-leading order corrections to the partial decay width $H\to gg$ for a Higgs boson in the intermediate mass range. We apply an asymptotic expansion for $M_H\ll 2M_t$ and compute…

High Energy Physics - Phenomenology · Physics 2008-11-26 Marco Schreck , Matthias Steinhauser

We present the calculation of next-to-next-to-leading order (NNLO) corrections in perturbative QCD for the production of a Higgs boson decaying into a pair of bottom quarks in association with a leptonically decaying weak vector boson:…

High Energy Physics - Phenomenology · Physics 2020-01-08 R. Gauld , A. Gehrmann-De Ridder , E. W. N. Glover , A. Huss , I. Majer

We present improved predictions of a class of event-shape distributions called angularity for a contribution from an effective operator $H\to gg$ in Higgs hadronic decay that suffers from large perturbative uncertainties. In the frame of…

High Energy Physics - Phenomenology · Physics 2024-11-22 Jiawei Zhu , Yujin Song , Jun Gao , Daekyoung Kang , Tanmay Maji

The decay $B \to X_s \gamma$ is studied at the Next to Leading Order in QCD in a class of models containing at least two Higgs doublets and with only one charged Higgs boson non-decoupled at low-energy. The two-loop matching condition is…

High Energy Physics - Phenomenology · Physics 2011-01-05 F. Borzumati , C. Greub

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 uses the qT subtraction formalism and it is…

High Energy Physics - Phenomenology · Physics 2015-06-11 Leandro Cieri

This report describes the recent efforts to compute analytic formulae for the Next-to-Leading-Order (NLO) QCD corrections to Higgs plus two jet production at hadron colliders. In these calculations the Higgs boson couples to gluons via a…

High Energy Physics - Phenomenology · Physics 2014-11-20 Ciaran Williams

We present a computation of the next-to-next-to-leading order (NNLO) QCD corrections to the production of a Higgs boson in association with a W boson at the LHC and the subsequent decay of the Higgs boson into a b-bbar pair, treating the…

High Energy Physics - Phenomenology · Physics 2018-05-02 Fabrizio Caola , Gionata Luisoni , Kirill Melnikov , Raoul Röntsch

We study Higgs-boson production in association with a top-quark pair ($t\bar{t}H$) at hadron colliders and present the first matching of next-to-next-to-leading order (NNLO) QCD corrections to parton showers using the MiNNLOPS method. For…

High Energy Physics - Phenomenology · Physics 2026-03-09 Christian Biello , Chiara Savoini , Chiara Signorile-Signorile , Marius Wiesemann

We present predictions for the thrust distribution in hadronic decays of the Higgs boson at the next-to-leading order and the approximate next-to-next-to-leading order. The approximate NNLO corrections are derived from a factorization…

High Energy Physics - Phenomenology · Physics 2022-07-12 Jun Gao , Yinqiang Gong , Wan-Li Ju , Li Lin Yang

I compute the contributions of the one-loop single-real-emission amplitudes, $gg\to H g$, $qg\to H q$, etc., to inclusive Higgs boson production through next-to-next-to-next-to-leading order (N^3LO) in the strong coupling $\alpha_s$. The…

High Energy Physics - Phenomenology · Physics 2014-04-23 William B. Kilgore

We present for the first time the second-order corrections of pseudo-scalar($A$) Higgs decay to three parton to higher orders in the dimensional regulator. We compute the one and two-loop amplitudes for processes, $A\to ggg$ and $A\to…

High Energy Physics - Phenomenology · Physics 2026-01-30 Pulak Banerjee , Chinmoy Dey , M. C. Kumar , V. Ravindran

The calculation of precise predictions for Higgs decays is a necessary ingredient for determining Higgs properties at the LHC and future colliders. We compute all two- and three-body Higgs decays at next-to-leading order (NLO) in both QCD…

High Energy Physics - Phenomenology · Physics 2026-03-24 Luigi Bellafronte , Sally Dawson , Clara Del Pio , Matthew Forslund , Pier Paolo Giardino

In view of precision studies of the Higgs sector at the Run II of the LHC, the improvement of the accuracy of the theoretical prediction is becoming a pressing issue. In this framework, we detail a calculation of the full Next-to-Leading…

High Energy Physics - Phenomenology · Physics 2015-06-02 Stefano Boselli , Carlo M. Carloni Calame , Guido Montagna , Oreste Nicrosini , Fulvio Piccinini

We present predictions for hadronic decays of the Higgs boson at next-to-next-to-leading order (NNLO) in QCD matched with parton shower based on the POWHEG framework. Those include decays into bottom quarks with full bottom-quark mass…

High Energy Physics - Phenomenology · Physics 2021-11-01 YaLu Hu , ChuanLe Sun , Xiao-Min Shen , Jun Gao

We present a fully differential description of a decay of a scalar Higgs boson into massive b-quarks valid at next-to-next-to-leading order (NNLO) in perturbative quantum chromodynamics (QCD). We work within the nested soft-collinear…

High Energy Physics - Phenomenology · Physics 2020-02-19 Arnd Behring , Wojciech Bizon

We present the first determination of Higgs-boson decay to hadrons at the next-to-next-to-next-to-next-to-leading order of perturbative QCD in the limit of a heavy top quark and massless light flavours. This result has been obtained by…

High Energy Physics - Phenomenology · Physics 2017-10-06 F. Herzog , B. Ruijl , T. Ueda , J. A. M. Vermaseren , A. Vogt
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