English
Related papers

Related papers: $t\bar tH$ production in NNLO QCD

200 papers

This talk expands on recently published results for the factorising next-to-next-to-leading order (NNLO) QCD corrections to Higgs boson production in the vector boson fusion (VBF) channel. The calculation is fully differential in the…

High Energy Physics - Phenomenology · Physics 2018-07-23 Juan Cruz-Martinez , Nigel Glover , Thomas Gehrmann , Alexander Huss

We present a search for the production of a Higgs boson in association with a single top quark ($tHq$), using data samples collected by the CMS detector in $pp$ collisions at center-of-mass energy of 8 TeV corresponding to integrated…

High Energy Physics - Experiment · Physics 2015-10-06 Kenneth Bloom

We discuss the interplay between NLO QCD corrections and anomalous couplings in Higgs boson pair production via gluon fusion, within the framework of a non-linearly realised Effective Field Theory, described by the electroweak chiral…

High Energy Physics - Phenomenology · Physics 2018-08-01 Gerhard Buchalla , Alejandro Celis , Matteo Capozi , Gudrun Heinrich , Ludovic Scyboz

The threshold scan of top pair production at a future lepton collider allows to determine several Standard Model parameters with very high precision. The recent completion of the third-order QCD corrections to the inclusive top-pair…

High Energy Physics - Phenomenology · Physics 2015-11-04 Martin Beneke , Andreas Maier , Jan Piclum , Thomas Rauh

The processes e+e- -> t tbar/b bbar + Higgs allow to measure the Yukawa couplings between Higgs bosons and heavy quarks in supersymmetric theories. The complete set of next-to-leading order SUSY-QCD corrections to the cross sections of…

High Energy Physics - Phenomenology · Physics 2010-04-05 Petra Häfliger , Michael Spira

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 suggest some predictions for Standard Model Higgs boson production in association with gauge bosons in proton-proton collisions at sqrt(s) = 14 TeV. Our calculation includes the NLO QCD corrections to these processes using…

High Energy Physics - Phenomenology · Physics 2022-06-29 K. Djamaa , A. Mohamed-Meziani

We present next-to-next-to leading order (NNLO) quantum electrodynamics (QED) corrections to the production of the Higgs boson in bottom quark annihilation at the Large Hadron Collider (LHC) in the five flavor scheme. We have systematically…

High Energy Physics - Phenomenology · Physics 2019-12-18 Ajjath A H , Pulak Banerjee , Amlan Chakraborty , Prasanna K. Dhani , Pooja Mukherjee , Narayan Rana , V. Ravindran

We compute fully differential next-to-leading order QCD cross-sections for Higgs boson production via gluon fusion in the Standard Model. We maintain the full dependence of the cross-sections on the top and bottom quark mass. We find that…

High Energy Physics - Phenomenology · Physics 2009-11-05 Charalampos Anastasiou , Stefan Bucherer , Zoltan Kunszt

In these proceedings we present the calculation of NLO QCD corrections to $pp\to t\bar{t}jj$ in the dilepton decay channel. The narrow width approximation is used to model the decays of the top quark pair preserving spin correlations. Jet…

High Energy Physics - Phenomenology · Physics 2023-09-27 Daniel Stremmer

We study the production of a W boson in association with a c-jet at the LHC. We calculate, for the first time, the complete set of NNLO QCD corrections to the dominant CKM-diagonal contribution to this process. Both signatures, ${\rm p}{\rm…

High Energy Physics - Phenomenology · Physics 2021-08-09 Michał Czakon , Alexander Mitov , Mathieu Pellen , Rene Poncelet

We present a detailed study of Higgs boson production in association with a single top quark at the LHC, at next-to-leading order accuracy in QCD. We consider total and differential cross sections, at the parton level as well as by matching…

High Energy Physics - Phenomenology · Physics 2015-06-23 Federico Demartin , Fabio Maltoni , Kentarou Mawatari , Marco Zaro

We consider Higgs production through bottom-quark annihilation at hadron colliders and we calculate next-to-next-to-leading-order (NNLO) corrections in QCD perturbation theory matched to parton showers (NNLO+PS). To this end, we have…

High Energy Physics - Phenomenology · Physics 2024-02-07 Christian Biello , Aparna Sankar , Marius Wiesemann , Giulia Zanderighi

We report on the first fully differential calculation for double Higgs boson production through gluon fusion in hadron collisions up to next-to-next-to-leading order (NNLO) in QCD perturbation theory. The calculation is performed in the…

We compute QCD corrections to the production of a ttbar pair in association with a hard photon at the Tevatron and the LHC. This process allows a direct measurement of the top quark electromagnetic couplings that, at the moment, are only…

High Energy Physics - Phenomenology · Physics 2015-03-18 Kirill Melnikov , Andreas Scharf , Markus Schulze

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

In this paper we study the Single Top and W boson associated photoproduction via the main reaction $\rm pp\rightarrow p\gamma p\rightarrow pW^{\pm}t+Y$ at the 14 TeV Large Hadron Collider (LHC) up to next-to-leading order (NLO) QCD level…

High Energy Physics - Phenomenology · Physics 2015-06-22 Hao Sun , Wei Liu , Xiao-Juan Wang , Ya-Jin Zhou , Hong-Sheng Hou

We present updated inclusive cross sections for electroweak Higgs boson pair production for energies of relevance to the LHC and High-Luminosity phase of the LHC. The cross sections are presented at N$^3$LO QCD+NLO EW for vector-boson…

High Energy Physics - Phenomenology · Physics 2026-03-04 Ramona Gröber , Alexander Karlberg , Mathieu Pellen , Gioia Sacchi , Michael Spira

We compute the next-to-next-to-leading order QCD corrections for Standard Model Higgs boson pair production inclusive cross section at hadron colliders within the large top-mass approximation. We provide numerical results for the LHC,…

High Energy Physics - Phenomenology · Physics 2013-12-24 Daniel de Florian , Javier Mazzitelli

In the framework of the littlest Higgs model with $T$ parity, we study the $W_H/Z_H+q_-$ and $W_H$-pair productions at the CERN Large Hadron Collider up to the QCD next-to-leading order (NLO). The kinematic distributions of final decay…

High Energy Physics - Phenomenology · Physics 2014-06-11 Guo Lei , Zhang Ren-You , Ma Wen-Gan