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A calculation of the total cross section for top quark production in hadron-hadron collisions is presented based on an all-orders perturbative resummation of initial-state gluon radiative contributions to the basic quantum chromodynamics…

High Energy Physics - Phenomenology · Physics 2008-02-03 Edmond L. Berger , Harry Contopanagos

We derive the second-order QCD corrections to the production of a Higgs boson recoiling against a parton with finite transverse momentum, working in the effective field theory in which the top quark contributions are integrated out. To…

High Energy Physics - Phenomenology · Physics 2016-10-17 X. Chen , J. Cruz-Martinez , T. Gehrmann , E. W. N. Glover , M. Jaquier

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 construct an accurate approximation to the exact NNLO cross section for Higgs production in gluon-gluon fusion by matching the dominant finite top mass corrections recently computed by us to the known result in the infinite mass limit.…

High Energy Physics - Phenomenology · Physics 2009-02-24 Simone Marzani , Richard D. Ball , Vittorio Del Duca , Stefano Forte , Alessandro Vicini

Higgs-boson production in association with bottom quarks is an important discovery channel for supersymmetric Higgs particles at hadron colliders for large values of tan(beta). We present the complete O(alpha) electroweak and O(alpha_s)…

High Energy Physics - Phenomenology · Physics 2009-11-11 Stefan Dittmaier , Michael Krämer , Alexander Mück , Tobias Schlüter

Bottom quark-induced processes are responsible for a large fraction of the LHC discovery potential, in particular for supersymmetric Higgs bosons. Recently, the discrepancy between exclusive and inclusive Higgs boson production rates has…

High Energy Physics - Phenomenology · Physics 2011-07-19 Eduard Boos , Tilman Plehn

Using next-to-leading-log calculations of Higgs production and hadronic two photon production, a signal and background study in the intermediate mass range of the Higgs boson is done for $\sqrt{s}=$ 40 and 14 TeV. The effects of realistic…

High Energy Physics - Phenomenology · Physics 2009-10-22 Bob Bailey , Dirk Graudenz

We compute the hadronic production of top-antitop pairs in association with a Higgs boson at next-to-leading-order QCD, including the decay of the top and antitop quark into bottom quarks and leptons. Our computation is based on full…

High Energy Physics - Phenomenology · Physics 2016-01-27 Ansgar Denner , Robert Feger

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

We study the production of a Standard Model Higgs boson in the gluon-fusion channel at the 13 TeV LHC. Our results are accurate to the next-to-leading order in QCD, bar for the lack of some two-loop amplitudes, for up to two extra jets and…

High Energy Physics - Phenomenology · Physics 2016-08-24 Rikkert Frederix , Stefano Frixione , Eleni Vryonidou , Marius Wiesemann

We describe the contributions of virtual corrections and soft gluon emission to the inclusive Higgs boson production cross section $pp\to H + X$ computed at next-to-next-to-leading order in the heavy top quark limit. We also discuss…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert V. Harlander , William B. Kilgore

We compute the O(alpha_s^3) inclusive cross section for the process pp -> t-tbar-h in the Standard Model, at sqrt(s)=14 TeV. The next-to-leading order corrections drastically reduce the renormalization and factorization scale dependence of…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Dawson , L. H. Orr , L. Reina , D. Wackeroth

We briefly present the status of QCD corrections to the inclusive total cross section for the production of a Higgs boson in association with a top-quark pair within the Standard Model at hadron colliders.

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Dawson , L. Orr , L. Reina , D. Wackeroth

In this contribution we report on the calculation of the next-to-leading order (NLO) QCD corrections to the hadro-production of heavy neutral Higgs bosons and their decay into top-quark pairs within the type-II two-Higgs-doublet extension…

High Energy Physics - Phenomenology · Physics 2016-11-28 Werner Bernreuther , Peter Galler , Clemens Mellein , Zong-Guo Si , Peter Uwer

The associated production of a Higgs boson with a top-antitop quark pair is a crucial process at the LHC since it allows for a direct measurement of the top-quark Yukawa coupling. We present the computation of the radiative corrections to…

High Energy Physics - Phenomenology · Physics 2023-03-29 Stefano Catani , Simone Devoto , Massimiliano Grazzini , Stefan Kallweit , Javier Mazzitelli , Chiara Savoini

We compute the production cross section of a pair of Standard Model Higgs bosons at the LHC at next-to-leading order in QCD, including corrections in inverse powers of the top quark mass. We calculate these power corrections through ${\cal…

High Energy Physics - Phenomenology · Physics 2015-06-16 Jonathan Grigo , Jens Hoff , Kirill Melnikov , Matthias Steinhauser

Crucial information on the coupling of the Higgs boson to bottom quarks is expected from Higgs production in association with a forward tagging jet at a future high-energy lepton-proton collider. In order to control the theoretical…

High Energy Physics - Phenomenology · Physics 2010-05-28 B. Jager

The main production mechanism for supersymmetric Higgs particles at hadron colliders crucially depends on the size of their Yukawa couplings to bottom quarks. For sufficiently large tan(beta) the total cross section for some of the neutral…

High Energy Physics - Phenomenology · Physics 2007-10-15 Alexander Mück

We discuss various aspects of inclusive top-quark pair production based on TOPIXS, a new, flexible program that computes the production cross section at the Tevatron and LHC at next-to-next-to-leading logarithmic accuracy in soft and…

High Energy Physics - Phenomenology · Physics 2012-08-09 M. Beneke , P. Falgari , S. Klein , J. Piclum , C. Schwinn , M. Ubiali , F. Yan

We calculate the next-to-leading order correction to the impact factor (vertex) for the production of a forward Higgs boson, obtained in the infinite top-mass limit. We present the result both in the momentum representation and as…

High Energy Physics - Phenomenology · Physics 2022-10-21 Francesco Giovanni Celiberto , Michael Fucilla , Dmitry Yu. Ivanov , Mohammed M. A. Mohammed , Alessandro Papa