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We present the next-to-next-to-leading order (NNLO) corrections to the total cross section for (pseudo-) scalar Higgs boson production using an alternative method than those used in previous calculations. All QCD partonic subprocesses have…

High Energy Physics - Phenomenology · Physics 2011-05-05 V. Ravindran , J. Smith , W. L. van Neerven

We present the calculation of the full next-to-leading order (NLO) QCD corrections to Higgs boson pair production via gluon fusion at the LHC, including the exact top-mass dependence in the two-loop virtual and one-loop real corrections.…

High Energy Physics - Phenomenology · Physics 2019-06-17 Julien Baglio , Francisco Campanario , Seraina Glaus , Margarete Mühlleitner , Michael Spira , Juraj Streicher

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

The production cross section for pseudo-scalar Higgs bosons at hadron colliders is computed at next-to-next-to-leading order (NNLO) in QCD. The pseudo-scalar Higgs is assumed to couple only to top quarks. The NNLO effects are evaluated…

High Energy Physics - Phenomenology · Physics 2011-01-13 Robert V. Harlander , William B. Kilgore

The complete next-to-leading order (NLO) QCD corrections to charged Higgs boson associated production with top quark through $b g \to tH^{-}$ at the CERN Large Hadron Collider are calculated in the minimal supersymmetric standard model…

High Energy Physics - Phenomenology · Physics 2009-11-07 Shou-hua Zhu

We consider soft gluon emission corrections to the production of a top-antitop pair in association with a Higgs boson at hadron colliders. In particular, we present a soft-gluon resummation formula for this production process and gather all…

High Energy Physics - Phenomenology · Physics 2016-04-20 Alessandro Broggio , Andrea Ferroglia , Ben D. Pecjak , Adrian Signer , Li Lin Yang

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

Higgs-pair production via gluon fusion is the dominant production mechanism of Higgs-boson pairs at hadron colliders. In this work, we present details of our numerical determination of the full next-to-leading-order (NLO) QCD corrections to…

High Energy Physics - Phenomenology · Physics 2020-05-01 J. Baglio , F. Campanario , S. Glaus , M. M. Muhlleitner , J. Ronca , M. Spira , J. Streicher

We consider power corrections due to a finite top quark mass M_t to the production of a Higgs boson pair within the Standard Model at next-to-leading order (NLO) in QCD. Previous calculations for this process and at this precision were done…

High Energy Physics - Phenomenology · Physics 2014-07-28 Jonathan Grigo , Jens Hoff

We investigate the resummation effects in the Standard Model Higgs boson pair production through gluon-gluon fusion at the LHC with soft-collinear effective theory. We calculate the total cross section and the invariant mass distribution at…

High Energy Physics - Phenomenology · Physics 2013-08-01 Ding Yu Shao , Chong Sheng Li , Hai Tao Li , Jian Wang

We perform the all orders resummation of threshold enhanced contributions for the Higgs boson pair production cross section via gluon fusion, including finite top quark mass ($M_t$) effects. We present results for the total cross section…

High Energy Physics - Phenomenology · Physics 2018-09-26 Daniel de Florian , Javier Mazzitelli

We present the most precise value for the Higgs boson cross-section in the gluon-fusion production mode at the LHC. Our result is based on a perturbative expansion through N$^3$LO in QCD, in an effective theory where the top-quark is…

We consider top-quark mass effects in the Higgs-interference contribution to $Z$-boson pair production in gluon fusion. While this production mechanism is formally of next-to-next-to leading order, its contribution is numerically important…

High Energy Physics - Phenomenology · Physics 2019-12-12 Ramona Gröber , Andreas Maier , Thomas Rauh

We present predictions for gluon-fusion Higgs boson production in association with one jet at next-to-leading order in QCD. The calculation is performed retaining the full dependence on the top-quark mass. The two-loop integrals appearing…

High Energy Physics - Phenomenology · Physics 2018-07-20 Matthias Kerner

We discuss the next-to-next-to-leading order (NNLO) corrections to the total cross section for (pseudo-) scalar Higgs boson production. The computation is carried out in the effective Lagrangian approach which emerges from the standard…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. Ravindran , J. Smith , W. L. van Neerven

We consider Higgs boson pair production via gluon fusion in hadronic collisions. We report the calculation of the transverse-momentum ($q_T$) distribution of the Higgs boson pair with top-quark mass ($M_t$) effects fully taken into account.…

High Energy Physics - Phenomenology · Physics 2017-03-09 Giancarlo Ferrera , Joao Pires

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

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 present the calculation of the cross section for Higgs boson production in association with a top quark pair plus one jet, at next-to-leading-order (NLO) accuracy in QCD. All mass dependence is retained without recurring to any…

High Energy Physics - Phenomenology · Physics 2014-11-19 Hans van Deurzen , Gionata Luisoni , Pierpaolo Mastrolia , Edoardo Mirabella , Giovanni Ossola , Tiziano Peraro

The evaluation of the top quark mass suppressed terms to the Higgs production cross section in gluon fusion at next-to-next-to-leading order is reported on. In the region below threshold, the Feynman diagrams are evaluated using asymptotic…

High Energy Physics - Phenomenology · Physics 2010-01-19 Robert Harlander , Hendrik Mantler , Simone Marzani , Kemal Ozeren