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We construct an approximate expression for the cross section for Higgs production in gluon fusion at next-to-next-to-next-to-leading order (N$^3$LO) in $\alpha_s$ with finite top mass. We argue that an accurate approximation can be…

High Energy Physics - Phenomenology · Physics 2014-07-04 Richard D. Ball , Marco Bonvini , Stefano Forte , Simone Marzani , Giovanni Ridolfi

We study the production of scalar and pseudoscalar Higgs bosons via gluon fusion and bottom-quark annihilation in the MSSM. Relying on the NNLO-QCD calculation implemented in the public code SusHi, we provide precise predictions for the…

High Energy Physics - Phenomenology · Physics 2014-06-30 E. Bagnaschi , R. V. Harlander , S. Liebler , H. Mantler , P. Slavich , A. Vicini

We study the production of a Higgs boson in association to a top-antitop pair at the Large Hadron Collider. We show how precise predictions for the differential distributions with respect to the transverse momentum of the Higgs boson, to…

High Energy Physics - Phenomenology · Physics 2017-10-25 Alessandro Broggio , Andrea Ferroglia , Miguel C. N. Fiolhais , Antonio Onofre

We present updated predictions for the total cross section for Higgs boson production by gluon--gluon fusion in hadron collisions. Our calculation includes the most advanced theoretical information available at present for this observable:…

High Energy Physics - Phenomenology · Physics 2009-11-19 D. de Florian , M. Grazzini

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

We present the cross-section for the production of a Higgs boson at hadron-colliders at next-to- next-to-next-to-leading order (N3LO) in perturbative QCD. The calculation is based on a method to perform a series expansion of the partonic…

High Energy Physics - Phenomenology · Physics 2015-06-03 Charalampos Anastasiou , Claude Duhr , Falko Dulat , Franz Herzog , Bernhard Mistlberger

We compute the leading logarithmic behaviour of the cross-section for the production of a pseudoscalar Higgs boson in gluon-gluon fusion to all-orders in perturbation theory, in the limit of large partonic centre of mass energy. We also…

High Energy Physics - Phenomenology · Physics 2011-04-05 Fabrizio Caola , Simone Marzani

We present next-to-next-to-next-to-leading order (N$^3$LO) QCD predictions for the Higgs boson pair production via gluon fusion at hadron colliders in the infinite top-quark mass limit. Besides the inclusive total cross sections at various…

High Energy Physics - Phenomenology · Physics 2020-03-03 Long-Bin Chen , Hai Tao Li , Hua-Sheng Shao , Jian Wang

In this talk, we discuss the soft-gluon resummation for a pair of Higgs bosons in the dominant gluon fusion channel to next-to-next-to-next-to-leading logarithmic (N$^3$LL) accuracy. Through the study, we achieve sub-percent level accuracy…

High Energy Physics - Phenomenology · Physics 2023-10-17 A. H. Ajjath , Hua-Sheng Shao

The Higgs boson pair production via gluon fusion at high-energy hadron colliders, such as the LHC, is vital in deciphering the Higgs potential and in pinning down the electroweak symmetry breaking mechanism. We carry out the…

High Energy Physics - Phenomenology · Physics 2020-03-16 Long-Bin Chen , Hai Tao Li , Hua-Sheng Shao , Jian Wang

We study the effect of soft gluon emission on the total cross section predictions for the $gg\to HZ$ associated Higgs production process at the LHC. To this end, we perform resummation of threshold corrections at the NLL accuracy in the…

High Energy Physics - Phenomenology · Physics 2015-06-23 Robert V. Harlander , Anna Kulesza , Vincent Theeuwes , Tom Zirke

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 consider the transverse-momentum (q_T) distribution of Standard Model Higgs bosons produced by gluon fusion in hadron collisions. At small q_T (q_T<<m_H, m_H being the mass of the Higgs boson), we resum the logarithmically-enhanced…

High Energy Physics - Phenomenology · Physics 2015-05-30 D. de Florian , G. Ferrera , M. Grazzini , D. Tommasini

The region of small transverse momentum in q qbar- and gg-initiated processes must be studied in the framework of resummation to account for the large, logarithmically-enhanced contributions to physical observables. In this paper, we will…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Field

We use renormalization-group methods in effective field theory to improve the theoretical prediction for the cross section for Higgs-boson production at hadron colliders. In addition to soft-gluon resummation at NNNLL, we also resum…

High Energy Physics - Phenomenology · Physics 2014-06-16 Valentin Ahrens , Thomas Becher , Matthias Neubert , Li Lin Yang

We investigate threshold resummation of soft gluon corrections for the s-channel process of a single top quark production in association with a Higgs boson in the Standard Model. We choose to work in the three-particle invariant mass…

High Energy Physics - Phenomenology · Physics 2021-10-01 Anna Kulesza , Laura Moreno Valero , Vincent Theeuwes

We consider Higgs boson production at hadron colliders in the gluon fusion channel and compute higher order terms in the regularization parameter $\epsilon$. In particular, the next-to-next-to-leading order cross section is evaluated…

High Energy Physics - Phenomenology · Physics 2015-06-12 Maik Höschele , Jens Hoff , Alexey Pak , Matthias Steinhauser , Takahiro Ueda

One of the most important mechanisms at the Large Hadron Collider (LHC) for the production of the pseudoscalar Higgs boson of the Minimal Supersymmetric Standard Model (MSSM) is the loop-induced gluon fusion process $gg\to A$. The…

High Energy Physics - Phenomenology · Physics 2023-04-05 Emanuele Bagnaschi , Lukas Fritz , Stefan Liebler , Margarete Mühlleitner , Thanh Tien Dat Nguyen , Michael Spira

We update our estimate of the cross section for Higgs production in gluon fusion at next-to-next-to-next-to-leading order (N$^3$LO) in $\alpha_s$ in view of the recent full computation of the result in the soft limit for infinite top mass,…

High Energy Physics - Phenomenology · Physics 2014-07-28 Marco Bonvini , Richard D. Ball , Stefano Forte , Simone Marzani , Giovanni Ridolfi

We present fully differential predictions for the production cross section of a Higgs boson via the gluon fusion mechanism at next-to-next-to-next-to leading order (N$^3$LO) in QCD perturbation theory. To perform our calculation we apply…

High Energy Physics - Phenomenology · Physics 2021-08-18 X. Chen , T. Gehrmann , E. W. N. Glover , A. Huss , B. Mistlberger , A. Pelloni