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A computation of inclusive cross sections for neutral Higgs boson production through gluon fusion and bottom-quark annihilation is presented in the MSSM with complex parameters. The predictions for the gluon-fusion process are based on an…

High Energy Physics - Phenomenology · Physics 2017-11-07 Stefan Liebler , Shruti Patel , Georg Weiglein

This article describes the code SusHi (for "Supersymmetric Higgs") which calculates the cross sections $pp/p\bar{p}\rightarrow\phi+X$ in gluon fusion and bottom-quark annihilation in the SM and the MSSM, where $\phi$ is any of the neutral…

High Energy Physics - Phenomenology · Physics 2013-03-20 Robert V. Harlander , Stefan Liebler , Hendrik Mantler

This thesis studies the pseudoscalar Higgs boson production via gluon fusion in the EFT framework in a CP-conserving model. First, it presents the di-pseudoscalar Higgs boson production cross-section via gluon fusion till NNLO with the…

High Energy Physics - Phenomenology · Physics 2024-03-13 Arunima Bhattacharya

We present a calculation of the two-loop bottom-sbottom-gluino contributions to Higgs boson production via gluon fusion in the MSSM. The calculation is based on an asymptotic expansion in the masses of the supersymmetric particles, which…

High Energy Physics - Phenomenology · Physics 2010-11-19 G. Degrassi , P. Slavich

We consider the gluon fusion production cross section of a scalar Higgs boson at NLO QCD in the SM and in the MSSM. We implement the calculation in the POWHEG approach, and match the NLO-QCD results with the PYTHIA and HERWIG QCD parton…

High Energy Physics - Phenomenology · Physics 2012-03-01 E. Bagnaschi , G. Degrassi , P. Slavich , A. Vicini

We discuss neutral Higgs boson production through gluon fusion and bottom-quark annihilation in the CP-conserving $\mathbb{Z}_3$-invariant Next-to-Minimal Supersymmetric Standard Model (NMSSM) at proton colliders. For gluon fusion we adapt…

High Energy Physics - Phenomenology · Physics 2015-05-22 Stefan Liebler

The next-to-leading order (NLO) QCD corrections to the production and decay rate of a Higgs boson are computed within the framework of the Minimal Supersymmetric Standard Model (MSSM). The calculation is based on an effective theory for…

High Energy Physics - Phenomenology · Physics 2008-11-26 Robert V. Harlander , Matthias Steinhauser

We present the total cross sections at next-to-next-to-leading order (NNLO) in the strong coupling for Higgs production via weak boson fusion. Our results are obtained via the structure function approach, which builds upon the approximate,…

High Energy Physics - Phenomenology · Physics 2014-11-20 Paolo Bolzoni , Fabio Maltoni , Sven-Olaf Moch , Marco Zaro

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

The cross section through gluon fusion is calculated for the production of the light neutral Higgs boson through next-to-leading order QCD within the Minimal Supersymmetric Standard Model. The quark-mediated contributions are taken into…

High Energy Physics - Phenomenology · Physics 2011-12-06 Robert V. Harlander , Franziska Hofmann , Hendrik Mantler

We present a calculation of the two-loop quark-squark-gluino contributions to pseudoscalar Higgs boson production via gluon fusion in the MSSM. We regularize the loop integrals using the Pauli-Villars method, and obtain explicit and compact…

High Energy Physics - Phenomenology · Physics 2011-09-02 G. Degrassi , S. Di Vita , P. Slavich

We present a complete next-to-leading order (NLO) calculation for the total cross section for inclusive Higgs pair production via bottom-quark fusion at the CERN Large Hadron Collider (LHC) in the minimal supersymmetric standard model…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sally Dawson , Chung Kao , Yili Wang

We consider the gluon fusion production cross section of a scalar Higgs boson in models where fermion and scalar massive colored particles are present. We report analytic expressions for the matrix elements of $gg\to Hg$, $q\bar{q}\to Hg$,…

High Energy Physics - Phenomenology · Physics 2009-04-23 R. Bonciani , G. Degrassi , A. Vicini

The associated production of a Higgs boson with a b quark is a discovery mode for an MSSM Higgs boson at large tan beta. We compute the SUSY QCD corrections from gluino and squark loops to this process and combine them with the order…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Dawson , C. B. Jackson

The total cross section for Higgs production in bottom-quark annihilation is evaluated at next-to-next-to-leading order (NNLO) in QCD. This is the first time that all terms at order alpha_s^2 are taken into account. We find a greatly…

High Energy Physics - Phenomenology · Physics 2009-11-10 Robert V. Harlander , William B. Kilgore

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

The total cross section for Higgs boson production via the dominant gluon fusion mechanism including NLO [two-loop] QCD corrections can be calculated numerically with the program HIGLU. The QCD corrections are included for arbitrary Higgs…

High Energy Physics - Phenomenology · Physics 2011-04-15 Michael Spira

We present theoretical predictions for the Higgs boson production cross-section via gluon fusion at the LHC in a Standard Model with four generations. We include QCD corrections through NLO retaining the full dependence on the quark masses,…

High Energy Physics - Phenomenology · Physics 2015-05-27 Charalampos Anastasiou , Stephan Buehler , Elisabetta Furlan , Franz Herzog , Achilleas Lazopoulos

We compute the complete next-to-leading order (NLO) SUSY-QCD corrections for the associated production of a pseudoscalar Higgs boson with a bottom quark via bottom-gluon fusion at the CERN Large Hadron Collider (LHC) and the Fermilab…

High Energy Physics - Phenomenology · Physics 2009-11-10 Hou Hong-Sheng , Ma Wen-Gan , Zhang Ren-You , Sun Yan-Bin , Wu Peng

A program for the calculation of the total Higgs production cross section via gluon fusion at hadron colliders including next--to--leading order QCD corrections is presented. It is suitable especially for Standard Model Higgs bosons and the…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Spira
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