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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

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

Within the minimal supersymmetric extension of the Standard Model (MSSM) the associated production of neutral Higgs bosons with top and bottom quarks belongs to the most important Higgs-boson production processes at the LHC. At large values…

High Energy Physics - Phenomenology · Physics 2015-06-22 Stefan Dittmaier , Petra Häfliger , Michael Krämer , Michael Spira , Manuel Walser

We compute the complete next-to-leading order SUSY-QCD corrections for the associated production of a charged Higgs boson with a top quark via bottom-gluon fusion. We investigate the applicability of the bottom parton description in detail.…

High Energy Physics - Phenomenology · Physics 2009-07-09 Tilman Plehn

We analyze the next-to-leading order SUSY-QCD corrections to the production of Higgs particles at hadron colliders in supersymmetric extensions of the Standard Model. Besides the standard QCD corrections due to gluon exchange and emission,…

High Energy Physics - Phenomenology · Physics 2009-10-31 Abdelhak Djouadi , Michael Spira

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

In the MSSM scalar h,H production is mediated by heavy quark and squark loops. The higher order QCD corrections have been obtained some time ago and turned out to be large. The full SUSY QCD corrections have been obained recently including…

High Energy Physics - Phenomenology · Physics 2010-01-21 M. Muhlleitner , H. Rzehak , M. Spira

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

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

An estimate of the NNLO supersymmetric QCD effects for Higgs production at hadron colliders is given. Assuming an effective gluon-Higgs interaction, these corrections enter only in terms of process-independent, factorizable terms. We argue…

High Energy Physics - Phenomenology · Physics 2009-11-10 Robert Harlander , Matthias Steinhauser

We present the first results on the production of pseudo-scalar through gluon fusion at the LHC to N$^3$LO in QCD taking into account only soft gluon effects. We have used the effective Lagrangian that describes the coupling of…

High Energy Physics - Phenomenology · Physics 2016-07-20 Taushif Ahmed , M. C. Kumar , Prakash Mathews , Narayan Rana , V. Ravindran

We study the production of a mixed scalar-pseudoscalar Higgs boson in gluon fusion at the LHC, through next-to-next-to-leading order (NNLO) in QCD. We obtain fully differential results, including the decay of the Higgs boson to two charged…

High Energy Physics - Phenomenology · Physics 2020-06-24 Matthieu Jaquier , Raoul Röntsch

Models of electroweak symmetry breaking with more than a single doublet of Higgs scalars contain a neutral pseudoscalar boson. The production of such a pseudoscalar in hadron collisions proceeds primarily via gluon fusion through a…

High Energy Physics - Phenomenology · Physics 2011-01-13 Russel P. Kauffman , Wendy Schaffer

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

The Higgs boson production p p (p\bar p) -> b h +X via b g -> b h at the LHC, which may be an important channel for testing the bottom quark Yukawa coupling, is subject to large supersymmetric quantum corrections. In this work the one-loop…

High Energy Physics - Phenomenology · Physics 2008-11-26 Junjie Cao , Guangping Gao , Robert J. Oakes , Jin Min Yang

Recent theoretical progress in the evaluation of Higgs boson production at the LHC within the Standard Model and its minimal supersymmetric extension is reviewed. In particular the two-loop QCD corrections to the squark loop contributions…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Spira

The production of charged Higgs boson pairs from gluon-gluon fusion is studied in the minimal supersymmetric model(MSSM) at proton-proton colliders. We find that the contribution of the scalar quark loops to the subprocess production rate…

High Energy Physics - Phenomenology · Physics 2009-10-30 Jiang Yi , Ma Wen-gan , Han Liang , Han Meng , Yu Zeng-Hui

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

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

Scalar MSSM Higgs boson production via gluon fusion gg -> h,H is mediated by heavy quark and squark loops. The higher order QCD corrections to these processes turn out to be large. The full supersymmetric QCD corrections have been…

High Energy Physics - Phenomenology · Physics 2010-04-15 Margarete Mühlleitner , Heidi Rzehak , Michael Spira
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