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Related papers: Precise Calculations for the Neutral Higgs-Boson M…

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The masses of the neutral CP-even Higgs bosons in the Minimal Supersymmetric Standard Model (MSSM) are predicted on the basis of explicit Feynman-diagrammatic calculations. The results, containing the complete diagrammatic one-loop…

High Energy Physics - Phenomenology · Physics 2011-03-02 S. Heinemeyer , W. Hollik , G. Weiglein

New results for the complete one-loop contributions to the masses and mixing effects in the Higgs sector are obtained for the MSSM with complex parameters using the Feynman-diagrammatic approach. The full dependence on all relevant complex…

High Energy Physics - Phenomenology · Physics 2010-10-27 M. Frank , T. Hahn , S. Heinemeyer , W. Hollik , H. Rzehak , G. Weiglein

In the Minimal Supersymmetric Standard Model with complex parameters (cMSSM) we perform a complete one-loop calculation for the Higgs boson masses (including the momentum dependence) and the mixing angles. These corrections are obtained in…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Frank , S. Heinemeyer , W. Hollik , G. Weiglein

Diagrammatic two-loop results are presented for the leading QCD corrections to the masses of the neutral CP-even Higgs bosons in the Minimal Supersymmetric Standard Model (MSSM). The results are valid for arbitrary values of the parameters…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Heinemeyer , W. Hollik , G. Weiglein

Results for the leading two-loop corrections of $\mathcal{O}{\left(\alpha_t^2\right)}$ from the Yukawa sector to the Higgs-boson mass spectrum of the MSSM with complex parameters are presented, with details of the analytical calculation…

High Energy Physics - Phenomenology · Physics 2015-06-22 Wolfgang Hollik , Sebastian Paßehr

We analyze the impact of the recent Feynman-diagrammatic (FD) two-loop results for the mass of the lightest CP-even Higgs boson in the MSSM on the theoretical upper bound for mh as a function of tan(beta). The results are compared with…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Heinemeyer , W. Hollik , G. Weiglein

Results for the two-loop corrections to the Higgs-boson masses of the MSSM with complex parameters of $\mathcal{O}{\left(\alpha_t^2+\alpha_t\alpha_b+\alpha_b^2\right)}$ from the Yukawa sector in the gauge-less limit are presented. The…

High Energy Physics - Phenomenology · Physics 2018-04-18 Sebastian Paßehr , Georg Weiglein

Recent results for the leading $\mathcal{O}{\left(\alpha_t^2\right)}$ two-loop corrections to the Higgs-boson masses of the MSSM with complex parameters are presented. The strategy of the Feynman-diagrammatic, analytical calculation is…

High Energy Physics - Phenomenology · Physics 2015-04-16 Wolfgang Hollik , Sebastian Paßehr

We present detailed results of a diagrammatic calculation of the leading two-loop QCD corrections to the masses of the neutral CP-even Higgs bosons in the Minimal Supersymmetric Standard Model (MSSM). The two-loop corrections are…

High Energy Physics - Phenomenology · Physics 2011-05-05 S. Heinemeyer , W. Hollik , G. Weiglein

The momentum dependent two-loop contributions of the order $\mathcal{O}$($\alpha_s \alpha_t$) to the masses in the Higgs-boson sector of the MSSM are computed. Adopting the Feynman-diagrammatic approach and using a mixed…

High Energy Physics - Phenomenology · Physics 2014-10-03 S. Borowka

We provide the two-loop corrections to the Higgs boson masses of the CP-violating NMSSM in the Feynman diagrammatic approach with vanishing external momentum at ${\cal O} (\alpha_t \alpha_s)$. The adopted renormalization scheme is a mixture…

High Energy Physics - Phenomenology · Physics 2014-12-03 Margarete Muhlleitner , Dao Thi Nhung , Heidi Rzehak , Kathrin Walz

FeynHiggs is a Fortran code for the calculation of the masses of the neutral CP-even Higgs bosons in the MSSM up to two-loop order. It is based on the complete diagrammatic on-shell results at the one-loop level, the leading diagrammatic…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Heinemeyer , W. Hollik , G. Weiglein

We present the latest version 2.6 of FeynHiggs, a program for computing MSSM Higgs-boson masses and related observables, such as mixing angles, branching ratios, and couplings, including state-of-the-art higher-order contributions. The most…

High Energy Physics - Phenomenology · Physics 2007-10-26 T. Hahn , S. Heinemeyer , W. Hollik , H. Rzehak , G. Weiglein

The particle discovered in the Higgs boson searches at the LHC with a mass of about 125 GeV can be identified with one of the neutral Higgs bosons of the Next-to-Minimal Supersymmetric Standard Model (NMSSM). We calculate predictions for…

High Energy Physics - Phenomenology · Physics 2017-02-22 Peter Drechsel , Leonardo Galeta , Sven Heinemeyer , Georg Weiglein

The mass of the lightest CP-even Higgs boson of the minimal supersymmetric extension of the Standard Model (MSSM) has previously been computed including O(alpha alpha_s) two-loop contributions by an on-shell diagrammatic method, while…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Carena , H. E. Haber , S. Heinemeyer , W. Hollik , C. E. M. Wagner , G. Weiglein

For a reliable prediction of the NMSSM Higgs boson signatures at present and future high-energy colliders and a proper distinction of the NMSSM and MSSM Higgs sector the precise knowledge of the Higgs boson masses including higher-order…

High Energy Physics - Phenomenology · Physics 2013-05-30 K. Ender , T. Graf , M. Muhlleitner , H. Rzehak

Results for the leading two-loop corrections of $\mathcal{O}{\left(\alpha_t^2\right)}$ from the Yukawa sector to the Higgs-boson masses of the MSSM with complex parameters are presented. The corresponding self-energies and their…

High Energy Physics - Phenomenology · Physics 2015-06-18 Wolfgang Hollik , Sebastian Paßehr

Higher-order corrections to the MSSM Higgs-boson masses are desirable for accurate predictions currently testable at the LHC. By comparing the prediction with the measured value of the discovered Higgs signal, viable parameter regions can…

High Energy Physics - Phenomenology · Physics 2020-12-11 Sophia Borowka , Sebastian Paßehr , Georg Weiglein

Results are presented for the momentum dependent two-loop contributions of O(alpha_t alpha_s) to the masses and mixing effects in the Higgs sector of the MSSM. They are obtained in the Feynman-diagrammatic approach using a mixed…

High Energy Physics - Phenomenology · Physics 2014-09-25 S. Borowka , T. Hahn , S. Heinemeyer , G. Heinrich , W. Hollik

An updated version is presented of the Fortran code FeynHiggs for the evaluation of the neutral CP-even Higgs sector masses and mixing angles. It differs from the previous version by a modification of the renormalization scheme concerning…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Frank , S. Heinemeyer , W. Hollik , G. Weiglein
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