Precision calculations in the MSSM Higgs-boson sector with FeynHiggs 2.14
| Autor: | Henning Bahl, Sebastian Paßehr, Heidi Rzehak, Georg Weiglein, T. Hahn, Wolfgang Hollik, Sven Heinemeyer |
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| Přispěvatelé: | Laboratoire de Physique Théorique et Hautes Energies (LPTHE), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Particle physics
Computer science Fortran Physics beyond the Standard Model General Physics and Astronomy FOS: Physical sciences doublet: 2 [Higgs particle] threshold: correction mass: correction correction [threshold] 01 natural sciences programming 010305 fluids & plasmas Higgs sector High Energy Physics - Phenomenology (hep-ph) effective field theory calculated [mass] 0103 physical sciences Effective field theory 010306 general physics numerical calculations Boson computer.programming_language new physics High Energy Physics::Phenomenology Higgs particle: doublet: 2 minimal supersymmetric standard model mass [Higgs particle] Supersymmetry mass: calculated correction [mass] High Energy Physics - Phenomenology Higgs particle: mass Hardware and Architecture [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph] Higgs boson supersymmetry computer Minimal Supersymmetric Standard Model MSSM Higgs-boson observables |
| Zdroj: | Comput.Phys.Commun. Comput.Phys.Commun., 2020, 249, pp.107099. ⟨10.1016/j.cpc.2019.107099⟩ Bahl, H, Hahn, T, Heinemeyer, S, Hollik, W, Paßehr, S, Rzehak, H & Weiglein, G 2020, ' Precision calculations in the MSSM Higgs-boson sector with FeynHiggs 2.14 ', Computer Physics Communications, vol. 249, 107099 . https://doi.org/10.1016/j.cpc.2019.107099 |
| DOI: | 10.1016/j.cpc.2019.107099⟩ |
| Popis: | We present an overview of the status and recent developments of FeynHiggs (current version: 2.14.3) since version 2.12.2. The main purpose of FeynHiggs is the calculation of the Higgs-boson masses and other physical observables in the MSSM. For a precise prediction of the Higgs-boson masses for low and high SUSY scales, state-of-the-art fixed-order and effective-field-theory calculations are combined. We first discuss improvements of the fixed-order calculation, namely an optional $\overline{\text{DR}}$ renormalization of the stop sector and a renormalization of the Higgs sector ensuring the chosen input mass to be equivalent with the corresponding physical mass. Second, we describe improvements of the EFT calculation, i.e. an implementation of non-degenerate threshold corrections as well as an interpolation for complex parameters. Lastly, we highlight some improvements of the code structure easing future extensions of FeynHiggs to models beyond the MSSM. Comment: 28 pages, 3 figures; matches published version (will appear as CPC 50th anniversary article) |
| Databáze: | OpenAIRE |
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