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The Charged Higgs Boson Mass of the MSSM in the Feynman-Diagrammatic Approach | | M. Frank
; L. Galeta
; T. Hahn
; S. Heinemeyer
; W. Hollik
; H. Rzehak
; G. Weiglein
; | | Date: |
5 Jun 2013 | | Abstract: | The interpretation of the Higgs signal at sim 126 GeV within the Minimal
Supersymmetric Standard Model (MSSM) depends crucially on the predicted
properties of the other Higgs states of the model, as the mass of the charged
Higgs boson, MH+-. This mass is calculated in the Feynman-diagrammatic approach
within the MSSM with real parameters. The result includes the complete one-loop
contributions and the two-loop contributions of O(alpha_t alpha_s). The
one-loop contributions lead to sizable shifts in the MH+- prediction, reaching
up to sim 8 GeV for relatively small values of M_A. Even larger effects can
occur depending on the sign and size of the mu parameter that enters the
corrections affecting the relation between the bottom-quark mass and the bottom
Yukawa coupling. The two-loop O(alpha_t alpha_s) terms can shift MH+- by more
than 2 GeV. The two-loop contributions amount to typically about 30% of the
one-loop corrections for the examples that we have studied. These effects can
be relevant for precision analyses of the charged MSSM Higgs boson. | | Source: | arXiv, 1306.1156 | | Services: | Forum | Review | PDF | Favorites | |
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