Precise prediction for the light MSSM Higgs-boson mass combining effective field theory and fixed-order calculations
By Henning Bahl, Wolfgang Hollik. 2016
192 citations recorded by the source corpus.
In the Minimal Supersymmetric Standard Model heavy superparticles introduce large logarithms in the calculation of the lightest $$\mathscr {CP}$$CP-even Higgs-boson mass. These logarithmic contributions can be resummed using effective field theory techniques. For light superparticles, however, fixed-order calculations are expected to be more accurate. To gain a precise prediction also for intermediate mass scales, the two approaches have to be combined. Here, we report on an improvement of this method in various steps: the inclusion of electroweak contributions, of separate electroweakino and gluino thresholds, as well as resummation at the NNLL level. These improvements can lead to significant numerical effects. In most cases, the lightest $$\mathscr {CP}$$CP-even Higgs-boson mass is shifted downwards by about 1 GeV. This is mainly caused by higher-order corrections to the $${\overline{\text {MS}}}$$MS¯ top-quark mass. We also describe the implementation of the new contributions in the code FeynHiggs.
View Paper: https://www.semanticscholar.org/paper/b388828c8eaa313a62b56c34ebdb6d945dbec2f5
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Citations in the corpus
- Higgs Physics at the HL-LHC and HE-LHC (2019, methodology): “The theory predictions are obtained from FeynHiggs [913, 914, 915, 916, 917, 918, 919, 920], as well as from SusHi [878, 51, 921, 922, 923, 924, 925, 47, 926, 927, 928, 929] for gluon fusion and matched predictions for bottom-quark annihilation [930, 931, 932, 933].”
- Reconciling EFT and hybrid calculations of the light MSSM Higgs-boson mass (2017, methodology): “Numerically, the shift in the top-quark mass from NLO to NNLO generated the main effect when going to NNLL resummation [40].”
- Global fits of GUT-scale SUSY models with GAMBIT (2017, methodology): “This method has been implemented in several public codes [44, 46, 203].”