<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>Z</mml:mi><mml:mo>′</mml:mo></mml:msup></mml:math>mass limits and the naturalness of supersymmetry

Athron, Peter; Harries, Dylan; Williams, Anthony G.

doi:10.1103/physrevd.91.115024

Cited by 26 publications

(16 citation statements)

References 153 publications

(182 reference statements)

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“…Furthermore, we applied a running of the VEV. We found that in particular the last three changes moved our results with DR renormalization in the top/stop sector close to those of the other codes applying solely DR renormalization, FlexibleSUSY [75], NMSSMTools [62][63][64], SOFTSUSY [65,66,138] and SPHENO [73,74]. The results of these codes and NMSSMCALC (applying the DR scheme) have been compared in [81].…”

Section: Discussion Of the Renormalization Schemesmentioning

confidence: 62%

“…The spectrum generation of different SUSY models, including the NMSSM, on the other hand, is possible through the interface of SARAH [49,[69][70][71][72] with SPheno [73,74]. In the same spirit, SARAH has been interfaced with the package FlexibleSUSY [75,76]. All these programs include the Higgs mass corrections up to two-loop order, where in particular the two-loop corrections are obtained in the effective potential approach.…”

Section: Introductionmentioning

confidence: 99%

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Two-loop $$ \mathcal{O} $$ ($$ {\alpha}_t^2 $$) corrections to the neutral Higgs boson masses in the CP-violating NMSSM

Dao

Gröber

Krause

et al. 2019

J. High Energ. Phys.

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We present our calculation of the two-loop corrections of O(α 2 t ) to the neutral Higgs boson masses of the CP-violating Next-to-Minimal Supersymmetric extension of the Standard Model (NMSSM). The calculation is performed in the Feynman diagrammatic approach in the gaugeless limit at vanishing external momentum. We apply a mixed DR-on-shell (OS) renormalization scheme for the NMSSM input parameters. Furthermore, we exploit a DR as well as an OS renormalization in the top/stop sector. The corrections are implemented in the Fortran code NMSSMCALC for the calculation of the Higgs spectrum both in the CP-conserving and CP-violating NMSSM. The code also provides the Higgs boson decays including the state-of-the-art higher-order corrections. The corrections computed in this work improve the already available corrections in NMSSMCALC which are the full one-loop corrections without any approximation and the two-loop O(α t α s ) corrections in the gaugeless limit and at vanishing external momentum. Depending on the chosen parameter point, we find that the O(α t α s + α 2 t ) corrections add about 4-7% to the one-loop mass of the SM-like Higgs boson for DR renormalization in the top/stop sector and they reduce the mass by about 6-9% if OS renormalization is applied. For an estimate of the theoretical uncertainty we vary the renormalization scale and change the renormalization scheme and show that care has to be taken in the corresponding interpretation. *

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Section: Discussion Of the Renormalization Schemesmentioning

confidence: 62%

Section: Introductionmentioning

confidence: 99%

Two-loop $$ \mathcal{O} $$ ($$ {\alpha}_t^2 $$) corrections to the neutral Higgs boson masses in the CP-violating NMSSM

Dao

Gröber

Krause

et al. 2019

J. High Energ. Phys.

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“…Also the dominant two-loop corrections to λ SM of order O(α 2 t αs) have been included in this reference. These results were implemented into the code SusyHD [23] and also FlexibleSUSY [69,70] uses the matching conditions from literature.…”

Section: Split-susy: Mssm → Sm and Electroweakinos And Gluinosmentioning

confidence: 99%

Automatised matching between two scalar sectors at the one-loop level

2019

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Nowadays, one needs to consider seriously the possibility that a large separation between the scale of new physics and the electroweak scale exists. Nevertheless, there are still observables in this scenario, in particular the Higgs mass, which are sensitive to the properties of the UV theory. In order to obtain reliable predictions for a model which involves very heavy degrees of freedom, the precise matching to an effective theory is necessary. While this has been so far only studied for a few selected examples, we present an extension of the Mathematica package SARAH to perform automatically the matching between two scalar sectors at the full one-loop level for general models. We show that we can reproduce all important results for commonly studied models like split-or high-scale supersymmetry. One can now easily go beyond that and study new ideas involving very heavy states, where the effective model can either be just the standard model or an extension of it. Also scenarios with several matching scales can be easily considered. We provide model files for the MSSM with seven different mass hierarchies as well as two high-scale versions of the NMSSM. Moreover, it is explained how new models are implemented.

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“…Moreover, different hybrid methods that combine both approaches have been recently developed in order to take profit of the features of each one. FlexibleSUSY [46], based on SARAH [47], implements a hybrid method called Flexible-EFT-Higgs [48]. This approach was also included into the program SPheno [49,50].…”

Section: Introductionmentioning

confidence: 99%

Comparison of the EFT hybrid and three-loop fixed-order calculations of the lightest MSSM Higgs boson mass

Fazio

2019

Phys. Rev. D

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The lightest Higgs boson mass of the Minimal Supersymmetric Standard Model has been recently computed diagrammatically at the three-loop order in the whole supersymmetric parameters space of the SUSY-QCD sector. The code FeynHiggs combines one-and two-loop fixed-order with the effective-fieldtheory calculations for the same Higgs mass. The two numerical predictions agree considering the scenario of only one SUSY-scale and vanishing stop mixing parameter below 10 TeV. The agreement is improved by introducing an additional supersymmetric scale and a non-zero stop mixing. Additionally, the combined CMS/ATLAS Higgs mass value was used to derive an upper bound on the needed SUSY scale. In the considered scenario, values above the scale 12.5±1.2 TeV are excluded.

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Z′mass limits and the naturalness of supersymmetry

Cited by 26 publications

References 153 publications

Two-loop $$ \mathcal{O} $$ ($$ {\alpha}_t^2 $$) corrections to the neutral Higgs boson masses in the CP-violating NMSSM

Two-loop $$ \mathcal{O} $$ ($$ {\alpha}_t^2 $$) corrections to the neutral Higgs boson masses in the CP-violating NMSSM

Automatised matching between two scalar sectors at the one-loop level

Comparison of the EFT hybrid and three-loop fixed-order calculations of the lightest MSSM Higgs boson mass

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