Improved prediction for the mass of the W boson in the NMSSM

Abstract

Electroweak precision observables, being highly sensitive to loop contributions of new physics, provide a powerful tool to test the theory and to discriminate between different models of the underlying physics. In that context, the $W$ boson mass, $M_W$, plays a crucial role. The accuracy of the $M_W$ measurement has been significantly improved over the last years, and further improvement of the experimental accuracy is expected from future LHC measurements. In order to fully exploit the precise experimental determination, an accurate theoretical prediction for $M_W$ in the Standard Model (SM) and extensions of it is of central importance. We present the currently most accurate prediction for the $W$ boson mass in the Next-to-Minimal Supersymmetric extension of the Standard Model (NMSSM), including the full one-loop result and all available higher-order corrections of SM and SUSY type. The evaluation of $M_W$ is performed in a flexible framework, which facilitates the extension to other models beyond the SM. We show numerical results for the $W$ boson mass in the NMSSM, focussing on phenomenologically interesting scenarios, in which the Higgs signal can be interpreted as the lightest or second lightest CP-even Higgs boson of the NMSSM. We find that, for both Higgs signal interpretations, the NMSSM $M_W$ prediction is well compatible with the measurement. We study the SUSY contributions to $M_W$ in detail and investigate in particular the genuine NMSSM effects from the Higgs and neutralino sectors.

43 pages, 21 figures

References in corpus (17)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• Combined Measurement of the Higgs Boson Mass in $pp$ Collisions at $\sqrt{s}=7$ and 8 TeV with the ATLAS and CMS Experiments
• Non-perturbative QCD Effects and the Top Mass at the Tevatron
• NMSPEC: A Fortran code for the sparticle and Higgs masses in the NMSSM with GUT scale boundary conditions
• FlexibleSUSY -- A spectrum generator generator for supersymmetric models
• Physics at the e+ e- Linear Collider
• On the radiative corrections to the neutral Higgs boson masses in the NMSSM
• Mass effects in muon and semileptonic b -> c decays
• Electroweak two-loop corrections to the effective weak mixing angle
• Measurement of the W Boson Mass with the D0 Detector
• Top Mass Measurements from Jets and the Tevatron Top-Quark Mass
• Single Scale Tadpoles and O(GF mt^2 as^3) Corrections to the rho Parameter
• Four-Loop QCD Corrections to the Rho Parameter
• Light non-degenerate squarks at the LHC
• Measurement of the top quark mass in the $t\bar{t}\to \mathrm{lepton}+\mathrm{jets}$ and $t\bar{t}\to \mathrm{dilepton}$ channels using $\sqrt{s}=7$ TeV ATLAS data
• Rare Z-decay into light CP-odd Higgs bosons: a comparative study in different new physics models

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• The Light and Heavy Higgs Interpretation of the MSSM
• Precise Predictions for the Higgs-Boson Masses in the NMSSM
• Discovery Prospects of a Light Scalar in the NMSSM
• Excesses in the low-mass Higgs-boson search and the W-boson mass measurement
• Precise calculation of the W boson pole mass beyond the Standard Model with FlexibleSUSY
• $M_W$, Dark Matter and $a_{\mu }$ in the NMSSM
• Interdependence of the new "MUON G-2" Result and the $W$-Boson Mass
• NMSSM neutralino dark matter for CDF II $W$-boson mass and muon $g-2$ and the promising prospect of direct detection
• On-Shell neutral Higgs bosons in the NMSSM with complex parameters
• Precise prediction for the W boson mass in the MRSSM
• Two-loop improved predictions for $M_W$ and ${\sin }^2{\theta }_{eff}$ in Two-Higgs-Doublet Models
• Constraining the gauge and scalar sectors of the doublet left-right symmetric model
• Curing tachyonic tree-level syndrome in NMSSM light-singlet scenarios