Constraints from New CDF II W-Boson Mass On Top-Bottom Seesaw and the TopFlavor Models
arXiv:2209.11421 · doi:10.1142/S0217751X22450026
Abstract
In top-bottom seesaw and topflavor model, there may exist extra Higgses and vectorlike fermions, and we have examined the W mass anomaly reported by CDF II in these frames. We found that the CDF II W-boson mass data constrains the parameter r_t and z_t strictly in the two models, respectively, while the constraints on other parameters such as m_H, m_χare quite weak. Therefore, we conclude that in the two models, the W mass increment is sensitive to the extra fermions, but not the extra scalars. In topflavor model, we also consider the W mass increment induced by the mass mixing of the light and the heavy gauge bosons and the contribution is not too large and the constraints on the parameters x and y are weak.
arXiv comment18 pages, 7 figures,
References in corpus (11)
- Combined results of searches for the standard model Higgs boson in pp collisions at sqrt(s) = 7 TeV
- Combined search for the Standard Model Higgs boson using up to 4.9 fb-1 of pp collision data at sqrt(s) = 7 TeV with the ATLAS detector at the LHC
- Top Quark Seesaw Theory of Electroweak Symmetry Breaking
- Electroweak Symmetry Breaking via Top Condensation Seesaw
- Top Quark Seesaw, Vacuum Structure and Electroweak Precision Constraints
- New Topflavor Models with Seesaw Mechanism
- Topflavor: A Separate SU(2) for the Third Family
- LHC Higgs Signatures from Topflavor Seesaw Mechanism
- Compatibility of muon , mass anomaly in type-X 2HDM
- Three-loop electroweak corrections to the W-boson mass and sin^2 theta_eff in the large Higgs mass limit
- Top and Bottom Seesaw from Supersymmetric Strong Dynamics