Precise prediction for the W boson mass in the MRSSM

Abstract

The mass of the W boson, $M_W$, plays a central role for high-precision tests of the electroweak theory. Confronting precise theoretical predictions with the accurately measured experimental value provides a high sensitivity to quantum effects of the theory entering via loop contributions. The currently most accurate prediction for the W boson mass in the Minimal R-symmetric Supersymmetric Standard Model (MRSSM) is presented. Employing the on-shell scheme, it combines all numerically relevant contributions that are known in the Standard Model (SM) in a consistent way with all MRSSM one-loop corrections. Special care is taken in the treatment of the triplet scalar vacuum expectation value $v_T$ that enters the prediction for $M_W$ already at lowest order. In the numerical analysis the decoupling properties of the supersymmetric loop contributions and the comparison with the MSSM are investigated. Potentially large numerical effects of the MRSSM-specific $\Lambda$ superpotential couplings are highlighted. The comparison with existing results in the literature is discussed.

35 pages, 9 figures; Updated to JHEP version with minor changes

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• Precise calculation of the W boson pole mass beyond the Standard Model with FlexibleSUSY
• Interdependence of the new "MUON G-2" Result and the $W$-Boson Mass
• $W$-Boson Mass, Electroweak Precision Tests and SMEFT
• Confronting the coloured sector of the MRSSM with LHC data
• W boson mass in minimal Dirac gaugino scenarios
• Muon conversion to electron in nuclei in Minimal R-symmetric Supersymmetric Standard Model
• The anomalous shift of the weak boson mass and the quintessence electroweak axion
• The lepton flavor violating decays of vector mesons in the MRSSM
• Searching for lepton flavor violating decays tau to Pl in Minimal R-symmetric Supersymmetric Standard Model
• $l_{\alpha }\to 3l_{\beta }$ in Minimal R-symmetric Supersymmetric Standard Model
• SMEFT Analysis of $m_W$