Heidelberg 2022 – wissenschaftliches Programm

Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe

T: Fachverband Teilchenphysik

T 31: Beyond the Standard Model (Theory) 1

T 31.4: Vortrag

Dienstag, 22. März 2022, 17:00–17:15, T-H16

Constraining BSM models using high precision observables — •Marten Berger¹, Gudrid Moortgat-Pick^1,2, Georg Weiglein^1,2, and Sven Heinemeyer³ — ¹II. Institute of Theoretical Physics, University of Hamburg, Germany — ²DESY, Hamburg, Germany — ³Instituto de Fisica Teorica UAM-CSIC, Madrid, Spain

The high experimental accuracy of the W boson mass, M_W, measurement provides a powerful tool to test the theory and differentiate between models. One of the best motivated extensions of the Standard Model (SM) is the Minimal Supersymmetric Standard Model (MSSM). The electroweak precision observables such as M_W are highly sensitive to loop contributions determined by the model parameters respectively. Therefore the precise experimental accuracy can be used to narrow down possible scenarios. In this talk a stand-alone mathematica code for predicting M_W in the MSSM is presented. It includes full one-loop as well as leading higher-order corrections of SUSY-type, which are combined with state-of-the-art SM-type contributions. The prediction for M_W is discussed in comparison with the current experimental result.