Heidelberg 2022 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 3: Flavour Physics 1
T 3.6: Vortrag
Montag, 21. März 2022, 17:30–17:45, T-H16
mb(mZ) revisited with Zedometry — •Stefan Kluth — MPI für Physik, Föhringer Ring 6, 80805 München
Precision measurements of Z0 boson properties can allow a determination of the mass of the b quark at the scale of the Z0 boson mass mb(mZ). The dependence of Standard Model predictions by the programs zfitter and Gfitter on the b quark mass are studied. The precision of the currently available measurements by the LEP experiments and SLD, together with measurements from the LHC experiments for the mass of the top quark and the Higgs boson, is not sufficient for a relevant measurement. The predicted precision of Z0 boson resonance measurements at future e+e− colliders will allow a competetive determination of mb(mZ).