Karlsruhe 2011 – scientific programme
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T: Fachverband Teilchenphysik
T 16: Beyond the Standard Model (Theorie) I
T 16.1: Talk
Tuesday, March 29, 2011, 16:45–17:00, 30.23: 6-1
Precise Prediction for the W-Boson mass in BSM — •Lisa Zeune1,2 and Georg Weiglein1 — 1DESY, Notkestraße 85, 22607 Hamburg, Germany — 2Universität Göttingen, II. Physikalisches Institut, 37077 Göttingen, Germany
Electroweak precision observables are of utmost importance for testing and constraining physics beyond the Standard Model (SM). The indirect constraints on new physics obtained from precision observables are complementary to the direct searches for new physics carried out at the LHC and elsewhere.
The MW−MZ interdependence is highly sensitive to quantum effects from the entire particle spectrum of a given model. In order to fully exploit the improved experimental accuracy expected at the LHC, a precise theoretical prediction for the W boson mass in various models beyond the SM is desired.
We present results for the W boson mass in the MSSM with complex parameters, including all known higher-order corrections of SM- and SUSY-type. Within the same framework, facilitating a direct comparison of the predictions, also results for non-minimal SUSY models and other extensions of the SM are derived.