Freiburg 2008 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 8: Eingeladene Vorträge II
T 8.2: Eingeladener Vortrag
Dienstag, 4. März 2008, 14:30–15:00, KGII-HS 2006
Understanding QCD and SUSY effects on flavour observables — •Sebastian Jäger — CERN
Flavour physics, in particular the large number of B-physics observables, provides a rich source of sensitive probes of the details of the weak interactions and possible physics beyond the Standard Model. A major theoretical challenge is to obtain the necessary theoretical control of the unavoidable Standard-Model strong-interaction effects, disentangling them from the fundamental short-distance physics to be studied. In this talk I report on recent work on B-decays into light hadrons based on the limit mB ≫ ΛQCD and the consequences for the interpretation of B-factory and LHCb data. Furthermore I discuss selected signatures of the well-motivated supersymmetric extension of the Standard Model in flavour-physics observables that are accessible at ongoing and near-term experiments.