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T: Fachverband Teilchenphysik

T 29: Flavourphysik (Theorie)

T 29.5: Vortrag

Montag, 24. März 2014, 17:45–18:00, P6

Lorentz violation in weak decays — •Kimberley Keri Vos, Hans W. Wilschut, and Rob G.E. Timmermans — Univeristy of Groningen, the Netherlands

The unification of the standard model of particle physics and general relativity at high energies allows for the possibility of Lorentz violation. Traces of Lorentz violation are detectable in low-energy experiments. We investigate Lorentz violation in weak decays by using a recently developed framework in which the W-boson propagator is modified by a general Lorentz-violating tensor. We give an overview of the efforts in weak decays and present the first direct limits on Lorentz violation. We analyse the recent KLOE results on the directional dependence of the lifetime of neutral kaons. Finally we discuss the possibilities to further constrain Lorentz violation in nonleptonic decays, taking the KLOE data as an example.