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Wuppertal 2015 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 58: Jenseits des Standardmodells 2 (Theorie)

T 58.8: Vortrag

Dienstag, 10. März 2015, 18:30–18:45, K.11.20 (K5)

The search for Lorentz violation in the weak interaction — •K. Keri Vos, H.W. Wilschut, and R.G.E. Timmermans — van Swinderen Insitute, University of Groningen, the Netherlands

In the last decades, the search for Lorentz symmetry violation has gained a lot of interest. Such searches are motivated by some unifying theories of quantum gravity, that predict the breakdown of Lorentz symmetry. Recently, the search has also been extended to the weak interaction, in particular beta decay. A theoretical framework was developed in which the Lorentz-violating effects on the W-boson propagator are parametrized by a general tensor χµν. The strongest bounds have been found after a reanalysis of two experiments on forbidden beta decay. We discuss these bounds and the possibilities to improve them, focused on allowed beta decay.

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