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Heidelberg 2007 – scientific programme

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T: Fachverband Teilchenphysik

T 506: Flavour Theorie II

T 506.2: Talk

Friday, March 9, 2007, 14:15–14:30, KIP SR 2.401

Proton hexality from an anomalous flavour U(1) — •Marc Thormeier — SPhT, CEA-Saclay, 91191 Gif-sur-Yvette, Frankreich

I present the construction of minimalistic U(1)X Froggatt-Nielsen models which give rise to a recently suggested low-energy discrete gauge Z6-symmetry, proton hexality (the proton is thus stable). Having three generations of right-handed neutrinos, with the proper choice of X-charges we can obtain viable neutrino masses. Furthermore one can find scenarios such that no X-charged hidden sector superfields are needed, which allows calculation of the Kač-Moody levels and gstring from a bottom-up perspective. The only mass scale apart from Mgrav is msoft.

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