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Discrete Symmetries in semi-realistic D-Brane realizations

Robert Richter (Hamburg U.)

12.12.2013 at 16:15 

We study the presence of abelian discrete gauge symmetries in D-brane semi- realistic compactifications. After establishing the constraints for the presence of a discrete gauge symmetry we perform a systematic search for discrete gauge symmetries within semi-realistic local D-brane realizations of the MSSM and the MSSM with three right-handed neutrinos. If time allows we will discuss the presence of U(1) and discrete symmetries in concrete global realizations based on D-branes on singularities.

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