68 citations · 113 across the 2 of their papers we have counts for
2 papers
hep-th2010★ 68 cited
String-derived MSSM vacua with residual R symmetries
Rolf Kappl, Bjoern Petersen, Stuart Raby +3
Recently it was shown that there is a unique Z_4^R symmetry for the MSSM which allows the Yukawa couplings and dimension five neutrino mass operator, forbids the mu term and commut…
hep-ph2009★ 45 cited
Patterns of remnant discrete symmetries
Bjoern Petersen, Michael Ratz, Roland Schieren
We analyze patterns of remnant discrete symmetries that arise from U(1)^N theories by spontaneous breaking. We describe a simple, geometrical way to understand these patterns and p…