Systematic analysis of finite family symmetry groups and their application to the lepton sector

In dieser Arbeit werden Lagrangedichten eines um drei rechtshandige Neutrinos erweiterten Standardmodells untersucht und die Konsequenzen einer Invarianz unter diskreten Symmetrien fur Leptonmassen und Mischungsmatrizen erlautert. Der Hauptteil der Arbeit ist der systematischen Untersuchung von endlichen Untergruppen der SU(3) gewidmet. Die Analyse dieser Gruppen kann als Grundlage zur Konstruktion und Untersuchung neuer Modelle dienen.

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