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Journal Article

Top-down anatomy of flavor symmetry breakdown


Trautner,  Andreas
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Baur, A., Peter Nilles, H., Ramos-Sanchez, S., Trautner, A., & Vaudrevange, P. K. S. (2022). Top-down anatomy of flavor symmetry breakdown. Physical Review D, 105(5): 055018. doi:10.1103/PhysRevD.105.055018.

Cite as: https://hdl.handle.net/21.11116/0000-000A-E38F-5
A top-down approach to the flavor puzzle leads to eclectic flavor groups which include modular and traditional flavor symmetries. Based on examples of semirealistic T-2/Z(3) orbifold compactifications of heterotic string theory, we discuss the breakdown patterns of the eclectic flavor group via the interplay of vacuum expectation values (vevs) of moduli and flavon fields. This leads to an attractive flavor scheme with various possibilities to obtain "flavor hierarchies" through the alignment of these vevs. Despite the fact that the top-down approach gives strong restrictions for bottom-up flavor model building, it seems to be well suited to provide a realistic flavor pattern for quarks and leptons.