Renormalization group evolution in the type I and type II seesaw model

Schmidt, Michael Andreas

doi:10.1103/PhysRevD.76.073010

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Renormalization group evolution in the type I and type II seesaw model

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

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Schmidt, M. A. (2007). Renormalization group evolution in the type I and type II seesaw model. Physical Review D, 76(7): 073010, pp. 1-12. doi:10.1103/PhysRevD.76.073010.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-7BD3-7

Abstract

We carefully analyze the renormalization group equations in the type I + II seesaw scenario in the extended SM and MSSM. Furthermore, we present analytic formulae of the mixing angles and phases and discuss the RG effect on the different mixing parameters in the type II seesaw scenario. The main features are the inverse proportionality to the mass squared difference for a hierarchical spectrum compared to the proportionality in the standard seesaw scenario and that the renormalization group equations are independent of the Majorana phases.