Renormalizing Coupled Scalars with a Momentum Dependent Mixing Angle in the MSSM

Details Renormalizing Coupled Scalars with a Momentum Dependent Mixing Angle in the MSSM Renormalizing Coupled Scalars with a Momentum Dependent Mixing Angle in the MSSM

1994-08-18

arxiv.org/abs/hep-ph/9408320v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, plain tex, 2 figures not included, VAND-TH-94-19

Scientific paper

The renormalization of a system of coupled scalars fields is analyzed. By introducing a momentum dependent mixing angle we diagonalize the inverse propagator matrix at any momentum $p^2$. The zeros of the inverse propagator matrix, \ie, the physical masses, are then calculated keeping the full momentum dependence of the self energies. The relation between this method and others previously published is studied. This idea is applied to the one-loop renormalization of the CP-even neutral Higgs sector of the Minimal Supersymmetric Model, considering top and bottom quarks and squarks in the loops. Presented in the Eighth Meeting of the Division of Particles and Fields of the American Physical Society ``DPF'94'', The University of New Mexico, Albuquerque NM, August 2-6, 1994.

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