Signatures of discrete symmetries in the scalar sector

Details Signatures of discrete symmetries in the scalar sector Signatures of discrete symmetries in the scalar sector

1994-05-16

arxiv.org/abs/hep-ph/9405307v1

Phys.Rev.D50:7089-7092,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

standard LATEX, 7 pages, no figures and no tables, Carnegie-Mellon University Report No. CMU-HEP94-16 and DOE-ER/40682-70

Scientific paper

10.1103/PhysRevD.50.7089

I discuss methods to identify the presence of dicrete symmetries in the two-Higgs-doublet model by observing the masses and the cubic and quartic interactions of the scalars. The symmetries considered are a $ Z_2 $ symmetry under which $ \phi_2 \rightarrow - \phi_2 $, and a CP symmetry which enforces real coupling constants in the Higgs potential. Those symmetries are spontaneously broken, and the $ Z_2 $ symmetry may also be softly broken. I identify the signatures in the interactions of the scalars that these symmetries leave after their breaking.

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