CP-Odd Tadpole Renormalization of Higgs Scalar-Pseudoscalar Mixing

Details CP-Odd Tadpole Renormalization of Higgs Scalar-Pseudoscalar Mixing CP-Odd Tadpole Renormalization of Higgs Scalar-Pseudoscalar Mixing

1998-03-10

arxiv.org/abs/hep-ph/9803297v1

Phys.Rev. D58 (1998) 096010

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, LaTeX

Scientific paper

10.1103/PhysRevD.58.096010

We consider an Abelian model with a CP-conserving Higgs potential spanned by two complex Higgs fields. The CP invariance of the Higgs potential is then broken explicitly beyond the Born approximation by introducing soft-CP-violating Yukawa interactions. Based on the non-renormalization theorem, we derive the consistency conditions under which a CP-odd counterterm exists and, at the same time, renders the one-loop-induced mixing of a CP-even Higgs boson with a CP-odd Higgs scalar ultra-violet finite. The novel CP-odd tadpole renormalization may then be determined from the minimization constraints on the Higgs potential. Finally, we discuss the phenomenological consequences of the so-generated CP-violating scalar-pseudoscalar mixing for the electric dipole moments of neutron, electron and muon.

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