Solving the strong CP problem with supersymmetry

Details Solving the strong CP problem with supersymmetry Solving the strong CP problem with supersymmetry

2001-05-24

arxiv.org/abs/hep-ph/0105254v2

Phys.Lett. B514 (2001) 263-268

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 figures, references added

Scientific paper

10.1016/S0370-2693(01)00814-0

We propose a new solution to the strong CP problem based on supersymmetric non-renormalization theorems. CP is broken spontaneously and it's breaking is communicated to the MSSM by radiative corrections. The strong CP phase is protected by a susy non-renormalization theorem and remains exactly zero while loops can generate a large CKM phase from wave function renormalization. We present a concrete model as an example but stress that our framework is general. We also discuss constraints on susy breaking and point out experimental signatures.

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