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Strong-weak CP hierarchy from non-renormalization theorems

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arxiv hep-ph/0201251 v1 pith:MVRS5MEW submitted 2002-01-27 hep-ph hep-th

Gudrun Hiller (SLAC) , Martin Schmaltz (Boston U) This is my paper · ORCID
classification hep-phhep-th
keywords phasesupersymmetrynon-renormalizationstrongbreakinghierarchytheoremvalues
verification ladder T0 review T1 audit T2 compute T3 formal
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We point out that the hierarchy between the measured values of the CKM phase and the strong CP phase has a natural origin in supersymmetry with spontaneous CP violation and low energy supersymmetry breaking. The underlying reason is simple and elegant: in supersymmetry the strong CP phase is protected by an exact non-renormalization theorem while the CKM phase is not. We present explicit examples of models which exploit this fact and discuss corrections to the non-renormalization theorem in the presence of supersymmetry breaking. This framework for solving the strong CP problem has generic predictions for the superpartner spectrum, for CP and flavor violation, and predicts a preferred range of values for electric dipole moments.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Transient Bias for CP Domain Wall Decay and Dark Matter

    hep-ph 2026-06 unverdicted novelty 6.0 of 10

    A new scalar induces transient bias to decay CP domain walls from spontaneous CP violation while its oscillations constitute dark matter.

  2. Solving the strong CP problem in string-inspired theories with modular invariance

    hep-ph 2025-05 conditional novelty 6.0 of 10

    Modular invariance can suppress the QCD theta angle to zero in string-inspired supersymmetric models with positive modular weights and non-trivial gauge kinetic functions, while the CKM phase stays large.

  3. Exploring the Landscape of Spontaneous CP Violation in Supersymmetric Theories

    hep-ph 2025-10 unverdicted novelty 5.0 of 10

    Spontaneous CP violation is realized in SUSY via an extended spurion formalism in the exact limit and a model with intermediate-scale breaking along pseudo-flat directions stabilized by soft terms and non-perturbative...

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