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Solution of the Strong CP Problem by Color Exchange

1985; American Physical Society; Volume: 55; Issue: 21 Linguagem: Inglês

10.1103/physrevlett.55.2253

1092-0145

S. M. Barr, A. Zee,

Cosmology and Gravitation Theories

We present a new way to solve the strong $\mathrm{CP}$ problem in models with a spontaneously broken $\mathrm{CP}$ invariance. It is simpler than existing non-Peccei-Quinn approaches. It predicts the existence of light (i.e., weak scale) colored Higgs bosons which could be seen in colliders.