December 9, 2004Open Access

New solutions to the strong CP problem

SHStephen D. H. HsuASML (United States)FSFrancesco SanninoUniversity of Southern Denmark

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Resumen

We exhibit a solution to the strong CP problem in which ultraviolet physics renders the QCD θ angle physically unobservable. Our models involve new strong interactions beyond QCD and particles charged under both the new interactions and ordinary color.

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Hsu et al. (Thu,) studied this question.

synapsesocial.com/papers/69d7e8c35c3030ff03d1824a https://doi.org/https://doi.org/10.1016/j.physletb.2004.11.040

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