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.
New solutions to the strong CP problem / Hsu, S. D. H.; Sannino, F.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 605:3-4(2005), pp. 369-375. [10.1016/j.physletb.2004.11.040]
New solutions to the strong CP problem
Sannino F.
2005
Abstract
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.File in questo prodotto:
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