New Solutions to the Strong CP Problem

S. D. H. Hsu, F. Sannino

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Abstrakt

We exhibit a solution to the strong CP problem in which ultraviolet physics renders the QCD theta angle physically unobservable. Our models involve new strong interactions beyond QCD and particles charged under both the new interactions and ordinary color.
OriginalsprogEngelsk
TidsskriftPhysics Letters B: Particle Physics, Nuclear Physics and Cosmology
Vol/bind605
Udgave nummer3-4
Sider (fra-til)369-375
ISSN0370-2693
DOI
StatusUdgivet - 13. jan. 2005
Udgivet eksterntJa

Bibliografisk note

RevTex, 2-columns, 5 pages, 1 fig. Revised version, including additional discussion of the UV theory and the low-energy effective theory, to appear in Physics Letters B

Emneord

  • hep-ph
  • hep-th

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