Solutions to the strong CP problem in a world with gravity
- Santa Barbara, KITP; Carnegie Mellon U.
- Santa Barbara, KITP; Harvard U.
- Vanderbilt U.
- Santa Barbara, KITP; Fermilab; Chicago U., Astron. Astrophys. Ctr.; Chicago U., EFI
- Fermilab; Chicago U., Astron. Astrophys. Ctr.; Chicago U., EFI
- Santa Barbara, KITP; Canadian Inst. Theor. Astrophys.
We examine the sensitivity of several solutions of the strong-CP problem to violations of global symmetries by Planck scale physics. We find that the Peccei-Quinn solution is extremely sensitive to U(1)_PQ violating operators of dimension less than 10. We construct models in which the PQ symmetry is protected by gauge symmetries to the requisite level.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1156327
- Report Number(s):
- NSF-ITP-92-06; CMU-HEP92-05; FERMILAB-PUB-92-034-A; HUTP-92-A011; VAND-TH-92-2; arXiv:hep-ph/9203206; oai:inspirehep.net:332731
- Journal Information:
- Phys.Lett.B, Vol. 282
- Country of Publication:
- United States
- Language:
- English
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