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Title: Solutions to the strong CP problem in a world with gravity

Journal Article · · Phys.Lett.B
ORCiD logo [1];  [2]; ORCiD logo [3]; ORCiD logo [4];  [5];  [6]
  1. Santa Barbara, KITP; Carnegie Mellon U.
  2. Santa Barbara, KITP; Harvard U.
  3. Vanderbilt U.
  4. Santa Barbara, KITP; Fermilab; Chicago U., Astron. Astrophys. Ctr.; Chicago U., EFI
  5. Fermilab; Chicago U., Astron. Astrophys. Ctr.; Chicago U., EFI
  6. 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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