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Light Neutrino Masses and Strong {CP} Problem

Authors
  • Shin, Michael
Publication Date
Dec 06, 1987
Identifiers
DOI: 10.1103/PhysRevLett.59.2515
OAI: oai:inspirehep.net:22824
Source
INSPIRE-HEP
Keywords
License
Unknown
External links

Abstract

A minimal extension of the standard model is proposed to incorporate the light-neutrino masses and the resolution of the strong CP problem. A unique light pseudo-Goldstone boson, whose coupling to the electron is 1 or 2 orders of magnitude greater than that of the conventional hadronic axion, arises from the model. The scale of Peccei-Quinn symmetry breaking is shown to be greater than 1010 GeV through its connection to the light-neutrino masses, and is further constrained if the (hypothetical) fourth family of quarks and leptons exists.

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