# U(3)-flavor nonet scalar as an origin of the flavor mass spectra

@article{Koide2008U3flavorNS,
title={U(3)-flavor nonet scalar as an origin of the flavor mass spectra},
author={Yoshio Koide},
journal={Physics Letters B},
year={2008},
volume={662},
pages={43-48}
}
• Y. Koide
• Published 8 February 2008
• Physics
• Physics Letters B
Abstract According to an idea that the quark and lepton mass spectra originate in a VEV structure of a U(3)-flavor nonet scalar Φ, the mass spectra of the down-quarks and charged leptons are investigated. The U(3) flavor symmetry is spontaneously and completely broken by non-zero and non-degenerated VEVs of Φ, without passing any subgroup of U(3). The ratios ( m e + m μ + m τ ) / ( m e + m μ + m τ ) 2 and m e m μ m τ / ( m e + m μ + m τ ) 3 are investigated based on a toy model.
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