The strange formula of Dr. Koide
classification
✦ hep-ph
keywords
formulakoidebibliographicaldevelopmentsextensionshistoricalleptonmass
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We present a short historical and bibliographical review of the lepton mass formula of Yoshio Koide, as well as some speculations on its extensions to quark and neutrino masses, and its possible relations to more recent theoretical developments.
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Forward citations
Cited by 2 Pith papers
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A minimization theorem for the Koide ratio and its Standard Model calibration
A theorem establishes that the one-particle extension of any Koide-ratio mass set reaches a unique minimum Qmin = Q0/(1+Q0) at m* = [(sum mi)/(sum sqrt(mi))]^2, with the lepton-plus-charm case landing 6 ppm above the ...
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A minimization theorem for the Koide ratio and its Standard Model calibration
Extending any positive-mass set by one particle minimizes the Koide ratio to Q0/(1+Q0) at m* = [(sum mi)/(sum sqrt(mi))]^2; adding the charm mass to leptons yields a value only 6 ppm above the ideal 2/5.
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