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arxiv: 0812.2090 · v2 · submitted 2008-12-11 · ✦ hep-ph

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Family Gauge Symmetry and Koide's Mass Formula

Y. Sumino
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classification ✦ hep-ph
keywords symmetryformulakoidefamilygaugemasscancellingcharged
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Koide's mass formula is an empirical relation among the charged lepton masses which holds with a striking precision. We propose a mechanism for cancelling the QED correction to Koide's formula. This is discussed in an effective theory with U(3) family gauge symmetry and a scenario in which this symmetry is unified with SU(2)_L symmetry at 10^2-10^3 TeV scale.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. A minimization theorem for the Koide ratio and its Standard Model calibration

    hep-ph 2026-05 unverdicted novelty 6.0

    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.