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mitchell porter
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http://arxiv.org/abs/1106.0971" .
I regard Koide's relation for the charged lepton masses as the most neglected clue in particle physics. It's amazing that it isn't routinely discussed when people talk about BSM physics. The inherent difficulty of explaining it ought to be attracting attention from ambitious theorists.
A while back, Yukinari Sumino produced a http://arxiv.org/abs/0903.3640" for it. As a model, I don't think it fit anyone's agenda very well - a new symmetry, nine new scalar fields, a new hierarchy problem - but at least it was trying to explain some neglected data.
Now Koide himself has taken it a little further by combining Sumino's model with a GUT. Perhaps the model-building mainstream will now get involved?
I regard Koide's relation for the charged lepton masses as the most neglected clue in particle physics. It's amazing that it isn't routinely discussed when people talk about BSM physics. The inherent difficulty of explaining it ought to be attracting attention from ambitious theorists.
A while back, Yukinari Sumino produced a http://arxiv.org/abs/0903.3640" for it. As a model, I don't think it fit anyone's agenda very well - a new symmetry, nine new scalar fields, a new hierarchy problem - but at least it was trying to explain some neglected data.
Now Koide himself has taken it a little further by combining Sumino's model with a GUT. Perhaps the model-building mainstream will now get involved?
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