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Light-Heavy Symmetry: Geometric Mass Hierarchy For Three Families, Aharon Davidson, Tomer Schwartz, Kameshwar C. Wali

Physics - All Scholarship

The Universal Seesaw pattern coupled with a Light

↔ Heavy symmetry principle leads to the Diophantine equation N =NXi =1ni, where ni ≥ 0 and distinct. Its unique non-trivial solution (3 = 0+1+2) gives rise to the geometric mass hierarchy mW, mWǫ, mWǫ2 for N = 3 fermion families. This is realized in a model where the hybrid (yet Up ↔ Down symmetric) quark mass relations m dmt ≈ m2 c ↔ mumb ≈ m2 s play a crucial role in expressing the CKM mixings in terms of simple mass ratios, notably sin θC ≈ m c m b . …