Explaining Why the u and d Quark Masses are Similar

I. Dorsner (Bartol Research Institute); S.M. Barr

Explaining Why the u and d Quark Masses are Similar

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arxiv hep-ph/0305090 v1 pith:AC2ZK56I submitted 2003-05-08 hep-ph

S.M. Barr , I. Dorsner (Bartol Research Institute) This is my paper

classification hep-ph

keywords quarkmassesallowapproachcontextcuriousevenexplaining

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An approach is suggested for modeling quark and lepton masses and mixing in the context of grand unified theories that explains the curious fact that m_u ~ m_d even though m_t >> m_b. The structure of the quark mass matrices is such as to allow a non-Peccei-Quinn solution of the Strong CP Problem.

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