Grand unification of μ - τ symmetry

R. N. Mohapatra, S. Nasri, Hai Bo Yu

Research output: Contribution to journalArticlepeer-review

65 Citations (Scopus)


Near maximal neutrino mixing needed to understand atmospheric neutrino data can be interpreted to be a consequence of an interchange symmetry between the muon and tau neutrinos in the neutrino mass matrix in the flavor basis. This idea can be tested by a measurement of the neutrino mixing parameter θ13 and looking for its correlation with θ23 - π / 4. We present a supersymmetric SU(5) grand unified model for quarks and leptons which obeys this exchange symmetry and is a realistic model that can fit all observations. GUT embedding shifts θ13 from its zero μ - τ symmetric value to a nonzero value keeping it under an upper limit.

Original languageEnglish
Pages (from-to)114-118
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number2
Publication statusPublished - May 4 2006
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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