Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-03-24
Phys.Rev.D62:093008,2000
Physics
High Energy Physics
High Energy Physics - Phenomenology
37 pages including 4 figures, corrected a misprint in Table I and several misprints in Fig. 4
Scientific paper
10.1103/PhysRevD.62.093008
A full account is given of the procedure used by the authors to construct an SO(10) supersymmetric grand unified model of the fermion mass matrices. Various features of the model which gives remarkably accurate results for the quark and lepton masses and mixings were presented earlier in separate publications. The construction of the matrices is first discussed in the framework of effective operators, from which one naturally obtains the maximal \nu_\mu - \nu_\tau mixing, while the small angle or maximal mixing solutions for the solar neutrinos depend upon the nature of the Majorana matrix. A set of Higgs and fermion superfields is then introduced from which the Higgs and Yukawa superpotentials uniquely give the structure of the mass matrices previously obtained. The right-handed Majorana matrix arises from one Higgs field coupling to several pairs of superheavy conjugate neutrino singlets. For the simple version considered, 10 input parameters accurately yield the 20 masses and mixings of the quarks and leptons, and the 3 masses of the right-handed neutrinos.
Albright Carl H.
Barr Sandra M.
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