Modular Weights, U(1)'s and Mass MatricesModular Weights, U(1)'s and Mass Matrices

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 Author Leontaris, G. K. ♦ Tracas, N. D. Source arXiv.org Content type Text File Format PDF Date of Submission 1997-09-30 Language English
 Subject Domain (in DDC) Computer science, information & general works ♦ Natural sciences & mathematics ♦ Physics Subject Keyword High Energy Physics - Phenomenology ♦ physics:hep-ph Abstract We derive the scalar mass matrices in effective supergravity models augmented by a $U(1)_F$ family symmetry. Simple relations between $U(1)_F$ charges and modular weights of the superfields are derived and used to express the matrices with a minimum number of parameters. The model predicts a branching ratio for the $\mu\to e\gamma$ process close to the present experimental limits. Description Comment: LaTex file, 11 pages, 1 Figure.Typos corrected and a reference has been added. Accepted in Phys. Lett. BReference: Phys.Lett. B419 (1998) 206-210 Educational Use Research Learning Resource Type Article Page Count 11