Realistic supersymmetric preon models

Gupta, V. ; Joshipura, Anjan S. ; Mani, H. S. ; Ramachandran, R. (1986) Realistic supersymmetric preon models Physical Review D, 33 (3). pp. 856-858. ISSN 0556-2821

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Supersymmetric models with preons in a self-adjoint representation of the hypercolor group GHO are considered. Anomaly matching constraints and N-independence requirements of 't Hooft are imposed assuming that the flavor group Gf=SU(N)×U(1) and supersymmetry remain unbroken. This leads to solutions which are practically unique for every choice of GHO and which may be interpreted as grand unified theories containing a specific number of generations. All possible choices of GHO and Gf consistent with the asymptotic freedom of the former are listed. In particular, when GHC=SO(11), Gf is fixed as SU(6)×U(1) and the number of generations as four.

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