@article{oai:nagoya.repo.nii.ac.jp:00026936, author = {Okamoto, Yuko and Marshak, R. E.}, issue = {12}, journal = {Physical Review D}, month = {Dec}, note = {We reexamine the SU(7) preon model of Dimopoulos, Raby, and Susskind that is the only model known to violate the conjecture that the ’t Hooft indices for composite models satisfying complementarity are bounded in magnitude by 1. We show that the SU(7) model is in accord with this conjecture due to the hidden ‘‘family symmetry’’ SU(2).}, pages = {3923--3924}, title = {Constraint on ’t Hooft indices in preon models with complementarity}, volume = {34}, year = {1986} }