Abstract
The gauge theory based on the graded Lie group SU( 2 1 ) (the so-called supersymmetric Weinberg-Salam model) attracted the attention of theorists some time ago, and attempts are now being made to incorporate this model into grand unified theories. Using a consistent normalization of the group generators, we wish to point out that the model predicts sin 2θ w = 1 2 .
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