Abstract
Anomalous U(1)A SUSY GUT models are atractive because they can solve many difficulties in SUSY GUT models. In anomalous U(1)A SUSY GUT models, nucleon decay amplitudes of dim 6 effective interactions are larger than that of dim 5 effective interactions. Then, I discuss dim 6 effective interactions in some models, and predict proton lifetimes for many decay modes by calculating interactions. First, I fix unitary matrices that make Yukawa coupling matrices diagonalize, and predict proton lifetimes. Second, I study uncertainties of these unitary matrices, and show these effects on proton lifetimes. From these results, I show that we can distinguish some models from by nucleon decay.
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