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Charge assignments in multiple-U(1) gauge theories

Will Loinaz, Tatsu Takeuchi

hep-pharXiv:hep-ph/9903362

Abstract

We discuss the choice of gauge field basis in multiple-U(1) gauge theories. We find that there is a preferred basis, specified by the charge orthogonality condition, in which the U(1) gauge fields do not mix under one-loop renormalization group running.

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