Phys. Rev. D 60, 115008 (1999) [4 pages]Charge assignments in multiple-U(1) gauge theoriesReceived 16 March 1999; published 5 November 1999 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. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.60.115008
DOI:
10.1103/PhysRevD.60.115008
PACS:
12.60.Cn, 14.70.-e
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