Renormalization Group Equations in Gauge Theories with Multiple U(1) Groups

Abstract

Two-loop renormalization group equations in gauge theories with multiple U(1) groups are presented. Instead of normalizing the abelian gauge fields in canonical forms, we retain kinetic-mixing terms and treat the mixing coefficients as free parameters. The beta- and gamma-functions are then obtained in a straightforward manner.

revtex4, 5 pages, 1 figure

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