Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-12-18
Physics
High Energy Physics
High Energy Physics - Theory
8 pages, LaTeX, revision treats only abelian anomaly, relates theory to Wess-Zumino model
Scientific paper
We consider theories with gauged chiral fermions in which there are abelian anomalies, and no nonabelian anomalies (but there may be nonabelian gauge fields present). We construct an associated theory that is gauge invariant, renormalizable, and with the same particle content, by adding a finite number of terms to the action. Alternatively one can view the new theory as arising from the original theory by using another regularization, one that is gauge invariant. The situation is reminiscent of the mechanism of adding Fadeev-Popov ghosts to an unsatisfactory gauge theory, to arrive at the usual quantization procedure. The models developed herein are much like the abelian Wess-Zumino model (an abelian effective theory with a Wess-Zumino counter term), but unlike the W-Z model are renormalizable!
Federbush Paul
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