Investigation of anomalous axial QED

Details Investigation of anomalous axial QED Investigation of anomalous axial QED

1997-03-18

arxiv.org/abs/hep-th/9703130v2

Phys.Rev. D56 (1997) 5135-5139

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, Latex, 3 figures, needed macro: psbox.tex; changes: a note rebuffing a recent criticism, and some references added

Scientific paper

10.1103/PhysRevD.56.5135

Although axial QED suffers from a gauge anomaly, gauge invariance may be
maintained by the addition of a nonlocal counterterm. Such nonlocal
conterterms, however, are expected to ruin unitarity of the theory. We
explicitly investigate some relevant Feynman diagrams and show that, indeed,
unitarity is violated, contrary to recent claims.

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