The Coupling of the Pion to Two Gauge Fields and to Leptons in a Dynamically Broken Gauge Theory

Details The Coupling of the Pion to Two Gauge Fields and to Leptons in a Dynamically Broken Gauge Theory The Coupling of the Pion to Two Gauge Fields and to Leptons in a Dynamically Broken Gauge Theory

1993-06-18

arxiv.org/abs/hep-ph/9306285v2

Mod.Phys.Lett. A9 (1994) 3053-3062

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages. Latex file, 5 postscript figures included. Preprint PAR-LPTHE 93/35. The file for the figures had been badly transmi

Scientific paper

10.1142/S0217732394002884

We show how a spontaneously broken gauge theory of fermions endowed with a composite scalar multiplet becomes naturally anomaly-free, and yet describes the correct couplings of the pion to two gauge fields and to leptons: the first coupling is the same as computed from the chiral anomaly, and the second identical with that obtained from the `Partially Conserved Axial Current' hypothesis. For the sake of simplicity, we only study here the abelian case.

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