Abstract.
We construct the effective chiral Lagrangian for chiral perturbation theory in the mesonic odd-intrinsic-parity sector at order \(p^6\). The Lagrangian contains 24 in principle measurable terms and no contact terms for the general case of \(N_f\) light flavors, 23 terms for three and 5 for two flavors. In the two flavor case we need a total of 13 terms if an external singlet vector field is included. We discuss and implement the methods used to reduce to a minimal set. The infinite parts needed for renormalization are calculated and presented as well.
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Received: 31 October 2001 / Revised version: 18 December 2001 / Published online: 22 February 2002
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Bijnens, J., Girlanda, L. & Talavera, P. The anomalous chiral Lagrangian of order \(p^6\) . Eur. Phys. J. C 23, 539–544 (2002). https://doi.org/10.1007/s100520100887
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DOI: https://doi.org/10.1007/s100520100887