The anomalous chiral Lagrangian of order p(6)

Johan Bijnens, L Girlanda, P Talavera

    Research output: Contribution to journalArticlepeer-review

    Abstract

    dWe 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 ail 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.
    Original languageEnglish
    Pages (from-to)539-544
    JournalEuropean Physical Journal C. Particles and Fields
    Volume23
    Issue number3
    DOIs
    Publication statusPublished - 2002

    Subject classification (UKÄ)

    • Subatomic Physics

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