Pseudoscalar decays into two photons in chiral perturbation theory

Johan Bijnens, Albert Bramon, Fernando Cornet

Research output: Contribution to journalArticleResearchpeer-review

94 Citations (Scopus)


We study the one-loop corrections in chiral perturbation theory to the and * decays of the pseudoscalar mesons. The latter are divergent, thus requiring the existence of dimension-six terms contributing to the anomalous Lagrangian. Some examples of such terms are given. We also discuss the experimental consequences of the next-to-leading terms. © 1988 The American Physical Society.
Original languageEnglish
Pages (from-to)1453-1456
JournalPhysical Review Letters
Publication statusPublished - 1 Jan 1988


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