Chiral-loop and vector-meson contributions to η → ππγγ decays

Ll Ametller, J. Bijnens, A. Bramon, P. Talavera

Research output: Contribution to journalArticleResearchpeer-review

7 Citations (Scopus)


The process η → π0π0γγ is discussed in Chiral Perturbation Theory (ChPT). Special attention is devoted to one-loop corrections, η-η1 mixing effects and vector-meson dominance of ChPT counter-terms. The less interesting η → π+π- transition is briefly discussed too. © 1997 Elsevier Science B.V.
Original languageEnglish
Pages (from-to)370-378
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Publication statusPublished - 15 May 1997


Dive into the research topics of 'Chiral-loop and vector-meson contributions to η → ππγγ decays'. Together they form a unique fingerprint.

Cite this