Chiral symmetry and pion polarizabilities

D. Babusci*, S. Bellucci, G. Giordano, G. Matone, A. M. Sandorfi, M. A. Moinester

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We use chiral perturbation theory including one-loop contribution to derive formulae needed to deduce pion polarizabilities for γπ→γπ and γγ→ππ data. We deduce for the first time values for the π± and π0 polarizabilities from ππ production data, and compare these new results to chiral symmetry predictions.

Original languageEnglish
Pages (from-to)158-162
Number of pages5
JournalPhysics Letters B
Issue number1-2
StatePublished - 27 Feb 1992


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