Scattering in QCD

Véronique Bernard, Norbert Kaiser, Ulf G. Meissner

Research output: Contribution to journalArticlepeer-review

57 Scopus citations


We evaluate the scattering amplitude at next-to-leading order in chiral perturbation theory. We discuss the conventional approach of the pseudoscalar Goldstone bosons (, K, ) only and an extension including explicit resonance fields. The contributions of these resonances saturate the low-energy constants at order E4. We present predictions for the scattering lengths and phase shifts of the low partial waves.

Original languageEnglish
Pages (from-to)3698-3701
Number of pages4
JournalPhysical Review D
Issue number11
StatePublished - 1991
Externally publishedYes


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