Models for the non-static NΔ interaction

E. Kapon, E. Piasetzky, J. M. Eisenberg

Research output: Contribution to journalArticlepeer-review


The N Delta interaction in the intermediate energy range is treated in the framework of a scattering theory where the interaction is assumed to proceed via non-static multi-pion exchange. This interaction is studied in three models based on (i) the unitarisation of the Feynman one-pion exchange graph, (ii) the unitary model of Aaron and Amado (1968) and (iii) a realisation of the NV sector of the Lee model (1954). Ignoring spin and isospin effects, s-wave amplitudes and cross sections are calculated numerically within each model.

Original languageEnglish
Article number006
Pages (from-to)893-905
Number of pages13
JournalJournal of Physics G: Nuclear Physics
Issue number7
StatePublished - 1979


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