Current algebra and physical ππ scattering View Full Text


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Article Info

DATE

1968-12

AUTHORS

G. Carbone, E. Donini, S. Sciuto, G. Furlan

ABSTRACT

Summaryππ scattering lengths are calculated by using current algebra and the dispersion theory of low-energy limits. The corrections to the simplest use of the PCAC assumption are evaluated supposing a sizeables-wave ππ interaction schematized by the σ-particle. By using a further sum rule of superconvergence type to calculate the off-mass-shell form factor of σππ coupling, we obtain values fora0, as a function of the σ mass only, which are not in disagreement with the other theoretical predictions. More... »

PAGES

668-680

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf02825362

DOI

http://dx.doi.org/10.1007/bf02825362

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1039030157


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