Hard-Pion Current Algebra, Unitarization, andI=0s-WaveππScattering
- 1 December 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 2 (11) , 2628-2630
- https://doi.org/10.1103/physrevd.2.2628
Abstract
Using current algebra and a method of pole and cut dominance, a two-parameter effective-range formula for the scalar form factor is obtained. Our fit to the -wave phase shift derived from this result favors the "up-down" solution and supports the existence of a broad resonance.
Keywords
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