Scattering Amplitude of {\pi}N on the Second Sheet

Feb 15, 2013
5 pages
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Abstract: (arXiv)
We propose parameterization procedures of the scattering amplitude f_{1+}^{3}(s)) with a view to extracting the pole parameters from data in the elastic region of {\pi}N scattering. This is achieved by considering the analyticity properties of partial wave amplitudes directly and writing dispersion relations for the amplitude explicitly.
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  • 2 Figures, 1 Table