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The isospin bounds and phase-contours in pion-nucleon scattering

Authors
Journal
Nuclear Physics B
0550-3213
Publisher
Elsevier
Publication Date
Volume
84
Issue
1
Identifiers
DOI: 10.1016/0550-3213(75)90536-2

Abstract

Abstract In this paper we investigate the isospin constraints on differential and integrated (unpolarized and polarized) cross sections in pion-nucleon scattering. Defining Σ (n)- integrated cross sections and using the classical Minkowski and Hölder inequalities we obtain a large class of isospin bounds. The saturation of the isospin bounds is investigated using dispersion relation predictions and a CERN theoretical solution for the phase shifts.

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