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Published November 9, 1970 | public
Journal Article Open

Complex Regge poles in the cut j plane: Pion-nucleon charge-exchange scattering

Abstract

The structure of the pole-cut combination in πN charge-exchange scattering for t<~0 is represented by a pair of complex poles. Excellent fits to the πN charge-exchange differential cross section, polarization, and total cross-section difference σt(π-p)-σt(π+p) are obtained for the two examples considered, Imα=gsqrt[-t] and Imα=g. The phases of the residues are allowed to vary and a zero in ImA′(-) (the "crossover" zero) is obtained.

Additional Information

©1970 The American Physical Society. Received 31 July 1970. Work supported in part by the Atomic Energy Commission under Contract No. AEC AT(11-1)34 P107A.

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Created:
August 22, 2023
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October 16, 2023