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

Desai, Bipin R. and Kaus, Peter and Park, Robert T. and Zachariasen, F. (1970) Complex Regge poles in the cut j plane: Pion-nucleon charge-exchange scattering. Physical Review Letters, 25 (19). pp. 1389-1392. ISSN 0031-9007.

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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.

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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.
Issue or Number:19
Record Number:CaltechAUTHORS:DESprl70
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4298
Deposited By: Tony Diaz
Deposited On:18 Aug 2006
Last Modified:02 Oct 2019 23:11

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