α=0Wrong-Signature Pole inπNCharge Exchange

Publisher Website

25 October 1969

journal article
research article
Published by American Physical Society (APS) in Physical Review B

Vol. 186 (5) , 1510-1513
https://doi.org/10.1103/physrev.186.1510

Abstract

We make use of partial conservation of the axial-vector current and the finite-energy sum rules to investigate poles at the wrong-signature points in

π N

scattering amplitudes, and show that a wrong-signature pole at

α = 0

appears only in the helicity-flip amplitude.

Keywords

This publication has 10 references indexed in Scilit:

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Physical Review B, 1968
Evidence from πp phase shift analysis for nine more possible nucleon resonances
Physics Letters B, 1968
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Physical Review B, 1967
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Physical Review B, 1967
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