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1997-09-10
Low-Energy Pion-Nucleon Interaction and the Sigma-Term
M. E. Sainio
文献摘要
A dispersion framework, appropriate for discussing the low-energy pion-nucleon interaction, is reviewed. Sensitivity of the isoscalar D-amplitude at the unphysical Cheng-Dashen point to input from different phase shift analyses and low-energy experiments is discussed.
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