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hep-ph2000★ 106 cited
Determination of the pion-nucleon coupling constant and scattering lengths
T. E. O. Ericson, B. Loiseau, A. W. Thomas
We critically evaluate the isovector GMO sum rule for forward pion-nucleon scattering using the recent precision measurements of negatively charged pion-proton and pion-deuteron sc…
hep-ph2000
How precisely can we determine the pion-nucleon coupling constant from the isovector GMO sum rule?
B. Loiseau, T. E. O. Ericson, A. W. Thomas
The isovector GMO sum rule for zero energy forward pion-nucleon scattering is critically studied to obtain the charged pion-nucleon coupling constant using the precise negatively c…