Determination of the pion-nucleon scattering lengths from partial-wave analyses

1980 ◽  
Vol 21 (5) ◽  
pp. 1289-1294 ◽  
Author(s):  
V. S. Zidell ◽  
R. A. Arndt ◽  
L. D. Roper
2002 ◽  
Vol 66 (1) ◽  
Author(s):  
T. E. O. Ericson ◽  
B. Loiseau ◽  
A. W. Thomas

Pion-nucleon scattering is analysed using a parametrization of the partial wave amplitudes as analytic functions of the energy. It is shown that the structure of the ‘second pionnucleon resonance´ is more complicated than previously thought.


1984 ◽  
Vol 148 (1-3) ◽  
pp. 28-30 ◽  
Author(s):  
B.K. Jennings ◽  
E.A. Veit ◽  
A.W. Thomas

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