The following notation of the coincidence cross
section will be used in our calculations. Further details can be found
in D. Drechsel and L. Tiator, J. Phys. G 18 (1992) 449-497. (scanned
version)
Channel: proton
Model input (on and off):
Background:
r(770)
w(783)
Resonances:
S11
P11
P13
Choose a resonance fit:
S11 + (r,
w)
Regge trajectories
S11 + P11
+ (r,
w) Regge trajectories
S11 + P13
+ (r,
w) Regge trajectories
Choose kinematical variables:
choose values for Wmin, step
size and maximum value: