Isospin Decomposition of Eta Production Multipoles.

Choose h angular momentum l : 

Choose multipoles: El+ El- Ml+ Ml- Ll+ Ll- Sl+ Sl-

Model input (on and off): Born  r (770) w(783)
Resonances:  S11(1535)  S11(1650)  P11(1710) P13(1720)
D13(1520)  D13(1700)  D15(1675) F15(1680)

Choose kinematical variables

choose an independent (running) variable: 

choose values for Q², W, step size and maximum value:
Q² (GeV/c)²
W (MeV)
upper value

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