Transverse Polarization Observables

in standard photoproduction notation

16 polarization observables, for definition see e.g.
L.S. Barker, A. Donnachie, J.K. Storrow, Nucl. Phys. B 95 (1975) 347 or
G. Knoechlein, D. Drechsel, L. Tiator, Z. Phys. A 352 (1995) 327-343

DSG, T, P, S, E, F, G, H, Cx', Cz', Ox', Oz', Tx', Tz', Lx', Lz'

Channel: (pi0,p) (pi0,n) (pi+,n) (pi-,p)
Choose groups of observables:  DSG, T, P, S, E, F, G, H
Cx', Cz', Ox', Oz', Tx', Tz', Lx' 
Choose kinematical variables
choose an independent (running) variable: Q² W Q
choose values for Q², W, Q, step size and maximum value:
Q² (GeV/c)²
W (MeV)
Q (deg)
increment
upper value
click here
Change of model parameters:
O(q3) (all couplings in GeV-2)
0
+
-
d9
d8
d20
d21
O(q4) (all couplings in GeV-3)
Isospin 0
e48
e49
e50
e51
e52
e53
e112
Isospin +
e67
e68
e69
e71
e72
e73
e113
Isospin -
e70
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