Calculated fitting coefficients for E7M4
cos(theta_pi)	f	chi2	A	dA	B	dB	C	dC
-0.875	3	1.011	13.5205		-2.08535		1.69081		0.92756	0.12892
-0.625	3	0.6197	20.4423		-5.43299		4.18099		1.3105	0.16838
-0.375	3	0.854	25.351		-9.3799		1.96829		1.1893	0.21381
-0.125	3	1.421	25.4084		-8.87322		0.465943		0.72365	0.21453
0.125	3	1.402	25.8692		-10.0261		-0.814903		0.43616	0.21632
0.375	3	2.208	25.4848		-8.47085		-2.43065		0.30079	0.21507
0.625	3	1.059	20.6184		-6.16867		-1.90816		0.32436	0.18729
0.875	3	0.546	15.6092		-1.47064		-2.00235		-0.13782	0.15945