Calculated fitting coefficients for E7M9
cos(theta_pi)	f	chi2	A	dA	B	dB	C	dC
-0.875	3	0.9537	0.532561		-0.0348683		-0.234945		0.0077915	0.021123
-0.625	3	0.8687	1.49021		-0.860951		0.195884		-0.13786	0.045358
-0.375	3	0.3093	2.34218		-0.913427		-0.157802		-0.098398	0.047261
-0.125	3	0.5034	2.58439		-1.29241		0.0524573		-0.1393	0.04986
0.125	3	0.7032	2.76908		-0.70265		-0.101241		-0.23097	0.049306
0.375	3	3.344	1.68454		-0.791647		0.829383		-0.21973	0.026144
0.625	3	1.664	1.93038		0.475276		-0.281883		-0.41129	0.031878
0.875	3	2.054	0.992273		-0.149161		0.502277		-0.24411	0.028725