Calculated fitting coefficients for E7M6
cos(theta_pi)	f	chi2	A	dA	B	dB	C	dC
-0.875	3	2.086	3.06504		-0.722278		0.174506		0.30823	0.05329
-0.625	3	0.7056	5.62064		-2.64056		0.687615		0.25953	0.086233
-0.375	3	0.6681	8.05928		-2.4658		0.230013		0.088671	0.10573
-0.125	3	3.018	8.72007		-4.4124		0.827232		-0.044346	0.10186
0.125	3	1.059	8.89031		-3.48282		-0.177497		-0.27781	0.09224
0.375	3	0.3982	7.86329		-2.10901		0.0704216		-0.18455	0.080619
0.625	3	1.212	6.21374		-1.93311		-0.174515		-0.25087	0.072513
0.875	3	1.031	3.82717		-0.803674		0.195697		-0.19729	0.067278