Calculated fitting coefficients for E7M7
cos(theta_pi)	f	chi2	A	dA	B	dB	C	dC
-0.875	3	0.5298	1.75672		-0.413187		-0.328739		0.16491	0.042744
-0.625	3	0.8688	3.14843		-1.06017		0.215595		0.1352	0.066864
-0.375	3	1.046	4.23258		-1.09165		-0.05982		0.084402	0.067231
-0.125	3	1.003	5.24712		-1.64251		-0.26688		-0.15851	0.071295
0.125	3	0.8154	4.97454		-1.42534		0.0514551		-0.22783	0.06302
0.375	3	1.351	3.98909		-1.00914		0.291843		-0.23177	0.051372
0.625	3	1.648	3.12821		-0.131083		-0.351641		-0.22831	0.041354
0.875	3	0.9973	2.1528		-0.182175		0.21998		-0.20033	0.045135