Calculated fitting coefficients for E7M14
cos(theta_pi)	f	chi2	A	dA	B	dB	C	dC
-0.875	3	1.186	1.04197		0.460264		-0.705608		-0.15165	0.02916
-0.625	3	1.229	0.9505		-0.166214		0.407405		-0.10608	0.03483
-0.375	3	0.5294	0.910646		-0.133844		0.266099		-0.011759	0.027107
-0.125	3	0.3973	1.25108		0.0426552		-0.484863		0.025972	0.028517
0.125	3	0.8604	1.53739		-0.466963		-0.75765		0.035404	0.031881
0.375	3	1.983	0.968043		-0.297279		-0.221849		0.029709	0.025667
0.625	3	1.481	0.732577		0.0117269		0.0700865		0.059359	0.019318
0.875	3	2.029	1.46367		0.184323		0.854749		0.053385	0.032943