Calculated fitting coefficients for E76M13
cos(theta_pi)	f	chi2	A	dA	B	dB	C	dC
-0.875	3	3.927	0.367264		-0.068128		-0.19883		0.026258	0.037656
-0.625	3	1.603	0.303626		-0.162889		0.0265175		-0.035898	0.012682
-0.375	3	0.9899	0.484533		-0.0978269		-0.0623555		0.042847	0.012975
-0.125	3	0.3153	0.58302		-0.145655		0.00585361		0.032475	0.014173
0.125	3	0.734	0.535357		-0.155185		0.136574		0.039175	0.013509
0.375	3	0.8482	0.561389		-0.0908117		0.178576		0.061712	0.012547
0.625	3	0.775	0.619033		-0.10235		0.168987		0.061159	0.012564
0.875	3	1.761	0.618469		-0.0672652		0.12735		0.046381	0.010424