Calculated fitting coefficients for E76M18
cos(theta_pi)	f	chi2	A	dA	B	dB	C	dC
-0.875	3	15.48	0.15089		-0.13093		-0.00310175		-0.00061035	0.011512
-0.625	3	4.543	0.243592		-0.0694276		0.0193843		-0.058582	0.0096922
-0.375	3	2.653	0.363481		-0.0596545		0.0548416		0.0040627	0.010342
-0.125	3	2.312	0.506243		-0.0542917		0.0846094		0.052401	0.01114
0.125	3	4.455	0.514401		-0.0679384		0.211678		0.022083	0.011235
0.375	3	0.8465	0.580955		0.026075		0.208559		-0.020536	0.011207
0.625	3	3.982	0.708173		-0.0674758		0.207024		-0.027628	0.011974
0.875	3	3.334	0.767229		-0.0764035		0.144631		0.023474	0.010509