Calculated fitting coefficients for E8M3
theta_pi	f	chi2	A	dA	B	dB	C	dC
7.5	1	1.562	7.5607	0.4839	-0.42386	0.66243	-1.3316	0.68572		
7.5	2	2.318	7.3529	0.38025	-0.5316	0.51354	-1.2414	0.53818	-0.8839	0.54147
22.5	1	1.014	6.5686	0.24352	-0.14044	0.35437	-2.169	0.34458		
22.5	2	1.872	6.5383	0.18881	-0.14233	0.27856	-2.154	0.2681	0.12817	0.2663
37.5	1	0.2954	7.1489	0.44003	-2.5006	0.59458	-2.8621	0.3969		
37.5	2	0.4934	7.1093	0.46283	-2.5773	0.55723	-2.9675	0.37468	0.080761	0.49383
52.5	1	0.6762	6.4451	0.307	-1.8182	0.57584	-4.4826	0.54059		
52.5	2	1.243	6.6801	0.36745	-1.7127	0.43582	-4.3522	0.4124	0.62233	0.5507
67.5	1	0.212	7.5061	0.29145	-2.2781	0.48562	-3.8133	0.49436		
67.5	2	0.6551	7.5864	0.29623	-2.1752	0.36213	-3.7222	0.34394	0.1414	0.44174
82.5	1	0.1891	7.8317	0.35567	-2.8651	0.52739	-2.9382	0.60844		
82.5	2	0.491	7.7362	0.37171	-2.9986	0.49904	-3.0959	0.58784	-0.17495	0.4233
97.5	1	0.5171	7.384	0.4347	-3.3183	0.58641	-2.3989	0.76301		
97.5	2	1.316	7.5855	0.51632	-3.0086	0.66723	-1.9985	0.82914	0.36216	0.50244
112.5	1	0.2484	7.6259	0.34457	-2.7271	0.51983	-1.0842	0.52156		
112.5	2	0.4421	7.655	0.2711	-2.7903	0.47577	-1.061	0.45303	0.079539	0.45156
127.5	1	1.155	7.9604	0.50911	-3.1482	0.78445	-1.3564	0.86081		
127.5	2	1.955	8.3512	0.51266	-2.4386	0.82845	-2.0935	0.92254	-0.9474	0.58837
142.5	1	0.2129	5.4429	14.085	-6.0317	9.2251	7.1241	21.149		
142.5	2	0.5356	6.0035	11.014	-5.6664	9.5203	6.2095	17.927	0.0067028	3.496