Calculated fitting coefficients for E8M21
theta_pi	f	chi2	A	dA	B	dB	C	dC
7.5	1	0.7648	11.449	0.49199	0.0054244	0.66347	2.7152	0.67288		
7.5	2	1.243	11.439	0.4056	-0.027601	0.56193	2.7675	0.53347	-0.38158	0.52968
22.5	1	0.8355	8.1554	1.6718	-1.1764	1.4922	1.5101	2.7606		
22.5	2	1.044	3.9395	1.9781	-6.2065	2.4018	-6.0295	3.5133	-1.9796	0.96893
37.5	1	0.531	7.5403	1.4444	-1.1579	1.8187	1.9703	1.6916		
37.5	2	1.589	4.9457	2.5869	-4.1686	2.9992	-3.6025	5.8593	-1.9874	2.2077
52.5	1	0.4095	5.3524	0.29494	-2.3214	0.50946	0.29579	0.61128		
52.5	2	0.4665	5.9218	0.51046	-1.9414	0.44839	0.65946	0.55931	0.84766	0.6159
67.5	1	0.3596	4.239	0.1554	-2.1551	0.23123	-0.15547	0.16461		
67.5	2	0.7798	4.2489	0.1018	-2.1847	0.15908	-0.14728	0.10411	-0.046588	0.12524
82.5	1	0.4045	3.8217	0.18276	-2.1998	0.25636	-0.31219	0.30314		
82.5	2	1.484	3.7361	0.17097	-2.3831	0.27951	-0.4848	0.29649	-0.17058	0.20343
97.5	1	0.1726	3.6018	0.10915	-2.006	0.15314	-0.48908	0.13539		
97.5	2	0.3819	3.5901	0.065319	-1.9952	0.090912	-0.47239	0.08063	-0.078783	0.088658
112.5	1	0.2402	3.3791	0.10592	-1.7736	0.14847	-0.41322	0.13025		
112.5	2	0.6117	3.3799	0.064938	-1.7742	0.089515	-0.43059	0.077446	0.082937	0.088244
127.5	1	0.2664	2.6898	0.10439	-1.1875	0.14686	-0.36516	0.14337		
127.5	2	0.644	2.6881	0.068232	-1.1813	0.097154	-0.36324	0.094781	-0.051271	0.093326
142.5	1	0.1144	1.9708	0.58012	-1.0071	0.48949	0.13383	0.96471		
142.5	2	0.2075	1.7699	1.342	-1.2274	1.468	0.45951	2.3005	0.11164	0.59708