A Comprehensive Study on Gamma-Ray Exposure Build-Up Factors and Fast Neutron Removal Cross Sections of Fly-Ash Bricks

Table 4

GP fitting parameters for FAB3 and FAB4.

Energy (MeV)	𝑏	𝑐	𝑎	𝑋𝐾	𝑑
	FAB3
0.015	1.025	0.366	0.240	13.337	−0.164
0.02	1.054	0.417	0.188	16.831	−0.110
0.03	1.180	0.396	0.216	14.016	−0.116
0.04	1.377	0.458	0.189	14.341	−0.108
0.05	1.618	0.567	0.141	15.031	−0.086
0.06	1.854	0.683	0.099	15.149	−0.055
0.08	2.327	0.808	0.068	14.016	−0.051
0.1	2.542	0.984	0.020	13.835	−0.034
0.15	2.667	1.232	−0.034	11.093	−0.010
0.2	2.624	1.341	−0.052	8.518	−0.007
0.3	2.448	1.444	−0.074	18.446	0.013
0.4	2.333	1.449	−0.077	16.798	0.015
0.5	2.231	1.439	−0.077	16.307	0.016
0.6	2.154	1.418	−0.075	16.966	0.019
0.8	2.039	1.377	−0.071	15.559	0.021
1	1.964	1.323	−0.063	16.748	0.020
1.5	1.859	1.231	−0.048	15.503	0.017
2	1.787	1.155	−0.033	16.105	0.011
3	1.675	1.063	−0.013	15.611	−0.002
4	1.600	0.996	0.005	12.989	−0.009
5	1.538	0.944	0.022	11.222	−0.021
6	1.480	0.930	0.026	11.870	−0.020
8	1.405	0.902	0.034	13.775	−0.028
10	1.343	0.884	0.041	13.114	−0.033
15	1.255	0.841	0.059	14.267	−0.052
	FAB4
0.015	1.024	0.357	0.252	12.616	−0.172
0.02	1.051	0.426	0.179	17.628	−0.108
0.03	1.171	0.395	0.215	14.076	−0.033
0.04	1.360	0.453	0.190	14.365	−0.107
0.05	1.592	0.553	0.147	14.928	−0.080
0.06	1.820	0.666	0.105	15.025	−0.058
0.08	2.278	0.788	0.074	13.592	−0.051
0.1	2.494	0.964	0.025	13.941	−0.037
0.15	2.635	1.213	−0.030	11.426	−0.012
0.2	2.601	1.326	−0.049	8.863	−0.008
0.3	2.434	1.435	−0.072	19.060	0.013
0.4	2.325	1.440	−0.075	17.165	0.014
0.5	2.223	1.433	−0.076	16.309	0.016
0.6	2.146	1.415	−0.075	16.510	0.018
0.8	2.035	1.374	−0.071	15.691	0.020
1	1.959	1.322	−0.063	16.955	0.020
1.5	1.857	1.230	−0.048	15.815	0.017
2	1.786	1.155	−0.033	15.976	0.011
3	1.674	1.064	−0.013	16.447	−0.002
4	1.598	0.997	0.005	13.010	−0.009
5	1.538	0.942	0.023	10.541	−0.022
6	1.482	0.932	0.025	11.955	−0.020
8	1.405	0.902	0.034	13.818	−0.028
10	1.343	0.885	0.041	13.101	−0.033
15	1.254	0.844	0.058	14.253	−0.051