Table 1.
Proton energy (MeV) | Sitting phantom | Standing phantom | Relative difference (RD) (%) | ||
---|---|---|---|---|---|
E/Φ (pSv.cm²) | Relative error (%) | E/Φ (pSv.cm²) | Relative error (%) | ||
AP | |||||
2 | 5.63 | 0.01 | 6.83 | 0.01 | −18 |
5 | 14.05 | 0.01 | 17.06 | 0.01 | −18 |
10 | 28.04 | 0.01 | 34.04 | 0.01 | −18 |
20 | 110 | 0.2 | 120 | 0.2 | −8 |
30 | 523 | 0.1 | 550 | 0.2 | −5 |
50 | 973 | 0.09 | 1035 | 0.1 | −6 |
100 | 2056 | 0.04 | 2198 | 0.04 | −7 |
150 | 2291 | 0.04 | 2354 | 0.04 | −3 |
200 | 1789 | 0.04 | 1841 | 0.04 | −3 |
500 | 1165 | 0.05 | 1133 | 0.05 | 3 |
1000 | 1103 | 0.06 | 1071 | 0.07 | 3 |
2000 | 1100 | 0.08 | 1072 | 0.09 | 3 |
5000 | 1248 | 0.09 | 1212 | 0.1 | 3 |
10 000 | 1478 | 0.1 | 1439 | 0.1 | 3 |
PA | |||||
2 | 5.64 | 0.01 | 6.84 | 0.01 | −18 |
5 | 14.07 | 0.01 | 17.08 | 0.01 | −18 |
10 | 28.07 | 0.01 | 34.07 | 0.01 | −18 |
20 | 36.09 | 0.01 | 44.23 | 0.01 | −18 |
30 | 32.53 | 0.02 | 39.49 | 0.02 | −18 |
50 | 75.47 | 0.05 | 81.43 | 0.04 | −7 |
100 | 1074 | 0.04 | 1103 | 0.05 | −3 |
150 | 2565 | 0.04 | 2588 | 0.05 | −1 |
200 | 1928 | 0.04 | 1940 | 0.04 | −1 |
500 | 1179 | 0.05 | 1189 | 0.05 | −1 |
1000 | 1117 | 0.06 | 1128 | 0.07 | −1 |
2000 | 1117 | 0.07 | 1124 | 0.09 | −1 |
5000 | 1252 | 0.08 | 1257 | 0.1 | −0.4 |
10 000 | 1496 | 0.09 | 1501 | 0.1 | −0.4 |
RLAT | |||||
2 | 4.51 | 0.02 | 3.88 | 0.01 | 16 |
5 | 11.26 | 0.02 | 9.67 | 0.01 | 16 |
10 | 22.46 | 0.02 | 19.30 | 0.01 | 16 |
20 | 32.11 | 0.05 | 29.77 | 0.07 | 8 |
30 | 62.0 | 0.3 | 64.2 | 0.2 | −3 |
50 | 275 | 0.2 | 295 | 0.2 | −7 |
100 | 801 | 0.1 | 856 | 0.07 | −6 |
150 | 1592 | 0.08 | 1396 | 0.04 | 14 |
200 | 2013 | 0.07 | 2004 | 0.05 | 0.5 |
500 | 1154 | 0.07 | 1140 | 0.05 | 1 |
1000 | 1099 | 0.08 | 1084 | 0.06 | 1 |
2000 | 1103 | 0.1 | 1089 | 0.07 | 1 |
5000 | 1265 | 0.1 | 1253 | 0.08 | 1 |
10 000 | 1514 | 0.1 | 1499 | 0.09 | 1 |
LLAT | |||||
2 | 4.51 | 0.02 | 3.88 | 0.01 | 16 |
5 | 11.26 | 0.02 | 9.67 | 0.01 | 16 |
10 | 22.47 | 0.02 | 19.30 | 0.01 | 16 |
20 | 32.51 | 0.06 | 31.06 | 0.09 | 5 |
30 | 65.0 | 0.3 | 73.2 | 0.2 | −11 |
50 | 277 | 0.3 | 292 | 0.2 | −5 |
100 | 966 | 0.09 | 800 | 0.07 | 21 |
150 | 1828 | 0.07 | 1427 | 0.04 | 28 |
200 | 2017 | 0.06 | 2072 | 0.05 | −3 |
500 | 1154 | 0.07 | 1142 | 0.05 | 1 |
1000 | 1097 | 0.08 | 1085 | 0.06 | 1 |
2000 | 1100 | 0.1 | 1090 | 0.07 | 1 |
5000 | 1258 | 0.1 | 1254 | 0.08 | 0.3 |
10 000 | 1503 | 0.1 | 1501 | 0.09 | 0.1 |
ROT | |||||
2 | 6.07 | 0.03 | 6.30 | 0.02 | −4 |
5 | 15.03 | 0.04 | 15.60 | 0.03 | −4 |
10 | 29.30 | 0.06 | 30.29 | 0.06 | −3 |
20 | 57.8 | 0.3 | 60.2 | 0.3 | −4 |
30 | 176 | 0.5 | 192 | 0.4 | −8 |
50 | 419 | 0.3 | 482 | 0.3 | −13 |
100 | 1270 | 0.1 | 1357 | 0.1 | −6 |
150 | 2223 | 0.1 | 2139 | 0.1 | 4 |
200 | 2096 | 0.1 | 1988 | 0.09 | 5 |
500 | 1251 | 0.1 | 1184 | 0.1 | 6 |
1000 | 1186 | 0.1 | 1122 | 0.1 | 6 |
2000 | 1189 | 0.2 | 1122 | 0.2 | 6 |
5000 | 1343 | 0.2 | 1274 | 0.2 | 5 |
10 000 | 1606 | 0.2 | 1517 | 0.2 | 6 |
ISO | |||||
2 | 4.85 | 0.02 | 4.83 | 0.02 | 0.5 |
5 | 11.97 | 0.03 | 11.93 | 0.03 | 0.3 |
10 | 23.10 | 0.04 | 23.14 | 0.05 | −0.2 |
20 | 44.05 | 0.2 | 45.8 | 0.2 | −4 |
30 | 138 | 0.3 | 147 | 0.3 | −6 |
50 | 387 | 0.2 | 410 | 0.3 | −6 |
100 | 959 | 0.09 | 1023 | 0.1 | −6 |
150 | 1696 | 0.08 | 1705 | 0.08 | −0.5 |
200 | 1810 | 0.07 | 1823 | 0.08 | −0.7 |
500 | 1157 | 0.07 | 1152 | 0.08 | 0.4 |
1000 | 1099 | 0.09 | 1093 | 0.1 | 0.5 |
2000 | 1104 | 0.1 | 1097 | 0.1 | 1 |
5000 | 1268 | 0.1 | 1263 | 0.1 | 0.5 |
10 000 | 1518 | 0.1 | 1505 | 0.2 | 1 |