JAEA-Technology-2010-005.pdf:2.44MB - 日本原子力研究開発機構

JAEA-Technology 2010-005
Table 3-3 Characteristics of QI 0.8 series
Tube
voltage
(kV)
Irradiation
distance
(m)
Additional filter (mm)
Be Al Cu
Half-value layer (mm)
First Second
Homogen.
coefficient
Effective
energy
(keV)
Quality
index
QI
Dose rate
(mGy/h･mA
at 1m)
6 1.00 0.260 Be 0.900 Be 1.000 0.90 5.0 0.83 0.57
8 1.00 0.015 Al 0.027 Al 0.028 0.96 6.4 0.80 13
10 1.00 0.100 Al 0.050 Al 0.051 0.98 7.9 0.79 16
15 1.00 0.551 Al 0.165 Al 0.167 0.99 11.9 0.79 11
20 1.00 1.190 Al 0.370 Al 0.440 0.84 15.7 0.79 12
30 1.00 4.110 Al 1.220 Al 1.260 0.97 23.8 0.79 7.9
40 2.00 0.350 Cu 0.089 Cu 0.090 0.99 32.3 0.81 2.7
50 2.00 0.600 Cu 0.155 Cu 0.159 0.97 39.4 0.79 3.2
60 2.00 1.000 Cu 0.277 Cu 0.296 0.94 48.6 0.81 3.0
70 2.00 1.300 Cu 0.415 Cu 0.460 0.90 56.4 0.81 4.5
80 2.00 1.800 Cu 0.590 Cu 0.625 0.94 64.3 0.80 5.6
100 2.00 3.300 Cu 1.030 Cu 1.140 0.90 80.0 0.80 6.2
Table 3-4 Characteristics of QI 0.9 series
Tube
voltage
(kV)
Irradiation
distance
(m)
Additional filter (mm)
Al Cu
Half-value layer (mm)
First Second
Homogen.
coefficient
Effective
energy
(keV)
Quality
index
QI
Dose rate
(μGy/h･
mA at 1m)
8 1.00 0.231 Al 0.0375 Al 0.0381 0.98 7.2 0.90 81
10 1.00 0.451 Al 0.071 Al 0.072 0.99 8.9 0.89 184
15 1.00 1.690 Al 0.230 Al 0.240 0.96 13.4 0.89 158
20 1.00 4.210 Al 0.540 Al 0.585 0.92 17.9 0.90 105
30 1.00 0.350 Al 1.640 Al 1.760 0.93 26.5 0.88 149
40 2.00 0.800 Cu 0.119 Cu 0.121 0.98 35.9 0.90 114
50 2.00 1.600 Cu 0.225 Cu 0.257 0.88 45.1 0.90 75
60 2.00 2.800 Cu 0.365 Cu 0.385 0.95 53.8 0.90 62
70 2.00 4.200 Cu 0.566 Cu 0.574 0.99 63.3 0.90 73
80 2.00 6.680 Cu 0.800 Cu 0.820 0.98 72.3 0.90 45
100 2.00 11.49 Cu 1.375 Cu 1.400 0.98 90.5 0.91 60
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