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[2]: TKY-TC (YAYOI thermal column) |
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□ Experimental system |
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Filter: No filter. Irradiation with neutrons after 820mm pas through the air (ϕ=200mm) collimated with B4C and parafin. |
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E(ave)=0.477 MeV, Gamma contamination (E=1.432 MeV)=15.7 % at Gy level |
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Materials: Human peripheral blood (whole blood irradiation) |
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Date: 1990.11.20. |
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Dose |
No. of |
Aberrations |
Distribution of cells with indicated number of aberrarions |
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(Gy) |
cells |
Tet |
Tri |
Dic |
Rc |
Ra |
aM |
F |
del |
S |
del |
Aber |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
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0 |
300 |
0 |
0 |
0 |
0 |
0 |
2 |
2 |
2 |
2 |
2 |
Dics |
300 |
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D+R |
300 |
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All |
296 |
4 |
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0.12 |
300 |
0 |
0 |
42 |
14 |
2 |
4 |
57 |
9 |
32 |
25 |
Dics |
261 |
36 |
2 |
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D+R |
247 |
48 |
5 |
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All |
237 |
38 |
19 |
4 |
2 |
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0.244 |
250 |
0 |
1 |
61 |
11 |
4 |
6 |
77 |
11 |
28 |
20 |
Dics |
196 |
46 |
7 |
1 |
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D+R |
188 |
48 |
12 |
2 |
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All |
175 |
46 |
21 |
5 |
3 |
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0.366 |
200 |
0 |
3 |
84 |
17 |
4 |
11 |
107 |
13 |
51 |
38 |
Dics |
135 |
45 |
15 |
5 |
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D+R |
124 |
50 |
17 |
9 |
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All |
108 |
46 |
23 |
14 |
6 |
3 |
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0.61 |
200 |
0 |
2 |
106 |
25 |
9 |
24 |
143 |
21 |
64 |
52 |
Dics |
110 |
71 |
18 |
1 |
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D+R |
96 |
71 |
27 |
5 |
1 |
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All |
73 |
59 |
37 |
19 |
10 |
1 |
1 |
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0.854 |
200 |
2 |
5 |
168 |
28 |
11 |
25 |
210 |
26 |
105 |
80 |
Dics |
83 |
76 |
25 |
11 |
2 |
2 |
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1 |
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D+R |
67 |
77 |
33 |
17 |
3 |
2 |
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1 |
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All |
47 |
63 |
33 |
29 |
13 |
8 |
4 |
2 |
1 |
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1.22 |
200 |
0 |
10 |
232 |
36 |
8 |
34 |
295 |
28 |
138 |
120 |
Dics |
55 |
72 |
49 |
16 |
7 |
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1 |
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D+R |
45 |
68 |
53 |
24 |
4 |
3 |
2 |
1 |
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All |
24 |
45 |
47 |
38 |
24 |
12 |
6 |
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3 |
1 |
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1.83 |
200 |
3 |
17 |
316 |
73 |
20 |
91 |
419 |
38 |
212 |
166 |
Dics |
18 |
17 |
61 |
27 |
8 |
7 |
2 |
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D+R |
12 |
53 |
66 |
34 |
19 |
8 |
7 |
1 |
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All |
5 |
17 |
51 |
40 |
32 |
12 |
11 |
15 |
11 |
3 |
1 |
1 |
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1 |
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. |
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Ref: |
Sasaki, M. S., Saigusa, S., Kimura, I., Kobayashi, T., Ikushima, T. and Kobayashi, K. (1992) Biological effectiveness of fission neutrons: Energy dependency and its implication |
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|
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for the risk assessment. In, Proc. Int. Conf. on Radiation Effects and Protection. March 18-20, 1992, Mito, Ibaraki. |
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Sasaki, M. S., Endo, S., Ejima, Y., Saito, I., Okamura, K., Oka, Y. and Hoshi, M. (2006) Effective dose fo A-bomb radiation in Hirohima and Nagasaki as assessed by chromosomal |
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effectiveness of spectrum energy photons and neutrons. Radiat. Environ. Biophys., 45:79-91. |
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Sasaki, M. S., Nomura, T., Ejima, Y., Utsumi, H., Endo, S., Saito, I., Itoh, T. and Hoshi, M. (2008) Experimental derivation of relative biological effectiveness of A-bomb neutrons |
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in Hiroshima and Nagasaki and implication for risk assessment. Radiat. Res., 170:101-117. |
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. |
