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Таблица 2
Толщина защиты из железа
(в см) в зависимости от кратности
ослабления и энергии гамма-излучения
(широкий пучек; p
= 7,89 г/см3 )
|
Кратность ослабления
k |
Энергия гамма-излучения
hg
, Мэв |
| 0.1 |
0.2 |
0.3 |
0.4 |
0.5 |
0.6 |
0.7 |
0.8 |
0.9 |
1.0 |
| 1.5 |
0,5 |
0,9 |
1.2 |
1.4 |
1.6 |
1.7 |
1.85 |
2.0 |
2.05 |
2.1 |
| 2 |
0,7 |
1,2 |
1.7 |
2.2 |
2.5 |
2.7 |
2.9 |
3.1 |
3.2 |
3.3 |
| 5 |
1,4 |
2,5 |
3.4 |
4.1 |
4.8 |
5.1 |
5.5 |
5.7 |
6.1 |
6.4 |
| 8 |
1,7 |
3,1 |
4.2 |
5.1 |
5.8 |
6.3 |
6.7 |
7.1 |
7.5 |
7.8 |
| 10 |
1,9 |
3,5 |
4.6 |
5.6 |
6.3 |
6.8 |
7.3 |
7.7 |
8.1 |
8.5 |
| 20 |
2,3 |
4,3 |
5.7 |
6.8 |
7.7 |
8.3 |
8.8 |
9.4 |
9.8 |
10.3 |
| 30 |
2,4 |
4,5 |
6.2 |
7.5 |
8.5 |
9.2 |
9.8 |
10.4 |
10.9 |
1.4 |
| 40 |
2,5 |
4,8 |
6.6 |
8.0 |
9.1 |
9.8 |
10.5 |
11.1 |
11.7 |
12.2 |
| 50 |
2,9 |
5,2 |
7.1 |
8.4 |
9.5 |
10.3 |
11.0 |
11.6 |
12.2 |
12.7 |
| 60 |
3,1 |
5,6 |
7.5 |
8.8 |
9.8 |
10.7 |
11.4 |
12.1 |
12.7 |
13.2 |
| 80 |
3,2 |
5,9 |
7.7 |
9.2 |
10.4 |
11.2 |
12.0 |
12.7 |
13.4 |
14.0 |
| 100 |
3,4 |
6,1 |
8.1 |
9.6 |
10.8 |
11.7 |
12.5 |
13.2 |
13.9 |
14.5 |
| 2*102 |
4,2 |
7,0 |
9.1 |
10.7 |
12.0 |
13.1 |
14.0 |
14.8 |
15.6 |
16.3 |
| 5*102 |
4,4 |
7,7 |
10.1 |
12.0 |
13.7 |
14.9 |
16.0 |
7.0 |
17.9 |
18.7 |
| 103 |
4,5 |
8,2 |
11.0 |
13.2 |
15.0 |
16.3 |
17.5 |
18.0 |
19.6 |
20.5 |
| 2*103 |
4,9 |
9,0 |
11.1 |
14.4 |
16.2 |
17.7 |
19.0 |
20.2 |
21.2 |
22.2 |
| 5*103 |
5,6 |
10,1 |
13.4 |
15.8 |
17.7 |
19.3 |
20.7 |
22.0 |
23.2 |
24.3 |
| 104 |
6,8 |
11,5 |
14.7 |
17.1 |
19.0 |
20.7 |
22.3 |
23.6 |
24.9 |
26.0 |
| 2*104 |
8,0 |
12,9 |
16.0 |
18.3 |
20.2 |
21.9 |
23.4 |
24.8 |
26.3 |
27.6 |
| 5*104 |
8,6 |
13,8 |
17.0 |
19.6 |
21.8 |
23.6 |
25.2 |
26.9 |
28.4 |
29.9 |
| 105 |
10,0 |
15,8 |
18.2 |
20.8 |
23.0 |
24.9 |
26.7 |
28.4 |
30.0 |
31.5 |
| 2*105 |
11,3 |
15,9 |
19.3 |
21.8 |
24.1 |
26.1 |
28.1 |
29.9 |
31.6 |
33.3 |
| 5*105 |
12,0 |
16,9 |
20.4 |
23.2 |
25.6 |
27.8 |
29.9 |
31.8 |
33.6 |
35.4 |
| 106 |
12,8 |
17,0 |
21.4 |
24.2 |
26.7 |
28.9 |
31.2 |
33.3 |
35.2 |
37.0 |
| 2*106 |
13,5 |
18,9 |
22.1 |
25.0 |
7.7 |
30.3 |
32.7 |
34.8 |
36.8 |
38.7 |
| 5*106 |
14,5 |
19,4 |
23.2 |
26.5 |
29.3 |
32.2 |
34.6 |
36.7 |
38.8 |
40.9 |
| 107 |
15,0 |
20,3 |
24.3 |
27.6 |
30.5 |
33.2 |
35.8 |
38.1 |
40.2 |
42.4 |
Продолжение
таблицы
2
| Кратность ослабления
k |
Энергия гамма-излучения
hg
,
Мэв |
| 1.25 |
1.5 |
1.75 |
2 |
2.2 |
3 |
4 |
6 |
8 |
10 |
| 1.5 |
2.15 |
2.2 |
2.3 |
2.4 |
2.5 |
2.7 |
2.8 |
2.9 |
4.0 |
2.0 |
| 2 |
3.45 |
3.6 |
3.8 |
3.9 |
4.1 |
4.4 |
4.5 |
4.6 |
4.0 |
3.4 |
| 5 |
6.9 |
7.4 |
7.8 |
8.1 |
8.3 |
8.9 |
9.4 |
9.6 |
9.0 |
8.0 |
| 8 |
8.5 |
9.1 |
9.6 |
10.1 |
10.3 |
11.2 |
11.6 |
12.1 |
11.2 |
10.4 |
| 10 |
9.3 |
10.0 |
10.6 |
11.0 |
11.4 |
12.2 |
12.6 |
13.2 |
12.4 |
11.4 |
| 20 |
11.3 |
12.2 |
13.0 |
13.6 |
14.1 |
15.3 |
15.9 |
16.6 |
16.0 |
15.0 |
| 30 |
12.6 |
13.6 |
14.4 |
15.1 |
15.6 |
17.0 |
17.7 |
18.8 |
18.0 |
17.0 |
| 40 |
13.3 |
14.4 |
15.3 |
16.1 |
16.6 |
18.2 |
19.1 |
20.4 |
19.4 |
18.4 |
| 50 |
13.9 |
15.1 |
16.1 |
16.9 |
17.5 |
19.1 |
20.0 |
21.5 |
20.6 |
19.6 |
| 60 |
14.5 |
15.7 |
16.7 |
17.6 |
18.2 |
19.9 |
21.0 |
22.4 |
21.4 |
20.6 |
| 80 |
15.5 |
16.3 |
17.8 |
18.7 |
19.4 |
21.2 |
22.2 |
24.0 |
23.0 |
22.0 |
| 100 |
16.1 |
17.3 |
18.5 |
19.5 |
20.25 |
22.1 |
23.3 |
25.0 |
24.0 |
23.1 |
| 2*102 |
18.0 |
19.6 |
20.8 |
22.0 |
22.8 |
25.0 |
26.6 |
28.4 |
27.4 |
26.6 |
| 5*102 |
20.6 |
22.3 |
23.7 |
25.0 |
25.9 |
28.8 |
30.6 |
32.7 |
32.0 |
31.2 |
| 103 |
22.6 |
24.4 |
26.1 |
27.5 |
28.6 |
31.7 |
33.7 |
36.0 |
35.4 |
34.6 |
| 2*103 |
24.5 |
26.5 |
28.3 |
30.0 |
31.2 |
34.6 |
36.8 |
39.2 |
38.7 |
37.9 |
| 5*103 |
27.0 |
29.4 |
31.4 |
33.3 |
31.3 |
38.2 |
40.7 |
43.2 |
43.0 |
42.2 |
| 104 |
28.8 |
31.3 |
33.6 |
35.5 |
36.9 |
40.9 |
43.7 |
46.5 |
46.3 |
45.2 |
| 2*104 |
30.6 |
33.2 |
35.6 |
37.8 |
39.2 |
43.4 |
46.5 |
50.8 |
49.6 |
48.6 |
| 5*104 |
33.0 |
35.9 |
38.4 |
40.8 |
42.3 |
47.2 |
50.4 |
55.0 |
54.0 |
53.0 |
| 105 |
34.9 |
38.0 |
40.7 |
43.2 |
4.7 |
50.0 |
53.4 |
58.3 |
57.2 |
56.1 |
| 2*105 |
36.8 |
40.1 |
43.0 |
45.4 |
47.1 |
52.6 |
56.4 |
61.8 |
60.8 |
59.8 |
| 5*105 |
39.1 |
42.5 |
45.5 |
48.3 |
49.9 |
56.1 |
60.2 |
66.0 |
65.0 |
64.0 |
| 106 |
41.1 |
44.7 |
47.8 |
60.6 |
52.3 |
58.8 |
63.3 |
69.0 |
68.3 |
67.0 |
| 2*106 |
42.9 |
46.6 |
49.9 |
52.8 |
54.7 |
61.4 |
66.2 |
72.3 |
71.2 |
70.3 |
| 5*106 |
45.5 |
49.4 |
52.7 |
55.7 |
57.7 |
64.9 |
70.3 |
76.5 |
75.5 |
74.8 |
| 107 |
47.1 |
51.3 |
54.8 |
57.9 |
60.1 |
67.5 |
73.1 |
79.4 |
78.8 |
78.0 |
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