31cm I イオンチャンバーのガス選択例
|
Ratio in I
|
Ratio in I
|
Ratio in I
|
Ratio in I
|
Ratio in I
|
I
|
Absorption ratio
|
|
Energy
|
He
|
N2
|
Ar
|
Kr
|
Xe
|
thicknes
|
by I
|
|
(keV)
|
(%)
|
(%)
|
(%)
|
(%)
|
(%)
|
(cm)
|
|
|
4
|
50
|
50
|
0
|
0
|
0
|
31
|
6.98E-01
|
|
5
|
0
|
100
|
0
|
0
|
0
|
31
|
7.06E-01
|
|
6
|
0
|
100
|
0
|
0
|
0
|
31
|
5.04E-01
|
|
7
|
0
|
85
|
15
|
0
|
0
|
31
|
8.39E-01
|
|
8
|
0
|
75
|
25
|
0
|
0
|
31
|
8.43E-01
|
|
9
|
0
|
75
|
25
|
0
|
0
|
31
|
7.42E-01
|
|
10
|
0
|
50
|
50
|
0
|
0
|
31
|
8.40E-01
|
|
11
|
0
|
50
|
50
|
0
|
0
|
31
|
7.71E-01
|
|
12
|
0
|
0
|
100
|
0
|
0
|
31
|
8.94E-01
|
|
13
|
0
|
0
|
100
|
0
|
0
|
31
|
8.24E-01
|
|
14
|
0
|
0
|
100
|
0
|
0
|
31
|
7.39E-01
|
|
15
|
0
|
0
|
100
|
0
|
0
|
31
|
6.68E-01
|
|
16
|
0
|
0
|
100
|
0
|
0
|
31
|
6.13E-01
|
|
17
|
0
|
0
|
100
|
0
|
0
|
31
|
5.55E-01
|
|
18
|
0
|
0
|
100
|
0
|
0
|
31
|
4.92E-01
|
|
19
|
0
|
0
|
75
|
25
|
0
|
31
|
8.93E-01
|
|
20
|
0
|
0
|
75
|
25
|
0
|
31
|
8.60E-01
|
|
21
|
0
|
0
|
75
|
25
|
0
|
31
|
8.31E-01
|
|
22
|
0
|
0
|
75
|
25
|
0
|
31
|
7.99E-01
|
|
23
|
0
|
0
|
75
|
25
|
0
|
31
|
7.63E-01
|
|
24
|
0
|
0
|
50
|
50
|
0
|
31
|
8.97E-01
|
|
25
|
0
|
0
|
50
|
50
|
0
|
31
|
8.68E-01
|
|
26
|
0
|
0
|
50
|
50
|
0
|
31
|
8.34E-01
|
|
27
|
0
|
0
|
50
|
50
|
0
|
31
|
7.95E-01
|
|
28
|
0
|
0
|
50
|
50
|
0
|
31
|
7.55E-01
|
|
29
|
0
|
0
|
50
|
50
|
0
|
31
|
7.15E-01
|
|
30
|
0
|
0
|
0
|
100
|
0
|
31
|
8.83E-01
|
|
31
|
0
|
0
|
0
|
100
|
0
|
31
|
8.64E-01
|
|
32
|
0
|
0
|
0
|
100
|
0
|
31
|
8.43E-01
|
|
33
|
0
|
0
|
0
|
100
|
0
|
31
|
8.19E-01
|
|
34
|
0
|
0
|
0
|
100
|
0
|
31
|
7.94E-01
|
|
35
|
0
|
0
|
0
|
100
|
0
|
31
|
7.67E-01
|
|
36
|
0
|
0
|
0
|
100
|
0
|
31
|
7.38E-01
|
|
37
|
0
|
0
|
0
|
100
|
0
|
31
|
7.09E-01
|
|
38
|
0
|
0
|
0
|
100
|
0
|
31
|
6.80E-01
|
|
39
|
0
|
0
|
0
|
100
|
0
|
31
|
6.51E-01
|
|
40
|
0
|
0
|
0
|
100
|
0
|
31
|
6.23E-01
|
|
41
|
0
|
0
|
0
|
100
|
0
|
31
|
5.97E-01
|
|
42
|
0
|
0
|
0
|
100
|
0
|
31
|
5.72E-01
|
|
43
|
0
|
0
|
0
|
100
|
0
|
31
|
5.49E-01
|
|
44
|
0
|
0
|
0
|
100
|
0
|
31
|
5.28E-01
|
|
45
|
0
|
0
|
0
|
100
|
0
|
31
|
5.06E-01
|
|
46
|
0
|
0
|
0
|
100
|
0
|
31
|
4.86E-01
|
|
47
|
0
|
0
|
0
|
100
|
0
|
31
|
4.66E-01
|
|
48
|
0
|
0
|
0
|
100
|
0
|
31
|
4.47E-01
|
|
49
|
0
|
0
|
0
|
100
|
0
|
31
|
4.27E-01
|
|
50
|
0
|
0
|
0
|
100
|
0
|
31
|
4.08E-01
|
|
51
|
0
|
0
|
0
|
100
|
0
|
31
|
3.91E-01
|
|
52
|
0
|
0
|
0
|
100
|
0
|
31
|
3.75E-01
|
|
53
|
0
|
0
|
0
|
100
|
0
|
31
|
3.61E-01
|
|
54
|
0
|
0
|
0
|
100
|
0
|
31
|
3.47E-01
|
|
55
|
0
|
0
|
0
|
100
|
0
|
31
|
3.34E-01
|
|
56
|
0
|
0
|
0
|
100
|
0
|
31
|
3.21E-01
|
|
57
|
0
|
0
|
0
|
100
|
0
|
31
|
3.09E-01
|
|
58
|
0
|
0
|
0
|
100
|
0
|
31
|
2.97E-01
|
|
59
|
0
|
0
|
0
|
100
|
0
|
31
|
2.84E-01
|
|
60
|
0
|
0
|
0
|
100
|
0
|
31
|
2.73E-01
|
|
61
|
0
|
0
|
0
|
100
|
0
|
31
|
2.61E-01
|
|
62
|
0
|
0
|
0
|
100
|
0
|
31
|
2.51E-01
|
|
63
|
0
|
0
|
0
|
100
|
0
|
31
|
2.42E-01
|
|
64
|
0
|
0
|
0
|
100
|
0
|
31
|
2.33E-01
|
|
65
|
0
|
0
|
0
|
100
|
0
|
31
|
2.25E-01
|
|
66
|
0
|
0
|
0
|
100
|
0
|
31
|
2.18E-01
|
|
67
|
0
|
0
|
0
|
100
|
0
|
31
|
2.11E-01
|
|
68
|
0
|
0
|
0
|
100
|
0
|
31
|
2.04E-01
|
|
69
|
0
|
0
|
0
|
100
|
0
|
31
|
1.98E-01
|
|
70
|
0
|
0
|
0
|
100
|
0
|
31
|
1.92E-01
|
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