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|
Half life: | 141 y 2 | |
E(level): | 48.63 5 keV |
Jp: | 5- |
Sn (keV): | 5537.57 10 |
Sp (keV): | 4776.03 22 |
Prod. mode: |
Thermal neutron activation
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| |
ENSDF citation: | NDS 45,509 (1985) |
Literature cut-off date: | 1-Jun-1984 |
Author(s): | E.N. Shurshikov, M.L. Filchenkov, Yu.F. Jaborov and A.I. Khovanovich |
References since cut-off: |
242Am decay from 1984-98 (NSR)
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|
Decay properties: |
Mode | Branching (%) | Q-value (keV) |
|
IT | 99.541 1 2 | |
|
a | 0.459 12 | 5588.34 25 |
|
SF | <4.7E- 9 | |
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Data sets: |
Mode | Data set name | Display data |
|
Gammas from 242mAm (141 y 2)
|
Eg (keV) |
Ig (%) | Decay mode |
|
42 |
|
a |
48.63 5 |
0.00013 |
IT |
49.367 4 |
0.19 |
a |
53.7 |
|
a |
66.898 20 |
0.021 |
a |
67.9 |
0.007 |
a |
73.81 4 |
0.006 |
a |
74 |
|
a |
86.68 4 |
0.037 |
a |
92.5 |
0.0041 |
a |
109.69 4 |
0.024 |
a |
111.1 |
0.0028 |
a |
121.8 |
0.006 |
a |
135.17 6 |
0.011 |
a |
136.000 25 |
0.010 |
a |
137.02 6 |
|
a |
152.75 6 |
0.0014 |
a |
153.79 5 |
0.0046 |
a |
162.5 |
|
a |
163.24 4 |
0.024 |
a |
194.63 5 |
|
a |
206.34 5 |
|
a |
|
X-rays from 242mAm (141 y 2)
|
E (keV) |
I (%) | Assignment |
|
11.871 |
0.010 3 |
Np Ll |
13.377 |
0.60 6 |
Am Ll |
13.761 |
0.016 5 |
Np La2 |
13.946 |
0.14 4 |
Np La1 |
15.414 |
0.93 6 |
Am La2 |
15.620 |
8.3 6 |
Am La1 |
15.861 |
0.0016 5 |
Np Lh |
16.109 |
0.0027 8 |
Np Lb6 |
16.816 |
0.037 12 |
Np Lb2 |
16.819 |
0.231 24 |
Am Lh |
17.061 |
0.032 11 |
Np Lb4 |
17.505 |
0.009 3 |
Np Lb5 |
17.751 |
0.059 18 |
Np Lb1 |
17.890 |
0.165 11 |
Am Lb6 |
17.992 |
0.028 10 |
Np Lb3 |
18.069 |
0.036 6 |
Am Lb4 |
18.656 |
2.23 16 |
Am Lb2 |
18.856 |
8.4 9 |
Am Lb1 |
19.110 |
0.030 5 |
Am Lb3 |
19.399 |
0.50 3 |
Am Lb5 |
20.784 |
0.014 4 |
Np Lg1 |
21.099 |
0.013 5 |
Np Lg2 |
21.342 |
0.012 4 |
Np Lg3 |
21.491 |
0.0031 10 |
Np Lg6 |
22.072 |
2.09 22 |
Am Lg1 |
22.370 |
0.016 3 |
Am Lg2 |
22.643 |
0.0134 24 |
Am Lg3 |
22.836 |
0.44 6 |
Am Lg6 |
96.242 |
1.8E-04 9 |
Np Ka3 |
97.069 |
0.048 24 |
Np Ka2 |
101.059 |
0.08 4 |
Np Ka1 |
113.303 |
0.009 5 |
Np Kb3 |
114.234 |
0.018 9 |
Np Kb1 |
114.912 |
0.0007 3 |
Np Kb5 |
117.463 |
0.007 4 |
Np Kb2 |
117.875 |
0.0025 13 |
Np Kb4 |
Alphas from 242mAm (141 y 2)
|
Ea (keV) |
Ia (%) |
|
4974.9 |
~0.002 |
5027.1 |
0.02 |
5064.2 |
0.22 |
5082 |
0.03 |
5088.4 |
0.19 |
5141.6 5 |
5.82 |
5153.3 |
0.02 |
5173 |
|
5173.7 |
|
5206.8 5 |
89.84 |
5214.7 |
0.03 |
5248.2 |
~0.11 |
5250.0 |
0.04 |
5273 |
0.86 |
5313.5 |
0.69 |
5367.2 |
1.17 |
5409.3 |
1.04 |
5458.2 |
0.14 |
5517.3 |
0.006 |
5543.8 |
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