| |
|
|---|
| Half life: | 6.75 d 1 | |
|---|
| Jp: | 1/2+ |
|---|
| Sn (keV): | 5125.9 5 |
|---|
| Sp (keV): | 7.24E3 20 |
|---|
| Prod. mode: |
Fast neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 74,461 (1995) |
|---|
| Literature cut-off date: | 1-Sep-1994 |
|---|
| Author(s): | Y.A. Akovali |
|---|
| References since cut-off: |
237U decay from 1994-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| b- | 100 | 518.6 6 |
|
| |
|---|
Data sets:
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
Gammas from 237U (6.75 d 1)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 2.3 |
|
b- |
| 13.81 2 |
0.099 4 |
b- |
| 26.3448 2 |
2.43 6 |
b- |
| 33.1964 3 |
0.130 5 |
b- |
| 38.54 3 |
0.021 |
b- |
| 42.73 5 |
|
b- |
| 43.423 10 |
0.0240 20 |
b- |
| 51.01 3 |
0.340 10 |
b- |
| 59.5412 2 |
34.5 8 |
b- |
| 64.83 2 |
1.282 17 |
b- |
| 69.76 3 |
0.00095 19 |
b- |
| 75.8 2 |
|
b- |
| 102.98 2 |
0.0064 9 |
b- |
| 114.09 5 |
|
b- |
| 164.61 2 |
1.86 3 |
b- |
| 208.00 1 |
21.2 3 |
b- |
| 221.80 4 |
0.0212 7 |
b- |
| 234.40 4 |
0.0205 7 |
b- |
| 267.54 4 |
0.712 10 |
b- |
| 292.77 6 |
0.0025 7 |
b- |
| 309.1 3 |
0.00027 |
b- |
| 332.36 4 |
1.200 16 |
b- |
| 335.38 3 |
0.0951 22 |
b- |
| 337.7 2 |
0.0089 5 |
b- |
| 340.45 |
0.00165 33 |
b- |
| 368.59 4 |
0.0392 17 |
b- |
| 370.94 3 |
0.1073 17 |
b- |
|
X-rays from 237U (6.75 d 1)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 11.871 |
1.5 3 |
Np Ll |
| 13.761 |
2.5 4 |
Np La2 |
| 13.946 |
22 3 |
Np La1 |
| 15.861 |
0.36 8 |
Np Lh |
| 16.109 |
0.43 6 |
Np Lb6 |
| 16.816 |
5.9 8 |
Np Lb2 |
| 17.061 |
2.2 4 |
Np Lb4 |
| 17.505 |
1.50 21 |
Np Lb5 |
| 17.751 |
14 3 |
Np Lb1 |
| 17.992 |
1.9 3 |
Np Lb3 |
| 20.784 |
3.3 7 |
Np Lg1 |
| 21.099 |
0.90 16 |
Np Lg2 |
| 21.342 |
0.83 15 |
Np Lg3 |
| 21.491 |
0.70 16 |
Np Lg6 |
| 96.242 |
0.0583 19 |
Np Ka3 |
| 97.069 |
15.8 4 |
Np Ka2 |
| 101.059 |
25.4 6 |
Np Ka1 |
| 113.303 |
3.13 8 |
Np Kb3 |
| 114.234 |
5.94 14 |
Np Kb1 |
| 114.912 |
0.224 10 |
Np Kb5 |
| 117.463 |
2.31 6 |
Np Kb2 |
| 117.875 |
0.84 4 |
Np Kb4 |
Betas from 237U (6.75 d 1)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 147,67 |
0.8 |
b- |
| 186,24 |
3.4 3 |
b- |
| 237,25 |
51 4 |
b- |
| 251,06 |
42 3 |
b- |
| 459,06 |
3.0 23 |
b- |
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