| |
|
|---|
| Half life: | 45.2 d 1 | |
|---|
| Jp: | 7/2- |
|---|
| Sn (keV): | 5877.0 23 |
|---|
| Sp (keV): | 5571 50 |
|---|
| Prod. mode: |
Charged particle reaction
|
|---|
| | |
|---|
| ENSDF citation: | NDS 74,461 (1995) |
|---|
| Literature cut-off date: | 1-Sep-1994 |
|---|
| Author(s): | Y.A. Akovali |
|---|
| References since cut-off: |
237Pu decay from 1994-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| a | 0.0042 4 | 5749.5 23 |
79El05 |
| e | 99.9958 4 | 220.3 13 |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 237Pu (45.2 d 1)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 21.87 |
|
a |
| 26.3448 2 |
0.221 7 |
e |
| 27.03 |
|
e |
| 32.9 |
|
a |
| 33.1964 3 |
0.0745 23 |
e |
| 40.35 1 |
|
a |
| 42.73 5 |
~0.0030 |
e |
| 43.423 10 |
~0.0039 |
e |
| 43.7 |
|
a |
| 51.5 5 |
|
a |
| 54.8 |
|
a |
| 55.56 2 |
<0.0016 |
e |
| 58.0 |
|
a |
| 59.5412 2 |
3.28 10 |
e |
| 63.1 |
|
a |
| 69.76 3 |
~0.00016 |
e |
| 75.8 2 |
~0.00031 |
e |
| 76.7 |
|
a |
| 92.0 5 |
|
a |
| 98.97 2 |
<0.0020 |
e |
| 102.98 2 |
~0.0010 |
e |
| 114.92 10 |
|
a |
| 125.30 2 |
<0.00033 |
e |
| 181.8 10 |
~0.000007 |
a |
| 198.61 20 |
0.000067 9 |
a |
| 205.05 20 |
0.000029 7 |
a |
| 228.56 20 |
0.000331 14 |
a |
| 241 2 |
~0.0000046 |
a |
| 258.46 20 |
0.000147 11 |
a |
| 261.66 20 |
0.000166 10 |
a |
| 280.40 20 |
0.000916 18 |
a |
| 298.89 20 |
0.000661 16 |
a |
| 305.4 2 |
0.000027 8 |
a |
| 313.34 20 |
0.000255 13 |
a |
| 320.75 20 |
0.000546 16 |
a |
| 411.1 2 |
0.000016 5 |
a |
| 463.1 2 |
0.000031 9 |
a |
| 503.9 2 |
0.000063 12 |
a |
| 521.1 20 |
~0.000007 |
a |
|
X-rays from 237Pu (45.2 d 1)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 11.871 |
1.19 14 |
Np Ll |
| 13.761 |
1.93 16 |
Np La2 |
| 13.946 |
17.2 14 |
Np La1 |
| 15.861 |
0.218 25 |
Np Lh |
| 16.109 |
0.33 3 |
Np Lb6 |
| 16.816 |
4.6 4 |
Np Lb2 |
| 17.061 |
3.1 5 |
Np Lb4 |
| 17.505 |
1.16 10 |
Np Lb5 |
| 17.751 |
8.1 10 |
Np Lb1 |
| 17.992 |
2.7 5 |
Np Lb3 |
| 20.784 |
1.97 24 |
Np Lg1 |
| 21.099 |
1.28 23 |
Np Lg2 |
| 21.342 |
1.17 21 |
Np Lg3 |
| 21.491 |
0.42 6 |
Np Lg6 |
| 96.242 |
0.0471 17 |
Np Ka3 |
| 97.069 |
12.7 4 |
Np Ka2 |
| 101.059 |
20.5 6 |
Np Ka1 |
| 113.303 |
2.52 7 |
Np Kb3 |
| 114.234 |
4.80 14 |
Np Kb1 |
| 114.912 |
0.181 8 |
Np Kb5 |
| 117.463 |
1.87 5 |
Np Kb2 |
| 117.875 |
0.68 3 |
Np Kb4 |
Betas from 237Pu (45.2 d 1)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 61.79 |
0.14 |
e |
| 117.34 |
0.6 |
e |
| 144.38 |
0.26 |
e |
| 160.76 |
8.4 8 |
e |
| 187.1 |
11.8 14 |
e |
| 220.3 |
79 2 |
e |
Alphas from 237Pu (45.2 d 1)
|
|---|
| Ea (keV) |
Ia (%) |
|---|
|
| 5098 7 |
~0.5 |
| 5154 7 |
~6.4 |
| 5259 7 |
>0.7 |
| 5302 7 |
~12.2 |
| 5334 7 |
~43.5 |
| 5356 7 |
~17.2 |
| 5498 7 |
2.1 |
| 5560 7 |
3.6 |
| 5610 6 |
7.3 |
| 5650 6 |
7.1 |
|
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