| |
|
|---|
| Half life: | 61.9 m 2 | |
|---|
| Jp: | (5+) |
|---|
| Sn (keV): | 5056 15 |
|---|
| Sp (keV): | 5537 15 |
|---|
| Prod. mode: |
Charged particle reaction
|
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| | |
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| ENSDF citation: | NDS 59,947 (1990) |
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| Literature cut-off date: | 1-Oct-1993 |
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| Author(s): | E.N. Shurshikov and N.V. Timofeeva |
|---|
| Update: | 1-Oct-1993, E. Shurshikov |
|---|
| References since cut-off: |
240Np decay from 1993-98 (NSR)
|
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| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| b- | 100 | 2200 15 |
82Pa23 |
| |
|---|
Data sets:
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
Gammas from 240Np (61.9 m 2)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 42.824 8 |
0.11 4 |
b- |
| 98.860 13 |
4.81 20 |
b- |
| 139.9 1 |
0.24 5 |
b- |
| 147.2 1 |
1.18 13 |
b- |
| 152.63 2 |
6.7 4 |
b- |
| 175.4 1 |
4.7 3 |
b- |
| 193.3 1 |
5.6 3 |
b- |
| 222.5 3 |
0.37 5 |
b- |
| 239.3 1 |
0.41 6 |
b- |
| 271.3 1 |
5.7 3 |
b- |
| 295.2 1 |
0.44 6 |
b- |
| 306.8 1 |
0.39 5 |
b- |
| 388.7 1 |
0.89 6 |
b- |
| 419.2 1 |
0.79 6 |
b- |
| 448.01 6 |
12.3 6 |
b- |
| 466.7 1 |
1.07 6 |
b- |
| 507.2 1 |
1.67 8 |
b- |
| 566.34 6 |
25.3 13 |
b- |
| 583.9 1 |
0.37 7 |
b- |
| 600.57 6 |
18.4 9 |
b- |
| 606.10 7 |
1.62 8 |
b- |
| 633.5 2 |
0.20 4 |
b- |
| 821.2 1 |
1.06 8 |
b- |
| 867.2 1 |
8.1 5 |
b- |
| 888.80 5 |
2.29 9 |
b- |
| 895.8 1 |
13.6 6 |
b- |
| 915.98 9 |
1.22 10 |
b- |
| 934.5 1 |
0.33 4 |
b- |
| 938.2 1 |
0.17 3 |
b- |
| 959.1 1 |
1.69 12 |
b- |
| 973.9 1 |
23.8 12 |
b- |
| 987.76 6 |
6.7 4 |
b- |
| 1014.4 1 |
0.21 6 |
b- |
| 1033.5 2 |
0.14 4 |
b- |
| 1090.5 2 |
0.07 3 |
b- |
| 1167.1 1 |
4.5 3 |
b- |
|
X-rays from 240Np (61.9 m 2)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 12.124 |
2.5 6 |
Pu Ll |
| 14.087 |
3.9 10 |
Pu La2 |
| 14.282 |
35 9 |
Pu La1 |
| 16.333 |
0.90 19 |
Pu Lh |
| 16.498 |
0.69 17 |
Pu Lb6 |
| 17.235 |
9.4 23 |
Pu Lb2 |
| 17.557 |
0.9 3 |
Pu Lb4 |
| 17.949 |
2.1 5 |
Pu Lb5 |
| 18.296 |
33 7 |
Pu Lb1 |
| 18.541 |
0.75 24 |
Pu Lb3 |
| 21.420 |
8.2 18 |
Pu Lg1 |
| 21.724 |
0.37 12 |
Pu Lg2 |
| 21.981 |
0.33 11 |
Pu Lg3 |
| 22.153 |
1.7 4 |
Pu Lg6 |
| 98.687 |
0.045 18 |
Pu Ka3 |
| 99.525 |
11 4 |
Pu Ka2 |
| 103.734 |
18 7 |
Pu Ka1 |
| 116.244 |
2.1 8 |
Pu Kb3 |
| 117.228 |
4.2 17 |
Pu Kb1 |
| 117.919 |
0.16 6 |
Pu Kb5 |
| 120.539 |
1.6 7 |
Pu Kb2 |
| 120.969 |
0.60 24 |
Pu Kb4 |
Betas from 240Np (61.9 m 2)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 891,26 |
75 |
b- |
| 1038,47 |
5.0 |
b- |
| 1084,47 |
15 |
b- |
| 1123,78 |
0.50 |
b- |
| 1162,48 |
8 |
b- |
| 1457,67 |
4 |
b- |
| 1905,68 |
3.2 |
b- |
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