| |
|
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| Half life: | 2.117 d 2 | |
|---|
| Jp: | 2+ |
|---|
| Sn (keV): | 5488.09 20 |
|---|
| Sp (keV): | 5224.3 6 |
|---|
| Prod. mode: |
Charged particle reaction
Thermal neutron activation
|
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| | |
|---|
| ENSDF citation: | NDS 53,601 (1988) |
|---|
| Literature cut-off date: | 1-Dec-1986 |
|---|
| Author(s): | E.N. Shurshikov |
|---|
| References since cut-off: |
238Np decay from 1986-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| b- | 100 | 1292.0 7 |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 238Np (2.117 d 2)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 44.08 3 |
0.09 1 |
b- |
| 101.90 3 |
0.27 1 |
b- |
| 114.4 4 |
0.006 1 |
b- |
| 119.9 1 |
0.108 6 |
b- |
| 132.49 11 |
0.0028 3 |
b- |
| 157.42 5 |
0.001 |
b- |
| 174.0 2 |
0.026 1 |
b- |
| 220.87 11 |
0.0034 4 |
b- |
| 301.4 3 |
0.012 1 |
b- |
| 319.29 11 |
0.009 1 |
b- |
| 321.75 20 |
0.0013 6 |
b- |
| 323.98 9 |
0.016 1 |
b- |
| 336.38 15 |
0.00025 3 |
b- |
| 357.62 7 |
0.053 3 |
b- |
| 378.05 13 |
0.0033 6 |
b- |
| 380.29 13 |
0.012 1 |
b- |
| 421.14 11 |
0.023 1 |
b- |
| 459.80 22 |
0.003 |
b- |
| 515.5 2 |
0.043 2 |
b- |
| 561.11 7 |
0.114 2 |
b- |
| 605.13 9 |
0.081 4 |
b- |
| 617.36 11 |
0.009 |
b- |
| 617.36 11 |
0.065 4 |
b- |
| 837.11 15 |
0.028 2 |
b- |
| 882.63 3 |
0.87 3 |
b- |
| 897.33 10 |
0.008 1 |
b- |
| 918.69 4 |
0.59 2 |
b- |
| 923.98 2 |
2.86 9 |
b- |
| 924 |
0.05 |
b- |
| 936.61 6 |
0.40 1 |
b- |
| 938.95 10 |
0.026 3 |
b- |
| 941.38 5 |
0.54 2 |
b- |
| 941.5 3 |
|
b- |
| 962.77 3 |
0.70 2 |
b- |
| 968.9 4 |
0.017 6 |
b- |
| 984.45 2 |
27.8 |
b- |
| 1025.87 2 |
9.6 5 |
b- |
| 1028.54 2 |
20.3 8 |
b- |
|
X-rays from 238Np (2.117 d 2)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 12.124 |
0.75 11 |
Pu Ll |
| 14.087 |
1.21 15 |
Pu La2 |
| 14.282 |
10.8 14 |
Pu La1 |
| 16.333 |
0.28 4 |
Pu Lh |
| 16.498 |
0.21 3 |
Pu Lb6 |
| 17.235 |
2.9 4 |
Pu Lb2 |
| 17.557 |
0.116 22 |
Pu Lb4 |
| 17.949 |
0.64 8 |
Pu Lb5 |
| 18.296 |
10.5 15 |
Pu Lb1 |
| 18.541 |
0.100 19 |
Pu Lb3 |
| 21.420 |
2.6 4 |
Pu Lg1 |
| 21.724 |
0.049 10 |
Pu Lg2 |
| 21.981 |
0.044 9 |
Pu Lg3 |
| 22.153 |
0.54 9 |
Pu Lg6 |
| 98.687 |
0.00086 8 |
Pu Ka3 |
| 99.525 |
0.216 19 |
Pu Ka2 |
| 103.734 |
0.35 3 |
Pu Ka1 |
| 116.244 |
0.041 4 |
Pu Kb3 |
| 117.228 |
0.081 7 |
Pu Kb1 |
| 117.919 |
0.0031 3 |
Pu Kb5 |
| 120.539 |
0.032 3 |
Pu Kb2 |
| 120.969 |
0.0116 11 |
Pu Kb4 |
Betas from 238Np (2.117 d 2)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 89.34 |
0.53 3 |
b- |
| 222.05 |
12.6 6 |
b- |
| 263.45 |
49.6 9 |
b- |
| 306.54 |
0.59 3 |
b- |
| 308.9 |
0.17 3 |
b- |
| 329.23 |
1.37 3 |
b- |
| 630.57 |
0.031 8 |
b- |
| 686.82 |
0.109 7 |
b- |
| 1247.92 |
28 8 |
b- |
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