| |
|
|---|
| Half life: | 5.5 m 1 | |
|---|
| Jp: | (6) |
|---|
| Sn (keV): | 4.91E3 sy |
|---|
| Sp (keV): | 6.1E3 sy |
|---|
| | |
|---|
| 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: |
242Np decay from 1984-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| b- | 100 | 2.70E3 sy |
81Fr07 |
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 242Np (5.5 m 1)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 44.54 2 |
|
b- |
| 102.8 2 |
|
b- |
| 159.0 1 |
19.2 12 |
b- |
| 265.1 1 |
14.4 12 |
b- |
| 785.7 1 |
60 |
b- |
| 944.8 1 |
37.8 18 |
b- |
| 1104.0 10 |
0.36 12 |
b- |
|
X-rays from 242Np (5.5 m 1)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 12.124 |
0.57 20 |
Pu Ll |
| 14.087 |
0.9 3 |
Pu La2 |
| 14.282 |
8 3 |
Pu La1 |
| 16.333 |
0.21 5 |
Pu Lh |
| 16.498 |
0.16 5 |
Pu Lb6 |
| 17.235 |
2.2 7 |
Pu Lb2 |
| 17.557 |
0.34 17 |
Pu Lb4 |
| 17.949 |
0.48 16 |
Pu Lb5 |
| 18.296 |
7.8 18 |
Pu Lb1 |
| 18.541 |
0.29 15 |
Pu Lb3 |
| 21.420 |
1.9 5 |
Pu Lg1 |
| 21.724 |
0.15 7 |
Pu Lg2 |
| 21.981 |
0.13 7 |
Pu Lg3 |
| 22.153 |
0.40 10 |
Pu Lg6 |
| 98.687 |
0.020 12 |
Pu Ka3 |
| 99.525 |
5 3 |
Pu Ka2 |
| 103.734 |
8 5 |
Pu Ka1 |
| 116.244 |
1.0 6 |
Pu Kb3 |
| 117.228 |
1.9 11 |
Pu Kb1 |
| 117.919 |
0.07 4 |
Pu Kb5 |
| 120.539 |
0.7 4 |
Pu Kb2 |
| 120.969 |
0.28 16 |
Pu Kb4 |
Betas from 242Np (5.5 m 1)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 1342.8 |
14 5 |
b- |
| 1607.9 |
86 20 |
b- |
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