|
|
Half life: | 48.8 m 2 | |
Jp: | (5/2) |
Sn (keV): | 7680 72 |
Sp (keV): | 3278 51 |
| |
ENSDF citation: | NDS 70,387 (1993) |
Literature cut-off date: | 1-Aug-1993 |
Author(s): | M.R. Schmorak |
References since cut-off: |
231Np decay from 1993-98 (NSR)
|
|
Decay properties: |
Mode | Branching (%) | Q-value (keV) |
References |
e | 98 1 | 1811 51 |
73We08 |
a | 2 1 | 6368 50 |
50Ma14 |
|
Data sets: |
Mode | Data set name | Display data |
|
Gammas from 231Np (48.8 m 2)
|
Eg (keV) |
Ig (%) | Decay mode |
|
44.8 |
|
e+b+ |
263.8 3 |
2.84 10 |
e+b+ |
348.4 3 |
3.63 20 |
e+b+ |
370.9 3 |
10 |
e+b+ |
376.3 4 |
0.64 3 |
e+b+ |
416.3 3 |
0.28 6 |
e+b+ |
420.7 4 |
1.05 11 |
e+b+ |
436.9 4 |
0.28 6 |
e+b+ |
481.6 5 |
0.61 12 |
e+b+ |
484.7 5 |
1.6 3 |
e+b+ |
715.5 4 |
0.25 3 |
e+b+ |
737.8 3 |
1.23 7 |
e+b+ |
786.6 3 |
0.186 10 |
e+b+ |
837.3 4 |
0.40 6 |
e+b+ |
851.6 5 |
0.70 3 |
e+b+ |
1108.1 3 |
0.54 5 |
e+b+ |
|
X-rays from 231Np (48.8 m 2)
|
E (keV) |
I (%) | Assignment |
|
11.620 |
1.06 12 |
U Ll |
13.442 |
1.76 14 |
U La2 |
13.618 |
15.6 13 |
U La1 |
15.400 |
0.23 3 |
U Lh |
15.727 |
0.296 24 |
U Lb6 |
16.410 |
4.1 4 |
U Lb2 |
16.577 |
1.07 19 |
U Lb4 |
17.068 |
0.87 7 |
U Lb5 |
17.222 |
8.8 11 |
U Lb1 |
17.454 |
0.97 17 |
U Lb3 |
20.169 |
2.12 25 |
U Lg1 |
20.487 |
0.44 8 |
U Lg2 |
20.715 |
0.41 8 |
U Lg3 |
20.844 |
0.45 6 |
U Lg6 |
93.844 |
0.074 5 |
U Ka3 |
94.654 |
21.4 13 |
U Ka2 |
98.434 |
34.7 21 |
U Ka1 |
110.421 |
4.3 3 |
U Kb3 |
111.298 |
8.1 5 |
U Kb1 |
111.964 |
0.300 21 |
U Kb5 |
114.445 |
3.13 19 |
U Kb2 |
114.844 |
1.12 8 |
U Kb4 |
Betas from 231Np (48.8 m 2)
|
Eb endpoint (keV) |
Ib (%) | Decay mode |
|
788 |
0.10 |
b+ |
1810 |
88 |
e |
Alphas from 231Np (48.8 m 2)
|
Ea (keV) |
Ia (%) |
|
6258 8 |
100 |
|
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