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Half life: | 2.3565 d 4 | |
Jp: | 5/2+ |
Sn (keV): | 6216.8 10 |
Sp (keV): | 5287.4 15 |
Prod. mode: |
Thermal neutron activation
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ENSDF citation: | NDS 66,839 (1992) |
Literature cut-off date: | 1-Jan-1992 |
Author(s): | M.R. Schmorak |
References since cut-off: |
239Np decay from 1992-98 (NSR)
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Decay properties: |
Mode | Branching (%) | Q-value (keV) |
References |
b- | 100 | 721.8 9 |
59Ew90 65Da04 86LoZT |
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Data sets: |
Mode | Data set name | Display data |
|
Gammas from 239Np (2.3565 d 4)
|
Eg (keV) |
Ig (%) | Decay mode |
|
7.861 2 |
|
b- |
18.430 2 |
|
b- |
44.665 2 |
0.13 1 |
b- |
49.415 2 |
0.13 2 |
b- |
57.276 2 |
0.130 7 |
b- |
57.29 2 |
0.0048(calc) |
b- |
61.461 2 |
1.29 2 |
b- |
67.846 2 |
0.092 23 |
b- |
88.05 2 |
0.006 2 |
b- |
101.95 2 |
0.0008(calc) |
b- |
106.125 2 |
27.2 4 |
b- |
106.48 2 |
0.049 8 |
b- |
124.434 8 |
0.01 |
b- |
166.369 2 |
0.017 7 |
b- |
181.711 7 |
0.081 4 |
b- |
209.753 2 |
3.42 5 |
b- |
226.378 8 |
0.28 2 |
b- |
227.83(calc) |
0.51(calc) |
b- |
228.183 1 |
10.76 18 |
b- |
254.418 3 |
0.110 6 |
b- |
272.848 3 |
0.077 4 |
b- |
277.599 1 |
14.38 21 |
b- |
285.460 2 |
0.79 2 |
b- |
315.879 2 |
1.60 3 |
b- |
322.264 3 |
0.0052(calc) |
b- |
334.309 2 |
2.07 3 |
b- |
392.4 5 |
0.0016 |
b- |
429.8 2 |
0.0039 |
b- |
434.9 3 |
0.013 |
b- |
448.2 2 |
0.00026 |
b- |
454.565 12 |
0.00082 |
b- |
461.9 4 |
0.0016 |
b- |
469.8 4 |
0.0011 |
b- |
484.3 3 |
0.0010 |
b- |
492.1 3 |
0.0060 |
b- |
497.8 2 |
0.0032 |
b- |
498.8 5 |
0.001 |
b- |
503.977 12 |
0.00078 |
b- |
|
X-rays from 239Np (2.3565 d 4)
|
E (keV) |
I (%) | Assignment |
|
12.124 |
1.53 18 |
Pu Ll |
14.087 |
2.44 21 |
Pu La2 |
14.282 |
21.8 19 |
Pu La1 |
16.333 |
0.39 4 |
Pu Lh |
16.498 |
0.43 4 |
Pu Lb6 |
17.235 |
5.8 5 |
Pu Lb2 |
17.557 |
1.6 3 |
Pu Lb4 |
17.949 |
1.29 11 |
Pu Lb5 |
18.296 |
14.5 17 |
Pu Lb1 |
18.541 |
1.42 25 |
Pu Lb3 |
21.420 |
3.5 4 |
Pu Lg1 |
21.724 |
0.70 13 |
Pu Lg2 |
21.981 |
0.62 11 |
Pu Lg3 |
22.153 |
0.75 10 |
Pu Lg6 |
98.687 |
0.0603 19 |
Pu Ka3 |
99.525 |
15.1 3 |
Pu Ka2 |
103.734 |
24.2 5 |
Pu Ka1 |
116.244 |
2.87 6 |
Pu Kb3 |
117.228 |
5.66 13 |
Pu Kb1 |
117.919 |
0.219 9 |
Pu Kb5 |
120.539 |
2.21 5 |
Pu Kb2 |
120.969 |
0.81 3 |
Pu Kb4 |
Betas from 239Np (2.3565 d 4)
|
Eb endpoint (keV) |
Ib (%) | Decay mode |
|
165,7 |
0.0030 |
b- |
209,96 |
1.58 7 |
b- |
216,3 |
0.0074 2 |
b- |
229,7 |
0.020 1 |
b- |
252 |
0.0027 |
b- |
330,21 |
40.5 10 |
b- |
391,67 |
11 3 |
b- |
436,34 |
45 3 |
b- |
646,09 |
1.0 |
b- |
664,52 |
2 |
b- |
713,94 |
2 1 |
b- |
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