| |
|
|---|
| Half life: | 1.6781 d 3 | |
|---|
| Jp: | 3- |
|---|
| Sn (keV): | 5160.97 5 |
|---|
| Sp (keV): | 6695 3 |
|---|
| Prod. mode: |
Fission product
Fast neutron activation
Thermal neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 73,261 (1994) |
|---|
| Literature cut-off date: | 1-Nov-1994 |
|---|
| Author(s): | L.K. Peker |
|---|
| References since cut-off: |
140La decay from 1994-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| b- | 100 | 3761.9 19 |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 140La (1.6781 d 3)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 24.595 4 |
<0.0029 |
b- |
| 64.135 10 |
0.0143 19 |
b- |
| 68.916 6 |
0.0754 19 |
b- |
| 109.422 11 |
0.219 4 |
b- |
| 131.117 8 |
0.467 10 |
b- |
| 173.543 9 |
0.127 4 |
b- |
| 241.933 30 |
0.414 8 |
b- |
| 266.543 12 |
0.466 8 |
b- |
| 306.9 2 |
0.025 7 |
b- |
| 328.762 8 |
20.3 3 |
b- |
| 397.52 5 |
0.073 5 |
b- |
| 432.493 12 |
2.90 3 |
b- |
| 438.5 5 |
0.039 10 |
b- |
| 445.5 5 |
0.0029 10 |
b- |
| 487.021 12 |
45.5 6 |
b- |
| 618.12 5 |
0.037 4 |
b- |
| 751.637 18 |
4.33 4 |
b- |
| 815.772 19 |
23.28 19 |
b- |
| 867.846 20 |
5.50 7 |
b- |
| 919.550 23 |
2.66 3 |
b- |
| 925.189 21 |
6.90 7 |
b- |
| 950.987 26 |
0.519 7 |
b- |
| 992.9 5 |
0.013 5 |
b- |
| 1045.05 24 |
0.025 14 |
b- |
| 1097.20 23 |
0.023 5 |
b- |
| 1303.5 4 |
0.042 7 |
b- |
| 1405.20 17 |
0.059 7 |
b- |
| 1596.210 35 |
95.4 14 |
b- |
| 1877.29 19 |
0.041 4 |
b- |
| 1903.5 |
|
b- |
| 1924.62 13 |
0.0134 19 |
b- |
| 2083.2 5 |
0.0115 7 |
b- |
| 2347.88 5 |
0.85 3 |
b- |
| 2464.1 5 |
0.0114 19 |
b- |
| 2521.40 5 |
3.46 4 |
b- |
| 2547.34 11 |
0.101 3 |
b- |
| 2899.61 16 |
0.0668 19 |
b- |
| 3118.51 16 |
0.0248 10 |
b- |
| 3320.4 6 |
0.0038 3 |
b- |
|
X-rays from 140La (1.6781 d 3)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 4.289 |
0.0082 11 |
Ce Ll |
| 4.730 |
0.0036 4 |
Ce Lh |
| 4.822 |
0.0221 24 |
Ce La2 |
| 4.840 |
0.199 22 |
Ce La1 |
| 5.263 |
0.133 14 |
Ce Lb1 |
| 5.276 |
0.0064 13 |
Ce Lb4 |
| 5.363 |
0.0108 22 |
Ce Lb3 |
| 5.434 |
0.00169 19 |
Ce Lb6 |
| 5.613 |
0.042 5 |
Ce Lb2 |
| 6.054 |
0.0205 21 |
Ce Lg1 |
| 6.326 |
0.0019 4 |
Ce Lg2 |
| 6.342 |
0.0026 6 |
Ce Lg3 |
| 33.894 |
9.7E-05 3 |
Ce Ka3 |
| 34.279 |
0.601 14 |
Ce Ka2 |
| 34.720 |
1.10 3 |
Ce Ka1 |
| 39.170 |
0.1050 25 |
Ce Kb3 |
| 39.258 |
0.203 5 |
Ce Kb1 |
| 39.551 |
0.00253 11 |
Ce Kb5 |
| 40.228 |
0.0651 15 |
Ce Kb2 |
| 40.333 |
0.0185 8 |
Ce Kb4 |
Betas from 140La (1.6781 d 3)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 241.04 |
0.006 2 |
b- |
| 288.3 |
0.049 7 |
b- |
| 367.22 |
0.015 4 |
b- |
| 441.5 |
0.0041 4 |
b- |
| 643.35 |
0.026 2 |
b- |
| 760.79 |
0.086 10 |
b- |
| 862.25 |
0.113 8 |
b- |
| 1214.67 |
0.63 3 |
b- |
| 1240.47 |
10.9 5 |
b- |
| 1246.14 |
5.68 25 |
b- |
| 1280.98 |
1.07 6 |
b- |
| 1297.82 |
5.45 24 |
b- |
| 1349.89 |
44 2 |
b- |
| 1412.09 |
0.36 3 |
b- |
| 1414.02 |
4.93 22 |
b- |
| 1678.65 |
19.2 12 |
b- |
| 1858.59 |
0.002 |
b- |
| 2165.67 |
4.8 5 |
b- |
| 3761.9 |
0.0004 2 |
b- |
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