| |
|
|---|
| Half life: | 22.3 m 2 | |
|---|
| Jp: | 3/2- |
|---|
| Sn (keV): | 5807.2 3 |
|---|
| Sp (keV): | 9069 74 |
|---|
| Prod. mode: |
Fission product
Fast neutron activation
Thermal neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 71,709 (1994) |
|---|
| Literature cut-off date: | 1-Mar-1994 |
|---|
| Author(s): | C.W. Reich |
|---|
| References since cut-off: |
155Sm decay from 1994-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| b- | 100 | 1626.9 12 |
69Un01 |
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 155Sm (22.3 m 2)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 25.64 6 |
0.52 8 |
b- |
| 30.5 5 |
0.56 4 |
b- |
| 53.1 4 |
0.015 6 |
b- |
| 61.6069 3 |
0.224 22 |
b- |
| 63.1 5 |
0.011 4 |
b- |
| 64.6761 6 |
0.0075 15 |
b- |
| 78.6379 10 |
0.254 11 |
b- |
| 80.0 5 |
0.032 8 |
b- |
| 84.1017 10 |
0.0023 6 |
b- |
| 90.3725 17 |
0.0093 22 |
b- |
| 104.3346 8 |
74.6 19 |
b- |
| 138.3746 5 |
0.075 19 |
b- |
| 141.4428 6 |
1.98 8 |
b- |
| 167.1482 11 |
0.037 8 |
b- |
| 169.0067 9 |
0.037 11 |
b- |
| 178.572 7 |
0.0019 4 |
b- |
| 183.4 5 |
0.0019 4 |
b- |
| 195.624 6 |
0.0086 19 |
b- |
| 203.048 3 |
0.037 4 |
b- |
| 220.1 6 |
0.0021 5 |
b- |
| 228.7346 18 |
0.052 8 |
b- |
| 229.943 5 |
0.0030 8 |
b- |
| 245.771 4 |
3.7 |
b- |
| 280 1 |
0.015 4 |
b- |
| 287.146 4 |
0.0011 4 |
b- |
| 307.384 9 |
0.010 3 |
b- |
| 426.177 3 |
0.0127 22 |
b- |
| 461.046 11 |
0.065 9 |
b- |
| 510.296 3 |
0.0123 15 |
b- |
| 522.670 4 |
0.149 15 |
b- |
| 571.885 4 |
0.019 4 |
b- |
| 603.806 9 |
0.011 4 |
b- |
| 631.023 4 |
0.017 5 |
b- |
| 648.56 6 |
0.0075 19 |
b- |
| 664.122 7 |
0.060 8 |
b- |
| 665.423 5 |
0.0056 15 |
b- |
| 677.406 6 |
0.0067 19 |
b- |
| 713.31 5 |
0.0060 15 |
b- |
| 758.0 15 |
0.0034 19 |
b- |
| 768.27 7 |
0.0056 11 |
b- |
| 817.61 4 |
0.00093 19 |
b- |
| 830 20 |
0.00093 19 |
b- |
| 861.1 |
0.0048 11 |
b- |
| 880 10 |
0.0028 6 |
b- |
| 911 |
0.00093 19 |
b- |
| 923.08 3 |
0.00093 19 |
b- |
| 932.624 16 |
0.0093 19 |
b- |
| 997.355 25 |
0.012 3 |
b- |
| 1002.38 5 |
0.0168 22 |
b- |
| 1018 |
0.00093 19 |
b- |
| 1055 |
~0.0009 |
b- |
| 1096.17 6 |
0.00093 19 |
b- |
| 1132 |
0.0019 4 |
b- |
| 1159.52 10 |
0.013 3 |
b- |
| 1174.5 15 |
0.0015 4 |
b- |
| 1197.7 4 |
0.0056 11 |
b- |
| 1207.8 10 |
0.0015 4 |
b- |
| 1223.02 9 |
0.0224 22 |
b- |
| 1262.4 5 |
0.0022 8 |
b- |
| 1301.56 5 |
0.078 8 |
b- |
|
X-rays from 155Sm (22.3 m 2)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 5.177 |
0.059 8 |
Eu Ll |
| 5.816 |
0.157 16 |
Eu La2 |
| 5.817 |
0.022 3 |
Eu Lh |
| 5.846 |
1.42 15 |
Eu La1 |
| 6.438 |
0.11 4 |
Eu Lb4 |
| 6.457 |
0.92 11 |
Eu Lb1 |
| 6.571 |
0.18 7 |
Eu Lb3 |
| 6.617 |
0.0136 14 |
Eu Lb6 |
| 6.844 |
0.30 3 |
Eu Lb2 |
| 7.484 |
0.155 19 |
Eu Lg1 |
| 7.768 |
0.034 14 |
Eu Lg2 |
| 7.795 |
0.049 20 |
Eu Lg3 |
| 40.467 |
0.00138 5 |
Eu Ka3 |
| 40.902 |
5.09 16 |
Eu Ka2 |
| 41.542 |
9.2 3 |
Eu Ka1 |
| 46.905 |
0.90 3 |
Eu Kb3 |
| 47.038 |
1.74 5 |
Eu Kb1 |
| 47.373 |
0.0266 12 |
Eu Kb5 |
| 48.249 |
0.577 18 |
Eu Kb2 |
| 48.386 |
0.230 11 |
Eu Kb4 |
Betas from 155Sm (22.3 m 2)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 325.32 |
0.109 8 |
b- |
| 362.86 |
0.016 3 |
b- |
| 520.12 |
0.030 4 |
b- |
| 525.24 |
0.023 4 |
b- |
| 530.73 |
0.0030 6 |
b- |
| 703.72 |
0.0039 20 |
b- |
| 715.69 |
0.010 5 |
b- |
| 750.1 |
0.015 5 |
b- |
| 809.23 |
0.058 6 |
b- |
| 858.45 |
0.28 2 |
b- |
| 1319.52 |
2.17 22 |
b- |
| 1381.12 |
4.27 24 |
b- |
| 1522.57 |
92.8 24 |
b- |
| 1626.9 |
1 |
b- |
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