| |
|
| Half life: | 18.65 m 10 | |
| Jp: | 3/2- |
| Sn (keV): | 7.20E3 11 |
| Sp (keV): | 5.21E3 sy |
| Prod. mode: |
Charged particle reaction
|
| | |
| ENSDF citation: | NDS 78,219 (1996) |
| Literature cut-off date: | 1-Mar-1996 |
| Author(s): | R.G. Helmer |
| References since cut-off: |
157Er decay from 1996-98 (NSR)
|
| |
Decay properties: |
| Mode | Branching (%) | Q-value (keV) |
|
| e+b+ | 100 | 3500 62 |
|
| |
Most Recent ENSDF Data (12/2002) |
| Mode | Data set name | Display data |
|
| TORI Data (1999)
Gammas from 157Er (18.65 m 10)
|
| Eg (keV) |
Ig (%) | Decay mode |
|
| 53.05 2 |
~24 |
e+b+ |
| 57.06 |
0.20 |
e+b+ |
| 66.91 2 |
3.0 3 |
e+b+ |
| 68.60 |
0.17 |
e+b+ |
| 71.3 |
0.09 |
e+b+ |
| 83.4 1 |
1.73 23 |
e+b+ |
| 83.58 3 |
1.73 23 |
e+b+ |
| 88.6 |
0.13 |
e+b+ |
| 117.4 3 |
0.47 10 |
e+b+ |
| 121.57 11 |
10.1 20 |
e+b+ |
| 136.6 |
0.17 |
e+b+ |
| 142.0 3 |
0.12 3 |
e+b+ |
| 144.3 3 |
0.24 4 |
e+b+ |
| 150.4 1 |
3.0 6 |
e+b+ |
| 154.4 |
0.17 |
e+b+ |
| 157.8 2 |
0.16 3 |
e+b+ |
| 160.6 3 |
0.64 7 |
e+b+ |
| 168.9 |
0.21 |
e+b+ |
| 174.6 |
0.28 |
e+b+ |
| 179.8 2 |
1.18 6 |
e+b+ |
| 182.3 |
0.5 |
e+b+ |
| 183.6 |
0.37 |
e+b+ |
| 199.0 2 |
0.06 |
e+b+ |
| 201.4 2 |
0.21 6 |
e+b+ |
| 205.6 |
0.37 |
e+b+ |
| 211.8 |
0.26 |
e+b+ |
| 238.3 5 |
0.23 |
e+b+ |
| 264.7 |
0.37 |
e+b+ |
| 284.6 2 |
0.122 16 |
e+b+ |
| 302.2 2 |
0.34 6 |
e+b+ |
| 303.6 1 |
1.24 11 |
e+b+ |
| 305.1 1 |
0.45 7 |
e+b+ |
| 308.2 2 |
0.37 9 |
e+b+ |
| 317.6 2 |
0.51 6 |
e+b+ |
| 347.7 1 |
1.60 13 |
e+b+ |
| 349.5 3 |
0.20 6 |
e+b+ |
| 354.6 3 |
0.24 4 |
e+b+ |
| 357.0 2 |
0.50 9 |
e+b+ |
| 372.1 1 |
0.26 3 |
e+b+ |
| 374.6 1 |
0.087 18 |
e+b+ |
| 391.32 9 |
14.2 9 |
e+b+ |
| 398.9 2 |
0.14 4 |
e+b+ |
| 411.7 2 |
0.044 16 |
e+b+ |
| 422.8 2 |
0.30 6 |
e+b+ |
| 431.0 1 |
0.74 14 |
e+b+ |
| 436.7 2 |
0.10 3 |
e+b+ |
| 440.2 3 |
0.17 6 |
e+b+ |
| 442.7 3 |
0.27 9 |
e+b+ |
| 443.6 3 |
0.21 7 |
e+b+ |
| 456.2 1 |
0.14 4 |
e+b+ |
| 460.5 2 |
0.41 9 |
e+b+ |
| 474.4 2 |
0.18 6 |
e+b+ |
| 481.0 4 |
~0.07 |
e+b+ |
| 482.4 3 |
0.14 |
e+b+ |
| 493.1 2 |
0.16 3 |
e+b+ |
| 502.5 3 |
0.27 6 |
e+b+ |
| 503.5 2 |
0.84 6 |
e+b+ |
| 517.3 3 |
0.26 7 |
e+b+ |
| 518.5 3 |
0.34 10 |
e+b+ |
| 524.4 |
0.9 |
e+b+ |
| 527.8 1 |
0.68 9 |
e+b+ |
| 538.1 3 |
<0.16 |
e+b+ |
| 549.1 1 |
2.7 3 |
e+b+ |
| 560.9 3 |
0.09 3 |
e+b+ |
| 564.4 1 |
0.22 3 |
e+b+ |
| 569.0 |
|
e+b+ |
| 574.0 1 |
0.45 6 |
e+b+ |
| 584.0 1 |
0.53 6 |
e+b+ |
| 611.0 1 |
0.68 7 |
e+b+ |
| 614.7 1 |
0.13 4 |
e+b+ |
| 641.0 |
0.28 3 |
e+b+ |
| 651.8 1 |
0.47 6 |
e+b+ |
| 672.0 2 |
0.24 4 |
e+b+ |
| 673.5 2 |
0.31 4 |
e+b+ |
| 694.6 1 |
0.18 7 |
e+b+ |
| 719.5 5 |
0.14 |
e+b+ |
| 735.6 2 |
<0.14 |
e+b+ |
| 747.5 |
0.50 4 |
e+b+ |
| 785.8 2 |
0.28 6 |
e+b+ |
| 792.6 2 |
0.28 3 |
e+b+ |
| 796.0 2 |
0.16 3 |
e+b+ |
| 807.5 |
0.34 4 |
e+b+ |
| 816.7 2 |
|
e+b+ |
| 824.8 2 |
|
e+b+ |
| 889.7 |
|
e+b+ |
| 910.6 3 |
0.26 7 |
e+b+ |
| 921.1 1 |
0.075 10 |
e+b+ |
| 942.0 2 |
0.26 6 |
e+b+ |
| 960.7 2 |
0.21 7 |
e+b+ |
| 972.2 2 |
|
e+b+ |
| 980.5 2 |
0.114 24 |
e+b+ |
| 1026.4 2 |
0.16 4 |
e+b+ |
| 1028.7 2 |
0.11 6 |
e+b+ |
| 1114.7 1 |
0.19 3 |
e+b+ |
| 1129.0 2 |
0.17 6 |
e+b+ |
| 1137.8 2 |
0.057 18 |
e+b+ |
| 1141.2 2 |
|
e+b+ |
| 1142.8 2 |
0.27 7 |
e+b+ |
| 1148.3 3 |
<0.21 |
e+b+ |
| 1154.0 3 |
0.17 6 |
e+b+ |
| 1184.5 3 |
0.060 24 |
e+b+ |
| 1196.0 2 |
0.30 6 |
e+b+ |
| 1205.5 3 |
0.18 6 |
e+b+ |
| 1226.2 5 |
<0.09 |
e+b+ |
| 1228.9 3 |
0.24 6 |
e+b+ |
| 1238.1 1 |
0.24 7 |
e+b+ |
| 1242.7 1 |
0.47 9 |
e+b+ |
| 1246.9 2 |
|
e+b+ |
| 1278.8 2 |
0.20 7 |
e+b+ |
| 1310.2 2 |
0.16 6 |
e+b+ |
| 1312.5 3 |
0.10 4 |
e+b+ |
| 1373.7 2 |
0.26 7 |
e+b+ |
| 1378.4 3 |
0.20 6 |
e+b+ |
| 1391.7 2 |
0.26 7 |
e+b+ |
| 1396.4 3 |
0.18 6 |
e+b+ |
| 1398.2 2 |
0.26 7 |
e+b+ |
| 1403.4 4 |
0.14 |
e+b+ |
| 1422.5 2 |
0.89 13 |
e+b+ |
| 1433.1 2 |
0.44 9 |
e+b+ |
| 2170.0 5 |
0.50 6 |
e+b+ |
| 2217.5 3 |
0.31 4 |
e+b+ |
|
X-rays from 157Er (18.65 m 10)
|
| E (keV) |
I (%) | Assignment |
|
| 5.943 |
0.23 3 |
Ho Ll |
| 6.680 |
0.59 5 |
Ho La2 |
| 6.720 |
5.3 5 |
Ho La1 |
| 6.790 |
0.078 7 |
Ho Lh |
| 7.471 |
0.38 6 |
Ho Lb4 |
| 7.526 |
3.5 3 |
Ho Lb1 |
| 7.635 |
0.058 5 |
Ho Lb6 |
| 7.653 |
0.60 10 |
Ho Lb3 |
| 7.910 |
1.08 9 |
Ho Lb2 |
| 8.757 |
0.62 6 |
Ho Lg1 |
| 9.051 |
0.118 20 |
Ho Lg2 |
| 9.088 |
0.17 3 |
Ho Lg3 |
| 46.223 |
0.0068 5 |
Ho Ka3 |
| 46.700 |
16.7 10 |
Ho Ka2 |
| 47.547 |
29.7 19 |
Ho Ka1 |
| 53.695 |
3.07 19 |
Ho Kb3 |
| 53.876 |
5.9 4 |
Ho Kb1 |
| 54.246 |
0.108 8 |
Ho Kb5 |
| 55.293 |
1.99 12 |
Ho Kb2 |
| 55.457 |
0.62 4 |
Ho Kb4 |
Betas from 157Er (18.65 m 10)
|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|
| 1928.85 |
0.69 11 |
b+ |
| 2086.68 |
3.7 6 |
b+ |
| 2303.45 |
7.4 19 |
b+ |
| 2950.85 |
2.7 3 |
e |
| 3108.68 |
11 2 |
e |
| 3325.45 |
17 4 |
e |
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