| |
|
|---|
| Half life: | 23.72 h 6 | |
|---|
| Jp: | 3/2- |
|---|
| Sn (keV): | 5466.72 21 |
|---|
| Sp (keV): | 8585 60 |
|---|
| Prod. mode: |
Fast neutron activation
Thermal neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 62,159 (1991) |
|---|
| Literature cut-off date: | 1-Sep-1990 |
|---|
| Author(s): | R.B. Firestone |
|---|
| Update: | 1-Dec-1991, R.B. Firestone |
|---|
| References since cut-off: |
187W decay from 1991-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| b- | 100 | 1311.2 13 |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 187W (23.72 h 6)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 7.150 14 |
0.0034 6 |
b- |
| 16.45 16 |
0.0063 6 |
b- |
| 29.226 19 |
0.0060 8 |
b- |
| 36.38 3 |
0.0074 8 |
b- |
| 40.76 12 |
0.0020 6 |
b- |
| 43.67 4 |
0.0020 6 |
b- |
| 65.25 18 |
|
b- |
| 70.22 3 |
|
b- |
| 72.001 4 |
11.14 22 |
b- |
| 77.370 20 |
0.0071 11 |
b- |
| 93.22 3 |
0.0052 8 |
b- |
| 100.37 3 |
0.0087 8 |
b- |
| 103.79 4 |
0.0101 3 |
b- |
| 106.56 4 |
|
b- |
| 106.596 12 |
0.0262 8 |
b- |
| 113.747 8 |
0.0773 22 |
b- |
| 115.32 12 |
0.0052 3 |
b- |
| 123.68 5 |
0.025 4 |
b- |
| 134.243 6 |
8.85 16 |
b- |
| 138.50 5 |
0.0044 11 |
b- |
| 141.02 11 |
0.0066 22 |
b- |
| 147.38 4 |
|
b- |
| 154.53 4 |
0.0158 6 |
b- |
| 165.8 4 |
0.0009 4 |
b- |
| 168.88 8 |
0.0025 11 |
b- |
| 178.86 3 |
0.014 6 |
b- |
| 191.05 3 |
|
b- |
| 198.20 3 |
0.0017 4 |
b- |
| 201.28 11 |
|
b- |
| 206.244 7 |
0.143 4 |
b- |
| 208.43 11 |
0.0007 3 |
b- |
| 239.127 23 |
0.086 4 |
b- |
| 246.278 19 |
0.119 4 |
b- |
| 261.13 4 |
0.011 3 |
b- |
| 262.87 12 |
0.011 3 |
b- |
| 275.50 3 |
0.0021 6 |
b- |
| 303.13 8 |
0.0005 3 |
b- |
| 345.62 12 |
|
b- |
| 352.874 22 |
0.0016 6 |
b- |
| 373.91 5 |
0.0025 8 |
b- |
| 375.74 4 |
0.0035 8 |
b- |
| 454.893 23 |
0.0295 19 |
b- |
| 479.531 17 |
21.8 4 |
b- |
| 484.119 20 |
0.0172 8 |
b- |
| 491.269 20 |
|
b- |
| 492.80 20 |
0.025 8 |
b- |
| 511.765 19 |
0.647 14 |
b- |
| 551.532 18 |
5.08 11 |
b- |
| 564.96 5 |
0.012 4 |
b- |
| 573.68 13 |
0.00052 16 |
b- |
| 576.33 8 |
0.0066 11 |
b- |
| 578.72 11 |
0.0010 4 |
b- |
| 581.99 4 |
|
b- |
| 589.135 23 |
0.122 4 |
b- |
| 611.74 4 |
0.0022 11 |
b- |
| 618.361 20 |
6.28 14 |
b- |
| 625.511 19 |
1.089 25 |
b- |
| 638.61 12 |
|
b- |
| 638.65 4 |
0.0033 11 |
b- |
| 640.97 5 |
0.035 14 |
b- |
| 647.23 17 |
0.0008 4 |
b- |
| 682.32 2 |
0.007 7 |
b- |
| 685.774 18 |
27.3 6 |
b- |
| 692.55 11 |
0.0014 8 |
b- |
| 727.38 14 |
0.038 11 |
b- |
| 730.40 3 |
<0.016 |
b- |
| 745.214 18 |
0.298 7 |
b- |
| 767.8 4 |
0.0016 6 |
b- |
| 772.89 4 |
4.12 8 |
b- |
| 794.69 12 |
0.025 8 |
b- |
| 816.562 19 |
0.0099 7 |
b- |
| 825.93 5 |
0.00023 4 |
b- |
| 826.79 11 |
0.00023 4 |
b- |
| 835.0 4 |
0.009 3 |
b- |
| 844.85 12 |
0.00025 14 |
b- |
| 864.64 3 |
0.336 8 |
b- |
| 879.456 18 |
0.142 4 |
b- |
| 933.62 14 |
0.014 6 |
b- |
| 960.17 5 |
0.00131 8 |
b- |
| 969.3 4 |
0.041 14 |
b- |
| 1000.93 12 |
0.0044 14 |
b- |
| 1056.23 5 |
0.00022 6 |
b- |
| 1086.66 18 |
<0.00008 |
b- |
| 1095.86 4 |
<0.00008 |
b- |
| 1190.47 5 |
0.00022 3 |
b- |
| 1220.90 18 |
0.00017 5 |
b- |
| 1230.10 4 |
0.00131 14 |
b- |
|
X-rays from 187W (23.72 h 6)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 7.604 |
0.145 14 |
Re Ll |
| 8.586 |
0.337 19 |
Re La2 |
| 8.652 |
3.01 17 |
Re La1 |
| 9.027 |
0.044 3 |
Re Lh |
| 9.845 |
0.22 4 |
Re Lb4 |
| 9.910 |
0.0393 22 |
Re Lb6 |
| 10.010 |
2.08 13 |
Re Lb1 |
| 10.159 |
0.31 6 |
Re Lb3 |
| 10.268 |
0.69 4 |
Re Lb2 |
| 10.532 |
0.0273 16 |
Re Lb5 |
| 11.685 |
0.40 3 |
Re Lg1 |
| 11.955 |
0.0249 25 |
Re Lg6 |
| 12.009 |
0.069 13 |
Re Lg2 |
| 12.082 |
0.099 19 |
Re Lg3 |
| 59.150 |
0.00575 20 |
Re Ka3 |
| 59.718 |
7.06 18 |
Re Ka2 |
| 61.141 |
12.2 3 |
Re Ka1 |
| 68.995 |
1.39 4 |
Re Kb3 |
| 69.309 |
2.68 7 |
Re Kb1 |
| 69.760 |
0.064 3 |
Re Kb5 |
| 71.195 |
0.933 24 |
Re Kb2 |
| 71.409 |
0.120 5 |
Re Kb4 |
Betas from 187W (23.72 h 6)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 81.09 |
0.040 14 |
b- |
| 90.29 |
0.00078 18 |
b- |
| 120.73 |
0.015 5 |
b- |
| 308.06 |
0.097 20 |
b- |
| 310.27 |
0.045 15 |
b- |
| 341.9 |
0.050 14 |
b- |
| 377.58 |
0.053 12 |
b- |
| 431.74 |
0.369 21 |
b- |
| 446.56 |
0.644 14 |
b- |
| 484.41 |
0.010 3 |
b- |
| 494.64 |
0.040 9 |
b- |
| 538.3 |
4.23 9 |
b- |
| 592.47 |
0.087 10 |
b- |
| 625.42 |
54.9 8 |
b- |
| 685.69 |
3.3 4 |
b- |
| 692.84 |
4.7 5 |
b- |
| 799.43 |
0.024 |
b- |
| 1176.96 |
0.7 3 |
b- |
| 1311.2 |
29.8 10 |
b- |
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