| |
|
|---|
| Half life: | 53.08 h 5 | |
|---|
| Jp: | 7/2+ |
|---|
| Sn (keV): | 7269 7 |
|---|
| Sp (keV): | 5947 4 |
|---|
| Prod. mode: |
Fission product
Fast neutron activation
Thermal neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 73,351 (1994) |
|---|
| Literature cut-off date: | 1-Dec-1994 |
|---|
| Author(s): | B. Singh |
|---|
| References since cut-off: |
149Pm decay from 1994-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| b- | 100 | 1071 4 |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 149Pm (53.08 h 5)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 22.510 8 |
<0.050 |
b- |
| 72.983 10 |
0.000031 25 |
b- |
| 208.283 21 |
0.00146 9 |
b- |
| 238.38 12 |
0.00022 3 |
b- |
| 242.10 14 |
0.00019 3 |
b- |
| 254.566 23 |
0.0053 3 |
b- |
| 257.77 11 |
0.00034 3 |
b- |
| 263.23 4 |
0.0096 3 |
b- |
| 277.089 10 |
0.0288 12 |
b- |
| 281.295 16 |
0.0074 3 |
b- |
| 285.95 1 |
3.1 |
b- |
| 305.22 8 |
0.00257 15 |
b- |
| 314.85 15 |
0.00028 3 |
b- |
| 323.95 9 |
0.00152 15 |
b- |
| 327.526 10 |
0.00372 19 |
b- |
| 350.016 10 |
0.00034 |
b- |
| 350.71 7 |
0.00149 9 |
b- |
| 353.46 11 |
0.00031 3 |
b- |
| 359.57 7 |
0.00149 12 |
b- |
| 506.093 10 |
0.00012 3 |
b- |
| 528.587 10 |
0.00012 3 |
b- |
| 531.61 6 |
0.00149 12 |
b- |
| 535.897 12 |
0.0115 6 |
b- |
| 544.27 6 |
0.00248 12 |
b- |
| 547.17 7 |
0.00161 12 |
b- |
| 550.01 15 |
0.00019 3 |
b- |
| 552.92 9 |
0.00059 3 |
b- |
| 558.372 10 |
0.0152 9 |
b- |
| 568.36 7 |
0.0186 12 |
b- |
| 571.08 9 |
0.00242 22 |
b- |
| 590.88 1 |
0.069 3 |
b- |
| 598.42 15 |
0.00022 3 |
b- |
| 613.92 2 |
0.0149 9 |
b- |
| 636.50 5 |
0.0093 6 |
b- |
| 664.1 1 |
0.00078 9 |
b- |
| 785.23 12 |
0.00037 6 |
b- |
| 808.11 5 |
0.0164 12 |
b- |
| 812.92 11 |
0.00031 3 |
b- |
| 824.3 2 |
0.00012 3 |
b- |
| 830.53 7 |
0.0325 25 |
b- |
| 833.40 7 |
0.0332 25 |
b- |
| 835.55 11 |
0.00108 9 |
b- |
| 859.46 6 |
0.109 3 |
b- |
| 881.98 5 |
0.0239 9 |
b- |
| 915.5 3 |
0.000009 3 |
b- |
| 930.2 2 |
0.00059 9 |
b- |
| 950.6 2 |
0.00022 6 |
b- |
| 952.8 1 |
0.00087 9 |
b- |
| 964.4 5 |
0.0000031 9 |
b- |
| 969.6 5 |
0.0000031 9 |
b- |
|
X-rays from 149Pm (53.08 h 5)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 4.993 |
0.0026 3 |
Sm Ll |
| 5.589 |
0.00122 9 |
Sm Lh |
| 5.610 |
0.0070 6 |
Sm La2 |
| 5.636 |
0.063 5 |
Sm La1 |
| 6.196 |
0.0164 25 |
Sm Lb4 |
| 6.206 |
0.050 4 |
Sm Lb1 |
| 6.317 |
0.027 4 |
Sm Lb3 |
| 6.371 |
0.00059 5 |
Sm Lb6 |
| 6.587 |
0.0134 12 |
Sm Lb2 |
| 7.183 |
0.0082 6 |
Sm Lg1 |
| 7.471 |
0.0051 8 |
Sm Lg2 |
| 7.489 |
0.0072 12 |
Sm Lg3 |
| 39.097 |
1.72E-05 5 |
Sm Ka3 |
| 39.522 |
0.0680 14 |
Sm Ka2 |
| 40.118 |
0.123 3 |
Sm Ka1 |
| 45.294 |
0.01203 25 |
Sm Kb3 |
| 45.414 |
0.0233 5 |
Sm Kb1 |
| 45.741 |
0.000345 14 |
Sm Kb5 |
| 46.578 |
0.00769 16 |
Sm Kb2 |
| 46.705 |
0.00291 12 |
Sm Kb4 |
Betas from 149Pm (53.08 h 5)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 118.22 |
0.0015 2 |
b- |
| 189.06 |
0.136 10 |
b- |
| 235.41 |
0.0016 2 |
b- |
| 237.77 |
0.035 4 |
b- |
| 240.59 |
0.052 5 |
b- |
| 285.77 |
0.00037 7 |
b- |
| 406.95 |
0.00077 11 |
b- |
| 434.54 |
0.027 2 |
b- |
| 480.11 |
0.090 7 |
b- |
| 512.63 |
0.035 3 |
b- |
| 720.96 |
0.0013 3 |
b- |
| 785.06 |
3.4 2 |
b- |
| 793.92 |
0.027 2 |
b- |
| 1048.49 |
48 |
b- |
| 1071 |
95.9 3 |
b- |
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