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|
Half life: | 7.516 h 2 | |
Jp: | 5/2- |
Sn (keV): | 5681.5 5 |
Sp (keV): | 8769 50 |
Prod. mode: |
Fast neutron activation Thermal neutron activation
|
| |
ENSDF citation: | NDS 66,69 (1992) |
Literature cut-off date: | 30-Jun-1991 |
Author(s): | V.S. Shirley |
References since cut-off: |
171Er decay from 1991-98 (NSR)
|
|
Decay properties: |
Mode | Branching (%) | Q-value (keV) |
References |
b- | 100 | 1490.5 13 |
72Gr09 |
|
Data sets: |
Mode | Data set name | Display data |
|
Gammas from 171Er (7.516 h 2)
|
Eg (keV) |
Ig (%) | Decay mode |
|
5.025 6 |
|
b- |
12.385 8 |
0.0305 18 |
b- |
85.63 4 |
0.060 4 |
b- |
111.621 4 |
20.5 8 |
b- |
116.656 6 |
2.30 6 |
b- |
124.015 6 |
9.1 3 |
b- |
166.4 3 |
|
b- |
175.53 13 |
0.089 9 |
b- |
197.74 2 |
0.027 5 |
b- |
210.16 5 |
~0.007 |
b- |
210.60 3 |
0.642 19 |
b- |
237.14 4 |
0.302 10 |
b- |
261.4 2 |
<0.02 |
b- |
277.37 13 |
0.58 2 |
b- |
286.5 2 |
~0.008 |
b- |
295.901 13 |
28.9 8 |
b- |
308.31 3 |
64.4 16 |
b- |
362.91 14 |
0.0197 11 |
b- |
371.96 9 |
0.257 10 |
b- |
419.9 3 |
0.083 4 |
b- |
424.9 5 |
0.0224 23 |
b- |
455.6 2 |
0.006 2 |
b- |
487.9 2 |
0.005 2 |
b- |
495.4 2 |
0.002 1 |
b- |
506.8 4 |
0.0227 20 |
b- |
519.4 4 |
0.0177 16 |
b- |
547.8 5 |
0.017 4 |
b- |
559.4 4 |
0.0466 19 |
b- |
573.5 2 |
0.0098 15 |
b- |
586.1 2 |
0.004 2 |
b- |
608.4 4 |
~0.037 |
b- |
609.0 2 |
~0.02 |
b- |
621.03 23 |
0.089 3 |
b- |
630.7 2 |
0.005 1 |
b- |
670.8 2 |
0.252 5 |
b- |
671.8 2 |
0.022 5 |
b- |
676.0 2 |
0.285 6 |
b- |
693.5 4 |
0.0150 16 |
b- |
705.8 2 |
0.012 4 |
b- |
732.5 3 |
0.0976 24 |
b- |
745.0 5 |
0.0066 8 |
b- |
767.8 2 |
0.0045 5 |
b- |
784.09 17 |
0.240 5 |
b- |
796.54 11 |
0.640 13 |
b- |
860.0 2 |
0.00150 24 |
b- |
869.7 3 |
0.055 5 |
b- |
871.5 2 |
0.020 5 |
b- |
882.0 4 |
0.0385 19 |
b- |
907.9 3 |
0.635 13 |
b- |
912.6 5 |
0.077 5 |
b- |
966.1 4 |
0.0264 8 |
b- |
976.2 5 |
0.0007 3 |
b- |
994.0 5 |
0.0006 3 |
b- |
1051.0 5 |
0.0004 2 |
b- |
1096.9 8 |
0.00106 19 |
b- |
1109.0 5 |
0.00679 21 |
b- |
1156.0 5 |
0.00060 15 |
b- |
1168.4 5 |
0.00184 15 |
b- |
1172.9 5 |
0.0008 3 |
b- |
1182.0 5 |
0.0003 2 |
b- |
1220.5 8 |
0.0028 2 |
b- |
1271.2 5 |
0.00034 15 |
b- |
1279.9 5 |
0.0025 2 |
b- |
1284.4 5 |
0.0024 2 |
b- |
1395.5 5 |
0.0028 8 |
b- |
1400.5 5 |
0.0025 1 |
b- |
|
X-rays from 171Er (7.516 h 2)
|
E (keV) |
I (%) | Assignment |
|
6.341 |
0.227 24 |
Tm Ll |
7.133 |
0.57 4 |
Tm La2 |
7.180 |
5.2 4 |
Tm La1 |
7.310 |
0.080 6 |
Tm Lh |
8.026 |
0.42 7 |
Tm Lb4 |
8.102 |
3.8 3 |
Tm Lb1 |
8.176 |
0.059 4 |
Tm Lb6 |
8.231 |
0.66 10 |
Tm Lb3 |
8.468 |
1.01 8 |
Tm Lb2 |
9.437 |
0.68 6 |
Tm Lg1 |
9.730 |
0.133 22 |
Tm Lg2 |
9.779 |
0.19 3 |
Tm Lg3 |
49.274 |
0.0066 3 |
Tm Ka3 |
49.773 |
13.3 5 |
Tm Ka2 |
50.742 |
23.5 9 |
Tm Ka1 |
57.300 |
2.48 9 |
Tm Kb3 |
57.505 |
4.80 18 |
Tm Kb1 |
57.898 |
0.095 5 |
Tm Kb5 |
59.028 |
1.62 6 |
Tm Kb2 |
59.210 |
0.429 22 |
Tm Kb4 |
Betas from 171Er (7.516 h 2)
|
Eb endpoint (keV) |
Ib (%) | Decay mode |
|
89,9 |
0.0063 9 |
b- |
99,4 |
0.026 1 |
b- |
194,1 |
0.020 5 |
b- |
205,5 |
0.33 2 |
b- |
264,8 |
0.011 1 |
b- |
491,9 |
0.52 3 |
b- |
577,51 |
2.19 5 |
b- |
668,1 |
0.029 4 |
b- |
753,06 |
0.044 16 |
b- |
814,64 |
0.19 2 |
b- |
854,93 |
0.02 |
b- |
1065,55 |
94.4 18 |
b- |
1163,71 |
0.020 9 |
b- |
1485,47 |
2.3 2 |
b- |
1490,5 |
2.3 2 |
b- |
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