|
|
Half life: | 18.72 d 2 | |
Jp: | (1/2+) |
Sn (keV): | 5456 5 |
Sp (keV): | 5790 4 |
Prod. mode: |
Naturally occurring
|
| |
ENSDF citation: | NDS 65,669 (1992) |
Literature cut-off date: | 31-Aug-1990 |
Author(s): | E. Browne |
References since cut-off: |
227Th decay from 1990-98 (NSR)
|
|
Decay properties: |
Mode | Branching (%) | Q-value (keV) |
References |
a | 100 | 6146.43 15 |
90Br23 72He18 69Br27 |
|
Data sets: |
Mode | Data set name | Display data |
|
Gammas from 227Th (18.72 d 2)
|
Eg (keV) |
Ig (%) | Decay mode |
|
6.3 3 |
|
a |
8.2 1 |
|
a |
20.30 5 |
0.18 6 |
a |
20.95 5 |
|
a |
29.60 3 |
~0.0049 |
a |
29.86 1 |
0.09 3 |
a |
31.58 1 |
0.076 18 |
a |
33.40 8 |
~0.012 |
a |
40.2 1 |
0.025 |
a |
42.16 20 |
0.039 15 |
a |
43.80 19 |
0.049 12 |
a |
43.80 5 |
0.22 3 |
a |
44.10 5 |
0.0074 25 |
a |
44.40 5 |
0.004 4 |
a |
44.40 5 |
0.012 9 |
a |
46.45 5 |
|
a |
48.30 3 |
0.0095 10 |
a |
48.5 5 |
0.048 12 |
a |
49.89 7 |
0.57 18 |
a |
50.13 1 |
8.0 4 |
a |
50.84 5 |
|
a |
54.20 4 |
|
a |
54.2 10 |
|
a |
56.00 6 |
0.0095 18 |
a |
56.55 3 |
0.10 5 |
a |
59.6 5 |
0.010 4 |
a |
61.441 20 |
0.085 18 |
a |
62.0 5 |
|
a |
62.45 5 |
0.19 3 |
a |
62.45 5 |
0.19 3 |
a |
64.31 10 |
0.037 12 |
a |
66.2 5 |
0.006 4 |
a |
66.4 5 |
0.007 4 |
a |
68.72 9 |
0.054 11 |
a |
68.72 9 |
0.054 11 |
a |
69.8 5 |
0.010 4 |
a |
72.90 10 |
0.027 6 |
a |
73.62 5 |
0.019 3 |
a |
75.15 25 |
0.022 6 |
a |
79.72 1 |
1.89 18 |
a |
90.0 3 |
|
a |
93.93 8 |
1.37 11 |
a |
94.90 5 |
0.0113 18 |
a |
94.90 5 |
0.0113 18 |
a |
96.10 14 |
0.066 18 |
a |
99.6 1 |
|
a |
99.6 2 |
|
a |
100.27 3 |
0.076 15 |
a |
102.5 1 |
|
a |
105.2 4 |
|
a |
107.75 7 |
0.008 3 |
a |
107.75 7 |
0.008 3 |
a |
109.6 5 |
~0.006 |
a |
110.65 5 |
|
a |
112.6 5 |
~0.009 |
a |
113.159 20 |
0.15 |
a |
113.159 20 |
0.5 |
a |
117.20 5 |
|
a |
117.20 5 |
0.170 18 |
a |
117.5 5 |
0.0123 25 |
a |
123.52 18 |
0.010 5 |
a |
124.8 3 |
~0.0025 |
a |
134.48 15 |
0.028 6 |
a |
141.49 5 |
0.12 7 |
a |
141.49 5 |
0.12 7 |
a |
150.16 17 |
0.014 11 |
a |
162.1 3 |
~0.009 |
a |
168.29 13 |
0.014 3 |
a |
170.00 10 |
~0.0037 |
a |
173.41 9 |
0.015 4 |
a |
175.8 3 |
0.020 25 |
a |
184.65 5 |
0.038 6 |
a |
197.61 10 |
0.014 4 |
a |
200.5 2 |
|
a |
201.60 9 |
0.031 7 |
a |
202.5 5 |
0.0061 25 |
a |
204.27 17 |
0.20 5 |
a |
205.03 9 |
0.15 4 |
a |
206.11 5 |
0.21 6 |
a |
210.65 5 |
1.11 21 |
a |
212.65 4 |
0.06 4 |
a |
212.7 3 |
0.018 6 |
a |
219.00 13 |
0.103 10 |
a |
219.00 13 |
0.103 10 |
a |
225.5 10 |
~0.0037 |
a |
230.3 3 |
|
a |
234.81 9 |
0.41 15 |
a |
235.971 20 |
12.3 9 |
a |
246.19 20 |
0.010 4 |
a |
249.6 5 |
~0.007 |
a |
250.35 5 |
0.086 25 |
a |
250.35 5 |
0.34 5 |
a |
252.6 3 |
0.10 3 |
a |
254.68 9 |
0.7 5 |
a |
256.25 2 |
7.0 4 |
a |
262.91 9 |
0.095 10 |
a |
267.1 2 |
|
a |
268.00 19 |
0.0057 18 |
a |
270.7 5 |
0.037 12 |
a |
272.93 9 |
0.48 7 |
a |
279.72 9 |
0.06 4 |
a |
281.0 2 |
|
a |
281.29 14 |
0.16 4 |
a |
281.29 14 |
0.16 4 |
a |
284.40 20 |
0.025 12 |
a |
285.50 9 |
0.048 10 |
a |
286.122 20 |
1.54 12 |
a |
289.5 3 |
|
a |
292.41 9 |
0.066 18 |
a |
296.51 5 |
0.46 6 |
a |
300.00 3 |
0.34 5 |
a |
300.00 3 |
2.32 17 |
a |
304.519 20 |
1.2 4 |
a |
308.40 9 |
0.014 4 |
a |
312.69 9 |
0.48 7 |
a |
314.78 9 |
0.44 6 |
a |
314.78 9 |
0.44 6 |
a |
318.46 19 |
0.0061 25 |
a |
319.20 14 |
0.032 4 |
a |
324.94 19 |
~0.0049 |
a |
326.11 10 |
~0.025 |
a |
329.851 20 |
2.7 3 |
a |
334.381 20 |
1.05 10 |
a |
339.8 10 |
|
a |
342.50 9 |
0.39 9 |
a |
346.45 10 |
0.010 4 |
a |
348.5 5 |
0.0061 25 |
a |
350.43 9 |
0.113 18 |
a |
352.61 9 |
0.012 4 |
a |
362.50 14 |
0.0047 10 |
a |
369.35 5 |
~0.006 |
a |
370.85 5 |
|
a |
374.79 20 |
0.0014 5 |
a |
376.3 1 |
|
a |
382.4 4 |
~0.006 |
a |
383.52 9 |
0.047 10 |
a |
392.4 5 |
0.0098 25 |
a |
399.0 4 |
~0.0025 |
a |
402.5 1 |
|
a |
415.13 17 |
0.0016 4 |
a |
432.33 9 |
0.0047 10 |
a |
448.0 6 |
0.00015 7 |
a |
452.7 6 |
~0.00010 |
a |
457.5 10 |
~0.00006 |
a |
466.5 10 |
0.000047 23 |
a |
480 1 |
0.00028 10 |
a |
482 1 |
0.00014 4 |
a |
493.1 2 |
0.00052 7 |
a |
507.4 3 |
0.00038 7 |
a |
516.4 3 |
0.00017 4 |
a |
524.3 4 |
0.00014 3 |
a |
535.0 12 |
0.00009 3 |
a |
537.0 3 |
0.00105 18 |
a |
552.4 5 |
0.00028 6 |
a |
556.5 5 |
0.00021 4 |
a |
569.0 3 |
0.00057 10 |
a |
575.7 7 |
0.00012 3 |
a |
578.5 7 |
0.00012 3 |
a |
589.0 6 |
0.000057 18 |
a |
596 1 |
0.000010 5 |
a |
607.5 4 |
0.00017 4 |
a |
621.4 5 |
0.000057 18 |
a |
623.8 5 |
0.00015 4 |
a |
632.3 7 |
0.00014 4 |
a |
641.0 5 |
0.000018 6 |
a |
644.2 5 |
0.000047 18 |
a |
648.5 5 |
0.000018 6 |
a |
663.1 5 |
0.000057 18 |
a |
692.0 7 |
0.000038 10 |
a |
704.3 5 |
0.000076 18 |
a |
707.2 7 |
0.000038 10 |
a |
718.5 10 |
0.000028 10 |
a |
722.1 6 |
0.00036 11 |
a |
723.6 6 |
0.00026 10 |
a |
734.4 5 |
0.00010 4 |
a |
735.5 5 |
0.00015 5 |
a |
738.4 10 |
0.000066 18 |
a |
746.4 7 |
0.00010 4 |
a |
748.5 5 |
0.00028 6 |
a |
754.0 6 |
0.00009 3 |
a |
756.9 2 |
0.00018 5 |
a |
756.9 2 |
~0.0007 |
a |
762.2 5 |
0.00025 5 |
a |
766.3 5 |
0.00028 6 |
a |
773.0 8 |
0.00012 5 |
a |
775.3 2 |
0.00141 18 |
a |
780.5 3 |
0.00031 6 |
a |
784.2 5 |
0.00009 3 |
a |
787.4 5 |
0.000095 18 |
a |
792.6 6 |
0.000066 10 |
a |
796.8 2 |
0.00076 10 |
a |
803.5 2 |
0.00092 10 |
a |
807.5 10 |
0.000047 23 |
a |
812.2 2 |
0.0026 3 |
a |
818 1 |
0.00012 3 |
a |
823.1 2 |
0.0024 3 |
a |
826 1 |
0.00018 6 |
a |
828.5 5 |
0.00018 5 |
a |
837.3 3 |
0.00038 4 |
a |
842.2 3 |
0.00057 6 |
a |
846.7 5 |
0.00014 3 |
a |
848.7 5 |
0.000057 18 |
a |
854.3 5 |
0.000066 14 |
a |
857.3 5 |
0.000057 18 |
a |
858.3 3 |
0.0022 4 |
a |
863 1 |
0.000018 10 |
a |
867.5 5 |
0.000066 14 |
a |
876.2 4 |
0.00015 5 |
a |
878.2 4 |
0.00011 4 |
a |
891 1 |
0.000018 6 |
a |
893 1 |
0.000012 4 |
a |
896.1 5 |
0.00010 3 |
a |
908.2 2 |
0.0020 3 |
a |
910 1 |
0.000015 6 |
a |
920.0 5 |
0.000011 3 |
a |
927 1 |
0.0000066 18 |
a |
938.0 8 |
0.000010 4 |
a |
941.6 3 |
0.000068 11 |
a |
958.7 3 |
0.000059 11 |
a |
970.0 4 |
0.000028 6 |
a |
971.7 10 |
0.000009 4 |
a |
990.0 7 |
0.000033 9 |
a |
995 1 |
0.000006 4 |
a |
999.8 5 |
0.000028 10 |
a |
1015.2 7 |
0.000015 4 |
a |
1020 1 |
0.000018 6 |
a |
1025 1 |
0.000015 5 |
a |
|
X-rays from 227Th (18.72 d 2)
|
E (keV) |
I (%) | Assignment |
|
10.622 |
1.0 3 |
Ra Ll |
12.196 |
1.9 5 |
Ra La2 |
12.339 |
17 4 |
Ra La1 |
13.662 |
0.38 10 |
Ra Lh |
14.236 |
0.29 7 |
Ra Lb6 |
14.749 |
1.09 22 |
Ra Lb4 |
14.825 |
4.3 11 |
Ra Lb2 |
15.236 |
15 4 |
Ra Lb1 |
15.375 |
0.79 19 |
Ra Lb5 |
15.447 |
1.10 22 |
Ra Lb3 |
17.848 |
3.5 9 |
Ra Lg1 |
18.177 |
0.41 9 |
Ra Lg2 |
18.353 |
0.43 9 |
Ra Lg3 |
18.412 |
0.74 20 |
Ra Lg6 |
84.683 |
0.0054 6 |
Ra Ka3 |
85.431 |
2.08 22 |
Ra Ka2 |
88.471 |
3.4 4 |
Ra Ka1 |
99.432 |
0.41 4 |
Ra Kb3 |
100.130 |
0.78 8 |
Ra Kb1 |
100.739 |
0.027 3 |
Ra Kb5 |
102.948 |
0.30 3 |
Ra Kb2 |
103.296 |
0.102 11 |
Ra Kb4 |
Alphas from 227Th (18.72 d 2)
|
Ea (keV) |
Ia (%) |
|
5033.5 40 |
0.00031 2 |
5056.1 40 |
0.00023 2 |
5083.5 40 |
0.000150 15 |
5110.5 40 |
0.00028 2 |
5128.7 30 |
0.00062 5 |
5146.5 20 |
0.00410 8 |
5171.0 30 |
0.00170 17 |
5180.6 40 |
0.00120 24 |
5193.7 25 |
0.00380 27 |
5210.2 20 |
0.0070 3 |
5229.2 20 |
0.0098 3 |
5248.3 20 |
0.00320 16 |
5264.3 20 |
0.0026 2 |
5321.8 40 |
0.00024 10 |
5335.9 50 |
0.0002 1 |
5365.0 25 |
0.00066 3 |
5408.7 30 |
0.00044 7 |
5458.6 20 |
0.00270 5 |
5480.4 22 |
0.0012 1 |
5509.9 20 |
0.0166 3 |
5531.7 18 |
0.021 2 |
5585.9 16 |
0.176 6 |
5600.6 18 |
0.170 17 |
5613.3 16 |
0.216 8 |
5622.0 17 |
0.0070 4 |
5640.2 15 |
0.0179 15 |
5668.0 15 |
2.06 12 |
5674.3 16 |
0.0572 35 |
5693.0 16 |
1.50 10 |
5700.8 16 |
3.63 20 |
5708.8 16 |
8.3 3 |
5713.2 16 |
4.89 20 |
5728.1 16 |
0.0342 25 |
5756.87 15 |
20.4 9 |
5762.3 15 |
0.228 10 |
5795.5 15 |
0.311 5 |
5807.5 15 |
1.27 2 |
5866.6 |
2.42 10 |
5909.9 15 |
0.174 8 |
5916.0 15 |
0.775 30 |
5959.7 15 |
3.00 15 |
5977.72 10 |
23.5 9 |
5989.4 20 |
0.002 3 |
6008.8 15 |
2.90 15 |
6038.01 15 |
24.2 9 |
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