151 Tm
69 82
Half life: 4.17 s 10
Jp: (11/2-)
Decay mode: e+b+
Sn (keV): 1.20E4 sy
Sp (keV): 143 sy
Literature cut-off date: 15-Jan-1997
Author(s): B. Singh
ENSDF citation: NDS 80, 263 (1997)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 7.4E3 sy

Gammas from 151Tm (4.17 s 10)

Eg (keV) Ig (%) Decay mode
136.9 4 0.156 19 e+b+
214.5 4 0.08 3 e+b+
219.9 4 0.049 5 e+b+
224.9 4 0.27 6 e+b+
241.3 6 0.11 3 e+b+
272.9 6 0.21 5 e+b+
332.7 6 0.37 8 e+b+
338.5 2 0.19 6 e+b+
353.5 6 0.29 7 e+b+
354.2 6 0.27 9 e+b+
380.0 3 0.51 5 e+b+
408.3 3 0.37 4 e+b+
417.1 3 0.37 4 e+b+
446.7 4 0.35 3 e+b+
478.6 6 0.70 14 e+b+
526.7 4 1.45 8 e+b+
580.6 3 1.76 19 e+b+
677.6 4 0.16 3 e+b+
692.8 7 0.43 4 e+b+
718.0 4 0.44 5 e+b+
765.8 4 0.49 3 e+b+
801.6 2 65 3 e+b+
818.6 10 0.38 6 e+b+
850.1 7 0.45 15 e+b+
865.5 7 0.32 3 e+b+
893.5 6 0.27 3 e+b+
919.3 4 0.29 6 e+b+
929.1 4 0.14 3 e+b+
935.1 7 0.26 5 e+b+
956.1 7 0.18 3 e+b+
962.4 7 0.27 6 e+b+
1071.3 10 0.21 4 e+b+
1092.7 4 0.41 7 e+b+
1097.4 6 0.51 16 e+b+
1123.2 4 0.86 5 e+b+
1140.2 2 10.1 5 e+b+
1199.0 10 0.21 10 e+b+
1326.2 5 1.07 10 e+b+
1363.6 3 3.24 16 e+b+
1368.0 4 0.61 6 e+b+
1372.9 4 0.79 8 e+b+
1411.4 7 0.37 6 e+b+
1455.5 5 0.55 9 e+b+
1483.0 7 0.55 14 e+b+
1488.5 4 1.0 3 e+b+
1495.8 4 4.7 5 e+b+
1511.5 3 1.8 5 e+b+
1525.9 4 1.2 3 e+b+
1535.6 3 1.5 3 e+b+
1548.5 3 8.6 8 e+b+
1549.6 9 0.99 10 e+b+
1586.5 6 0.39 19 e+b+
1635.5 8 0.5 3 e+b+
1683.5 4 1.20 12 e+b+
1685.7 6 0.54 11 e+b+
1761.7 7 0.52 5 e+b+
1764.2 4 1.58 10 e+b+
1777.1 10 0.65 19 e+b+
1809.8 3 2.7 4 e+b+
1890.8 3 2.07 15 e+b+
1953.7 7 0.27 4 e+b+
2071.7 7 0.6 3 e+b+
2073.3 6 0.7 3 e+b+
2115.1 3 11.0 6 e+b+
2120.1 4 1.49 9 e+b+
2140.2 7 0.27 8 e+b+
2199.6 7 0.52 5 e+b+
2229.7 4 2.9 5 e+b+
2236.0 4 1.6 3 e+b+
2244.8 7 0.42 10 e+b+
2313.6 10 1.17 19 e+b+
2329.6 10 1.01 16 e+b+
2411.9 10 0.29 9 e+b+
2449.5 6 1.16 12 e+b+
2451.1 6 0.45 5 e+b+
2469.7 9 0.21 3 e+b+
2539.2 25 0.57 12 e+b+
2921.7 25 0.66 16 e+b+
3037.5 25 1.04 19 e+b+
3110 3 0.53 4 e+b+

X-rays from 151Tm (4.17 s 10)

E (keV) I (%) Assignment
6,151 0.084 9 Er Ll
6,905 0.216 14 Er La2
6,949 1.94 13 Er La1
7,058 0.0273 22 Er Lh
7,745 0.119 18 Er Lb4
7,811 1.27 10 Er Lb1
7,909 0.0218 15 Er Lb6
7,939 0.19 3 Er Lb3
8,186 0.39 3 Er Lb2
9,088 0.226 19 Er Lg1
9,385 0.037 6 Er Lg2
9,431 0.055 9 Er Lg3
47,734 0.00288 12 Er Ka3
48,221 6.28 23 Er Ka2
49,128 11.1 4 Er Ka1
55,480 1.16 4 Er Kb3
55,674 2.25 8 Er Kb1
56,054 0.0427 22 Er Kb5
57,142 0.75 3 Er Kb2
57,313 0.224 11 Er Kb4

Betas from 151Tm (4.17 s 10)

>Eb endpoint (keV) Ib (%) Decay mode
2611,2 0.18 8 b+
3037 0.29 9 b+
3089,7 0.44 9 b+
3107,5 0.83 22 b+
3165,5 0.5 2 b+
3268 0.29 6 b+
3283,9 0.15 4 b+
3340,7 2.7 5 b+
3346,8 4.3 8 b+
3456,6 1.4 3 b+
3461,3 7.2 12 b+
3503,2 1.1 3 b+
3601,8 0.6 2 b+
3633,2 0.27 11 e
3766,7 1.8 3 b+
3926,9 0.31 4 b+
3928,6 1.2 2 b+
4048,4 0.70 15 b+
4059 0.28 9 e
4064,4 0.84 16 b+
4111,7 0.42 9 e
4129,5 0.77 21 e
4165,3 0.69 11 b+
4187,5 0.4 2 e
4203,6 0.59 8 b+
4212,9 1.7 2 b+
4290 0.24 5 e
4302,7 1.2 2 b+
4305,9 0.12 3 e
4362,7 2.1 5 e
4368,8 3.2 7 e
4478,6 0.97 23 e
4483,3 4.8 11 e
4525,2 0.71 21 e
4623,8 0.3 1 e
4657,1 0.7 2 b+
4694,4 0.13 b+
4788,7 0.93 23 e
4829,4 3.4 8 b+
4866,5 0.5 5 b+
4881,6 2.6 5 b+
4948,9 0.15 3 e
4950,6 0.54 12 e
5070,4 0.30 8 e
5086,4 0.36 9 e
5187,3 0.27 6 e
5225,6 0.22 5 e
5234,9 0.66 14 e
5237,8 2.8 7 b+
5324,7 0.42 10 e
5576,4 33 4 b+
5679,1 0.2 1 e
5716,4 0.035 e
5851,4 0.9 3 e
5888,5 0.1 1 e
5903,6 0.64 17 e
6259,8 0.58 17 e
6598,4 5.7 11 e