Z
Isotope
E 0 (keV)
τ 0
n.a. (%)
I g
I e
63
153
Eu
83.3671
1.14 ns
52.18
5/2
7/2
63
153
Eu
97.4297
285.6 ps
52.18
5/2
5/2
64
158
Gd
79.5104
3.64 ns
24.84
0
2
64
155
Gd
60.0087
278.4 ps
14.73
3/2
5/2
64
155
Gd
86.546
9.13 ns
14.73
3/2
5/2
64
156
Gd
88.9666
3.19 ns
20.47
0
2
64
157
Gd
54.533
269.7 ps
15.68
3/2
5/2
64
157
Gd
63.917
663.64 ns
15.68
3/2
5/2
64
160
Gd
75.26
3.88 ns
21.86
0
2
66
162
Dy
80.66
3.27 ns
25.5
0
2
66
164
Dy
73.392
3.45 ns
28.2
0
2
66
161
Dy
25.65135
41.98 ns
18.9
5/2
5/2
66
160
Dy
86.7882
2.91 ns
2.34
0
2
66
161
Dy
74.56668
4.53 ns
18.9
5/2
3/2
66
161
Dy
43.8211
1.20 ns
18.9
5/2
7/2
68
166
Er
80.574
2.63 ns
33.6
0
2
68
168
Er
79.804
2.71 ns
26.8
0
2
68
167
Er
79.3219
165.9 ps
22.95
7/2
9/2
68
170
Er
78.68
2.73 ns
14.9
0
2
68
164
Er
91.40
2.12 ns
1.61
0
2
69
169
Tm
8.4103
5.89 ns
100.0
1/2
3/2
70
170
Yb
84.2551
2.32 ns
3.05
0
2
70
171
Yb
66.721
1.17 ns
14.31
1/2
3/2
70
171
Yb
75.878
2.37 ns
14.3
1/2
5/2
70
172
Yb
78.7435
2.38 ns
21.9
0
2
70
174
Yb
76.471
2.58 ns
31.84
0
2
70
176
Yb
82.13
2.54 ns
12.7
0
2
72
180
Hf
93.326
2.16 ns
35.1
0
2
72
178
Hf
93.180
2.14 ns
27.3
0
2
72
176
Hf
88.351
2.06 ns
5.21
0
2
73
181
Ta
6.238
8.73 μs
99.99
7/2
9/2
74
183
W
46.4839
271.2 ps
14.3
1/2
3/2
74
183
W
99.0793
1.11 ns
14.3
1/2
5/2
76
187
Os
75.04
3.12 ns
1.6
1/2
5/2
76
189
Os
36.202
764.6 ps
16.1
3/2
1/2
76
189
Os
69.537
2.34 ns
16.10
3/2
5/2
76
189
Os
95.254
331.8 ps
16.10
3/2
3/2
76
187
Os
9.746
3.43 ns
1.6
1/2
3/2
77
193
Ir
73.041
8.79 ns
62.70
3/2
1/2
77
191
Ir
82.407
5.89 ns
37.3
3/2
1/2
78
195
Pt
98.85
245.2 ps
33.80
1/2
3/2
79
197
Au
77.351
2.76 ns
100.0
3/2
1/2
80
201
Hg
1.556
144.27 ns
13.2
3/2
1/2
(continued)
344
Appendix J: Nuclear Properties