Isotope lists, 49-72

For an overview of available graphical representations, see Table of nuclides.

The tables listed below provide information on the basic properties of all nuclides.

Click an element in the below periodic table to go directly to the table of nuclides for that element.

Isotopes of the chemical elements
1
H		 2
He
3
Li		 4
Be		 5
B		 6
C		 7
N		 8
O		 9
F		 10
Ne
11
Na		 12
Mg		 13
Al		 14
Si		 15
P		 16
S		 17
Cl		 18
Ar
19
K		 20
Ca		 21
Sc		 22
Ti		 23
V		 24
Cr		 25
Mn		 26
Fe		 27
Co		 28
Ni		 29
Cu		 30
Zn		 31
Ga		 32
Ge		 33
As		 34
Se		 35
Br		 36
Kr
37
Rb		 38
Sr		 39
Y		 40
Zr		 41
Nb		 42
Mo		 43
Tc		 44
Ru		 45
Rh		 46
Pd		 47
Ag		 48
Cd		 49
In		 50
Sn		 51
Sb		 52
Te		 53
I		 54
Xe
55
Cs		 56
Ba		 * 72
Hf		 73
Ta		 74
W		 75
Re		 76
Os		 77
Ir		 78
Pt		 79
Au		 80
Hg		 81
Tl		 82
Pb		 83
Bi		 84
Po		 85
At		 86
Rn
87
Fr		 88
Ra		 ** 104
Rf		 105
Db		 106
Sg		 107
Bh		 108
Hs		 109
Mt		 110
Ds		 111
Rg		 112
Cn		 113
Uut		 114
Fl		 115
Uup		 116
Lv		 117
Uus		 118
Uuo
* 57
La		 58
Ce		 59
Pr		 60
Nd		 61
Pm		 62
Sm		 63
Eu		 64
Gd		 65
Tb		 66
Dy		 67
Ho		 68
Er		 69
Tm		 70
Yb		 71
Lu
** 89
Ac		 90
Th		 91
Pa		 92
U		 93
Np		 94
Pu		 95
Am		 96
Cm		 97
Bk		 98
Cf		 99
Es		 100
Fm		 101
Md		 102
No		 103
Lr
  • Table of nuclides
  • Categories: Isotopes
  • Tables of nuclides
  • Metastable isotopes
  • Isotopes by element


Legend

α Alpha decay
β- Beta decay
β+ Positron emission
K+ Electron capture
IT Internal conversion
SF Spontaneous fission
p Proton emission
n Neutron emission

Indium

Main article: Isotopes of indium

Isotope Half-life Spin Parity Mode(s) or Abundance
100In 7.0 s %K+%β+=100, %Kp>3.9
101In 15.1 s %K+%β+ ~ 100, %Kp=?
102In 22 s (6+ ) %K+%β+=100, %Kp=0.0093
103In 65 s (9/2) + %K+%β+=100
103m1In 34 s (1/2-) %K+%β+=67, %IT=33
104In 1.80 m (6+ ) %K+%β+=100
104m1In 15.7 s (3+ ) %IT=80, %K+%β+=20
105In 5.07 m (9/2) + %K+%β+=100
105m1In 48 s (1/2) - %IT=100
106In 6.2 m 7+ %K+%β+=100
106m1In 5.2 m (3+ ) %K+%β+=100
107In 32.4 m 9/2+ %K+%β+=100
107m1In 50.4 s 1/2- %IT=100
108In 58.0 m 7+ %K+%β+=100
108m1In 39.6 m 2+ %K+%β+=100
109In 4.2 h 9/2+ %K+%β+=100
109m1In 1.34 m 1/2- %IT=100
109m2In 0.209 s (19/2+ ) %IT=100
110In 4.9 h 7+ %K+%β+=100
110m1In 69.1 m 2+ %K+%β+=100
111In 2.8047 d 9/2+ %K=100
111m1In 7.7 m 1/2- %IT=100
112In 14.97 m 1+ %β-=44, %K+%β+=56
112m1In 20.56 m 4+ %IT=100
113In stable 9/2+ %Abundance=4.3
113m1In 1.6582 h 1/2- %IT=100
114In 71.9 s 1+ %β-=99.50, %K+%β+=0.50
114m1In 49.51 d 5+ %IT=96.75, %K+%β+=3.25
114m2In 43.1 ms 8- %IT=100
115In 4.41e+14 a 9/2+ %Abundance=95.7, %β-=100
115m1In 4.486 h 1/2- %IT=95.0, %β-=5.0
116In 14.10 s 1+ %β- > 99.94, %K < 0.06
116m1In 54.29 m 5+ %β-=100
116m2In 2.18 s 8- %IT=100
117In 43.2 m 9/2+ %β-=100
117m1In 116.2 m 1/2- %β-=52.9, %IT=47.1
118In 5.0 s 1+ %β-=100
118m1In 4.45 m 5+ %β-=100
118m2In 8.5 s 8- %β-=1.4, %IT=98.6
119In 2.4 m 9/2+ %β-=100
119m1In 18.0 m 1/2- %β-=94.4, %IT=5.6
120In 3.08 s 1+ %β-=100
120m1In 46.2 s (3,4,5) + %β-=100
120m2In 47.3 s (8-) %β-=100
121In 23.1 s 9/2+ %β-=100
121m1In 3.88 m 1/2- %β-=98.8, %IT=1.2
122In 1.5 s 1+ %β-=100
122m1In 10.3 s 5+ %β-=100
122m2In 10.8 s 8- %β-=100
123In 5.98 s 9/2+ %β-=100
123m1In 47.8 s 1/2- %β-=100
124In 3.11 s 3+ %β-=100
124m1In 3.7 s (8-) %β-=100
125In 2.36 s 9/2(+) %β-=100
125m1In 12.2 s 1/2(-) %β-=100
126In 1.60 s 3(+) %β-=100
126m1In 1.64 s 7-, 8-, 9- %β-=100
127In 1.09 s (9/2+ ) %β-=100, %β-n < 0.03
127m1In 3.67 s (1/2-) %β-=100, %β-n=0.69
128In 0.84 s (3+ ) %β-=100, %β-n < 0.04
128m1In 0.72 s (8-) %β-=100, %β-n < 0.04
129In 0.61 s (9/2+ ) %β-=100, %β-n=0.25
129m1In 1.23 s (1/2-) %β- > 99.7, %β-n=2.5, %IT < 0.3
130In 0.32 s 1(-) %β-=100, %β-n=0.90
130m1In 0.55 s (10- ) %β-=100, %β-n < 1.67
130m2In 0.55 s (5+ ) %β-=100, %β-n < 1.67
131In 0.282 s (9/2+ ) %β-=100, %β-n < 2.2
131m1In 0.35 s (1/2-) %β-=100, %β-n < 2.2, %IT < 0.04
131m2In 0.32 s (21/2+ ) %β-=100, %β-n < 2.2
132In 0.201 s (7-) %β-=100, %β-n=6.2
133In 180 ms (9/2+ ) %β-=100, %β-n=85
134In 138 ms %β-=100, %β-n=65

Tin

Main article: Isotopes of tin

Isotope Half-life Spin Parity Mode(s) or Abundance
100Sn 0.94 s 0+ %K+%β+=100, %Kp < 17
101Sn 3 s %K+%β+=100, %Kp=?
102Sn 4.5 s 0+ %K+%β+=100
103Sn 7 s %K+%β+=100
104Sn 20.8 s 0+ %K+%β+=100
105Sn 31 s %K+%β+=100, %β+P=?
106Sn 115 s 0+ %K+%β+=100
107Sn 2.90 m (5/2+ ) %K+%β+=100
108Sn 10.30 m 0+ %K+%β+=100
109Sn 18.0 m 5/2(+) %K+%β+=100
110Sn 4.11 h 0+ %K=100
111Sn 35.3 m 7/2+ %K+%β+=100
112Sn stable 0+ %Abundance=0.97
113Sn 115.09 d 1/2+ %K+%β+=100
113m1Sn 21.4 m 7/2+ %IT=91.1, %K+%β+=8.9
114Sn stable 0+ %Abundance=0.65
115Sn stable 1/2+ %Abundance=0.34
116Sn stable 0+ %Abundance=14.53
117Sn stable 1/2+ %Abundance=7.68
117m1Sn 13.60 d 11/2- %IT=100
118Sn stable 0+ %Abundance=24.23
119Sn stable 1/2+ %Abundance=8.59
119m1Sn 293.1 d 11/2- %IT=100
120Sn stable 0+ %Abundance=32.59
121Sn 27.06 h 3/2+ %β-=100
121m1Sn 55 a 11/2- %IT=77.6, %β-=22.4
122Sn stable 0+ %Abundance=4.63
123Sn 129.2 d 11/2- %β-=100
123m1Sn 40.06 m 3/2+ %β-=100
124Sn stable 0+ %Abundance=5.79
125Sn 9.64 d 11/2- %β-=100
125m1Sn 9.52 m 3/2+ %β-=100
126Sn 1e+5 a 0+ %β-=100
127Sn 2.10 h (11/2-) %β-=100
127m1Sn 4.13 m (3/2+ ) %β-=100
128Sn 59.07 m 0+ %β-=100
128m1Sn 6.5 s (7-) %IT=100
129Sn 2.23 m (3/2+ ) %β-=100
129m1Sn 6.9 m (11/2-) %β-=100, %IT ~ 2E-4
130Sn 3.72 m 0+ %β-=100
130m1Sn 1.7 m (7-) %β-=100
131Sn 56.0 s (3/2+ ) %β-=100
131m1Sn 58.4 s (11/2-) %β-=100, %IT < 0.009
132Sn 39.7 s 0+ %β-=100
133Sn 1.45 s (7/2-) %β-=100, %β-n=0.08
134Sn 1.12 s 0+ %β-=100, %β-n=17

Antimony

Main article: Isotopes of antimony

Isotope Half-life Spin Parity Mode(s) or Abundance
108Sb 7.4 s (4+ ) %K+%β+=100, %Kp=?
109Sb 17.0 s (5/2+ ) %K+%β+=100
110Sb 23.0 s 3+ %K+%β+=100
111Sb 75 s (5/2+ ) %K+%β+=100
112Sb 51.4 s 3+ %K+%β+=100
113Sb 6.67 m 5/2+ %K+%β+=100
114Sb 3.49 m 3+ %K+%β+=100
115Sb 32.1 m 5/2+ %K+%β+=100
116Sb 15.8 m 3+ %K+%β+=100
116m1Sb 60.3 m 8- %K+%β+=100
117Sb 2.80 h 5/2+ %K+%β+=100
118Sb 3.6 m 1+ %K+%β+=100
118m1Sb 5.00 h 8- %K+%β+=100
119Sb 38.19 h 5/2+ %K=100
119m1Sb 0.85 s (25/2+ ) %IT=100
120Sb 15.89 m 1+ %K+%β+=100
120m1Sb 5.76 d 8- %K+%β+=100
121Sb stable 5/2+ %Abundance=57.36
122Sb 2.7238 d 2- %β-=97.59, %K+%β+=2.41
122m1Sb 4.191 m (8) - %IT=100
123Sb stable 7/2+ %Abundance=42.64
124Sb 60.20 d 3- %β-=100
124m1Sb 93 s 5+ %IT=75, %β-=25
124m2Sb 20.2 m (8) - %IT=100
125Sb 2.7582 a 7/2+ %β-=100
126Sb 12.46 d (8) - %β-=100
126m1Sb 19.15 m (5) + %β-=86, %IT=14
126m2Sb 11 s (3) - %IT=100
127Sb 3.85 d 7/2+ %β-=100
128Sb 9.01 h 8- %β-=100
128m1Sb 10.4 m 5+ %β-=96.4, %IT=3.6
129Sb 4.40 h 7/2+ %β-=100
129m1Sb 17.7 m (19/2-) %β-=85, %IT=15
130Sb 39.5 m (8-) %β-=100
130m1Sb 6.3 m (5) + %β-=100
131Sb 23.03 m (7/2+ ) %β-=100
132Sb 2.79 m (4+ ) %β-=100
132m1Sb 4.10 m (8-) %β-=100
133Sb 2.5 m (7/2+ ) %β-=100
134Sb 0.78 s (0- ) %β-=100
134m1Sb 10.23 s (7-) %β-=100, %β-n=0.091
135Sb 1.71 s (7/2+ ) %β-=100, %β-n=16.4
136Sb 0.82 s %β-=100, %β-n=24.0, %β-2n=?

Tellurium

Main article: Isotopes of tellurium

Isotope Half-life Spin Parity Mode(s) or Abundance
106Te 60 μs 0+ %α=100
107Te 3.1 ms %α > 70, %K+%β+ < 30
108Te 2.1 s 0+ %K+%β+=51, %α=49, %β+P=2.4
109Te 4.6 s %K+%β+=96.1, %α=3.9, %Kp=?
110Te 18.6 s 0+ %K+%β+ ~ 100, %α ~ 0.003
111Te 19.3 s (5/2+ ) %K+%β+=100, %Kp=?
112Te 2.0 m 0+ %K+%β+=100
113Te 1.7 m (7/2+ ) %K+%β+=100
114Te 15.2 m 0+ %K+%β+=100
115Te 5.8 m 7/2+ %K+%β+=100
115m1Te 6.7 m (1/2) + %K+%β+ < 100, %IT=?
116Te 2.49 h 0+ %K+%β+=100
117Te 62 m 1/2+ %K+%β+=100
117m1Te 103 ms 11/2- %IT=100
118Te 6.00 d 0+ %K=100
119Te 16.03 h 1/2+ %K+%β+=100
119m1Te 4.70 d 11/2- %K+%β+=100, %IT < 0.008
120Te stable 0+ %Abundance=0.096
121Te 16.78 d 1/2+ %K+%β+=100
121m1Te 154 d 11/2- %IT=88.6, %K+%β+=11.4
122Te stable 0+ %Abundance=2.603
123Te 1e+13 a 1/2+ %Abundance=0.908, %K=100
123m1Te 119.7 d 11/2- %IT=100
124Te stable 0+ %Abundance=4.816
125Te stable 1/2+ %Abundance=7.139
125m1Te 57.40 d 11/2- %IT=100
126Te stable 0+ %Abundance=18.95
127Te 9.35 h 3/2+ %β-=100
127m1Te 109 d 11/2- %IT=97.6, %β-=2.4
128Te 2.2e24 a 0+ %Abundance=31.69, %ββ=100
129Te 69.6 m 3/2+ %β-=100
129m1Te 33.6 d 11/2- %IT=63, %β-=37
130Te 7.9e20 a 0+ %Abundance=33.80, %β- β -=100
131Te 25.0 m 3/2+ %β-=100
131m1Te 30 h 11/2- %β-=77.8, %IT=22.2
132Te 3.204 d 0+ %β-=100
133Te 12.5 m (3/2+ ) %β-=100
133m1Te 55.4 m (11/2-) %IT=17.5, %β-=82.5
134Te 41.8 m 0+ %β-=100
135Te 19.0 s (7/2-) %β-=100
136Te 17.5 s 0+ %β-=100, %β-n=1.1
137Te 2.49 s (7/2-) %β-=100, %β-n=2.69
138Te 1.4 s 0+ %β-=100, %β-n=6.3

Iodine

Main article: Isotopes of iodine

Isotope Half-life Spin Parity Mode(s) or Abundance
108I 36 ms (1) %α=91, %p < 1
109I 100 μs %p ~ 100
110I 0.65 s %K+%β+=83, %α=17, %Kp=11, %Kα=1.1
111I 2.5 s (5/2+ ) %K+%β+=99.9, %α ~ 0.1
112I 3.42 s %K+%β+=100, %α ~ 0.0012
113I 6.6 s (5/2+ ) %K+%β+=100, %Kα=?, %α =3.310E-7
114I 2.1 s 1+ %K+%β+= 100, %Kp=?
114m1I 6.2 s (7) %K+%β+=?, %IT=?
115I 1.3 m (5/2+ ) %K+%β+=100
116I 2.91 s 1+ %K+%β+=100
116m1I 3.27 μs (7-)
117I 2.22 m (5/2) + %K+%β+=100
118I 13.7 m 2- %K+%β+=100
118m1I 8.5 m (7-) %K+%β+<100, %IT>0
119I 19.1 m 5/2+ %K+%β+=100
120I 81.0 m 2- %K+%β+=100
120m1I 53 m 4 to 8 %K+%β+=100
121I 2.12 h 5/2+ %K+%β+=100
122I 3.63 m 1+ %K+%β+=100
122m1I 80 μs
123I 13.27 h 5/2+ %K+%β+=100
124I 4.1760 d 2- %K+%β+=100
125I 59.408 d 5/2+ %K=100
126I 13.11 d 2- %K+%β+=56.3, %β-=43.7
127I stable 5/2+ %Abundance=100
128I 24.99 m 1+ %β-=93.1, %K+%β+=6.9
129I 1.57e7 a 7/2+ %β-=100
130I 12.36 h 5+ %β-=100
130m1I 9.0 m 2+ %IT=84, %β-=16
131I 8.02070 d 7/2+ %β-=100
132I 2.295 h 4+ %β-=100
132m1I 1.387 h (8-) %IT=86, %β-=14
133I 20.8 h 7/2+ %β-=100
133m1I 9 s (19/2-) %IT=100
134I 52.5 m (4) + %β-=100
134m1I 3.60 m (8) - %IT=97.7, %β-=2.3
135I 6.57 h 7/2+ %β-=100
136I 83.4 s (1-) %β-=100
136m1I 46.9 s (6-) %β-=100
137I 24.5 s (7/2+ ) %β-=100, %β-n=6.97
138I 6.49 s (2-) %β-=100, %β-n=5.5
139I 2.29 s (7/2+ ) %β-=100, %β-n=9.9
140I 0.86 s (4) %β-=100, %β-n=9.3
141I 0.43 s %β-=100, %β-n=21.2

Xenon

Main article: Isotopes of xenon

Isotope Half-life Spin Parity Mode(s) or Abundance
110Xe 0.60 μs 0+ %K+β+=?, %α=?
111Xe 0.74 s %K+%β+=?, %α=?
112Xe 2.7 s 0+ %K+%β+=99.2, %α=0.8 +11- 5
113Xe 2.74 s %K+%β+ ~ 100, %α ~ 0.011, %Kp=7, %Kα ~ 0.007
114Xe 10.0 s 0+ %K+%β+=100
115Xe 18 s (5/2+ ) %K+%β+=100, %Kp=0.34, %Kα=0.0003
116Xe 59 s 0+ %K+%β+=100
117Xe 61 s 5/2(+) %K+%β+=100, %Kp=0.0029
118Xe 3.8 m 0+ %K+%β+=100
119Xe 5.8 m (5/2+ ) %K+%β+=100
120Xe 40 m 0+ %K+%β+=100
121Xe 40.1 m 5/2(+) %K+%β+=100
122Xe 20.1 h 0+ %K=100
123Xe 2.08 h (1/2) + %K+%β+=100
124Xe 1.6e+14 a 0+ %Abundance=0.10, %KEC=100
125Xe 16.9 h (1/2) + %K+%β+=100
125m1Xe 57 s (9/2) - %IT=100
126Xe stable 0+ %Abundance=0.09
127Xe 36.4 d 1/2+ %K=100
127m1Xe 69.2 s 9/2- %IT=100
128Xe stable 0+ %Abundance=1.91
129Xe stable 1/2+ %Abundance=26.4
129m1Xe 8.88 d 11/2- %IT=100
130Xe stable 0+ %Abundance=4.1
131Xe stable 3/2+ %Abundance=21.2
131m1Xe 11.84 d 11/2- %IT=100
132Xe stable 0+ %Abundance=26.9
132m1Xe 8.39 ms (10+) %IT=100
133Xe 5.243 d 3/2+ %β-=100
133m1Xe 2.19 d 11/2- %IT=100
134Xe stable 0+ %Abundance=10.4
134m1Xe 290 ms 7- %IT=100
135Xe 9.14 h 3/2+ %β-=100
135m1Xe 15.29 m 11/2- %IT=99.996, %β-=0.004
136Xe 2.36e21 a 0+ %Abundance=8.9
137Xe 3.818 m 7/2- %β-=100
138Xe 14.08 m 0+ %β-=100
139Xe 39.68 s 3/2- %β-=100
140Xe 13.60 s 0+ %β-=100
141Xe 1.73 s 5/2(-) %β-=100, %β-n=0.044
142Xe 1.22 s 0+ %β-=100, %β-n=0.406
143Xe 0.30 s 5/2- %β-=100
144Xe 1.15 s 0+ %β-=100
145Xe 0.9 s %β-=100, %β-n=?
146Xe 0+ %β-=100

Caesium

Main article: Isotopes of caesium

Isotope Half-life Spin Parity Mode(s) or Abundance
113Cs 17 μs (5/2+ ) %p ~ 100, %K+%β+ ~ 0.03
114Cs 0.57 s (1+ ) %K+%β+ ~ 100, %α=0.018, %Kp=7, %Kα=0.16
115Cs 1.4 s %K+%β+=100, %Kp ~ 0.07
116Cs 3.84 s >4+ %K+%β+=100, %Kp=0.44, %Kα=0.08
116m1Cs 0.70 s (1+ ) %K+%β+=100, %Kp=0.28, %Kα=0.049
117Cs 8.4 s (9/2+ ) %K+%β+=100
117m1Cs 6.5 s (3/2+ ) %K+%β+=100
118Cs 14 s 2 %K+%β+=100, %Kp<4.2E-2, %Kα<2.4E-3
118m1Cs 17 s (7-) %K+%β+=100, %Kp<4.2E-2, %Kα<2.4E-3
119Cs 43.0 s 9/2+ %K+%β+=100
119m1Cs 30.4 s 3/2(+) %K+%β+=100
120Cs 64 s 2 %K+%β+=100
120m1Cs 57 s %K+%β+=100, %Kp=7E-6, %Kα=2.0E-5
121Cs 155 s 3/2(+) %K+%β+=100
121m1Cs 122 s 9/2(+) %K+%β+=83, %IT=17
122Cs 21.0 s 1+ %K+%β+=100
122m1Cs 3.70 m 8- %K+%β+=100
122m2Cs 0.36 s (5) - %IT=100
123Cs 5.94 m 1/2+ %K+%β+=100
123m1Cs 1.64 s (11/2) - %IT=100
124Cs 30.8 s 1+ %K+%β+=100
124m1Cs 6.3 s (7) + %IT=100
125Cs 45 m (1/2+ ) %K+%β+=100
126Cs 1.64 m 1+ %K+%β+=100
127Cs 6.25 h 1/2+ %K+%β+=100
128Cs 3.66 m 1+ %K+%β+=100
129Cs 32.06 h 1/2+ %K+%β+=100
130Cs 29.21 m 1+ %K+%β+=98.4, %β-=1.6
130m1Cs 3.46 m 5- %IT=99.84, %K+%β+=0.16
131Cs 9.689 d 5/2+ %K=100
132Cs 6.479 d 2+ %K+%β+=98.13, %β-=1.87
133Cs stable 7/2+ %Abundance=100
134Cs 2.0648 a 4+ %β-=99.9997, %K=0.0003
134m1Cs 2.903 h 8- %IT=100
135Cs 2.3e+6 a 7/2+ %β-=100
135m1Cs 53 m 19/2- %IT=100
136Cs 13.16 d 5+ %β-=100
136m1Cs 19 s 8- %IT=?, %β-=?
137Cs 30.07 a 7/2+ %β-=100
138Cs 33.41 m 3- %β-=100
138m1Cs 2.91 m 6- %β-=19, %IT=81
139Cs 9.27 m 7/2+ %β-=100
140Cs 63.7 s 1- %β-=100
141Cs 24.94 s 7/2+ %β-=100, %β-n=0.029
142Cs 1.70 s 0- %β-=100, %β-n=0.091
143Cs 1.78 s 3/2+ %β-=100, %β-n=1.62
144Cs 1.01 s 1 %β-=100, %β-n=3.17
144m1Cs 1 s (GE 4) %β-=?
145Cs 0.594 s 3/2+ %β-=100, %β-n=13.8
146Cs 0.321 s 1- %β-=100, %β-n=14.2
147Cs 0.225 s (3/2+ ) %β-=100, %β-n=43
148Cs 158 ms %β-=100, %β-n=25

Barium

Main article: Isotopes of barium

Isotope Half-life Spin Parity Mode(s) or Abundance
114Ba 0.43 s 0+ %K+%β+ ~ 100, %α=?, %12C ~ 3E-5
115Ba 0.4 s %K+%β+=100
116Ba 0.3 s 0+ %K+%β+=100
117Ba 1.75 s (3/2) %K+%β+=100, %Kp=?, %Kα=?
118Ba 5.5 s 0+ %K+%β+=100
119Ba 5.4 s (5/2+ ) %K+%β+=100, %Kp < 25
120Ba 32 s 0+ %K+%β+=100
121Ba 29.7 s 5/2(+) %K+%β+=100, %Kp=0.02
122Ba 1.95 m 0+ %K+%β+=100
123Ba 2.7 m 5/2+ %K+%β+=100
124Ba 11.0 m 0+ %K+%β+=100
125Ba 3.5 m 1/2(+) %K+%β+=100
126Ba 100 m 0+ %K+%β+ =100
127Ba 12.7 m 1/2+ %K+%β+=100
127m1Ba 1.9 s 7/2- %IT=100
128Ba 2.43 d 0+ %K=100
129Ba 2.23 h 1/2+ %K+%β+=100
129m1Ba 2.16 h 7/2+ %K+%β+ < 100, %IT=?
130Ba stable 0+ %Abundance=0.106
130m1Ba 11 ms 8- %IT=100
131Ba 11.50 d 1/2+ %K+%β+=100
131m1Ba 14.6 m 9/2- %IT=100
132Ba stable 0+ %Abundance=0.101
133Ba 10.51 a 1/2+ %K=100
133m1Ba 38.9 h 11/2- %K=0.0096, %IT=99.9904
134Ba stable 0+ %Abundance=2.417
134m1Ba 2.63 μs (10+)
135Ba stable 3/2+ %Abundance=6.592
135m1Ba 28.7 h 11/2- %IT=100
136Ba stable 0+ %Abundance=7.854
136m1Ba 0.3084 s 7- %IT=100
137Ba stable 3/2+ %Abundance=11.23
137m1Ba 2.552 m 11/2- %IT=100
138Ba stable 0+ %Abundance=71.70
139Ba 83.06 m 7/2- %β-=100
140Ba 12.752 d 0+ %β-=100
141Ba 18.27 m 3/2- %β-=100
142Ba 10.6 m 0+ %β-=100
143Ba 14.33 s 5/2- %β-=100
144Ba 11.5 s 0+ %β-=100, %β-n=3.6
145Ba 4.31 s 5/2- %β-=100
146Ba 2.22 s 0+ %β-=100
147Ba 0.893 s (3/2+ ) %β-=100, %β-n=0.06
148Ba 0.607 s 0+ %β-=100, %β-n=0.4
149Ba 0.344 s %β-=100, %β-n=0.43
150Ba 0.3 s 0+ %β-=100, %β-n=?

Lanthanum

Main article: Isotopes of lanthanum

Isotope Half-life Spin Parity Mode(s) or Abundance
120La 2.8 s %K+%β+=100
121La 5.3 s %K+%β+=100, %Kp=?
122La 8.7 s %K+%β+=100, %Kp=?
123La 17 s %K+%β+=100
124La 29 s %K+%β+=100
124m1La 1 s %K+%β+=100
125La 76 s (11/2-) %K+%β+=100
126La 54 s %K+%β+=100
127La 5.1 m (11/2-) %K+%β+=100
127m1La 3.7 m (3/2+ ) %K+%β+=100, %IT=?
128La 5.0 m (5+ ) %K+%β+=100
128m1La 560 ms (1+, 2+ ) %K+%β+=100
129La 11.6 m 3/2+ %K+%β+=100
129m1La 0.56 s 11/2- %IT=100
130La 8.7 m 3(+) %K+%β+=100
131La 59 m 3/2+ %K+%β+=100
132La 4.8 h 2- %K+%β+=100
132m1La 24.3 m 6- %IT=76, %K+%β+=24
133La 3.912 h 5/2+ %K+%β+=100
134La 6.45 m 1+ %K+%β+=100
135La 19.5 h 5/2+ %K+%β+=100
136La 9.87 m 1+ %K+%β+=100
136m1La 114 ms %IT=100
137La 6e4 a 7/2+ %K=100
138La 1.05e+11 a 5+ %Abundance=0.0902, %β-=33.6, %K+%β+=66.4
139La stable 7/2+ %Abundance=99.9098
140La 1.6781 d 3- %β-=100
141La 3.92 h (7/2+ ) %β-=100
142La 91.1 m 2- %β-=100
143La 14.2 m (7/2) + %β-=100
144La 40.8 s (3-) %β-=100
145La 24.8 s (5/2+ ) %β-=100
146La 6.27 s 2- %β-=100
146m1La 10.0 s (6-) %β-=100
147La 4.015 s (5/2+ ) %β-=100, %β-n=0.035
148La 1.05 s (2-) %β-=100, %β-n=0.11
149La 1.05 s %β-=100, %β-n=1.43
150La 0.86 s %β-=100, %β-n=2.7

Cerium

Main article: Isotopes of cerium

Isotope Half-life Spin Parity Mode(s) or Abundance
123Ce 3.2 s (5/2) %K+%β+=100, %Kp=?
124Ce 6 s 0+ %K+%β+=100
125Ce 9.0 s (5/2+ ) %K+%β+=100, %Kp=?
126Ce 50 s 0+ %K+%β+=100
127Ce 31 s (5/2+ ) %K+%β+=100
128Ce 4.1 s 0+ %K+%β+=100
129Ce 3.5 m 5/2+ %K+%β+=100
130Ce 25 m 0+ %K+%β+=100
131Ce 10.2 m (7/2+ ) %K+%β+=100
131m1Ce 5.0 m (1/2+ ) %K+%β+=100
132Ce 3.51 h 0+ %K+%β+=100
132m1Ce 13 ms (8-, 9-) %IT=100
133Ce 97 m 1/2+ %K+%β+=100
133m1Ce 4.9 h 9/2- %K+%β+=100
134Ce 3.16 d 0+ %K=100
135Ce 17.7 h 1/2(+) %K+%β+=100
135m1Ce 20 s 11/2(-) %IT=100
136Ce stable 0+ %Abundance=0.19
137Ce 9.0 h 3/2+ %K+%β+=100
137m1Ce 34.4 h 11/2- %IT=99.22, %K+%β+=0.78
138Ce stable 0+ %Abundance=0.25
138m1Ce 8.65 ms 7- %IT=100
139Ce 137.640 d 3/2+ %K=100
139m1Ce 54.8 s 11/2- %IT=100
140Ce stable 0+ %Abundance=88.48
141Ce 32.501 d 7/2- %β-=100
142Ce 5e+16 a 0+ %Abundance=11.08
143Ce 33.039 h 3/2- %β-=100
144Ce 284.893 d 0+ %β-=100
145Ce 3.01 m (3/2) - %β-=100
146Ce 13.52 m 0+ %β-=100
147Ce 56.4 s (5/2-) %β-=100
148Ce 56 s 0+ %β-=100
149Ce 5.3 s (3/2-) %β-=100
150Ce 4.0 s 0+ %β-=100
151Ce 1.02 s %β-=100
152Ce 1.4 s 0+ %β-=100

Praseodymium

Main article: Isotopes of praseodymium

Isotope Half-life Spin Parity Mode(s) or Abundance
124Pr 1.2 s %K+%β+=100, %Kp=?
125Pr 3.3 s %K+%β+=100
126Pr 3.14 s (3,4,5) %K+%β+=100, %Kp=?
127Pr 4.2 s (11/2-) %K+%β+=100
128Pr 3.1 s 4,5,6 %K+%β+=100, %Kp=?
129Pr 30 s (3/2+ ) %K+%β+=100
130Pr 40.0 s %K+%β+=100
131Pr 1.53 m (3/2+ ) %K+%β+=100
131m1Pr 5.7 s (11/2-) %IT=95, %K+%β+=5
132Pr 1.6 m %K+%β+=100
133Pr 6.5 m (3/2+ ) %K+%β+=100
134Pr 17 m 2- %K+%β+=100
134m1Pr 11 m (5-) %K+%β+=100
135Pr 24 m 3/2(+) %K+%β+=100
136Pr 13.1 m 2+ %K+%β+=100
137Pr 1.28 h 5/2+ %K+%β+=100
138Pr 1.45 m 1+ %K+%β+=100
138m1Pr 2.12 h 7- %K+%β+=100
139Pr 4.41 h 5/2+ %K+%β+=100
140Pr 3.39 m 1+ %K+β+=100
141Pr stable 5/2+ %Abundance=100
142Pr 19.12 h 2- %β-=99.9836, %K=0.0164
142m1Pr 14.6 m 5- %IT=100
143Pr 13.57 d 7/2+ %β-=100
144Pr 17.28 m 0- %β-=100
144m1Pr 7.2 m 3- %IT=99.93, %β-=0.07
145Pr 5.984 h 7/2+ %β-=100
146Pr 24.15 m (2) - %β-=100
147Pr 13.4 m (3/2+ ) %β-=100
148Pr 2.27 m 1- %β-=100
148m1Pr 2.0 m (4) %β-=100
149Pr 2.26 m (5/2+ ) %β-=100
150Pr 6.19 s (1) - %β-=100
151Pr 18.90 s (3/2-) %β-=100
152Pr 3.63 s (4-) %β-=100
153Pr 4.28 s %β-=100
154Pr 2.3 s (3+, 2+ ) %β-=100

Neodymium

Main article: Isotopes of neodymium

Isotope Half-life Spin Parity Mode(s) or Abundance
127Nd 1.8 s %K+%β+=100, %Kp=?
128Nd 4 s 0+ %K+%β+=100, %Kp=?
129Nd 7 s (5/2+ ) %K+%β+=100, %Kp=?
130Nd 28 s 0+ %K+%β+=100
131Nd 27 s (5/2) %K+%β+=100, %Kp=?
132Nd 1.75 m 0+ %β+=100
133Nd 70 s (7/2+ ) %K+%β+=100
133m1Nd 70 s (1/2) + %K+%β+=?, %IT=?
134Nd 8.5 m 0+ %K+%β+=100
134m1Nd 410 μs (8) -
135Nd 12.4 m 9/2(-) %K+%β+=100
135m1Nd 5.5 m (1/2+ ) %K+%β+=100
136Nd 50.65 m 0+ %K+%β+=100
137Nd 38.5 m 1/2+ %K+%β+=100
137m1Nd 1.60 s 11/2- %IT=100
138Nd 5.04 h 0+ %K=100
139Nd 29.7 m 3/2+ %K+%β+=100
139m1Nd 5.50 h 11/2- %K+%β+=88.2, %IT=11.8
140Nd 3.37 d 0+ %K=100
141Nd 2.49 h 3/2+ %K+%β+=100
141m1Nd 62.0 s 11/2- %IT > 99.95, %K+%β+ < 0.05
142Nd stable 0+ %Abundance=27.13
143Nd stable 7/2- %Abundance=12.18
144Nd 2.29e+15 a 0+ %Abundance=23.80, %α=100
145Nd stable 7/2- %Abundance=8.30
146Nd stable 0+ %Abundance=17.19
147Nd 10.98 d 5/2- %β-=100
148Nd stable 0+ %Abundance=5.76
149Nd 1.728 h 5/2- %β-=100
150Nd 1.1e19 a 0+ %Abundance=5.64, %β- β-=?
151Nd 12.44 m 3/2+ %β-=100
152Nd 11.4 m 0+ %β-=100
153Nd 31.6 s (3/2) - %β-=100
154Nd 25.9 s 0+ %β-=100
155Nd 8.9 s %β-=100
156Nd 5.47 s 0+ %β-=100

Promethium

Main article: Isotopes of promethium

Isotope Half-life Spin Parity Mode(s) or Abundance
132Pm 6.3 s (3+ ) %K+%β+=100, %Kp ~ 5E-5
133Pm 3/2+ %K+%β+=100
133m1Pm 15 s 11/2- %K+%β+=100, %IT=?
134Pm 5 s (2+ ) %K+%β+=100
134m1Pm 22 s (5+ ) %K+%β+=100
135Pm 45 s (11/2-) %K+%β+=100
135m1Pm 49 s (3/2+, 5/2+ ) %K+%β+=100
136Pm 47 s (2+ ) %K+%β+=100
136m1Pm 107 s (5-) %K+%β+=100
137Pm 2.4 m 11/2- %K+%β+=100
138Pm 10 s 1+ %K+%β+=100
138m1Pm 3.24 m (5-) %K+%β+=?, %IT=?
139Pm 4.15 m (5/2) + %K+%β+=100
139m1Pm 180 ms (11/2) - %IT=99.94 +5-20, %K+%β+=0.06 +20-5
140Pm 9.2 s 1+ %K+%β+=100
140m1Pm 5.95 m 7- %K+%β+=100
140m2Pm 5.95 m 8- %K+%β+=100
141Pm 20.90 m 5/2+ %K+%β+=100
142Pm 40.5 s 1+ %K+%β+=100
142m1Pm 2.0 ms (8) - %IT=100
143Pm 265 d 5/2+ %K+%β+=100
144Pm 363 d 5- %K+%β+=100
145Pm 17.7 a 5/2+ %K=100, %α=2.8E-7
146Pm 5.53 a 3- %K=66.0, %β-=34.0
147Pm 2.6234 a 7/2+ %β-=100
148Pm 5.370 d 1- %β-=100
148m1Pm 41.29 d 6- %β-=95.0, %IT=5.0
149Pm 53.08 h 7/2+ %β-=100
150Pm 2.68 h (1-) %β-=100
151Pm 28.40 h 5/2+ %β-=100
152Pm 4.12 m 1+ %β-=100
152m1Pm 7.52 m 4- %β-=100
152m2Pm 13.8 m (8) %β- < 100, %IT > 0
153Pm 5.25 m 5/2- %β-=100
154Pm 1.73 m (0,1) %β-=100
154m1Pm 2.68 m (3,4) %β-=100
155Pm 41.5 s (5/2-) %β-=100
156Pm 26.70 s 4(-) %β-=100
157Pm 10.56 s (5/2-) %β-=100
158Pm 4.8 s %β-=100

Samarium

Main article: Isotopes of samarium

Isotope Half-life Spin Parity Mode(s) or Abundance
131Sm 1.2 s %K+%β+=100, %Kp=?
132Sm 4.0 s 0+ %K+%β+=100, %Kp=?
133Sm 3.7 s (5/2+ ) %K+%β+=100, %Kp=?
134Sm 10 s 0+ %K+%β+=100
135Sm 10.3 s (7/2+ ) %K+%β+=100, %Kp=0.02
136Sm 47 s 0+ %K+%β+=100
137Sm 45 s (9/2-) %K+%β+=100
138Sm 3.1 m 0+ %K+%β+=100
139Sm 2.57 m (1/2) + %K+%β+=100
139m1Sm 10.7 s (11/2) - %IT=93.7, %K+%β+=6.3
140Sm 14.82 m 0+ %K+%β+=100
141Sm 10.2 m 1/2+ %K+%β+=100
141m1Sm 22.6 m 11/2- %K+%β+=99.69, %IT=0.31
142Sm 72.49 m 0+ %K+%β+=100
143Sm 8.83 m 3/2+ %K+%β+=100
143m1Sm 66 s 11/2- %IT=99.76, %K+%β+=0.24
143m2Sm 30 ms 23/2(-) %IT=100
144Sm stable 0+ %Abundance=3.1
145Sm 340 d 7/2- %K=100
146Sm 1.03e8 a 0+ %α=100
147Sm 1.06e+11 a 7/2- %Abundance=15.0, %α=100
148Sm 7e+15 a 0+ %Abundance=11.3, %α=100
149Sm 2e+15 a 7/2- %Abundance=13.8
150Sm stable 0+ %Abundance=7.4
151Sm 90 a 5/2- %β-=100
152Sm stable 0+ %Abundance=26.7
153Sm 46.284 h 3/2+ %β-=100
153m1Sm 10.6 ms 11/2- %IT=100
154Sm stable 0+ %Abundance=22.7
155Sm 22.3 m 3/2- %β-=100
156Sm 9.4 h 0+ %β-=100
157Sm 482 s (3/2-) %β-=100
158Sm 5.30 m 0+ %β-=100
159Sm 11.37 s (5/2-) %β-=100
160Sm 9.6 s 0+ %β-=100

Europium

Main article: Isotopes of europium

Isotope Half-life Spin Parity Mode(s) or Abundance
134Eu 0.5 s %K+%β+=100, %Kp > 0
135Eu 1.5 s %K+%β+=100, %Kp=?
136Eu 3.3 s (7+ ) %K+%β+=100, %Kp=0.09
136m1Eu 3.7 s (3+ ) %K+%β+=100, %Kp=0.09
137Eu 11 s (11/2-) %K+%β+=100
138Eu 12.1 s (6-) %K+%β+=100
139Eu 17.9 s (11/2) - %K+%β+=100
140Eu 1.51 s 1+ %K+%β+=100
140m1Eu 125 ms (5-) %IT=100, %K+%β+ < 1
141Eu 40.7 s 5/2+ %K+%β+=100
141m1Eu 2.7 s 11/2- %K+%β+=13 +4-2, %IT=87 +2-4
142Eu 2.34 s 1+ %K+%β+=100
142m1Eu 1.22 m 8- %K+%β+=100
143Eu 2.63 m 5/2+ %K+%β+=100
144Eu 10.2 s 1+ %K+%β+=100
145Eu 5.93 d 5/2+ %K+%β+=100
146Eu 4.61 d 4- %K+%β+=100
147Eu 24.1 d 5/2+ %K+β+=100, %α=0.0022
148Eu 54.5 d 5- %K+%β+=100, %α=9.4E-7
149Eu 93.1 d 5/2+ %K=100
150Eu 36.9 a 5(-) %K+%β+=100
150m1Eu 12.8 h 0- %K+%β+=11, %β-=89, %IT < 5E-8
151Eu stable 5/2+ %Abundance=47.8
152Eu 13.537 a 3- %K=72.1, %β-=27.9
152m1Eu 9.3116 h 0- %K+%β+=28, %β-=72
152m2Eu 96 m 8- %IT=100
153Eu stable 5/2+ %Abundance=52.2
154Eu 8.593 a 3- %β-=99.98, %K+%β+=0.02
154m1Eu 46.3 m (8-) %IT=100
155Eu 4.7611 a 5/2+ %β-=100
156Eu 15.19 d 0+ %β-=100
157Eu 15.18 h 5/2+ %β-=100
158Eu 45.9 m (1-) %β-=100
159Eu 18.1 m 5/2+ %β-=100
160Eu 38 s 1(-) %β-=100
161Eu 26 s %β-=100
162Eu 10.6 s %β-=100

Gadolinium

Main article: Isotopes of gadolinium

Isotope Half-life Spin Parity Mode(s) or Abundance
139Gd 4.9 s 9/2- %K+%β+=?, %β+P=?
140Gd 15.8 s 0+ %K+%β+=100
141Gd 14 s (1/2+ ) %K+%β+=100, %Kp=0.03
141m1Gd 24.5 s (11/2-) %K+%β+=89, %IT=11
142Gd 70.2 s 0+ %K+%β+=100
143Gd 39 s (1/2) + %K+%β+=100, %Kp < 0.001
143m1Gd 112 s (11/2-) %K+%β+=100
144Gd 4.5 m 0+ %K+%β+=100
145Gd 23.0 m 1/2+ %K+%β+=100
145m1Gd 85 s 11/2- %IT=94.3, %K+%β+=5.7
146Gd 48.27 d 0+ %K=100
147Gd 38.06 h 7/2- %K+%β+=100
148Gd 74.6 a 0+ %α=100
149Gd 9.28 d 7/2- %K+%β+=100, %α=4.3E-4
150Gd 1.79e6 a 0+ %α=100
151Gd 124 d 7/2- %K=100, %α ~ 8E-7
152Gd 1.08e14 a 0+ %Abundance=0.20, %α=100
153Gd 240.4 d 3/2- %K=100
154Gd stable 0+ %Abundance=2.18
155Gd stable 3/2- %Abundance=14.80
155m1Gd 31.97 ms 11/2- %IT=100
156Gd stable 0+ %Abundance=20.47
157Gd stable 3/2- %Abundance=15.65
158Gd stable 0+ %Abundance=24.84
159Gd 18.479 h 3/2- %β-=100
160Gd stable 0+ %Abundance=21.86
161Gd 3.66 m 5/2- %β-=100
162Gd 8.4 m 0+ %β-=100
163Gd 68 s (5/2-) %β-=100
164Gd 45 s 0+ %β-=100


Terbium

Main article: Isotopes of terbium

Isotope Half-life Spin Parity Mode(s) or Abundance
140Tb 2.4 s 5 %K+%β+=100, %p=0.26
141Tb 3.5 s (5/2-) %K+%β+=100
142Tb 597 ms 1+ %K+%β+=100, %Kp=0.0022
142m1Tb 303 ms (5-) %IT=100, %K+%β+ < 0.5
143Tb 12 s (11/2-) %K+%β+=100
143m1Tb 21 s (5/2+ )
144Tb 1 s (1+ ) %K+%β+=100
144m1Tb 4.25 s (6-) %IT=66, %K+%β+=34
145Tb (1/2+ )
145m1Tb 29.5 s (11/2-) %K+%β+=100
146Tb 8 s 1+ %K+%β+=100
146m1Tb 23 s 5- %K+%β+=100
146m2Tb 1.18 ms (10+) %IT=100
147Tb 1.7 h (1/2+ ) %K+%β+=100
147m1Tb 1.83 m (11/2) - %K+%β+=100
148Tb 60 m 2- %K+%β+=100
148m1Tb 2.20 m 9+ %K+%β+=100
149Tb 4.118 h 1/2+ %K+%β+=83.3, %α=16.7
149m1Tb 4.16 m 11/2- %K+%β+=99.978, %α=0.022
150Tb 3.48 h (2-) %K+%β+=100, %α<0.05
150m1Tb 5.8 m 9+ %K+%β+=100
151Tb 17.609 h 1/2(+) %K+%β+=100, %α=9.5E-3
151m1Tb 25 s (11/2-) %IT=93.8, %K+%β+=6.2
152Tb 17.5 h 2- %K+%β+=100, %α < 7E-7
152m1Tb 4.2 m 8+ %IT=78.8, %K+%β+=21.2
153Tb 2.34 d 5/2+ %K+%β+=100
154Tb 21.5 h 0 %K+%β+=100, %β- < 0.1
154m1Tb 9.4 h 3- %K+%β+=78.2, %IT=21.8, %β- < 0.1
154m2Tb 22.7 h 7- %K+%β+=98.2, %IT=1.8
154m3Tb 513 ns
155Tb 5.32 d 3/2+ %K=100
156Tb 5.35 d 3- %K+%β+=100, %β-=?
156m1Tb 24.4 h (7-) %IT=100
156m2Tb 5.3 h (0+) %IT=?, %K+%β+=?
157Tb 71 a 3/2+ %K=100
158Tb 180 a 3- %K+%β+=83.4, %β-=16.6
158m1Tb 10.70 s 0- %IT=100, %β- < 0.6, %K+%β+ < 0.01
159Tb stable 3/2+ %Abundance=100
160Tb 72.3 d 3- %β-=100
161Tb 6.88 d 3/2+ %β-=100
162Tb 7.60 m 1- %β-=100
163Tb 19.5 m 3/2+ %β-=100
164Tb 3.0 m (5+ ) %β-=100
165Tb 2.11 m (3/2+ ) %β-=100

Dysprosium

Main article: Isotopes of dysprosium

Isotope Half-life Spin Parity Mode(s) or Abundance
141Dy 0.9 s (9/2-) %K+%β+=100, %Kp=?
142Dy 2.3 s 0+ %K+%β+=100, %Kp=0.06
143Dy 4.1 s (1/2+ ) %K+%β+=100, %Kp=?
144Dy 9.1 s 0+ %K+%β+=100, %Kp=?
145Dy 10 s (1/2+ ) %K+%β+=100
145m1Dy 13.6 s (11/2-) %K+%β+=100
146Dy 29 s 0+ %K+%β+=100
146m1Dy 150 ms (10+) %IT=100
147Dy 40 s 1/2+ %K+%β+=100, %Kp=?
147m1Dy 55 s 11/2- %K+%β+=65, %IT=35
148Dy 3.1 m 0+ %K+%β+=100
149Dy 4.20 m (7/2-) %K+%β+=100
149m1Dy 490 ms (27/2-) %IT=99.3, %K+%β+=0.7
150Dy 7.17 m 0+ %α=36, %K+%β+=64
151Dy 17.9 m 7/2(-) %K+%β+=94.4, %α=5.6
152Dy 2.38 h 0+ %α=0.100, %K=99.900
153Dy 6.4 h 7/2(-) %K+%β+=99.9906, %α=0.0094
154Dy 3.0e+6 a 0+ %α=100
155Dy 9.9 h 3/2- %K+%β+=100
156Dy stable 0+ %Abundance=0.06
157Dy 8.14 h 3/2- %K+%β+=100
157m1Dy 21.6 ms 11/2- %IT=100
158Dy stable 0+ %Abundance=0.10
159Dy 144.4 d 3/2- %K=100
160Dy stable 0+ %Abundance=2.34
161Dy stable 5/2+ %Abundance=18.9
162Dy stable 0+ %Abundance=25.5
163Dy stable 5/2- %Abundance=24.9
164Dy stable 0+ %Abundance=28.2
165Dy 2.334 h 7/2+ %β-=100
165m1Dy 1.257 m 1/2- %IT=97.76, %β-=2.24
166Dy 81.6 h 0+ %β-=100
167Dy 6.20 m (1/2-) %β-=100
168Dy 8.7 m 0+ %β-=100
169Dy 39 s (5/2-) %β-=100

Holmium

Main article: Isotopes of holmium

Isotope Half-life Spin Parity Mode(s) or Abundance
144Ho 0.7 s %K+%β+=100, %Kp=?
145Ho 2.4 s (11/2-) %K+%β+=100
146Ho 3.6 s (10+) %K+%β+=100, %Kp=?
147Ho 5.8 s (11/2-) %K+%β+=100, %Kp=?
148Ho 2.2 s 1+ %K+%β+=100
148m1Ho 9.59 s 6- %K+%β+=100, %Kp=0.08
148m2Ho 2.35 ms (10+) %IT=100
149Ho 21.1 s (11/2-) %K+%β+=100
149m1Ho 56 s (1/2+ ) %K+%β+=100
150Ho 72 s 2- %K+%β+=100
150m1Ho 23.3 s (9) + %K+%β+=100
151Ho 35.2 s (11/2-) %K+%β+=78, %α=22
151m1Ho 47.2 s (1/2+ ) %α=80 +15-20, %K+%β+=20 +20- 15
152Ho 161.8 s 2- %α=12, %K+%β+=88
152m1Ho 50.0 s 9+ %α=10.8, %K+%β+=89.2
153Ho 2.01 m 11/2- %K+%β+=99.949, %α=0.051
153m1Ho 9.3 m 1/2+ %K+%β+=99.82, %α=0.18
154Ho 11.76 m (2) - %K+%β+=99.981, %α=0.019
154m1Ho 3.10 m 8+ %K+%β+=100, %α < 0.001
155Ho 48 m 5/2+ %K+%β+=100
156Ho 56 m (4+ ) %K+%β+=100
156m1Ho 9.5 s (1+ ) %IT=?, %K+%β+=?
157Ho 12.6 m 7/2- %K+%β+=100
158Ho 11.3 m 5+ %K+%β+=100
158m1Ho 28 m 2- %K+%β+ < 19, %IT > 81
158m2Ho 21.3 m (9+ ) %K+%β+ > 93, %IT < 7
159Ho 33.05 m 7/2- %K+%β+=100
159m1Ho 8.30 s 1/2+ %IT=100
160Ho 25.6 m 5+ %K+%β+=100
160m1Ho 5.02 h 2- %IT=65, %K+%β+=35
160m2Ho 3 s (9+ ) %IT=100
161Ho 2.48 h 7/2- %K=100
161m1Ho 6.76 s 1/2+ %IT=100
162Ho 15.0 m 1+ %K+%β+=100
162m1Ho 67.0 m 6- %IT=62, %K+%β+=38
163Ho 4570 a 7/2- %K=100
163m1Ho 1.09 s 1/2+ %IT=100
164Ho 29 m 1+ %K=60, %β-=40
164m1Ho 37.5 m 6- %IT=100
165Ho stable 7/2- %Abundance=100
166Ho 26.83 h 0- %β-=100
166m1Ho 1.20e3 a (7) - %β-=100
167Ho 3.1 h 7/2- %β-=100
168Ho 2.99 m 3+ %β-=100
168m1Ho 132 s (6+ ) %IT > 99.5, %β- < 0.5
169Ho 4.7 m 7/2- %β-=100
170Ho 2.76 m (6+ ) %β-=100
170m1Ho 43 s (1+ ) %β-=100
171Ho 53 s (7/2-) %β-=100
172Ho 25 s %β-=100

Erbium

Main article: Isotopes of erbium

Isotope Half-life Spin Parity Mode(s) or Abundance
145Er 0.9 s (11/2-) %K+%β+=100, %Kp=?
146Er 1.7 s 0+ %K+%β+=100, %Kp=?
147Er 2.5 s (11/2-) %K+%β+=100, %Kp=?
147m1Er 2.5 s (1/2+ ) %K+%β+=100, %Kp=?
148Er 4.6 s 0+ %K+%β+=100, %Kp ~ 0.15
149Er 4 s (1/2+ ) %K+%β+=100, %Kp=7
149m1Er 8.9 s (11/2-) %K+%β+=96.5, %IT=3.5, %Kp=0.18
150Er 18.5 s 0+ %K+%β+=100
151Er 23.5 s (7/2-) %K+%β+=100
151m1Er 0.58 s (27/2-) %IT=95.3, %K+%β+=4.7
152Er 10.3 s 0+ %K+%β+=10, %α=90
153Er 37.1 s (7/2-) %α=53, %K+%β+=47
154Er 3.73 m 0+ %K+%β+=99.53, %α=0.47
155Er 5.3 m 7/2- %K+%β+=99.978, %α=0.022
156Er 19.5 m 0+ %K+%β+=100
157Er 18.65 m 3/2- %K+%β+=100
157m1Er 76 ms (9/2+ ) %IT=100
158Er 2.29 h 0+ %K=100
159Er 36 m 3/2- %K+%β+=100
160Er 28.58 h 0+ %K=100
161Er 3.21 h 3/2- %K+%β+=100
162Er stable 0+ %Abundance=0.14
163Er 75.0 m 5/2- %K+%β+=100
164Er stable 0+ %Abundance=1.61
165Er 10.36 h 5/2- %K=100
166Er stable 0+ %Abundance=33.6
167Er stable 7/2+ %Abundance=22.95
167m1Er 2.269 s 1/2- %IT=100
168Er stable 0+ %Abundance=26.8
169Er 9.40 d 1/2- %β-=100
170Er stable 0+ %Abundance=14.9
171Er 7.516 h 5/2- %β-=100
172Er 49.3 h 0+ %β-=100
173Er 1.4 m (7/2-) %β-=100
174Er 3.3 m 0+ %β-=100
175Er 1.2 m (9/2+ ) %β-=100

Thulium

Main article: Isotopes of thulium

Isotope Half-life Spin Parity Mode(s) or Abundance
146Tm 235 ms (10+) %K+%β+ ~ 55, %p ~ 45
146m1Tm 72 ms (5-, 6-) %p=100, %K+%β+=?
147Tm 0.56 s (11/2-) %K+%β+ ~ 90, %p ~ 10
147m1Tm 360 μs (1/2+,3/2+ )
148Tm 0.7 s (10+ ) %K+%β+=100
149Tm 0.9 s (11/2-) %K+%β+=100, %Kp=0.2 +2-1
150Tm 2.2 s (6-) %K+%β+=100, %Kp=1.2
150m1Tm 5.2 ms (10+) %IT=100
151Tm 4.17 s (11/2-) %K+%β+=100
151m1Tm 6.6 s (1/2+ ) %K+%β+=100
152Tm 8.0 s (2) - %K+%β+=100
152m1Tm 5.2 s (9) + %K+%β+=100
153Tm 1.48 s (11/2-) %α=91, %K+%β+=9
153m1Tm 2.5 s (1/2+ ) %α=92, %K+%β+=8
154Tm 8.1 s (2-) %K+%β+=56, %α=44
154m1Tm 3.30 s (9+ ) %α=90 sys%K+%β+=10 sys%IT=?
155Tm 21.6 s (11/2-) %K+%β+=98.1, %α=1.9
155m1Tm 45 s (1/2+ ) %K+%β+>92, %α<8
156Tm 83.8 s 2- %K+%β+=99.936, %α=0.064
156m1Tm 19 s %α=?
157Tm 3.63 m 1/2+ %K+%β+=100
158Tm 3.98 m 2- %K+%β+=100
158m1Tm 20 ns (5+ )
158m2Tm 16 ns (9-)
159Tm 9.13 m 5/2+ %K+%β+=100
160Tm 9.4 m 1- %K+%β+=100
160m1Tm 74.5 s 5 %K+%β+=15, %IT=85
161Tm 33 m 7/2+ %K+%β+=100
162Tm 21.70 m 1- %K+%β+=100
162m1Tm 24.3 s 5+ %IT=82, %K+%β+=18
163Tm 1.810 h 1/2+ %K+%β+=100
164Tm 2.0 m 1+ %K+%β+=100
164m1Tm 5.1 m 6- %IT ~ 80, %K+%β+ ~ 20
165Tm 30.06 h 1/2+ %K+%β+=100
166Tm 7.70 h 2+ %K+%β+=100
166m1Tm 350 ms 6- %IT=100
167Tm 9.25 d 1/2+ %K=100
168Tm 93.1 d 3(+) %K+%β+=99.990, %β-=0.010
169Tm stable 1/2+ %Abundance=100
170Tm 128.6 d 1- %K=0.131, %β-=99.869
171Tm 1.92 a 1/2+ %β-=100
172Tm 63.6 h 2- %β-=100
173Tm 8.24 h (1/2+ ) %β-=100
174Tm 5.4 m (4) - %β-=100
175Tm 15.2 m 1/2+ %β-=100
176Tm 1.9 m (4+ ) %β-=100
177Tm 85 s (1/2+ ) %β-=100

Ytterbium

Main article: Isotopes of ytterbium

Isotope Half-life Spin Parity Mode(s) or Abundance
151Yb 1.6 s (1/2+ ) %K+%β+=100, %Kp=?
151m1Yb 1.6 s (11/2-) %K+%β+ ~ 100, %Kp=?
152Yb 3.04 s 0+ %K+%β+=100, %Kp=?
153Yb 4.2 s 7/2- %α=50 sys %K+%β+=50 sys
154Yb 0.409 s 0+ %α=92.6, %K+%β+=7.4
155Yb 1.800 s (7/2-) %α=89, %K+%β+=11
156Yb 26.1 s 0+ %K+%β+=90, %α=10
157Yb 38.6 s 7/2- %K+%β+=99.5, %α=0.5
158Yb 1.49 m 0+ %α ~ 0.0021, %K+%β+=100
159Yb 1.58 m 5/2(-) %K+%β+=100
160Yb 4.8 m 0+ %K+%β+=100
161Yb 4.2 m 3/2- %K+%β+=100
162Yb 18.87 m 0+ %K+%β+=100
163Yb 11.05 m 3/2- %K+%β+=100
164Yb 75.8 m 0+ %K=100
165Yb 9.9 m 5/2- %K+%β+=100
166Yb 56.7 h 0+ %K=100
167Yb 17.5 m 5/2- %K+%β+=100
168Yb stable 0+ %Abundance=0.13
169Yb 32.026 d 7/2+ %K=100
169m1Yb 46 s 1/2- %IT=100
170Yb stable 0+ %Abundance=3.05
171Yb stable 1/2- %Abundance=14.3
171m1Yb 5.25 ms 7/2+ %IT=100
172Yb stable 0+ %Abundance=21.9
173Yb stable 5/2- %Abundance=16.12
174Yb stable 0+ %Abundance=31.8
175Yb 4.185 d 7/2- %β-=100
175m1Yb 68.2 ms 1/2- %IT=100
176Yb stable 0+ %Abundance=12.7
176m1Yb 11.4 s (8-) %IT > 90, %β- < 10
177Yb 1.911 h (9/2+ ) %β-=100
177m1Yb 6.41 s (1/2-) %IT=100
178Yb 74 m 0+ %β-=100
179Yb 8.0 m (1/2-) %β-=100
180Yb 2.4 m 0+ %β-=100

Lutetium

Main article: Isotopes of lutetium

Isotope Half-life Spin Parity Mode(s) or Abundance
150Lu 35 ms %p=80, %K+%β+=20
151Lu 88 ms (11/2-) %p=70
152Lu 0.7 s (5-, 6-) %K+%β+=100, %Kp=15
153Lu 0.9 s 11/2- %α ~ 70, %K+%β+ ~ 30
154Lu (2-)
154m1Lu 1.12 s (9+ ) %K+%β+ ~ 100
154m2Lu 35 μs (17+ )
155Lu 140 ms (1/2+, 3/2+ ) %α=?
155m1Lu 68 ms (11/2-) %α=79, %K+%β+=21
155m2Lu 2.60 ms (25/2-) %α ~ 100
156Lu 198 ms (9+ ) %α ~ 95, %K+%β+=5
156m1Lu 494 ms (2-) %α=79, %K+%β+=21
157Lu 6.8 s (1/2+, 3/2+ ) %α > 0
157m1Lu 4.79 s (11/2-) %α=6, %K+%β+=94
158Lu 10.6 s %α=0.91, %K+%β+=99.09
159Lu 12.1 s %K+%β+=99.96 sys%α=0.04 sys
160Lu 36.1 s %K+%β+=100, %α < 1E-4
160m1Lu 40 s %K+%β+ < 100, %α=?
161Lu 77 s (5/2+ ) %K+%β+=100
161m1Lu 7.3 ms (9/2-) %IT=100
162Lu 1.37 m (1-) %K+%β+=100
162m1Lu 1.5 m (4-) %K+%β+ < 100
162m2Lu 1.9 m %K+%β+ < 100
163Lu 238 s (1/2-) %K+%β+=100
164Lu 3.14 m %K+%β+=100
165Lu 10.74 m (7/2+ ) %K+%β+=100
165m1Lu 12 m 1/2+
166Lu 2.65 m (6-) %K+%β+=100
166m1Lu 1.41 m (3-) %K+%β+=58, %IT=42
166m2Lu 2.12 m (0- ) %K+%β+>80, %IT<20
167Lu 51.5 m 7/2+ %K+%β+=100
168Lu 5.5 m (6-) %K+%β+=100
168m1Lu 6.7 m 3+ %K+%β+ > 95, %IT < 5
169Lu 34.06 h 7/2+ %K+%β+=100
169m1Lu 160 s 1/2- %IT=100
170Lu 2.012 d 0+ %K+%β+=100
170m1Lu 0.67 s (4) - %IT=100
171Lu 8.24 d 7/2+ %K+%β+=100
171m1Lu 79 s 1/2- %IT=100
172Lu 6.70 d 4- %K+%β+=100
172m1Lu 3.7 m 1- %IT=100
173Lu 1.37 a 7/2+ %K=100
174Lu 3.31 a (1) - %K+%β+=100
174m1Lu 142 d (6) - %IT=99.38, %K=0.62
175Lu stable 7/2+ %Abundance=97.41
176Lu 3.78e10 a 7- %Abundance=2.59, %β-=100
176m1Lu 3.635 h 1- %β-=99.905, %K=0.095
177Lu 6.734 d 7/2+ %β-=100
177m1Lu 160.4 d 23/2- %β-=78.3, %IT=21.7
178Lu 28.4 m 1(+) %β-=100
178m1Lu 23.1 m (9-) %β-=100
179Lu 4.59 h 7/2(+) %β-=100
179m1Lu 3.1 ms 1/2(+) %IT=100
180Lu 5.7 m (5) + %β-=100
181Lu 3.5 m (7/2+ ) %β-=100
182Lu 2.0 m (0,1,2) %β-=100
183Lu 58 s (7/2+ ) %β-=100
184Lu 20 s (2+ ) %β-=100

Hafnium

Main article: Isotopes of hafnium

Isotope Half-life Spin Parity Mode(s) or Abundance
154Hf 2 s 0+ %K+%β+=100
155Hf 0.89 s %K+%β+=100, %α=?
156Hf 25 ms 0+ %α > 81
156m1Hf 444 μs
157Hf 110 ms 7/2- %α=86, %K+%β+=14
158Hf 2.85 s 0+ %α=44, %K+%β+=56
159Hf 5.6 s %K+%β+=59, %α=41
160Hf 13.6 s 0+ %K+%β+=99.3, %α=0.7
161Hf 16.8 s (13/2+ ) %K+%β+=99.71, %α=0.29
162Hf 37.6 s 0+ %K+%β+=99.9937, %α=0.0063
163Hf 40.0 s %K+%β+=100
164Hf 111 s 0+ %K+%β+=100
165Hf 76 s (5/2-) %K+%β+=100
166Hf 6.77 m 0+ %K+%β+=100
167Hf 2.05 m (5/2-) %K+%β+=100
168Hf 25.95 m 0+ %K+%β+=100
169Hf 3.24 m (5/2) - %K+%β+=100
170Hf 16.01 h 0+ %K=100
171Hf 12.1 h (7/2+ ) %K+%β+=100
172Hf 1.87 a 0+ %K=100
173Hf 23.6 h 1/2- %K+%β+=100
174Hf 2.0e15 a 0+ %Abundance=0.162, %α=100
175Hf 70 d 5/2- %K=100
176Hf stable 0+ %Abundance=5.206
177Hf stable 7/2- %Abundance=18.606
177m1Hf 1.08 s 23/2+ %IT=100
177m2Hf 51.4 m 37/2- %IT=100
178Hf stable 0+ %Abundance=27.297
178m1Hf 4.0 s 8- %IT=100
178m2Hf 31 a 16+ %IT=100
179Hf stable 9/2+ %Abundance=13.629
179m1Hf 18.67 s 1/2- %IT=100
179m2Hf 25.05 d 25/2- %IT=100
180Hf stable 0+ %Abundance=35.100
180m1Hf 5.5 h 8- %IT=99.7, %β-=0.3
181Hf 42.39 d 1/2- %β-=100
182Hf 9e6 a 0+ %β-=100
182m1Hf 61.5 m 8- %β-=58, %IT=42
183Hf 1.067 h (3/2-) %β-=100
184Hf 4.12 h 0+ %β-=100
184m1Hf 48 s (8-) %IT=100
185Hf 3.5 m %β-=100
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