Isotopes of Thulium

List of known isotopes of the element Thulium.

Isotope	t½	%	Spin/parity	Radius	Isotopic mass	Discovery
¹⁴⁴Tm	1.9 ± us	syn.	(10+)	—	1.439·10⁸ ±429 keV/c²	2005
¹⁴⁵Tm	3.17 ±20 us	syn.	(11/2-)	—	1.449·10⁸ ±210 keV/c²	1998
¹⁴⁶Tm	68 ±3 ms	syn.	(5-)	—	1.459·10⁸ ±215 keV/c²	1993
¹⁴⁷Tm	0.58 ±3 s	syn.	11/2-	—	1.469·10⁸ ±7.341 keV/c²	1982
¹⁴⁸Tm	0.7 ±2 s	syn.	(10+)	—	1.479·10⁸ ±11 keV/c²	1982
¹⁴⁹Tm	0.9 ±2 s	syn.	(11/2-)	—	1.489·10⁸ ±215 keV/c²	1987
¹⁵⁰Tm	2.2 ±6 s	syn.	(6-)	—	1.499·10⁸ ±210 keV/c²	1982
¹⁵¹Tm	4.17 ±11 s	syn.	(11/2-)	—	1.509·10⁸ ±20.79 keV/c²	1982
¹⁵²Tm	8 ±10 s	syn.	(2)-	—	1.519·10⁸ ±58 keV/c²	1980
¹⁵³Tm	1.48 ±1 s	syn.	(11/2-)	5.064 ±0.019 fm	1.529·10⁸ ±12.86 keV/c²	1964
¹⁵⁴Tm	8.1 ±3 s	syn.	(2-)	5.075 ±0.0166 fm	1.539·10⁸ ±15.47 keV/c²	1964
¹⁵⁵Tm	21.6 ±2 s	syn.	11/2-	—	1.549·10⁸ ±10.65 keV/c²	1971
¹⁵⁶Tm	83.8 ±18 s	syn.	2-	5.097 ±0.0135 fm	1.559·10⁸ ±15.32 keV/c²	1971
¹⁵⁷Tm	3.63 ±9 m	syn.	1/2+	5.114 ±0.0074 fm	1.569·10⁸ ±30 keV/c²	1974
¹⁵⁸Tm	3.98 ±6 m	syn.	2-	5.123 ±0.0069 fm	1.579·10⁸ ±27.07 keV/c²	1970
¹⁵⁹Tm	9.13 ±16 m	syn.	5/2+	5.139 ±0.006 fm	1.589·10⁸ ±30 keV/c²	1971
¹⁶⁰Tm	9.4 ±3 m	syn.	1-	5.15 ±0.0055 fm	1.599·10⁸ ±35.08 keV/c²	1970
¹⁶¹Tm	30.2 ±8 m	syn.	7/2+	5.161 ±0.005 fm	1.609·10⁸ ±30 keV/c²	1959
¹⁶²Tm	21.7 ±19 m	syn.	1-	5.171 ±0.0048 fm	1.619·10⁸ ±27.97 keV/c²	1963
¹⁶³Tm	1.81 ±5 h	syn.	1/2+	5.184 ±0.0042 fm	1.629·10⁸ ±5.92 keV/c²	1959
¹⁶⁴Tm	1.95 ±10 m	syn.	1+	5.19 ±0.0042 fm	1.639·10⁸ ±26.84 keV/c²	1960
¹⁶⁵Tm	30.06 ±3 h	syn.	1/2+	5.2 ±0.0038 fm	1.649·10⁸ ±1.779 keV/c²	1953
¹⁶⁶Tm	7.7 ±3 h	syn.	2+	5.204 ±0.0038 fm	1.659·10⁸ ±12.4 keV/c²	1948
¹⁶⁷Tm	9.25 ±2 d	syn.	1/2+	5.212 ±0.0036 fm	1.669·10⁸ ±1.35 keV/c²	1948
¹⁶⁸Tm	93.1 ±2 d	syn.	3+	5.217 ±0.0036 fm	1.679·10⁸ ±1.8 keV/c²	1949
¹⁶⁹Tm	stab.	100 %	1/2+	5.225 ±0.0035 fm	1.689·10⁸ ±0.792 keV/c²	1934
¹⁷⁰Tm	128.6 ±3 d	syn.	1-	5.23 ±0.0036 fm	1.699·10⁸ ±0.785 keV/c²	1936
¹⁷¹Tm	1.92 ±1 a	syn.	1/2+	5.238 ±0.0037 fm	1.709·10⁸ ±1.043 keV/c²	1948
¹⁷²Tm	63.6 ±3 h	syn.	2-	5.241 ±0.0052 fm	1.719·10⁸ ±5.884 keV/c²	1956
¹⁷³Tm	8.24 ±8 h	syn.	(1/2+)	—	1.729·10⁸ ±4.723 keV/c²	1961
¹⁷⁴Tm	5.4 ±1 m	syn.	(4)-	—	1.739·10⁸ ±48.01 keV/c²	1960
¹⁷⁵Tm	15.2 ±5 m	syn.	(1/2+)	—	1.749·10⁸ ±53.67 keV/c²	1961
¹⁷⁶Tm	1.85 ±3 m	syn.	(4+)	—	1.759·10⁸ ±107.3 keV/c²	1961
¹⁷⁷Tm	95 ±7 s	syn.	(1/2+)	—	1.769·10⁸ ±215 keV/c²	1989
¹⁷⁸Tm	300 ns	syn.	—	—	1.779·10⁸ ±322 keV/c²	2008
¹⁷⁹Tm	160 ns	syn.	—	—	1.789·10⁸ ±429 keV/c²	2012
¹⁸⁰Tm	300 ns	syn.	—	—	1.799·10⁸ ±429 keV/c²	2012
¹⁸¹Tm	160 ns	syn.	—	—	1.809·10⁸ ±537 keV/c²	2012

144TmThulium-144

Classification	z: 69; n: 75; m: 144
Half life	1.9 ± us
Natural abundance	synthetic nuclide
Spin/parity	(10+)
Decay modes	proton emission
Discovery	2005
Mass excess	-22,160 ±400 keV
Binding energy	7,850 ±3 keV
Single-particle energy	-1,712 ±16 keV
Q value for electron capture	14,440 ±445.4 keV

Point at nuclide Decay chain of Thulium-144

145TmThulium-145

Classification	z: 69; n: 76; m: 145
Half life	3.17 ±20 us
Natural abundance	synthetic nuclide
Spin/parity	(11/2-)
Decay modes	proton emission
Discovery	1998
Mass excess	-27,590 ±196 keV
Binding energy	7,889 ±1 keV
Single-particle energy	-1,737 ±7.071 keV
Neutron separation energy	13,490 ±445 keV
Q value for electron capture	11,650 ±280 keV

Point at nuclide Decay chain of Thulium-145

146TmThulium-146

Classification	z: 69; n: 77; m: 146
Half life	68 ±3 ms
Natural abundance	synthetic nuclide
Spin/parity	(5-)
Decay modes	proton emission; electron capture + β⁺ decay
Discovery	1993
Mass excess	-31,060 ±200 keV
Binding energy	7,914 ±1 keV
Single-particle energy	-895.7 ±5.656 keV
Neutron separation energy	11,540 ±280 keV
Q value for electron capture	13,260 ±200.1 keV

Point at nuclide Decay chain of Thulium-146

147TmThulium-147

Classification	z: 69; n: 78; m: 147
Half life	0.58 ±3 s
Natural abundance	synthetic nuclide
Spin/parity	11/2-
Decay modes	electron capture + β⁺ decay; proton emission
Discovery	1982
Mass excess	-35,980 ±6.839 keV
Binding energy	7,948 ±0.0465 keV
Single-particle energy	-1,059 ±3.203 keV
Neutron separation energy	12,990 ±200 keV
Q value for electron capture	10,630 ±38.79 keV

Point at nuclide Decay chain of Thulium-147

148TmThulium-148

Classification	z: 69; n: 79; m: 148
Half life	0.7 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	(10+)
Decay modes	electron capture + β⁺ decay
Discovery	1982
Mass excess	-38,770 ±10.24 keV
Binding energy	7,968 ±0.0692 keV
Single-particle energy	-553.9 ±39.54 keV
Neutron separation energy	10,860 ±12.31 keV
Q value for electron capture	12,710 ±14.49 keV
β⁻ decay energy	-8,535 ±400 keV

Point at nuclide Decay chain of Thulium-148

149TmThulium-149

Classification	z: 69; n: 80; m: 149
Half life	0.9 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	(11/2-)
Decay modes	electron capture + β⁺ decay; electron capture + proton emission
Discovery	1987
Mass excess	-43,940 ±200 keV
Binding energy	8,004 ±1 keV
Single-particle energy	-250 ±201 keV
Neutron separation energy	13,240 ±201 keV
Q value for electron capture	9,801 ±201.9 keV
β⁻ decay energy	-10,620 ±361 keV
β⁻ decay energy with neutron	-21,790 ±447 keV

Point at nuclide Decay chain of Thulium-149

150TmThulium-150

Classification	z: 69; n: 81; m: 150
Half life	2.2 ±6 s
Natural abundance	synthetic nuclide
Spin/parity	(6-)
Decay modes	electron capture + β⁺ decay; electron capture + proton emission
Discovery	1982
Mass excess	-46,500 ±196 keV
Binding energy	8,021 ±1 keV
Single-particle energy	38 ±198 keV
Neutron separation energy	10,620 ±280 keV
Q value for electron capture	11,340 ±196.7 keV
β⁻ decay energy	-7,661 ±358 keV
β⁻ decay energy with neutron	-21,240 ±358 keV

Point at nuclide Decay chain of Thulium-150

151TmThulium-151

Classification	z: 69; n: 82; m: 151
Half life	4.17 ±11 s
Natural abundance	synthetic nuclide
Spin/parity	(11/2-)
Decay modes	electron capture + β⁺ decay
Discovery	1982
Mass excess	-50,780 ±19.37 keV
Binding energy	8,050 ±0.1283 keV
Single-particle energy	229.2 ±8.93 keV
Neutron separation energy	12,350 ±197 keV
Q value for electron capture	7,494 ±25.42 keV
β⁻ decay energy	-9,230 ±300.1 keV
β⁻ decay energy with neutron	-20,020 ±301 keV

Point at nuclide Decay chain of Thulium-151

152TmThulium-152

Classification	z: 69; n: 83; m: 152
Half life	8 ±10 s
Natural abundance	synthetic nuclide
Spin/parity	(2)-
Decay modes	electron capture + β⁺ decay
Discovery	1980
Mass excess	-51,730 ±54.02 keV
Binding energy	8,056 ±0.3554 keV
Single-particle energy	742.9 ±56.48 keV
Neutron separation energy	9,019 ±57.39 keV
Q value for electron capture	8,779 ±54.74 keV
β⁻ decay energy	-5,450 ±139.6 keV
β⁻ decay energy with neutron	-18,250 ±305.3 keV

Point at nuclide Decay chain of Thulium-152

153TmThulium-153

Classification	z: 69; n: 84; m: 153
Half life	1.48 ±1 s
Natural abundance	synthetic nuclide
Spin/parity	(11/2-)
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1964
Mass excess	-53,980 ±11.97 keV
Binding energy	8,071 ±0.0783 keV
Single-particle energy	761.3 ±12.4 keV
Neutron separation energy	10,320 ±55.33 keV
Q value for electron capture	6,494 ±15.15 keV
β⁻ decay energy	-6,813 ±201 keV
β⁻ decay energy with neutron	-15,780 ±150.1 keV
Magnetic dipole moment	6.93 ±0.11 μN
Electric quadrupole moment	0.5 ±1 b

Point at nuclide Decay chain of Thulium-153

154TmThulium-154

Classification	z: 69; n: 85; m: 154
Half life	8.1 ±3 s
Natural abundance	synthetic nuclide
Spin/parity	(2-)
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1964
Mass excess	-54,430 ±14.41 keV
Binding energy	8,074 ±0.0936 keV
Single-particle energy	1,249 ±17.11 keV
Neutron separation energy	8,525 ±18.73 keV
Q value for electron capture	8,177 ±15.24 keV
β⁻ decay energy	-4,496 ±13.95 keV
β⁻ decay energy with neutron	-15,340 ±201 keV
Magnetic dipole moment	-1.14 ±0.02 μN
Electric quadrupole moment	0.4 ±0.9 b

Point at nuclide Decay chain of Thulium-154

155TmThulium-155

Classification	z: 69; n: 86; m: 155
Half life	21.6 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	11/2-
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1971
Mass excess	-56,630 ±9.921 keV
Binding energy	8,088 ±0.064 keV
Single-particle energy	1,309 ±10.74 keV
Neutron separation energy	10,270 ±17.43 keV
Q value for electron capture	5,583 ±11.63 keV
β⁻ decay energy	-6,124 ±19.33 keV
β⁻ decay energy with neutron	-14,770 ±19.88 keV

Point at nuclide Decay chain of Thulium-155

156TmThulium-156

Classification	z: 69; n: 87; m: 156
Half life	83.8 ±18 s
Natural abundance	synthetic nuclide
Spin/parity	2-
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1971
Mass excess	-56,840 ±14.27 keV
Binding energy	8,089 ±0.0915 keV
Single-particle energy	1,914 ±15.49 keV
Neutron separation energy	8,279 ±17.37 keV
Q value for electron capture	7,377 ±28.46 keV
β⁻ decay energy	-3,569 ±12.54 keV
β⁻ decay energy with neutron	-14,410 ±21.89 keV
Magnetic dipole moment	0.4 ±0.03 μN
Electric quadrupole moment	-0.48 ±0.11 b

Point at nuclide Decay chain of Thulium-156

157TmThulium-157

Classification	z: 69; n: 88; m: 157
Half life	3.63 ±9 m
Natural abundance	synthetic nuclide
Spin/parity	1/2+
Decay modes	electron capture + β⁺ decay
Discovery	1974
Mass excess	-58,710 ±27.94 keV
Binding energy	8,101 ±0.178 keV
Single-particle energy	1,786 ±37.24 keV
Neutron separation energy	9,946 ±31.38 keV
Q value for electron capture	4,704 ±38.51 keV
β⁻ decay energy	-5,290 ±29.99 keV
β⁻ decay energy with neutron	-13,520 ±29.45 keV
Magnetic dipole moment	0.476 ±0.015 μN

Point at nuclide Decay chain of Thulium-157

158TmThulium-158

Classification	z: 69; n: 89; m: 158
Half life	3.98 ±6 m
Natural abundance	synthetic nuclide
Spin/parity	2-
Decay modes	electron capture + β⁺ decay
Discovery	1970
Mass excess	-58,710 ±25.21 keV
Binding energy	8,101 ±0.1596 keV
Single-particle energy	2,578 ±36.58 keV
Neutron separation energy	8,065 ±37.64 keV
Q value for electron capture	6,600 ±35.66 keV
β⁻ decay energy	-2,694 ±26.44 keV
β⁻ decay energy with neutron	-13,360 ±27.47 keV
Magnetic dipole moment	0.04 ±0.02 μN
Electric quadrupole moment	0.74 ±0.11 b

Point at nuclide Decay chain of Thulium-158

159TmThulium-159

Classification	z: 69; n: 90; m: 159
Half life	9.13 ±16 m
Natural abundance	synthetic nuclide
Spin/parity	5/2+
Decay modes	electron capture + β⁺ decay
Discovery	1971
Mass excess	-60,580 ±27.94 keV
Binding energy	8,112 ±0.1758 keV
Single-particle energy	2,555 ±37.64 keV
Neutron separation energy	9,938 ±37.64 keV
Q value for electron capture	3,990 ±28.18 keV
β⁻ decay energy	-4,737 ±33.01 keV
β⁻ decay energy with neutron	-12,640 ±29.06 keV
Magnetic dipole moment	3.42 ±0.03 μN
Electric quadrupole moment	1.93 ±0.07 b

Point at nuclide Decay chain of Thulium-159

160TmThulium-160

Classification	z: 69; n: 91; m: 160
Half life	9.4 ±3 m
Natural abundance	synthetic nuclide
Spin/parity	1-
Decay modes	electron capture + β⁺ decay
Discovery	1970
Mass excess	-60,310 ±32.68 keV
Binding energy	8,110 ±0.2043 keV
Single-particle energy	3,028 ±32.88 keV
Neutron separation energy	7,801 ±43 keV
Q value for electron capture	5,763 ±40.69 keV
β⁻ decay energy	-2,138 ±33.14 keV
β⁻ decay energy with neutron	-12,540 ±37.11 keV
Magnetic dipole moment	0.16 ±0.02 μN
Electric quadrupole moment	0.58 ±0.04 b

Point at nuclide Decay chain of Thulium-160

161TmThulium-161

Classification	z: 69; n: 92; m: 161
Half life	30.2 ±8 m
Natural abundance	synthetic nuclide
Spin/parity	7/2+
Decay modes	electron capture + β⁺ decay
Discovery	1959
Mass excess	-61,900 ±27.94 keV
Binding energy	8,120 ±0.1736 keV
Single-particle energy	3,123 ±36.99 keV
Neutron separation energy	9,668 ±43 keV
Q value for electron capture	3,302 ±29.29 keV
β⁻ decay energy	-4,065 ±31.76 keV
β⁻ decay energy with neutron	-11,810 ±28.48 keV
Magnetic dipole moment	2.4 ±0.02 μN
Electric quadrupole moment	2.9 ±0.07 b

Point at nuclide Decay chain of Thulium-161

162TmThulium-162

Classification	z: 69; n: 93; m: 162
Half life	21.7 ±19 m
Natural abundance	synthetic nuclide
Spin/parity	1-
Decay modes	electron capture + β⁺ decay
Discovery	1963
Mass excess	-61,480 ±26.05 keV
Binding energy	8,117 ±0.1609 keV
Single-particle energy	3,565 ±27.47 keV
Neutron separation energy	7,650 ±38.2 keV
Q value for electron capture	4,856 ±26.06 keV
β⁻ decay energy	-1,657 ±30.11 keV
β⁻ decay energy with neutron	-11,720 ±30.11 keV
Magnetic dipole moment	0.068 ±0.008 μN
Electric quadrupole moment	0.69 ±0.03 b

Point at nuclide Decay chain of Thulium-162

163TmThulium-163

Classification	z: 69; n: 94; m: 163
Half life	1.81 ±5 h
Natural abundance	synthetic nuclide
Spin/parity	1/2+
Decay modes	electron capture + β⁺ decay
Discovery	1959
Mass excess	-62,730 ±5.515 keV
Binding energy	8,124 ±0.0338 keV
Single-particle energy	3,683 ±5.476 keV
Neutron separation energy	9,322 ±26.61 keV
Q value for electron capture	2,439 ±7.2 keV
β⁻ decay energy	-3,435 ±16.06 keV
β⁻ decay energy with neutron	-10,980 ±16.06 keV
Magnetic dipole moment	-0.082 ±0.001 μN

Point at nuclide Decay chain of Thulium-163

164TmThulium-164

Classification	z: 69; n: 95; m: 164
Half life	1.95 ±10 m
Natural abundance	synthetic nuclide
Spin/parity	1+
Decay modes	electron capture + β⁺ decay; β⁺ decay
Discovery	1960
Mass excess	-61,910 ±25 keV
Binding energy	8,119 ±0.1525 keV
Single-particle energy	4,030 ±25.42 keV
Neutron separation energy	7,251 ±25.6 keV
Q value for electron capture	4,033 ±25.01 keV
β⁻ decay energy	-896.8 ±29.21 keV
β⁻ decay energy with neutron	-10,690 ±29.21 keV
Magnetic dipole moment	2.37 ±0.03 μN
Electric quadrupole moment	0.71 ±0.05 b

Point at nuclide Decay chain of Thulium-164

165TmThulium-165

Classification	z: 69; n: 96; m: 165
Half life	30.06 ±3 h
Natural abundance	synthetic nuclide
Spin/parity	1/2+
Decay modes	electron capture + β⁺ decay
Discovery	1953
Mass excess	-62,940 ±1.658 keV
Binding energy	8,125 ±0.0101 keV
Single-particle energy	4,276 ±1.497 keV
Neutron separation energy	9,092 ±25.05 keV
Q value for electron capture	1,591 ±1.895 keV
β⁻ decay energy	-2,635 ±26.59 keV
β⁻ decay energy with neutron	-9,990 ±15.18 keV
Magnetic dipole moment	-0.139 ±0.002 μN

Point at nuclide Decay chain of Thulium-165

166TmThulium-166

Classification	z: 69; n: 97; m: 166
Half life	7.7 ±3 h
Natural abundance	synthetic nuclide
Spin/parity	2+
Decay modes	electron capture + β⁺ decay
Discovery	1948
Mass excess	-61,890 ±11.55 keV
Binding energy	8,118 ±0.0696 keV
Single-particle energy	4,654 ±11.58 keV
Neutron separation energy	7,027 ±11.66 keV
Q value for electron capture	3,037 ±11.55 keV
β⁻ decay energy	-292.8 ±13.5 keV
β⁻ decay energy with neutron	-9,663 ±28.94 keV
Magnetic dipole moment	0.0926 ±7·10^-4 μN
Electric quadrupole moment	2.14 ±0.03 b

Point at nuclide Decay chain of Thulium-166

167TmThulium-167

Classification	z: 69; n: 98; m: 167
Half life	9.25 ±2 d
Natural abundance	synthetic nuclide
Spin/parity	1/2+
Decay modes	electron capture (EC)
Discovery	1948
Mass excess	-62,550 ±1.258 keV
Binding energy	8,122 ±0.0075 keV
Single-particle energy	4,907 ±1.249 keV
Neutron separation energy	8,727 ±11.61 keV
Q value for electron capture	746.1 ±1.29 keV
β⁻ decay energy	-1,954 ±3.796 keV
β⁻ decay energy with neutron	-9,021 ±7.112 keV
Magnetic dipole moment	-0.197 ±0.002 μN

Point at nuclide Decay chain of Thulium-167

168TmThulium-168

Classification	z: 69; n: 99; m: 168
Half life	93.1 ±2 d
Natural abundance	synthetic nuclide
Spin/parity	3+
Decay modes	electron capture + β⁺ decay; β⁻ decay
Discovery	1949
Mass excess	-61,320 ±1.677 keV
Binding energy	8,114 ±0.01 keV
Single-particle energy	5,312 ±1.68 keV
Neutron separation energy	6,840 ±1.809 keV
Q value for electron capture	1,676 ±1.697 keV
β⁻ decay energy	267.4 ±1.678 keV
β⁻ decay energy with neutron	-8,794 ±4.181 keV
Magnetic dipole moment	0.227 ±0.011 μN
Electric quadrupole moment	3.23 ±0.07 b

Point at nuclide Decay chain of Thulium-168

169TmThulium-169

Classification	z: 69; n: 100; m: 169
Half life	stable nuclide
Natural abundance	100 %
Spin/parity	1/2+
Discovery	1934
Mass excess	-61,280 ±0.738 keV
Binding energy	8,114 ±0.0044 keV
Single-particle energy	5,574 ±0.7573 keV
Neutron separation energy	8,033 ±1.504 keV
Q value for electron capture	-353.5 ±0.798 keV
β⁻ decay energy	-899.2 ±0.7563 keV
β⁻ decay energy with neutron	-7,767 ±0.7409 keV
Magnetic dipole moment	-0.231 ±0.0015 μN
Electric quadrupole moment	-1.2 ±0.1 b

Point at nuclide

170TmThulium-170

Classification	z: 69; n: 101; m: 170
Half life	128.6 ±3 d
Natural abundance	synthetic nuclide
Spin/parity	1-
Decay modes	β⁻ decay; electron capture (EC)
Discovery	1936
Mass excess	-59,800 ±0.732 keV
Binding energy	8,105 ±0.0043 keV
Single-particle energy	6,163 ±0.7676 keV
Neutron separation energy	6,591 ±0.169 keV
Q value for electron capture	312.2 ±1.5 keV
β⁻ decay energy	968.6 ±0.7319 keV
β⁻ decay energy with neutron	-7,492 ±0.7501 keV
Magnetic dipole moment	0.247 ±0.004 μN
Electric quadrupole moment	0.74 ±0.02 b

Point at nuclide Decay chain of Thulium-170

171TmThulium-171

Classification	z: 69; n: 102; m: 171
Half life	1.92 ±1 a
Natural abundance	synthetic nuclide
Spin/parity	1/2+
Decay modes	β⁻ decay
Discovery	1948
Mass excess	-59,220 ±0.972 keV
Binding energy	8,101 ±0.0057 keV
Single-particle energy	6,391 ±1.053 keV
Neutron separation energy	7,486 ±1.196 keV
Q value for electron capture	-1,493 ±1.711 keV
β⁻ decay energy	96.54 ±0.9715 keV
β⁻ decay energy with neutron	-6,518 ±0.9716 keV
Magnetic dipole moment	-0.23 ±0.004 μN

Point at nuclide Decay chain of Thulium-171

172TmThulium-172

Classification	z: 69; n: 103; m: 172
Half life	63.6 ±3 h
Natural abundance	synthetic nuclide
Spin/parity	2-
Decay modes	β⁻ decay
Discovery	1956
Mass excess	-57,380 ±5.481 keV
Binding energy	8,091 ±0.0319 keV
Single-particle energy	6,944 ±5.417 keV
Neutron separation energy	6,234 ±5.453 keV
Q value for electron capture	-891 ±6.763 keV
β⁻ decay energy	1,881 ±5.481 keV
β⁻ decay energy with neutron	-6,139 ±5.481 keV

Point at nuclide Decay chain of Thulium-172

173TmThulium-173

Classification	z: 69; n: 104; m: 173
Half life	8.24 ±8 h
Natural abundance	synthetic nuclide
Spin/parity	(1/2+)
Decay modes	β⁻ decay
Discovery	1961
Mass excess	-56,260 ±4.4 keV
Binding energy	8,084 ±0.0254 keV
Single-particle energy	7,062 ±5.92 keV
Neutron separation energy	6,953 ±7.028 keV
Q value for electron capture	-2,603 ±196 keV
β⁻ decay energy	1,295 ±4.4 keV
β⁻ decay energy with neutron	-5,072 ±4.4 keV

Point at nuclide Decay chain of Thulium-173

174TmThulium-174

Classification	z: 69; n: 105; m: 174
Half life	5.4 ±1 m
Natural abundance	synthetic nuclide
Spin/parity	(4)-
Decay modes	β⁻ decay
Discovery	1960
Mass excess	-53,870 ±44.72 keV
Binding energy	8,070 ±0.257 keV
Single-particle energy	7,499 ±201 keV
Neutron separation energy	5,679 ±44.93 keV
Q value for electron capture	-1,916 ±301.3 keV
β⁻ decay energy	3,080 ±44.72 keV
β⁻ decay energy with neutron	-4,385 ±44.72 keV

Point at nuclide Decay chain of Thulium-174

175TmThulium-175

Classification	z: 69; n: 106; m: 175
Half life	15.2 ±5 m
Natural abundance	synthetic nuclide
Spin/parity	(1/2+)
Decay modes	β⁻ decay
Discovery	1961
Mass excess	-52,320 ±50 keV
Binding energy	8,061 ±0.2857 keV
Single-particle energy	7,650 ±302 keV
Neutron separation energy	6,517 ±67.08 keV
Q value for electron capture	-3,659 ±404.1 keV
β⁻ decay energy	2,385 ±50 keV
β⁻ decay energy with neutron	-3,438 ±50 keV

Point at nuclide Decay chain of Thulium-175

176TmThulium-176

Classification	z: 69; n: 107; m: 176
Half life	1.85 ±3 m
Natural abundance	synthetic nuclide
Spin/parity	(4+)
Decay modes	β⁻ decay
Discovery	1961
Mass excess	-49,380 ±100 keV
Binding energy	8,045 ±0.5682 keV
Single-particle energy	8,008 ±413 keV
Neutron separation energy	5,132 ±111.8 keV
Q value for electron capture	-2,741 ±413.2 keV
β⁻ decay energy	4,120 ±100 keV
β⁻ decay energy with neutron	-2,748 ±100 keV

Point at nuclide Decay chain of Thulium-176

177TmThulium-177

Classification	z: 69; n: 108; m: 177
Half life	95 ±7 s
Natural abundance	synthetic nuclide
Spin/parity	(1/2+)
Decay modes	β⁻ decay
Discovery	1989
Mass excess	-47,570 ±200 keV
Binding energy	8,035 ±1 keV
Single-particle energy	8,228 ±448 keV
Neutron separation energy	6,270 ±224 keV
Q value for electron capture	-4,712 ±541.3 keV
β⁻ decay energy	3,417 ±200 keV
β⁻ decay energy with neutron	-2,150 ±200 keV

Point at nuclide Decay chain of Thulium-177

178TmThulium-178

Classification	z: 69; n: 109; m: 178
Half life	300 ns
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay
Discovery	2008
Mass excess	-44,240 ±300 keV
Binding energy	8,017 ±2 keV
Single-particle energy	8,671 ±586 keV
Neutron separation energy	4,742 ±361 keV
Q value for electron capture	-3,980 ±667.2 keV
β⁻ decay energy	5,437 ±300 keV
β⁻ decay energy with neutron	-1,325 ±300 keV

Point at nuclide Decay chain of Thulium-178

179TmThulium-179

Classification	z: 69; n: 110; m: 179
Half life	160 ns
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay
Discovery	2012
Mass excess	-41,900 ±400 keV
Binding energy	8,004 ±2 keV
Single-particle energy	8,929 ±718 keV
Neutron separation energy	5,731 ±500 keV
Q value for electron capture	-5,820 ±640.3 keV
β⁻ decay energy	4,739 ±447 keV
β⁻ decay energy with neutron	-295 ±400 keV

Point at nuclide Decay chain of Thulium-179

180TmThulium-180

Classification	z: 69; n: 111; m: 180
Half life	300 ns
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay
Discovery	2012
Mass excess	-38,170 ±400 keV
Binding energy	7,983 ±2 keV
Single-particle energy	9,379 ±640 keV
Neutron separation energy	4,341 ±565 keV
Q value for electron capture	-4,990 ±640.3 keV
β⁻ decay energy	6,550 ±500 keV
β⁻ decay energy with neutron	399 ±447 keV

Point at nuclide Decay chain of Thulium-180

181TmThulium-181

Classification	z: 69; n: 112; m: 181
Half life	160 ns
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	2012
Mass excess	-35,440 ±500 keV
Binding energy	7,969 ±3 keV
Single-particle energy	9,549 ±707 keV
Neutron separation energy	5,341 ±640 keV
β⁻ decay energy	5,649 ±582 keV
β⁻ decay energy with neutron	1,209 ±583 keV

Point at nuclide Decay chain of Thulium-181

Isotopes of Thulium

144TmThulium-144ads_clickcall_splitdownload

145TmThulium-145ads_clickcall_splitdownload

146TmThulium-146ads_clickcall_splitdownload

147TmThulium-147ads_clickcall_splitdownload

148TmThulium-148ads_clickcall_splitdownload

149TmThulium-149ads_clickcall_splitdownload

150TmThulium-150ads_clickcall_splitdownload

151TmThulium-151ads_clickcall_splitdownload

152TmThulium-152ads_clickcall_splitdownload

153TmThulium-153ads_clickcall_splitdownload

154TmThulium-154ads_clickcall_splitdownload

155TmThulium-155ads_clickcall_splitdownload

156TmThulium-156ads_clickcall_splitdownload

157TmThulium-157ads_clickcall_splitdownload

158TmThulium-158ads_clickcall_splitdownload

159TmThulium-159ads_clickcall_splitdownload

160TmThulium-160ads_clickcall_splitdownload

161TmThulium-161ads_clickcall_splitdownload

162TmThulium-162ads_clickcall_splitdownload

163TmThulium-163ads_clickcall_splitdownload

164TmThulium-164ads_clickcall_splitdownload

165TmThulium-165ads_clickcall_splitdownload

166TmThulium-166ads_clickcall_splitdownload

167TmThulium-167ads_clickcall_splitdownload

168TmThulium-168ads_clickcall_splitdownload

169TmThulium-169ads_clickdownload

170TmThulium-170ads_clickcall_splitdownload

171TmThulium-171ads_clickcall_splitdownload

172TmThulium-172ads_clickcall_splitdownload

173TmThulium-173ads_clickcall_splitdownload

174TmThulium-174ads_clickcall_splitdownload

175TmThulium-175ads_clickcall_splitdownload

176TmThulium-176ads_clickcall_splitdownload

177TmThulium-177ads_clickcall_splitdownload

178TmThulium-178ads_clickcall_splitdownload

179TmThulium-179ads_clickcall_splitdownload

180TmThulium-180ads_clickcall_splitdownload

181TmThulium-181ads_clickcall_splitdownload

144TmThulium-144

145TmThulium-145

146TmThulium-146

147TmThulium-147

148TmThulium-148

149TmThulium-149

150TmThulium-150

151TmThulium-151

152TmThulium-152

153TmThulium-153

154TmThulium-154

155TmThulium-155

156TmThulium-156

157TmThulium-157

158TmThulium-158

159TmThulium-159

160TmThulium-160

161TmThulium-161

162TmThulium-162

163TmThulium-163

164TmThulium-164

165TmThulium-165

166TmThulium-166

167TmThulium-167

168TmThulium-168

169TmThulium-169

170TmThulium-170

171TmThulium-171

172TmThulium-172

173TmThulium-173

174TmThulium-174

175TmThulium-175

176TmThulium-176

177TmThulium-177

178TmThulium-178

179TmThulium-179

180TmThulium-180

181TmThulium-181