Isotopes of Barium

List of known isotopes of the element Barium.

Isotope	t½	%	Spin/parity	Radius	Isotopic mass	Discovery
¹¹⁴Ba	0.43 ± s	syn.	0+	—	1.139·10⁸ ±110.2 keV/c²	1995
¹¹⁵Ba	0.45 ±5 s	syn.	(5/2+)	—	1.149·10⁸ ±215 keV/c²	1997
¹¹⁶Ba	1.3 ±2 s	syn.	0+	—	1.159·10⁸ ±215 keV/c²	1997
¹¹⁷Ba	1.75 ±7 s	syn.	(3/2)	—	1.169·10⁸ ±268.7 keV/c²	1977
¹¹⁸Ba	5.5 ±2 s	syn.	0+	—	1.179·10⁸ ±215 keV/c²	1997
¹¹⁹Ba	5.4 ±3 s	syn.	(5/2+)	—	1.189·10⁸ ±214.9 keV/c²	1974
¹²⁰Ba	24 ±2 s	syn.	0+	4.809 ±0.0058 fm	1.199·10⁸ ±322.2 keV/c²	1974
¹²¹Ba	29.7 ±15 s	syn.	5/2(+)	4.817 ±0.0052 fm	1.209·10⁸ ±152.3 keV/c²	1975
¹²²Ba	1.95 ±15 m	syn.	0+	4.815 ±0.0054 fm	1.219·10⁸ ±30 keV/c²	1974
¹²³Ba	2.4 ±4 m	syn.	5/2(+)	4.813 ±0.0055 fm	1.229·10⁸ ±13 keV/c²	1962
¹²⁴Ba	11 ±5 m	syn.	0+	4.818 ±0.0052 fm	1.239·10⁸ ±13.41 keV/c²	1967
¹²⁵Ba	3.3 ±3 m	syn.	1/2(+)	4.817 ±0.0052 fm	1.249·10⁸ ±11.8 keV/c²	1968
¹²⁶Ba	100 ±2 m	syn.	0+	4.822 ±0.005 fm	1.259·10⁸ ±13.41 keV/c²	1954
¹²⁷Ba	12.7 ±4 m	syn.	1/2+	4.82 ±0.0051 fm	1.269·10⁸ ±12.19 keV/c²	1952
¹²⁸Ba	2.43 ±5 d	syn.	0+	4.825 ±0.0048 fm	1.279·10⁸ ±1.728 keV/c²	1950
¹²⁹Ba	2.23 ±11 h	syn.	1/2+	4.824 ±0.0049 fm	1.289·10⁸ ±11.27 keV/c²	1950
¹³⁰Ba	stab.	0.11 ±0.01 %	0+	4.828 ±0.0047 fm	1.299·10⁸ ±0.308 keV/c²	1936
¹³¹Ba	11.5 ±6 d	syn.	1/2+	4.827 ±0.0048 fm	1.309·10⁸ ±0.445 keV/c²	1947
¹³²Ba	3·10²¹ a	0.1 ±0.01 %	0+	4.83 ±0.0047 fm	1.319·10⁸ ±1.13 keV/c²	1936
¹³³Ba	10.55 ±11 a	syn.	1/2+	4.828 ±0.0047 fm	1.329·10⁸ ±1.065 keV/c²	1941
¹³⁴Ba	stab.	2.42 ±0.15 %	0+	4.832 ±0.0047 fm	1.339·10⁸ ±0.269 keV/c²	1936
¹³⁵Ba	stab.	6.59 ±0.1 %	3/2+	4.829 ±0.0047 fm	1.349·10⁸ ±0.263 keV/c²	1932
¹³⁶Ba	stab.	7.85 ±0.24 %	0+	4.833 ±0.0046 fm	1.359·10⁸ ±0.262 keV/c²	1932
¹³⁷Ba	stab.	11.23 ±0.23 %	3/2+	4.831 ±0.0047 fm	1.369·10⁸ ±0.266 keV/c²	1932
¹³⁸Ba	stab.	71.7 ±0.29 %	0+	4.837 ±0.0046 fm	1.379·10⁸ ±0.267 keV/c²	1925
¹³⁹Ba	82.93 ±9 m	syn.	7/2-	4.851 ±0.0049 fm	1.389·10⁸ ±0.271 keV/c²	1937
¹⁴⁰Ba	12.75 ±4 d	syn.	0+	4.868 ±0.0059 fm	1.399·10⁸ ±8.48 keV/c²	1939
¹⁴¹Ba	18.27 ±7 m	syn.	3/2-	4.88 ±0.0069 fm	1.409·10⁸ ±5.709 keV/c²	1945
¹⁴²Ba	10.6 ±2 m	syn.	0+	4.895 ±0.0083 fm	1.419·10⁸ ±6.355 keV/c²	1959
¹⁴³Ba	14.5 ±3 s	syn.	5/2-	4.908 ±0.0096 fm	1.429·10⁸ ±7.253 keV/c²	1962
¹⁴⁴Ba	11.5 ±2 s	syn.	0+	4.923 ±0.0112 fm	1.439·10⁸ ±7.661 keV/c²	1967
¹⁴⁵Ba	4.31 ±16 s	syn.	5/2-	4.934 ±0.0123 fm	1.449·10⁸ ±9.1 keV/c²	1974
¹⁴⁶Ba	2.21 ±6 s	syn.	0+	4.947 ±0.0138 fm	1.459·10⁸ ±1.9 keV/c²	1970
¹⁴⁷Ba	0.894 ±7 s	syn.	(5/2-)	—	1.469·10⁸ ±21.2 keV/c²	1978
¹⁴⁸Ba	0.612 ±17 s	syn.	0+	4.973 ±0.0167 fm	1.479·10⁸ ±1.6 keV/c²	1979
¹⁴⁹Ba	352 ±6 ms	syn.	(5/2- 3/2-)	—	1.489·10⁸ ±2.7 keV/c²	1993
¹⁵⁰Ba	0.259 ±5 s	syn.	0+	—	1.499·10⁸ ±6.1 keV/c²	1994
¹⁵¹Ba	0.167 ±5 s	syn.	—	—	1.509·10⁸ ±429 keV/c²	1994
¹⁵²Ba	0.139 ±8 s	syn.	0+	—	1.519·10⁸ ±429 keV/c²	2010
¹⁵³Ba	0.116 ±52 s	syn.	—	—	1.529·10⁸ ±429 keV/c²	2016
¹⁵⁴Ba	53 ±48 ms	syn.	0+	—	1.539·10⁸ ±537 keV/c²	2017

114BaBarium-114

Classification	z: 56; n: 58; m: 114
Half life	0.43 ± s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay; electron capture + proton emission; α decay
Discovery	1995
Mass excess	-45,910 ±102.6 keV
Binding energy	8,089 ±0.9007 keV
Single-particle energy	1,429 ±103 keV
Neutron separation energy	14,260 ±317 keV
Q value for electron capture	8,780 ±133.3 keV

Point at nuclide Decay chain of Barium-114

115BaBarium-115

Classification	z: 56; n: 59; m: 115
Half life	0.45 ±5 s
Natural abundance	synthetic nuclide
Spin/parity	(5/2+)
Decay modes	electron capture + β⁺ decay; β⁺ decay + proton emission
Discovery	1997
Mass excess	-48,920 ±200 keV
Binding energy	8,116 ±2 keV
Single-particle energy	1,523 ±218 keV
Neutron separation energy	11,080 ±225 keV
Q value for electron capture	10,770 ±224.5 keV

Point at nuclide Decay chain of Barium-115

116BaBarium-116

Classification	z: 56; n: 60; m: 116
Half life	1.3 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay; β⁺ decay + proton emission
Discovery	1997
Mass excess	-54,380 ±200 keV
Binding energy	8,162 ±2 keV
Single-particle energy	1,969 ±225 keV
Neutron separation energy	13,530 ±283 keV
Q value for electron capture	7,663 ±223.6 keV
β⁻ decay energy	-14,330 ±379 keV

Point at nuclide Decay chain of Barium-116

117BaBarium-117

Classification	z: 56; n: 61; m: 117
Half life	1.75 ±7 s
Natural abundance	synthetic nuclide
Spin/parity	(3/2)
Decay modes	electron capture + β⁺ decay; β⁺ decay + proton emission; β⁺ decay + α decay
Discovery	1977
Mass excess	-57,460 ±250.3 keV
Binding energy	8,187 ±2.139 keV
Single-particle energy	2,704 ±270 keV
Neutron separation energy	11,150 ±321 keV
Q value for electron capture	9,035 ±258 keV
β⁻ decay energy	-11,190 ±321 keV
β⁻ decay energy with neutron	-25,480 ±407 keV

Point at nuclide Decay chain of Barium-117

118BaBarium-118

Classification	z: 56; n: 62; m: 118
Half life	5.5 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay; electron capture + proton emission
Discovery	1997
Mass excess	-62,200 ±200 keV
Binding energy	8,227 ±2 keV
Single-particle energy	2,995 ±210 keV
Neutron separation energy	12,810 ±321 keV
Q value for electron capture	6,209 ±200.4 keV
β⁻ decay energy	-12,580 ±361 keV
β⁻ decay energy with neutron	-24,000 ±283 keV

Point at nuclide Decay chain of Barium-118

119BaBarium-119

Classification	z: 56; n: 63; m: 119
Half life	5.4 ±3 s
Natural abundance	synthetic nuclide
Spin/parity	(5/2+)
Decay modes	electron capture + β⁺ decay; electron capture + proton emission
Discovery	1974
Mass excess	-64,600 ±200.2 keV
Binding energy	8,245 ±1.682 keV
Single-particle energy	3,469 ±200.6 keV
Neutron separation energy	10,460 ±283 keV
Q value for electron capture	7,714 ±200.7 keV
β⁻ decay energy	-9,570 ±361 keV
β⁻ decay energy with neutron	-23,050 ±361 keV

Point at nuclide Decay chain of Barium-119

120BaBarium-120

Classification	z: 56; n: 64; m: 120
Half life	24 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay
Discovery	1974
Mass excess	-68,890 ±300.1 keV
Binding energy	8,280 ±2.501 keV
Single-particle energy	3,872 ±300.4 keV
Neutron separation energy	12,360 ±360.8 keV
Q value for electron capture	5,000 ±300.3 keV
β⁻ decay energy	-11,320 ±424 keV
β⁻ decay energy with neutron	-21,940 ±424 keV

Point at nuclide Decay chain of Barium-120

121BaBarium-121

Classification	z: 56; n: 65; m: 121
Half life	29.7 ±15 s
Natural abundance	synthetic nuclide
Spin/parity	5/2(+)
Decay modes	electron capture + β⁺ decay
Discovery	1975
Mass excess	-70,750 ±141.8 keV
Binding energy	8,293 ±1.172 keV
Single-particle energy	4,145 ±142.2 keV
Neutron separation energy	9,927 ±332 keV
Q value for electron capture	6,357 ±142.6 keV
β⁻ decay energy	-8,555 ±332 keV
β⁻ decay energy with neutron	-21,250 ±332 keV
Magnetic dipole moment	0.66 ±0.001 μN
Electric quadrupole moment	1.89 ±0.13 b

Point at nuclide Decay chain of Barium-121

122BaBarium-122

Classification	z: 56; n: 66; m: 122
Half life	1.95 ±15 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay
Discovery	1974
Mass excess	-74,610 ±27.94 keV
Binding energy	8,323 ±0.2291 keV
Single-particle energy	4,795 ±31.38 keV
Neutron separation energy	11,930 ±144.6 keV
Q value for electron capture	3,535 ±43.76 keV
β⁻ decay energy	-10,070 ±299 keV
β⁻ decay energy with neutron	-20,490 ±301 keV

Point at nuclide Decay chain of Barium-122

123BaBarium-123

Classification	z: 56; n: 67; m: 123
Half life	2.4 ±4 m
Natural abundance	synthetic nuclide
Spin/parity	5/2(+)
Decay modes	electron capture + β⁺ decay
Discovery	1962
Mass excess	-75,660 ±12.1 keV
Binding energy	8,330 ±0.0985 keV
Single-particle energy	4,799 ±35.79 keV
Neutron separation energy	9,117 ±30.45 keV
Q value for electron capture	5,388 ±17.12 keV
β⁻ decay energy	-7,004 ±196 keV
β⁻ decay energy with neutron	-19,190 ±298 keV
Electric quadrupole moment	1.57 ±0.13 b

Point at nuclide Decay chain of Barium-123

124BaBarium-124

Classification	z: 56; n: 68; m: 124
Half life	11 ±5 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay
Discovery	1967
Mass excess	-79,090 ±12.49 keV
Binding energy	8,355 ±0.1008 keV
Single-particle energy	5,335 ±17.4 keV
Neutron separation energy	11,500 ±17.4 keV
Q value for electron capture	2,651 ±15.48 keV
β⁻ decay energy	-8,832 ±58.03 keV
β⁻ decay energy with neutron	-18,510 ±196 keV

Point at nuclide Decay chain of Barium-124

125BaBarium-125

Classification	z: 56; n: 69; m: 125
Half life	3.3 ±3 m
Natural abundance	synthetic nuclide
Spin/parity	1/2(+)
Decay modes	electron capture + β⁺ decay
Discovery	1968
Mass excess	-79,670 ±10.99 keV
Binding energy	8,358 ±0.0879 keV
Single-particle energy	5,216 ±14.3 keV
Neutron separation energy	8,650 ±16.64 keV
Q value for electron capture	4,420 ±13.44 keV
β⁻ decay energy	-5,910 ±27.63 keV
β⁻ decay energy with neutron	-17,490 ±57.72 keV
Magnetic dipole moment	0.177 ±0.012 μN

Point at nuclide Decay chain of Barium-125

126BaBarium-126

Classification	z: 56; n: 70; m: 126
Half life	100 ±2 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay
Discovery	1954
Mass excess	-82,670 ±12.49 keV
Binding energy	8,379 ±0.0992 keV
Single-particle energy	5,869 ±14.69 keV
Neutron separation energy	11,070 ±16.64 keV
Q value for electron capture	1,680 ±16.23 keV
β⁻ decay energy	-7,697 ±91.36 keV
β⁻ decay energy with neutron	-16,990 ±28.84 keV

Point at nuclide Decay chain of Barium-126

127BaBarium-127

Classification	z: 56; n: 71; m: 127
Half life	12.7 ±4 m
Natural abundance	synthetic nuclide
Spin/parity	1/2+
Decay modes	electron capture + β⁺ decay
Discovery	1952
Mass excess	-82,820 ±11.35 keV
Binding energy	8,378 ±0.0894 keV
Single-particle energy	5,756 ±15.37 keV
Neutron separation energy	8,219 ±16.88 keV
Q value for electron capture	3,422 ±12.65 keV
β⁻ decay energy	-4,922 ±27.74 keV
β⁻ decay energy with neutron	-15,920 ±91.21 keV
Magnetic dipole moment	0.0834 ±0.001 μN
Electric quadrupole moment	1.71 ±0.14 b

Point at nuclide Decay chain of Barium-127

128BaBarium-128

Classification	z: 56; n: 72; m: 128
Half life	2.43 ±5 d
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture (EC)
Discovery	1950
Mass excess	-85,370 ±1.61 keV
Binding energy	8,395 ±0.0126 keV
Single-particle energy	6,418 ±5.805 keV
Neutron separation energy	10,620 ±11.47 keV
Q value for electron capture	562.6 ±5.612 keV
β⁻ decay energy	-6,744 ±54.47 keV
β⁻ decay energy with neutron	-15,550 ±26.04 keV

Point at nuclide Decay chain of Barium-128

129BaBarium-129

Classification	z: 56; n: 73; m: 129
Half life	2.23 ±11 h
Natural abundance	synthetic nuclide
Spin/parity	1/2+
Decay modes	electron capture + β⁺ decay
Discovery	1950
Mass excess	-85,070 ±10.5 keV
Binding energy	8,391 ±0.0814 keV
Single-particle energy	6,418 ±11.79 keV
Neutron separation energy	7,763 ±10.61 keV
Q value for electron capture	2,438 ±11.44 keV
β⁻ decay energy	-3,738 ±21.62 keV
β⁻ decay energy with neutron	-14,510 ±55.45 keV
Magnetic dipole moment	-0.398 ±0.016 μN

Point at nuclide Decay chain of Barium-129

130BaBarium-130

Classification	z: 56; n: 74; m: 130
Half life	stable nuclide
Natural abundance	0.11 ±0.01 %
Spin/parity	0+
Discovery	1936
Mass excess	-87,260 ±0.287 keV
Binding energy	8,405 ±0.0022 keV
Single-particle energy	7,046 ±4.561 keV
Neutron separation energy	10,260 ±10.5 keV
Q value for electron capture	-357.1 ±8.362 keV
β⁻ decay energy	-5,630 ±25.94 keV
β⁻ decay energy with neutron	-14,010 ±21.34 keV

Point at nuclide

131BaBarium-131

Classification	z: 56; n: 75; m: 131
Half life	11.5 ±6 d
Natural abundance	synthetic nuclide
Spin/parity	1/2+
Decay modes	electron capture + β⁺ decay
Discovery	1947
Mass excess	-86,680 ±0.415 keV
Binding energy	8,398 ±0.0032 keV
Single-particle energy	7,068 ±8.367 keV
Neutron separation energy	7,493 ±0.3 keV
Q value for electron capture	1,376 ±0.451 keV
β⁻ decay energy	-2,910 ±27.94 keV
β⁻ decay energy with neutron	-13,130 ±25.94 keV
Magnetic dipole moment	0.7083 ±2·10^-4 μN

Point at nuclide Decay chain of Barium-131

132BaBarium-132

Classification	z: 56; n: 76; m: 132
Half life	3·10²¹ a
Natural abundance	0.1 ±0.01 %
Spin/parity	0+
Decay modes	double β⁺ decay
Discovery	1936
Mass excess	-88,440 ±1.053 keV
Binding energy	8,409 ±0.008 keV
Single-particle energy	7,668 ±1.068 keV
Neutron separation energy	9,827 ±1.13 keV
Q value for electron capture	-1,283 ±1.47 keV
β⁻ decay energy	-4,712 ±36.35 keV
β⁻ decay energy with neutron	-12,740 ±27.96 keV
Magnetic dipole moment	-1.59 ±0.05 μN

Point at nuclide Decay chain of Barium-132

133BaBarium-133

Classification	z: 56; n: 77; m: 133
Half life	10.55 ±11 a
Natural abundance	synthetic nuclide
Spin/parity	1/2+
Decay modes	electron capture (EC)
Discovery	1941
Mass excess	-87,560 ±0.992 keV
Binding energy	8,400 ±0.0075 keV
Single-particle energy	7,689 ±1.434 keV
Neutron separation energy	7,189 ±0.3596 keV
Q value for electron capture	517.4 ±0.992 keV
β⁻ decay energy	-2,060 ±27.96 keV
β⁻ decay energy with neutron	-11,910 ±36.35 keV
Magnetic dipole moment	0.7719 ±2·10^-4 μN
Electric quadrupole moment	0.92 ±0.06 b

Point at nuclide Decay chain of Barium-133

134BaBarium-134

Classification	z: 56; n: 78; m: 134
Half life	stable nuclide
Natural abundance	2.42 ±0.15 %
Spin/parity	0+
Discovery	1936
Mass excess	-88,960 ±0.251 keV
Binding energy	8,408 ±0.0019 keV
Single-particle energy	8,168 ±0.2507 keV
Neutron separation energy	9,467 ±1.023 keV
Q value for electron capture	-2,059 ±0.252 keV
β⁻ decay energy	-3,732 ±19.93 keV
β⁻ decay energy with neutron	-11,530 ±27.94 keV

Point at nuclide

135BaBarium-135

Classification	z: 56; n: 79; m: 135
Half life	stable nuclide
Natural abundance	6.59 ±0.1 %
Spin/parity	3/2+
Discovery	1932
Mass excess	-87,860 ±0.245 keV
Binding energy	8,397 ±0.0018 keV
Single-particle energy	8,248 ±0.2455 keV
Neutron separation energy	6,971 ±0.0999 keV
Q value for electron capture	-268.7 ±0.439 keV
β⁻ decay energy	-1,208 ±9.429 keV
β⁻ decay energy with neutron	-10,710 ±19.93 keV
Magnetic dipole moment	0.8381 ±2·10^-4 μN
Electric quadrupole moment	0.153 ±0.002 b

Point at nuclide

136BaBarium-136

Classification	z: 56; n: 80; m: 136
Half life	stable nuclide
Natural abundance	7.85 ±0.24 %
Spin/parity	0+
Discovery	1932
Mass excess	-88,890 ±0.245 keV
Binding energy	8,402 ±0.0018 keV
Single-particle energy	8,594 ±0.2886 keV
Neutron separation energy	9,107 ±0.039 keV
Q value for electron capture	-2,549 ±1.889 keV
β⁻ decay energy	-2,850 ±53.17 keV
β⁻ decay energy with neutron	-10,320 ±9.43 keV
Magnetic dipole moment	-1.9 ±0.2 μN
Electric quadrupole moment	-0.19 ±0.06 b

Point at nuclide

137BaBarium-137

Classification	z: 56; n: 81; m: 137
Half life	stable nuclide
Natural abundance	11.23 ±0.23 %
Spin/parity	3/2+
Discovery	1932
Mass excess	-87,730 ±0.248 keV
Binding energy	8,391 ±0.0018 keV
Single-particle energy	8,671 ±1.858 keV
Neutron separation energy	6,905 ±0.0687 keV
Q value for electron capture	-1,176 ±0.391 keV
β⁻ decay energy	-580.6 ±1.623 keV
β⁻ decay energy with neutron	-9,756 ±53.17 keV
Magnetic dipole moment	0.9375 ±2·10^-4 μN
Electric quadrupole moment	0.236 ±0.003 b

Point at nuclide

138BaBarium-138

Classification	z: 56; n: 82; m: 138
Half life	stable nuclide
Natural abundance	71.7 ±0.29 %
Spin/parity	0+
Discovery	1925
Mass excess	-88,270 ±0.249 keV
Binding energy	8,393 ±0.0018 keV
Single-particle energy	9,005 ±0.1768 keV
Neutron separation energy	8,611 ±0.0399 keV
Q value for electron capture	-5,375 ±9.161 keV
β⁻ decay energy	-1,749 ±0.3384 keV
β⁻ decay energy with neutron	-9,193 ±1.623 keV
Magnetic dipole moment	5.9 ±1.2 μN

Point at nuclide

139BaBarium-139

Classification	z: 56; n: 83; m: 139
Half life	82.93 ±9 m
Natural abundance	synthetic nuclide
Spin/parity	7/2-
Decay modes	β⁻ decay
Discovery	1937
Mass excess	-84,920 ±0.253 keV
Binding energy	8,367 ±0.0018 keV
Single-particle energy	9,315 ±9.158 keV
Neutron separation energy	4,723 ±0.04 keV
Q value for electron capture	-4,213 ±3.14 keV
β⁻ decay energy	2,308 ±0.6571 keV
β⁻ decay energy with neutron	-6,472 ±0.3408 keV
Magnetic dipole moment	-0.973 ±0.005 μN
Electric quadrupole moment	-0.552 ±0.013 b

Point at nuclide Decay chain of Barium-139

140BaBarium-140

Classification	z: 56; n: 84; m: 140
Half life	12.75 ±4 d
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	1939
Mass excess	-83,270 ±7.9 keV
Binding energy	8,353 ±0.0564 keV
Single-particle energy	9,855 ±8.498 keV
Neutron separation energy	6,425 ±7.903 keV
Q value for electron capture	-6,219 ±11.38 keV
β⁻ decay energy	1,044 ±7.905 keV
β⁻ decay energy with neutron	-4,117 ±7.905 keV
Electric quadrupole moment	-0.5 ±0.3 b

Point at nuclide Decay chain of Barium-140

141BaBarium-141

Classification	z: 56; n: 85; m: 141
Half life	18.27 ±7 m
Natural abundance	synthetic nuclide
Spin/parity	3/2-
Decay modes	β⁻ decay
Discovery	1945
Mass excess	-79,740 ±5.318 keV
Binding energy	8,326 ±0.0377 keV
Single-particle energy	9,971 ±9.754 keV
Neutron separation energy	4,535 ±9.448 keV
Q value for electron capture	-5,256 ±10.62 keV
β⁻ decay energy	3,197 ±6.551 keV
β⁻ decay energy with neutron	-3,492 ±5.35 keV
Magnetic dipole moment	-0.337 ±0.005 μN
Electric quadrupole moment	0.437 ±0.01 b

Point at nuclide Decay chain of Barium-141

142BaBarium-142

Classification	z: 56; n: 86; m: 142
Half life	10.6 ±2 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	1959
Mass excess	-77,850 ±5.92 keV
Binding energy	8,310 ±0.0417 keV
Single-particle energy	10,650 ±10.93 keV
Neutron separation energy	6,181 ±7.958 keV
Q value for electron capture	-7,328 ±9.219 keV
β⁻ decay energy	2,181 ±8.375 keV
β⁻ decay energy with neutron	-2,984 ±7.211 keV
Magnetic dipole moment	0.85 ±0.1 μN

Point at nuclide Decay chain of Barium-142

143BaBarium-143

Classification	z: 56; n: 87; m: 143
Half life	14.5 ±3 s
Natural abundance	synthetic nuclide
Spin/parity	5/2-
Decay modes	β⁻ decay
Discovery	1962
Mass excess	-73,940 ±6.756 keV
Binding energy	8,281 ±0.0472 keV
Single-particle energy	10,710 ±9.776 keV
Neutron separation energy	4,166 ±8.983 keV
Q value for electron capture	-6,262 ±10.14 keV
β⁻ decay energy	4,234 ±9.968 keV
β⁻ decay energy with neutron	-1,985 ±9.228 keV
Magnetic dipole moment	0.443 ±0.011 μN
Electric quadrupole moment	-0.85 ±0.02 b

Point at nuclide Decay chain of Barium-143

144BaBarium-144

Classification	z: 56; n: 88; m: 144
Half life	11.5 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	1967
Mass excess	-71,770 ±7.136 keV
Binding energy	8,265 ±0.0496 keV
Single-particle energy	11,380 ±10.4 keV
Neutron separation energy	5,901 ±9.827 keV
Q value for electron capture	-8,496 ±21.35 keV
β⁻ decay energy	3,082 ±14.77 keV
β⁻ decay energy with neutron	-1,667 ±10.22 keV
Magnetic dipole moment	0.68 ±0.1 μN

Point at nuclide Decay chain of Barium-144

145BaBarium-145

Classification	z: 56; n: 89; m: 145
Half life	4.31 ±16 s
Natural abundance	synthetic nuclide
Spin/parity	5/2-
Decay modes	β⁻ decay
Discovery	1974
Mass excess	-67,520 ±8.477 keV
Binding energy	8,234 ±0.0585 keV
Single-particle energy	11,530 ±21.84 keV
Neutron separation energy	3,820 ±11.08 keV
Q value for electron capture	-7,462 ±12.41 keV
β⁻ decay energy	5,319 ±14.91 keV
β⁻ decay energy with neutron	-737.9 ±15.46 keV
Magnetic dipole moment	-0.285 ±0.007 μN
Electric quadrupole moment	1.18 ±0.02 b

Point at nuclide Decay chain of Barium-145

146BaBarium-146

Classification	z: 56; n: 90; m: 146
Half life	2.21 ±6 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	1970
Mass excess	-64,870 ±1.77 keV
Binding energy	8,215 ±0.0121 keV
Single-particle energy	12,100 ±9.238 keV
Neutron separation energy	5,421 ±8.659 keV
Q value for electron capture	-9,556 ±3.392 keV
β⁻ decay energy	4,354 ±2.436 keV
β⁻ decay energy with neutron	-102.3 ±12.39 keV

Point at nuclide Decay chain of Barium-146

147BaBarium-147

Classification	z: 56; n: 91; m: 147
Half life	0.894 ±7 s
Natural abundance	synthetic nuclide
Spin/parity	(5/2-)
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1978
Mass excess	-60,270 ±19.74 keV
Binding energy	8,183 ±0.1343 keV
Single-particle energy	12,240 ±19.95 keV
Neutron separation energy	3,469 ±19.82 keV
Q value for electron capture	-8,344 ±21.45 keV
β⁻ decay energy	6,414 ±22.46 keV
β⁻ decay energy with neutron	885.8 ±19.81 keV

Point at nuclide Decay chain of Barium-147

148BaBarium-148

Classification	z: 56; n: 92; m: 148
Half life	0.612 ±17 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1979
Mass excess	-57,550 ±1.49 keV
Binding energy	8,164 ±0.0101 keV
Single-particle energy	12,910 ±8.514 keV
Neutron separation energy	5,352 ±19.8 keV
Q value for electron capture	-10,640 ±13.12 keV
β⁻ decay energy	5,163 ±19.52 keV
β⁻ decay energy with neutron	1,062 ±10.81 keV

Point at nuclide Decay chain of Barium-148

149BaBarium-149

Classification	z: 56; n: 93; m: 149
Half life	352 ±6 ms
Natural abundance	synthetic nuclide
Spin/parity	(5/2- 3/2-)
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1993
Mass excess	-52,840 ±2.515 keV
Binding energy	8,131 ±0.0169 keV
Single-particle energy	13,200 ±13.28 keV
Neutron separation energy	3,357 ±2.923 keV
Q value for electron capture	-9,531 ±400 keV
β⁻ decay energy	7,389 ±200.2 keV
β⁻ decay energy with neutron	1,806 ±19.63 keV

Point at nuclide Decay chain of Barium-149

150BaBarium-150

Classification	z: 56; n: 94; m: 150
Half life	0.259 ±5 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1994
Mass excess	-49,890 ±5.682 keV
Binding energy	8,111 ±0.0379 keV
Single-particle energy	13,870 ±400 keV
Neutron separation energy	5,130 ±6.213 keV
Q value for electron capture	-11,720 ±400 keV
β⁻ decay energy	6,421 ±6.213 keV
β⁻ decay energy with neutron	2,258 ±200.3 keV

Point at nuclide Decay chain of Barium-150

151BaBarium-151

Classification	z: 56; n: 95; m: 151
Half life	0.167 ±5 s
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1994
Mass excess	-44,940 ±400 keV
Binding energy	8,079 ±3 keV
Single-particle energy	14,050 ±565 keV
Neutron separation energy	3,121 ±400 keV
Q value for electron capture	-10,660 ±640.3 keV
β⁻ decay energy	8,370 ±591 keV
β⁻ decay energy with neutron	3,300 ±400 keV

Point at nuclide Decay chain of Barium-151

152BaBarium-152

Classification	z: 56; n: 96; m: 152
Half life	0.139 ±8 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	2010
Mass excess	-41,610 ±400 keV
Binding energy	8,057 ±3 keV
Single-particle energy	14,610 ±640 keV
Neutron separation energy	4,741 ±565 keV
Q value for electron capture	-12,480 ±640.3 keV
β⁻ decay energy	7,680 ±500 keV
β⁻ decay energy with neutron	3,629 ±591 keV

Point at nuclide Decay chain of Barium-152

153BaBarium-153

Classification	z: 56; n: 97; m: 153
Half life	0.116 ±52 s
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	2016
Mass excess	-36,470 ±400 keV
Binding energy	8,023 ±3 keV
Single-particle energy	14,620 ±640 keV
Neutron separation energy	2,931 ±565 keV
β⁻ decay energy	9,590 ±500 keV
β⁻ decay energy with neutron	4,749 ±500 keV

Point at nuclide Decay chain of Barium-153

154BaBarium-154

Classification	z: 56; n: 98; m: 154
Half life	53 ±48 ms
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	2017
Mass excess	-32,920 ±500 keV
Binding energy	8,001 ±3 keV
Neutron separation energy	4,521 ±640 keV
β⁻ decay energy	8,610 ±583 keV
β⁻ decay energy with neutron	5,068 ±583 keV

Point at nuclide Decay chain of Barium-154

Isotopes of Barium

114BaBarium-114ads_clickcall_splitdownload

115BaBarium-115ads_clickcall_splitdownload

116BaBarium-116ads_clickcall_splitdownload

117BaBarium-117ads_clickcall_splitdownload

118BaBarium-118ads_clickcall_splitdownload

119BaBarium-119ads_clickcall_splitdownload

120BaBarium-120ads_clickcall_splitdownload

121BaBarium-121ads_clickcall_splitdownload

122BaBarium-122ads_clickcall_splitdownload

123BaBarium-123ads_clickcall_splitdownload

124BaBarium-124ads_clickcall_splitdownload

125BaBarium-125ads_clickcall_splitdownload

126BaBarium-126ads_clickcall_splitdownload

127BaBarium-127ads_clickcall_splitdownload

128BaBarium-128ads_clickcall_splitdownload

129BaBarium-129ads_clickcall_splitdownload

130BaBarium-130ads_clickdownload

131BaBarium-131ads_clickcall_splitdownload

132BaBarium-132ads_clickcall_splitdownload

133BaBarium-133ads_clickcall_splitdownload

134BaBarium-134ads_clickdownload

135BaBarium-135ads_clickdownload

136BaBarium-136ads_clickdownload

137BaBarium-137ads_clickdownload

138BaBarium-138ads_clickdownload

139BaBarium-139ads_clickcall_splitdownload

140BaBarium-140ads_clickcall_splitdownload

141BaBarium-141ads_clickcall_splitdownload

142BaBarium-142ads_clickcall_splitdownload

143BaBarium-143ads_clickcall_splitdownload

144BaBarium-144ads_clickcall_splitdownload

145BaBarium-145ads_clickcall_splitdownload

146BaBarium-146ads_clickcall_splitdownload

147BaBarium-147ads_clickcall_splitdownload

148BaBarium-148ads_clickcall_splitdownload

149BaBarium-149ads_clickcall_splitdownload

150BaBarium-150ads_clickcall_splitdownload

151BaBarium-151ads_clickcall_splitdownload

152BaBarium-152ads_clickcall_splitdownload

153BaBarium-153ads_clickcall_splitdownload

154BaBarium-154ads_clickcall_splitdownload

114BaBarium-114

115BaBarium-115

116BaBarium-116

117BaBarium-117

118BaBarium-118

119BaBarium-119

120BaBarium-120

121BaBarium-121

122BaBarium-122

123BaBarium-123

124BaBarium-124

125BaBarium-125

126BaBarium-126

127BaBarium-127

128BaBarium-128

129BaBarium-129

130BaBarium-130

131BaBarium-131

132BaBarium-132

133BaBarium-133

134BaBarium-134

135BaBarium-135

136BaBarium-136

137BaBarium-137

138BaBarium-138

139BaBarium-139

140BaBarium-140

141BaBarium-141

142BaBarium-142

143BaBarium-143

144BaBarium-144

145BaBarium-145

146BaBarium-146

147BaBarium-147

148BaBarium-148

149BaBarium-149

150BaBarium-150

151BaBarium-151

152BaBarium-152

153BaBarium-153

154BaBarium-154