Isotope

Isotopic Mass

amu

% Abundance

T_1/2

T_1/2

Units

Mass Excess

KeV

Binding Energy

Per Nucleon

KeV

Decay

Mode

Branching

Ratio

¹¹⁴Ba

113.95068 (15)

530

ms

-45,950 (140)

8,090 (1.2)

B+~100

¹¹⁵Ba

114.94737 (64)

450

ms

-49,030 (600)

8,117 (5)

B+

100

¹¹⁶Ba

115.94138 (43)

1.3

s

-54,600 (400)

8,164 (3)

B+

100

¹¹⁷Ba

116.93850 (32)

1.75

s

-57,290 (300)

8,186 (3)

B+

100

¹¹⁸Ba

117.93304 (21)

5.2

s

-62,370 (200)

8,229 (2)

B+

100

¹¹⁹Ba

118.93066 (21)

5.4

s

-64,590 (200)

8,246 (1.7)

B+

100

¹²⁰Ba

119.92604 (32)

24

s

-68,890 (300)

8,280 (2.5)

B+

100

¹²¹Ba

120.92405 (15)

29.7

s

-70,740 (140)

8,294 (1.2)

B+

100

¹²²Ba

121.919904 (30)

1.95

m

-74,609 (28)

8,323.8 (2.3)

B+

100

¹²³Ba

122.918781 (13)

2.7

m

-75,655 (12)

8,330.21 (9.8)

B+

100

¹²⁴Ba

123.915094 (13)

11

m

-79,090 (12)

8,355.8 (1)

B+

100

¹²⁵Ba

124.914473 (12)

3.5

m

-79,668 (11)

8,358.17 (8.9)

B+

100

¹²⁶Ba

125.911250 (13)

100

m

-82,670 (12)

8,379.72 (9.9)

B+

100

¹²⁷Ba

126.911094 (12)

12.7

m

-82,816 (11)

8,378.44 (9)

B+

100

¹²⁸Ba

127.908318 (11)

2.43

d

-85,402 (10)

8,396.24 (7.9)

EC

100

¹²⁹Ba

128.908679 (12)

2.23

h

-85,065 (11)

8,391.11 (8.5)

B+

100

¹³⁰Ba

129.9063208 (30)

0.106 (1)

stable

-87,261.6 (2.8)

8,405.55 (2.1)

¹³¹Ba

130.9069411 (30)

11.5

d

-86,683.8 (2.8)

8,398.59 (2.1)

B+

100

¹³²Ba

131.9050613 (11)

0.101 (1)

stable

-88,434.8 (1.1)

8,409.373 (8)

¹³³Ba

132.9060075 (11)

10.51

y

-87,553.5 (1)

8,400.205 (7)

EC

¹³⁴Ba

133.90450838 (43)

2.417 (18)

stable

-88,949.87 (40)

8,408.171 (3)

¹³⁵Ba

134.90568859 (44)

6.592 (12)

stable

-87,850.51 (41)

8,397.533 (3)

¹³⁶Ba

135.90457595 (44)

7.854 (24)

stable

-88,886.94 (41)

8,402.755 (3)

¹³⁷Ba

136.90582738 (45)

11.232 (24)

stable

-87,721.23 (42)

8,391.827 (3)

¹³⁸Ba

137.90524724 (45)

71.698 (42)

stable

-88,261.63 (42)

8,393.420 (3)

¹³⁹Ba

138.90884134 (46)

83.1

m

-84,913.75 (42)

8,367.017 (3)

B-

100

¹⁴⁰Ba

139.9106045 (85)

12.752

d

-83,271.4 (8)

8,353.17 (5.7)

B-

100

¹⁴¹Ba

140.9144110 (87)

18.27

m

-79,725.6 (8.1)

8,326.03 (5.8)

B-

100

¹⁴²Ba

141.9164534 (66)

10.6

m

-77,823.1 (6.2)

8,310.84 (4.4)

B-

100

¹⁴³Ba

142.920627 (14)

14.5

s

-73,936 (13)

8,281.98 (9.3)

B-

100

¹⁴⁴Ba

143.922953 (14)

11.5

s

-71,769 (13)

8,265.47 (9.3)

B-

100

¹⁴⁵Ba

144.927627 (76)

4.31

s

-67,415 (71)

8,234.1 (4.9)

B-

100

¹⁴⁶Ba

145.930220 (78)

2.22

s

-65,000 (72)

8,216.4 (5)

B-

100

¹⁴⁷Ba

146.93495 (22)

893

ms

-60,600 (210)

8,186 (1)

B-

100

¹⁴⁸Ba

147.937720 (90)

612

ms

-58,013 (84)

8,167.3 (5.7)

B-

100

¹⁴⁹Ba

148.94258 (21)

344

ms

-53,490 (200)

8,136 (1)

B-

100

¹⁵⁰Ba

149.94568 (43)

300

ms

-50,600 (400)

8,117 (3)

B-

100

¹⁵¹Ba

150.95081 (43)

200

ms

-45,820 (400)

8,085 (3)

B- ?

¹⁵²Ba

151.95427 (54)

100

ms

-42,600 (500)

8,063 (3)

B- ?

¹⁵³Ba

152.95961 (86)

80

ms

-37,620 (800)

8,031 (5)

B- ?

^127mBa

126.911094 (12)

1.9

s

-82,816 (11)

8,378.44 (9)

IT

100

^129mBa

128.908679 (12)

2.16

h

-85,065 (11)

8,391.11 (8.5)

B+~100

^130mBa

129.9063208 (30)

9.54

ms

-87,261.6 (2.8)

8,405.55 (2.1)

IT

100

^131mBa

130.9069411 (30)

14.6

m

-86,683.8 (2.8)

8,398.59 (2.1)

IT

100

^133mBa

132.9060075 (11)

38.9

h

-87,553.5 (1)

8,400.205 (7)

IT~100

^135mBa

134.90568859 (44)

28.7

h

-87,850.51 (41)

8,397.533 (3)

IT

100

^136mBa

135.90457595 (44)

308.4

ms

-88,886.94 (41)

8,402.755 (3)

IT

100

^137mBa

136.90582738 (45)

2.552

m

-87,721.23 (42)

8,391.827 (3)

IT

100

^138mBa

137.90524724 (45)

800

ns

-88,261.63 (42)

8,393.420 (3)

IT

100