Isotopes of dysprosium
List of isotopes
Table:
nuclide
symbol

Z(p)

N(n)

isotopic mass (u)

half-life

decay
mode(s)[5][n 1]

daughter
isotope(s)[n 2]

nuclear
spin and
parity

representative
isotopic
composition
(mole fraction)

range of natural
variation
(mole fraction)

excitation energy

138Dy

66

72

137.96249(64)#

200# ms

0+

139Dy

66

73

138.95954(54)#

600(200) ms

7/2+#

140Dy

66

74

139.95401(54)#

700# ms

β+

140Tb

0+

140mDy

2166.1(5) keV

7.0(5) µs

(8−)

141Dy

66

75

140.95135(32)#

0.9(2) s

β+

141Tb

(9/2−)

β+, p (rare)

140Gd

142Dy

66

76

141.94637(39)#

2.3(3) s

β+ (99.94%)

142Tb

0+

β+, p (.06%)

141Gd

143Dy

66

77

142.94383(21)#

5.6(10) s

β+

143Tb

(1/2+)

β+, p (rare)

142Gd

143mDy

310.7(6) keV

3.0(3) s

(11/2−)

144Dy

66

78

143.93925(3)

9.1(4) s

β+

144Tb

0+

β+, p (rare)

143Gd

145Dy

66

79

144.93743(5)

9.5(10) s

β+

145Tb

(1/2+)

β+, p (rare)

144Gd

145mDy

118.2(2) keV

14.1(7) s

β+

145Tb

(11/2−)

146Dy

66

80

145.932845(29)

33.2(7) s

β+

146Tb

0+

146mDy

2935.7(6) keV

150(20) ms

IT

146Dy

(10+)#

147Dy

66

81

146.931092(21)

40(10) s

β+ (99.95%)

147Tb

1/2+

β+, p (.05%)

146Tb

147m1Dy

750.5(4) keV

55(1) s

β+ (65%)

147Tb

11/2−

IT (35%)

147Dy

147m2Dy

3407.2(8) keV

0.40(1) µs

(27/2−)

148Dy

66

82

147.927150(11)

3.3(2) min

β+

148Tb

0+

149Dy

66

83

148.927305(9)

4.20(14) min

β+

149Tb

7/2(−)

149mDy

2661.1(4) keV

490(15) ms

IT (99.3%)

149Dy

(27/2−)

β+ (.7%)

149Tb

150Dy

66

84

149.925585(5)

7.17(5) min

β+ (64%)

150Tb

0+

α (36%)

146Gd

151Dy

66

85

150.926185(4)

17.9(3) min

β+ (94.4%)

151Tb

7/2(−)

α (5.6%)

147Gd

152Dy

66

86

151.924718(6)

2.38(2) h

EC (99.9%)

152Tb

0+

α (.1%)

148Gd

153Dy

66

87

152.925765(5)

6.4(1) h

β+ (99.99%)

153Tb

7/2(−)

α (.00939%)

149Gd

154Dy

66

88

153.924424(8)

3.0(15)×106 y

α

150Gd

0+

β+β+ (rare)

154Gd

155Dy

66

89

154.925754(13)

9.9(2) h

β+

155Tb

3/2−

155mDy

234.33(3) keV

6(1) µs

11/2−

156Dy

66

90

155.924283(7)

Observationally Stable[n 3]

0+

5.6(3)×10−4

157Dy

66

91

156.925466(7)

8.14(4) h

β+

157Tb

3/2−

157m1Dy

161.99(3) keV

1.3(2) µs

9/2+

157m2Dy

199.38(7) keV

21.6(16) ms

IT

157Dy

11/2−

158Dy

66

92

157.924409(4)

Observationally Stable[n 4]

0+

9.5(3)×10−4

159Dy

66

93

158.9257392(29)

144.4(2) d

EC

159Tb

3/2−

159mDy

352.77(14) keV

122(3) µs

11/2−

160Dy

66

94

159.9251975(27)

Observationally Stable[n 5]

0+

0.02329(18)

161Dy

66

95

160.9269334(27)

Observationally Stable[n 6]

5/2+

0.18889(42)

162Dy

66

96

161.9267984(27)

Observationally Stable[n 7]

0+

0.25475(36)

163Dy

66

97

162.9287312(27)

Stable[n 8][6]

5/2−

0.24896(42)

164Dy

66

98

163.9291748(27)

Stable[n 9]

0+

0.28260(54)

165Dy

66

99

164.9317033(27)

2.334(1) h

β−

165Ho

7/2+

165mDy

108.160(3) keV

1.257(6) min

IT (97.76%)

165Dy

1/2−

β− (2.24%)

165Ho

166Dy

66

100

165.9328067(28)

81.6(1) h

β−

166Ho

0+

167Dy

66

101

166.93566(6)

6.20(8) min

β−

167Ho

(1/2−)

168Dy

66

102

167.93713(15)

8.7(3) min

β−

168Ho

0+

169Dy

66

103

168.94031(32)

39(8) s

β−

169Ho

(5/2−)

170Dy

66

104

169.94239(21)#

30# s

β−

170Ho

0+

171Dy

66

105

170.94620(32)#

6# s

β−

171Ho

7/2−#

172Dy

66

106

171.94876(43)#

3# s

β−

172Ho

0+

173Dy

66

107

172.95300(54)#

2# s

β−

173Ho

9/2+#

Taking into account the following table concerning 'Isotopes of dysprosium' titled 'List of isotopes', draft a brief sentence that explains what the highlighted cells show and return it as JSON: {"answer": "YOUR ANSWER"}.