铽的同位素

铽（原子量：158.925354(7)）的同位素，其中有1个同位素是稳定的。

## 图表

135Tb

0.94(+33-22) ms

(7/2-)

136Tb

135.96138(64)#

0.2# s

137Tb

136.95598(64)#

600# ms

11/2-#

β+

138Gd

p

137Gd

139Tb

138.94829(32)#

1.6(2) s

β+

139Gd

11/2-#

β+ (99.74%)

140Gd

β+, p (.26%)

139Eu

141Tb

140.94145(11)

3.5(2) s

β+

141Gd

(5/2-)

7.9(6) s

β+

141Gd

11/2-#

β+

142Gd

β+, p

141Eu

IT (99.5%)

142Tb

β+ (.5%)

142Gd

15(4) µs

143Tb

142.93512(6)

12(1) s

β+

143Gd

(11/2-)

<21 s

β+

143Gd

5/2+#

β+

144Gd

β+, p （不常见）

143Eu

IT (66%)

144Tb

β+ (34%)

144Gd

β+, p (<1%)

143Eu

2.8(3) µs

(8-)

670(60) ns

(9+)

<300 ns

(10+)

145Tb

144.92927(6)

20# min

β+

145Gd

(3/2+)

30.9(7) s

β+

145Gd

(11/2-)

146Tb

145.92725(5)

8(4) s

β+

146Gd

1+

24.1(5) s

β+

146Gd

5-

1.18(2) ms

(10+)

147Tb

146.924045(13)

1.64(3) h

β+

147Gd

1/2+#

1.87(5) min

β+

147Gd

(11/2)-

148Tb

147.924272(15)

60(1) min

β+

148Gd

2-

2.20(5) min

β+

148Gd

(9)+

1.310(7) µs

(27+)

β+ (83.3%)

149Gd

α (16.7%)

145Eu

β+ (99.97%)

149Gd

α (.022%)

145Eu

β+ (99.95%)

150Gd

α (.05%)

146Eu

β+

150Gd

IT （不常见）

150Tb

β+ (99.99%)

151Gd

α (.0095%)

147Eu

IT (93.8%)

151Tb

β+ (6.2%)

151Gd

β+

152Gd

α (7×10−7%)

148Eu

0.96 µs

5-

IT (78.8%)

152Tb

β+ (21.2%)

152Gd

153Tb

152.923435(5)

2.34(1) d

β+

153Gd

5/2+

186(4) µs

11/2-

β+ (99.9%)

154Gd

β- (.1%)

154Dy

β+ (78.2%)

154Gd

IT (21.8%)

154Tb

β- (.1%)

154Dy

22.7(5) h

7-

513(42) ns

155Tb

154.923505(13)

5.32(6) d

EC

155Gd

3/2+

β+

156Gd

β- （不常见）

156Dy

24.4(10) h

IT

156Tb

(7-)

5.3(2) h

(0+)

157Tb

156.9240246(27)

71(7) a

EC

157Gd

3/2+

β+ (83.4%)

158Gd

β- (16.6%)

158Dy

IT (99.39%)

158Tb

β- (.6%)

158Dy

β+ (.01%)

158Gd

0.40(4) ms

7-

159Tb

158.9253468(27)

Stable

3/2+

1.0000

160Tb

159.9271676(27)

72.3(2) d

β-

160Dy

3-

161Tb

160.9275699(28)

6.906(19) d

β-

161Dy

3/2+

162Tb

161.92949(4)

7.60(15) min

β-

162Dy

1-

163Tb

162.930648(5)

19.5(3) min

β-

163Dy

3/2+

164Tb

163.93335(11)

3.0(1) min

β-

164Dy

(5+)

165Tb

164.93488(21)#

2.11(10) min

β-

165mDy

3/2+#

166Tb

165.93799(11)

25.6(22) s

β-

166Dy

167Tb

166.94005(43)#

19.4(27) s

β-

167Dy

3/2+#

168Tb

167.94364(54)#

8.2(13) s

β-

168Dy

4-#

169Tb

168.94622(64)#

2# s

β-

169Dy

3/2+#

170Tb

169.95025(75)#

3# s

β-

170Dy

171Tb

170.95330(86)#

500# ms

β-

171Dy

3/2+#

## 参考文献

- Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties , Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.

## 基本资料

- infobox_name：terbium
- 货币符号：Tb
- 日语原文：铽
- standard atomic weight：158.925354(7)