Isotope des Tungsten

Natürlich
Abun. (%)

Atomic
Mass

Half-
life

Decay Mode
/Energy (/MeV)

Part. En.
/Intensity
(MeV/%)

Cross-sect.
Ther. Neut.
(b)

Spin
(h/2 pi)

Magnetic
Dipl.Mom.
(nm)

Electric
Quad. Mom.
(b)

Gamma En.
/Intensity
(MeV/%)

 158W

157.97383

0.9ms

alpha

 159W

158.97239

7ms

alpha

 160W

159.94848

0.08s

alpha

5.92

0+

 161W

160.94714

0.41s

ß+,E.C./ 8.4
alpha

 
5.78

 162W

161.96329

1.39s

ß+,E.C./ 5.8
alpha

 
5.54

0+

 163W

162.96227

2.8s

ß+,E.C./ 7.5
alpha

 
5.38

 164W

163.95882

6s

ß+,E.C./ 4.9
alpha

 
5.15

0+

rad. an.

 165W

164.95811

5.1s

ß+,E.C./ 6.8
alpha

 
4.91

rad. an.

 166W

165.95502

16s

ß+,E.C./ 4.4
alpha

 
4.74

0+

rad. an.

 167W

166.95454

20s

E.C./ 6.1

 168W

167.95186

53s

E.C./ 3.7

 169W

168.95175

1.3m

E.C./ 5.4

 170W

169.94929

2.4m

E.C./ 3

 171W

170.94946

2.4m

E.C./ 4.6

 172W

171.94743

6.6m

ß+,E.C./ 2.5

0.0359
0.1302
0.4576
0.6236

 173W

172.94771

6.3m

E.C./ 3.8

0.0499
0.1057
0.3652
0.707

 174W

173.94616

35m

E.C./ 1.7

0+

0.0354
0.3287
0.4288

 175W

174.94677

35m

E.C./ 2.9

1/2-

0.015 - 0.27

 176W

175.94559

2.5h

ß+,E.C./ 0.8

0+

0.03358
0.06129
0.09487
0.1002

 177W

176.94661

2.21h

E.C./ 2

1/2-

Ta k x rays
0.15505
0.18569
0.42694

 178W

177.94584

21.6d

E.C./ 0.09

0+

Ta k x rays

 179mW

6.4m

I.T./ 0.222
E.C.

1/2-

W k x rays
0.222

 179W

178.947067

38m

E.C./ 1.06

7/2-

Ta k x rays
0.0307

 180W

0.12 %

179.946701

4 b

0+

 181W

180.948192

121.2d

E.C./ 0.19

9/2+

Ta k x rays
0.13617
0.15221

 182W

26.3 %

181.948202

20 b

0+

 183mW

5.15s

I.T.

11/2+

W k x rays
0.0465
0.0526
0.0991
0.1605

 183W

14.28 %

182.95022

10.5 b

1/2-

0.11778 nm

 184W

30.7 %

183.950928

2 b

0+

 185mW

1.6m

I.T./ 0.1974

11/2+

W k x rays
0.0659
0.1315
0.1737

 185W

184.953416

74.8d

ß-/ 0.433

0.433/ 99.9

3.3 b

3/2-

0.12536

 186W

28.6 %

185.954357

36 b

0+

 187W

186.957153

23.9h

ß-/ 1.312

0.624
1.315

70 b

3/2-

0.62 nm

Re k x rays
0.0725
0.47951
0.68572

 188W

187.95848

69.4d

ß-/ 0.349

0.349/ 99

0+

0.0636
0.2271
0.2907

 189W

188.9619

11.5m

ß-/ 2.5

1.4
2.5

3/2-

0.258
0.417
0.55

 190W

189.96321

30m

ß-/ 1.3

0.95

0+

Re k x rays
0.1576
0.1621