Isotopes of Tungsten (Z=74)

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Isotope Half-life Spin Parity Decay Mode(s) or Abundance
158W 0.9 ms 0+ %A=100
158m1W 0.16 ms 8+
159W 7.3 ms %A ~ 99.5, %EC+%B+ ~ 0.5
160W 91 ms0+ %A=87 8, %EC+%B+=?
161W 410 ms %A=82 26
162W 1.39 s 0+ %EC+%B+=53 3, %A=47 3
163W 2.75 s %EC+%B+=59 5, %A=41 5
164W 6.0 s0+ %EC+%B+=95.6 9, %A=4.4 9
165W 5.1 s %EC+%B+=100 , %A < 0.2
166W 18.8 s0+ %EC+%B+=99.965 12, %A=0.035 12
167W 19.9 s(7/2-) %EC+%B+=?, %A=?
168W 53 s 0+ %EC+%B+ ~ 100, %A=2.7E-3 5
169W 76 s (5/2-) %EC+%B+=100
170W 2.42 m0+ %EC+%B+=100
171W 2.38 m (5/2-) %EC+%B+=100
172W 6.6 m0+ %EC+%B+=100
173W 7.6 m 5/2- %EC+%B+=100
174W 31 m0+ %EC+%B+=100
175W 35.2 m(1/2-) %EC+%B+=100
176W 2.5 h 0+ %EC=100
177W 135 m(1/2-) %EC+%B+=100
178W 21.6 d0+ %EC=100
179W 37.05 m(7/2)- %EC+%B+=100
179m1W 6.40 m(1/2)- %IT=99.72 3, %EC+%B+=0.28 3
180W stable0+ %Abundance=0.13 4
180m1W 5.47 ms8- %IT=100
181W 121.2 d9/2+ %EC=100
182W stable 0+ %Abundance=26.3 2
183W 1.1e+17 y1/2- %Abundance=14.3 1
183m1W 5.2 s11/2+ %IT=100
184W 3e+17 y 0+ %Abundance=30.67 15
185W 75.1 d3/2- %B-=100
185m1W 1.67 m11/2+ %IT=100
186W stable 0+ %Abundance=28.6 2
187W 23.72 h 3/2- %B-=100
188W 69.4 d 0+ %B-=100
189W 11.5 m(3/2-) %B-=100
190W 30.0 m0+ %B-=100
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory
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