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Isotopes of Gold (Z=79)

Click on an isotope to get more information about its decay
Isotope Half-life Spin Parity Decay Mode(s) or Abundance
171Au
172Au 6.3 ms %A ~ 100, %P < 2
173Au 59 ms %A < 100
174Au 120 ms %A=?
175Au 200 ms %A=94 +6-25, %EC+%B+=6 +25-6
176Au 1.08 s %A=?, %EC+%B+=?
177Au 1.18 s %A < 40
178Au 2.6 s %EC+%B+ < 60, %A > 40
179Au 7.1 s %EC+%B+=78.0 9, %A=22.0 9
180Au 8.1 s %EC+%B+ < 98.2, %A > 1.8
181Au 11.4 s5/2- %EC+%B+=98.7 2, %A=1.3 2
182Au 15.6 s %EC+%B+=99.87 5, %A=0.13 5
183Au 42.0 s (5/2)- %EC+%B+=99.70 5, %A=0.30 5
184Au 53.0 s 3+ %EC+%B+=99.978, %A=0.022
185Au 4.25 m5/2- %EC+%B+=99.74 6, %A=0.26 6
185m1Au 6.8 m %EC+%B+ < 100, %IT=?
186Au 10.7 m 3- %EC+%B+=100, %A=8E-4 2
187Au 8.4 m 1/2+ %EC+%B+=100, %A=0.003 sys
187m1Au 2.3 s 9/2- %IT=100
188Au 8.84 m 1(-) %EC+%B+=100
189Au 28.7 m 1/2+ %EC+%B+=100, %A < 3E-5
189m1Au 4.59 m 11/2- %EC+%B+ ~ 100, %IT > 0
190Au 42.8 m 1- %EC+%B+=100, %A < 1E-6
190m1Au 125 ms(11-) %IT=?, %EC+%B+=?
191Au 3.18 h3/2+ %EC+%B+=100
191m1Au 0.92 s(11/2-) %IT=100
192Au 4.94 h 1- %EC+%B+=100
192m1Au 29 ms (5)+ %IT=100
192m2Au 160 ms (11-) %IT=100
193Au 17.65 h 3/2+ %EC+%B+=100
193m1Au 3.9 s 11/2- %IT=99.97, %EC+%B+ ~ 0.03
194Au 38.02 h 1- %EC+%B+=100
194m1Au 600 ms(5+) %IT=100
194m2Au 420 ms(11-) %IT=100
195Au 186.09 d3/2+ %EC=100
195m1Au 30.5 s11/2- %IT=100
196Au 6.183 d2- %EC+%B+=92.80 84 , %B- =7.20 84
196m1Au 8.1 s5+ %IT=100
196m2Au 9.6 h12- %IT=100
197Au stable3/2+ %Abundance=100
197m1Au 7.73 s 11/2- %IT=100
198Au 2.69517 d2- %B-=100
198m1Au 2.27 d(12-) %IT=100
199Au 3.139 d 3/2+ %B-=100
200Au 48.4 m 1(-) %B-=100
200m1Au 18.7 h 12- %B-=82 2, %IT=18 2
201Au 26 m 3/2+ %B-=100
202Au 28.8 s (1-) %B-=100
203Au 53 s 3/2+ %B-=100
204Au 39.8 s (2-) %B-=100
205Au 31 s (3/2+) %B-=100
 
Last update on
February 15, 2012