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Isotopes of Holmium (Z=67)

Click on an isotope to get more information about its decay
Isotope Half-life Spin Parity Decay Mode(s) or Abundance
141Ho 4.2 ms (7/2-) %P=100
142Ho %EC+%B+=100
143Ho
144Ho 0.7 s %EC+%B+=100, %ECP=?
145Ho 2.4 s(11/2-) %EC+%B+=100
146Ho 3.6 s(10+) %EC+%B+=100, %ECP=?
147Ho 5.8 s (11/2-) %EC+%B+=100, %ECP=?
148Ho 2.2 s1+ %EC+%B+=100
148m1Ho 9.59 s6- %EC+%B+=100, %ECP=0.08 1
148m2Ho 2.35 ms(10+) %IT=100
149Ho 21.1 s(11/2-) %EC+%B+=100
149m1Ho 56 s(1/2+) %EC+%B+=100
150Ho 72 s 2- %EC+%B+=100
150m1Ho 23.3 s(9)+ %EC+%B+=100
151Ho 35.2 s(11/2-) %EC+%B+=78 3, %A=22 3
151m1Ho 47.2 s(1/2+) %A=80 +15-20, %EC+%B+=20 +20-15
152Ho 161.8 s 2- %A=12 3 , %EC+%B+=88 3
152m1Ho 50.0 s 9+ %A=10.8 17 , %EC+%B+=89.2 17
153Ho 2.01 m11/2- %EC+%B+=99.949 25, %A=0.051 25
153m1Ho 9.3 m1/2+ %EC+%B+=99.82 8, %A=0.18 8
154Ho 11.76 m (2)- %EC+%B+=99.981 5, %A=0.019 5
154m1Ho 3.10 m 8+ %EC+%B+=100, %A < 0.001
155Ho 48 m 5/2+ %EC+%B+=100
156Ho 56 m (4+) %EC+%B+=100
156m1Ho 9.5 s (1+) %IT=?, %EC+%B+=?
157Ho 12.6 m 7/2- %EC+%B+=100
158Ho 11.3 m5+ %EC+%B+=100
158m1Ho 28 m 2- %EC+%B+ < 19, %IT > 81
158m2Ho 21.3 m(9+) %EC+%B+ > 93, %IT < 7
159Ho 33.05 m 7/2- %EC+%B+=100
159m1Ho 8.30 s 1/2+ %IT=100
160Ho 25.6 m 5+ %EC+%B+=100
160m1Ho 5.02 h 2- %IT=65 3, %EC+%B+=35 3
160m2Ho 3 s (9+) %IT=100
161Ho 2.48 h 7/2- %EC=100
161m1Ho 6.76 s 1/2+ %IT=100
162Ho 15.0 m 1+ %EC+%B+=100
162m1Ho 67.0 m 6- %IT=62, %EC+%B+=38
163Ho 4570 y7/2- %EC=100
163m1Ho 1.09 s 1/2+ %IT=100
164Ho 29 m1+ %EC=60 5 , %B-=40 5
164m1Ho 37.5 m 6- %IT=100
165Ho stable7/2- %Abundance=100
166Ho 26.83 h0- %B-=100
166m1Ho 1.20e3 y(7)- %B-=100
167Ho 3.1 h 7/2- %B-=100
168Ho 2.99 m 3+ %B-=100
168m1Ho 132 s (6+) %IT > 99.5, %B- < 0.5
169Ho 4.7 m 7/2- %B-=100
170Ho 2.76 m (6+) %B-=100
170m1Ho 43 s (1+) %B-=100
171Ho 53 s (7/2-) %B-=100
172Ho 25 s %B-=100
173Ho
174Ho
175Ho
 
Last update on
February 15, 2012