Isotopes of Cobalt (Z=27)

Click on an isotope to get more information about its decay
Isotope Half-life Spin Parity Decay Mode(s) or Abundance
48Co
49Co
50Co 44 ms (6+) %EC+%B+=100, %ECP > 42
51Co (7/2-)
52Co 18 ms %EC+%B+=100
53Co 240 ms(7/2-) %EC+%B+=100
53m1Co 247 ms(19/2-) %EC+%B+ ~ 98.5, %P ~ 1.5
54Co 193.23 ms0+ %EC+%B+=100
54m1Co 1.48 m(7)+ %EC+%B+=100
55Co 17.53 h7/2- %EC+%B+=100
56Co 77.27 d4+ %EC+%B+=100
57Co 271.79 d7/2- %EC=100
58Co 70.86 d2+ %EC+%B+=100
58m1Co 9.04 h5+ %IT=100
59Co stable7/2- %Abundance=100
60Co 5.2714 y5+ %B-=100
60m1Co 10.467 m 2+ %IT=99.76 3, %B-=0.24 3
61Co 1.650 h7/2- %B-=100
62Co 1.50 m2+ %B-=100
62m1Co 13.91 m5+ %B- ~ 100, %IT < 1
63Co 27.4 s(7/2)- %B-=100
64Co 0.30 s1+ %B-=100
65Co 1.20 s(7/2)- %B-=100
66Co 0.233 s(3+) %B-=100
67Co 0.42 s(7/2-) %B-=100
68Co 0.18 s %B-=100
69Co 0.27 s %B-=100
70Co 150 ms %B-=100, %B-N=2.5 sys
71Co 210 ms (7/2-) %B-=100, %B-N=2.6 sys
72Co 90 ms %B-=100, %B-N=4.8 sys
73Co (7/2-) %B-=?
74Co %B-=?
75Co (7/2-) %B-=?
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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