Isotopes of Calcium (Z=20)

Click on an isotope to get more information about its decay
Isotope Half-life Spin Parity Decay Mode(s) or Abundance
34Ca 0+
35Ca 50 ms %EC+%B+=100, %EC2P=?
36Ca 102 ms 0+ %EC+%B+=100, %ECP=57 5
37Ca 181.1 ms 3/2+ %EC+%B+=100, %ECP=76 3
38Ca 440 ms 0+ %EC+%B+=100
39Ca 859.6 ms 3/2+ %EC+%B+=100
40Ca stable 0+ %Abundance=96.941 18
41Ca 1.03e+5 y 7/2- %EC=100
42Ca stable 0+ %Abundance=0.647 9
43Ca stable 7/2- %Abundance=0.135 6
44Ca stable 0+ %Abundance=2.086 12
45Ca 162.61 d7/2- %B-=100
46Ca stable 0+ %Abundance=0.004 3
47Ca 4.536 d7/2- %B-=100
48Ca 6e+18 y0+ %Abundance=0.187 4, %B-=?, %BB=?
49Ca 8.718 m3/2- %B-=100
50Ca 13.9 s0+ %B-=100
51Ca 10.0 s(3/2-) %B-=100, %B-N=?
52Ca 4.6 s 0+ %B-=100
53Ca 90 ms(3/2-,5/2-) %B-=100, %B-N+%B-2N > 30
54Ca 0+
55Ca (5/2-) %B-=?
56Ca 0+ %B-=?
57Ca
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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