Nuclear Wallet Card - Z( 20)


   Isotope[1]              delta      T1/2 or
  Z   El   A    Jpi[2]     (MeV)[3]   Abundance[4]   Decay Mode[5]
 === === ====   =======   =========  =============  =====================
  20 Ca   35               4.44s       50 ms 30     EC,E2P
          36      0+       -6.44       102 ms 2     EC,EP ~ 20%
          37     3/2+     -13.16     181.1 ms 10    EC,EP 76%
          38      0+      -22.059      440 ms 8     EC
          39     3/2+     -27.276    859.6 ms 14    EC
          40      0+      -34.846     96.941% 18
          41     7/2-     -35.138    1.03E+5 y 4    EC
          42      0+      -38.547      0.647% 9
          43     7/2-     -38.408      0.135% 6
          44      0+      -41.469     2.086% 12
          45     7/2-     -40.813     162.61 d 9    B-
          46      0+      -43.135      0.004% 3
          47     7/2-     -42.340     4.536 d 3     B-
          48      0+      -44.215     > 6E+18 y     2B-
                                       0.187% 4
          49     3/2-     -41.290     8.718 m 6     B-
          50      0+      -39.572      13.9 s 6     B-
          51    (3/2-)    -35.90       10.0 s 8     B-,BN
          52      0+       -32.5       4.6 s 3      B-
          53  (3/2-,5/2-   -27.9s      90 ms 15     B-,BN > 30%
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