Nuclear Wallet Card - Z( 12)
Isotope[1] delta T1/2 or
Z El A Jpi[2] (MeV)[3] Abundance[4] Decay Mode[5]
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12 Mg 20 0+ 17.57 95 ms +80-50 EC,EP >= 3%
21 (3/2,5/2)+ 10.91 122 ms 3 EC,EP 29.3%
22 0+ -0.396 3.857 s 9 EC
23 3/2+ -5.473 11.317 s 11 EC
24 0+ -13.933 78.99% 3
25 5/2+ -13.193 10.00% 1
26 0+ -16.215 11.01% 2
27 1/2+ -14.587 9.458 m 12 B-
28 0+ -15.019 20.91 h 3 B-
29 3/2+ -10.66 1.30 s 12 B-
30 0+ -8.88 335 ms 17 B-
31 -3.22 230 ms 20 B-,BN 1.7%
32 0+ -0.79 120 ms 20 B-,BN 2.4%
33 5.2 90 ms 20 B-,BN 17%
34 0+ 8.5 20 ms 10 B-,BN
35 16.3s > 200 NS
36 0+ 20.9s > 200 NS
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