Nuclear Wallet Card - Z( 72)


   Isotope[1]              delta      T1/2 or
  Z   El   A    Jpi[2]     (MeV)[3]   Abundance[4]   Decay Mode[5]
 === === ====   =======   =========  =============  =====================
  72 Hf  154      0+       -33.3s       2 s 1       EC ~100%,A ~ 0%
         155               -34.7s     0.89 s 12     EC,A
         156      0+       -38.0s      25 ms 4      A >= 81%
         157               -39.0s      110 ms 6     A 86%,EC 14%
         158      0+       -42.2s     2.86 s 18     EC 56%,A 44%
         159               -43.0s      5.6 s 4      EC 59%,A 41%
         160      0+      -45.98      13.0 s 15     EC 97.7%,A 2.3%
         161              -46.27       16.8 s 8     EC >= 99.71%,A <= 0.29%
         162      0+      -49.18       37.6 s 8     EC 99.99%,A 6.3E-3%
         163               -49.3s      40.0 s 6     EC
         164      0+       -51.8s      111 s 8      EC
         165    (5/2-)     -51.7s       76 s 4      EC
         166      0+       -53.8s     6.77 m 30     EC
         167    (5/2-)     -53.5s      2.05 m 5     EC
         168      0+       -55.3s     25.95 m 20    EC
         169    (5/2)-    -54.81       3.24 m 4     EC
         170      0+       -56.2s     16.01 h 13    EC
         171    (7/2+)     -55.4s      12.1 h 4     EC
         172      0+      -56.39       1.87 y 3     EC
         173     1/2-      -55.3s      23.6 h 1     EC
         174      0+      -55.851     2.0E15 y 4    A
                                       0.162% 3
         175     5/2-     -54.488       70 d 2      EC
         176      0+      -54.582      5.206% 5
         177     7/2-     -52.890     18.606% 4
         177M   23/2+     -51.575      1.08 s 6     IT
         177M   37/2-     -50.150      51.4 m 5     IT
         178      0+      -52.445     27.297% 4
         178M     8-      -51.298      4.0 s 2      IT
         178M    16+      -49.999       31 y 1      IT
         179     9/2+     -50.473     13.629% 6
         179M    1/2-     -50.098     18.67 s 4     IT
         179M   25/2-     -49.367     25.05 d 25    IT
         180      0+      -49.79      35.100% 7
         180M     8-      -48.649      5.5 h 1      IT 99.7%,B- 0.3%
         181     1/2-     -47.414     42.39 d 6     B-
         182      0+      -46.060      9E+6 y 2     B-
         182M     8-      -44.887     61.5 m 15     B- 58%,IT 42%
         183    (3/2-)    -43.29      1.067 h 17    B-
         184      0+      -41.50       4.12 h 5     B-
         184M     8-      -41.50       48 s 10      B-
         185              -38.164C     3.5 m 6      B-
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