19-Potassium

 Nuclide      weight or level energy         spin & parity  abundance  half-life      sig(J32) sig(J33) sig(J40) 
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 K-nat      39.0983        +- 0.0001                                                    XXX               XXX    
 K- 35      34.988005396   +- 0.000000550    3/2+                      190MS 30                                  
 K- 36      35.981301724   +- 0.000000369    2+                        342MS 2                                   
 K- 37      36.973375891   +- 0.000000100    3/2+                      1.226S 7                                  
 K- 38      37.969081197   +- 0.000000264    3+                        7.636M 18                                 
 K- 38  m       1.30400E+02 keV              0+                        924.0MS 5                                 
 K- 39      38.96370648636 +- 0.00000000492  3/2+            93.2581   stable           XXX      XXX      XXX    
 K- 40      39.963998166   +- 0.000000060    4-               0.0117   1.277E+9Y 8      XXX      XXX      XXX    
 K- 41      40.96182525793 +- 0.00000000408  3/2+             6.7302   stable           XXX      XXX      XXX    
 K- 42      41.962402306   +- 0.000000113    2-                        12.360H 12                                
 K- 43      42.960734713   +- 0.000000440    3/2+                      22.3H 1                                   
 K- 44      43.961586999   +- 0.000000450    2-                        22.13M 19                                 
 K- 45      44.960691510   +- 0.000000560    3/2+                      17.81M 61                                 
 K- 46      45.961981606   +- 0.000000780    (2-)                      105S 10                                   
 K- 47      46.961664836   +- 0.000002700    1/2+                      17.50S 24                                 
 K- 48      47.965340411   +- 0.000002500    (2-)                      6.8S 2                                    
 K- 49      48.968210272   +- 0.000002800    (3/2+)                    1.26S 5                                   
 K- 50      49.972370747   +- 0.000011000    0-                        472MS 4                                   
 K- 51      50.976850      +- 0.000640       (1/2+,3/2+)               365MS 5                                   
 K- 52      51.982800      +- 0.000750       (2-)                      105MS 5                                   
 K- 53      52.988110      +- 0.000750       (3/2+)                    30MS 5                                    
 K- 54      53.995330      +- 0.000970                                 10MS 5                                    
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