97-Berkelium

 Nuclide      weight or level energy         spin & parity  abundance  half-life      sig(J32) sig(J33) sig(J40) 
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 Bk-238    238.058280      +- 0.000309                                 2.40M 8                                   
 Bk-240    240.059753      +- 0.000161                                 4.8M 8                                    
 Bk-241    241.060231      +- 0.000215       (7/2+)                    4.6M 4                                    
 Bk-242    242.061983      +- 0.000215                                 7.0M 13                                   
 Bk-243    243.063008827   +- 0.000005092    (3/2-)                    4.5H 2                                    
 Bk-244    244.065182240   +- 0.000015536    (4-)                      4.35H 15                                  
 Bk-245    245.066363082   +- 0.000002479    3/2-                      4.94D 3                            XXX    
 Bk-246    246.068674334   +- 0.000064450    2(-)                      1.80D 2                            XXX    
 Bk-247    247.070308541   +- 0.000005907    (3/2-)                    1380Y 250                 XXX      XXX    
 Bk-248    248.073088      +- 0.000076                                 9Y GT                              XXX    
 Bk-248                                      1(-)                      23.7H 2                                   
 Bk-249    249.074988120   +- 0.000002807    7/2+                      320D 6           XXX      XXX      XXX    
 Bk-250    250.078317906   +- 0.000004262    2-                        3.212H 5         XXX      XXX      XXX    
 Bk-251    251.080762812   +- 0.000011753    (3/2-)                    55.6M 11                                  
 Bk-252    252.084311      +- 0.000215                                 1.8M 5                                    
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