109-Meitnerium

 Nuclide      weight or level energy         spin & parity  abundance  half-life      sig(J32) sig(J33) sig(J40) 
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 Mt-266    266.137376      +- 0.000329                                 1.7MS +18 -16                             
 Mt-266 m       1.23000E+03 keV                                        6MS 3                                     
 Mt-268    268.138392      +- 0.000248                                 0.07S +10 -3                              
 Mt-270    270.140459      +- 0.000219                                 5.0MS +24 -3                              
 Mt-274    274.147193      +- 0.000449                                 0.45S +81 -18                             
 Mt-275    275.148542      +- 0.000635                                 10MS +50 -5                               
 Mt-276    276.151219      +- 0.000573                                 0.72S +87 -25                             
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