103-Lr-257

• Atomic Mass: 257.0996060 ± 0.0002230 amu
• Excess Mass: 92782.000 ± 207.000 keV
• Binding Energy: 1900965.000 ± 207.000 keV
• Beta Decay Energy: B- -3229.000 ± 337.000 keV

• Spin: (9/2+)
• Half life: 0.646 S ( 3.8700 % )
• Mode of decay: SF
  • Branch ratio: <= .65E-3
  • Decay energy: 9.010 MeV
• Mode of decay: Alpha to Md-253
  • Decay energy: 9.010 MeV

• Possible parent nuclides:

  Electron capture from Rf-257

  Alpha from Db-261

Element Lr