104-Rf-257

• Atomic Mass: 257.1030720 ± 0.0002850 amu
• Excess Mass: 96011.000 ± 265.000 keV
• Binding Energy: 1896954.000 ± 265.000 keV
• Beta Decay Energy: B- -4459.000 ± 353.000 keV

• Spin: (7/2+)
• Half life: 4.7 S ( 6.3830 % )
• Mode of decay: Electron capture to Lr-257
  • Branch ratio: 18.00
  • Decay energy: 3.400 MeV
• Mode of decay: SF
  • Branch ratio: 2.40
• Mode of decay: Alpha to No-253
  • Branch ratio: 79.60
  • Decay energy: 9.250 MeV

• Possible parent nuclides:

  Electron capture from Db-257

  Alpha from Sg-261

Element Rf