88-Ra-209

• Atomic Mass: 209.0019440 ± 0.0001340 amu
• Excess Mass: 1811.000 ± 125.000 keV
• Binding Energy: 1616249.000 ± 125.000 keV
• Beta Decay Energy: B- -7103.000 ± 273.000 keV

• Spin: 5/2-
• Half life: 4.6 S ( 4.3478 % )
• Mode of decay: Alpha to Rn-205
  • Branch ratio: ~ 90.00
  • Decay energy: 7.150 MeV
• Mode of decay: Electron capture to Fr-209
  • Branch ratio: ~ 10.00
  • Decay energy: 5.610 MeV

• Possible parent nuclides:

  Electron capture from Ac-209

  Alpha from Th-213

Element Ra