90-Th-220
 basic

 element
90-thorium-220

  • Atomic Mass: 220.0157331 +- 0.0000240 amu
  • Excess Mass: 14655.310 +- 22.329 keV
  • Binding Energy: 1690623.902 +- 22.331 keV
  • Beta Decay Energy: B- -5722.509 +- 61.015 keV
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
  • Spin: 0+
  • Half life: 9.7 us
  • Mode of decay: Alpha to Ra-216
    • Decay energy: 8.953 MeV
  • Mode of decay: EC to Ac-220
    • Branch ratio: 2.0E-7 %
    • Decay energy: 0.910 MeV

  • Possible parent nuclides:
    Alpha from U-224
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)