90-Th-228
 basic
 n-XS summary
 XS graphs

 element
90-thorium-228

  • Atomic Mass: 228.0287313 +- 0.0000029 amu
  • Excess Mass: 26763.075 +- 2.658 keV
  • Binding Energy: 1743086.719 +- 2.676 keV
  • Beta Decay Energy: B- -2147.646 +- 4.435 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: 1.9116 years
  • Mode of decay: Alpha to Ra-224
    • Decay energy: 5.520 MeV
  • Mode of decay: 20O
    • Branch ratio: 1E-11 %
    • Decay energy: 5.520 MeV

  • Possible parent nuclides:
    Beta from Ac-228
    Electron capture from Pa-228
    Alpha from U-232
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)