90-Th-227
 basic
 n-XS summary
 XS graphs

 element
90-thorium-227

  • Atomic Mass: 227.0276989 +- 0.0000030 amu
  • Excess Mass: 25801.317 +- 2.825 keV
  • Binding Energy: 1735977.154 +- 2.841 keV
  • Beta Decay Energy: B- -1019.327 +- 7.532 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: (1/2+)
  • Half life: 18.72 d
  • Mode of decay: Alpha to Ra-223
    • Decay energy: 6.146 MeV

  • Possible parent nuclides:
    Beta from Ac-227
    Alpha from U-231
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)