96-Cm-240
 basic
 XS graphs

 element
96-curium-240

  • Atomic Mass: 240.0555190 +- 0.0000029 amu
  • Excess Mass: 51715.651 +- 2.732 keV
  • Binding Energy: 1810295.896 +- 2.751 keV
  • Beta Decay Energy: B- -3940.000 +- 150.000 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: 27 d
  • Mode of decay: Alpha to Pu-236
    • Branch ratio: >99.50 %
    • Decay energy: 6.397 MeV
  • Mode of decay: EC to Am-240
    • Branch ratio: <0.50 %
    • Decay energy: 0.215 MeV
  • Mode of decay: SF
    • Branch ratio: 3.9E-6 %

    Meta state at 2.000 Mev
  • Half life: 10 ps
  • Mode of decay: SF
    • Branch ratio: <=100.00 %
    • Decay energy: 0 0.000 MeV

    Meta state at 3.000 Mev
  • Half life: 55 ns
  • Mode of decay: SF
    • Branch ratio: ~100.00 %

  • Possible parent nuclides:
    Electron capture from Bk-240
    Alpha from Cf-244
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)