element
Information about Americium-246:

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    Mass-Energy Data:

    Atomic Mass:246.069768±0.000020amu
    Excess Mass (Δ):64.988872±0.018189MeV
    Binding Energy:1846.232966±0.018192MeV
    β- Decay Energy:2.376136±0.018075MeV
"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.
Radioactive Decay Data:

  • Spin: (7-)
  • Half life: 39 min ( 2340 sec., λ = 0.000296217 s-1)
  • Mode of decay:
    β-
    to
    246
    96
    Cm
      (Q = 2.376 MeV)
    Meta state at 0.000 Mev
  • Spin: 2(-) 39
  • Half life: 25.0 min ( 1500 sec., λ = 0.000462098 s-1)
  • Mode of decay:
    β-
    to
    246
    96
    Cm
      (Q = 2.376 MeV)
  • Mode of decay: γ (IT) to
    246
    95
    Am
      Branch ratio: <0.02 %
    Meta state at 2.000 Mev 25.0
  • Half life: 73 µs ( 7.3×10-05 sec., λ = 9495.17 s-1)
  • Mode of decay: SF   (Q = 0 0.000 MeV)   Branch ratio: <=100.00 %

  • Possible parent nuclides:
    β- from
    246
    94
    Pu
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)