element
Information about Darmstadtium-273:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:273.149245±0.000471amu #
    Excess Mass (Δ):139.021000±0.439000MeV #
    Binding Energy:1978.392000±0.439000MeV #
"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:

  • Half life: 170 ms ( 0.17 sec., λ = 4.07734 s-1)
  • Mode of decay: α to
    269
    108
    Hs
      (Q = 11.670 MeV)
    Meta state at 0.670 Mev 170
  • Half life: 600 µs ( 0.0006 sec., λ = 1155.25 s-1)
  • Mode of decay: α to
    269
    108
    Hs
      (Q = 12.340 MeV)   Branch ratio: ~100.00 %
  • Mode of decay: γ (IT)  (Q = 0.670 MeV)

  • Possible parent nuclides:
    α from
    277
    112
    Cn
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)