element
Information about Roentgenium-272:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:272.153477±0.000356amu #
    Excess Mass (Δ):142.963000±0.331000MeV #
    Binding Energy:1965.596000±0.331000MeV #
"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: 1.5 ms ( 0.0015 sec., λ = 462.098 s-1)
  • Mode of decay: α to
    268
    109
    Mt
      (Q = 11.230 MeV)
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)