element
Information about Protactinium-215:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:215.019098±0.000145amu
    Excess Mass (Δ):17.789308±0.135426MeV
    Binding Energy:1646.350936±0.135427MeV
"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: 15 ms ( 0.015 sec., λ = 46.2098 s-1)
  • Mode of decay: α to
    211
    89
    Ac
      (Q = 8.170 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)