element
Information about Lead-187:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:186.984030±0.000320amu #
    Excess Mass (Δ):-14.876000±0.298000MeV #
    Binding Energy:1460.060000±0.298000MeV #
    β- Decay Energy:-8.782000±0.482000MeV #
"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: 15.2 s ( 15.2 sec., λ = 0.0456018 s-1)
  • Mode of decay:
    α
    to
    183
    80
    Hg
      (Q = 6.395 MeV)
  • Mode of decay:
    E.C.
    to
    187
    81
    Tl
      (Q = 7.200 MeV)
    Meta state at 0.000 Mev
  • Spin: 13/2+) 15.2
  • Half life: 18.3 s ( 18.3 sec., λ = 0.0378769 s-1)
  • Mode of decay:
    E.C.
    to
    187
    81
    Tl
      (Q = 7.200 MeV)   Branch ratio: >90.00 %
  • Mode of decay:
    α
    to
    183
    80
    Hg
      (Q = 6.395 MeV)   Branch ratio: <10.0 %
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)