124
59
Pr
element 		Information about Praseodymium-124:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation
    Mass-Energy Data:

    Atomic Mass:123.942960±0.000640amu #
    Excess Mass (Δ):-53.132000±0.596000MeV #
    Binding Energy:1007.818000±0.596000MeV #
"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: 1.2 s ( 1.2 sec., λ = 0.577623 s-1)
  • Mode of decay:
    E.C.
     to
    124
    58
    Ce
       (Q = 11.600 MeV)
  • Mode of decay: E.C. +
    1
    1
    p+ to
    123
    57
    La
       (Q = 8.300 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)