141
64
Gd
element 		Information about Gadolinium-141:

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

    Atomic Mass:140.932210±0.000320amu #
    Excess Mass (Δ):-63.146000±0.298000MeV #
    Binding Energy:1151.132000±0.298000MeV #
    β- Decay Energy:-8.337000±0.667000MeV #
"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:

  • Spin: (1/2+)
  • Half life: 14 s ( 14 sec., λ = 0.0495105 s-1)
  • Mode of decay:
    E.C.
     to
    141
    63
    Eu
       (Q = 7.200 MeV)
  • Mode of decay: E.C. +
    1
    1
    p+ to
    140
    62
    Sm
       (Q = 4.900 MeV)   Branch ratio: 0.03 %
    Meta state at 0.378 Mev
  • Spin: 11/2-) 14
  • Half life: 24.5 s ( 24.5 sec., λ = 0.0282917 s-1)
  • Mode of decay:
    E.C.
     to
    141
    63
    Eu
       (Q = 7.578 MeV)   Branch ratio: 89.00 %
  • Mode of decay: γ (IT)  (Q = 0.378 MeV)   Branch ratio: 11.00 %

  • Possible parent nuclides:
    E.C. from
    141
    65
    Tb
    E.C. +
    1
    1
    p+ from
    142
    66
    Dy
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)