151
67
Ho
element 		Information about Holmium-151:

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

    Atomic Mass:150.931681±0.000013amu
    Excess Mass (Δ):-63.638923±0.012167MeV
    Binding Energy:1229.990989±0.012168MeV
    β- Decay Energy:-5.383000±0.298000MeV #
"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: 11/2-)
  • Half life: 35.2 s ( 35.2 sec., λ = 0.0196917 s-1)
  • Mode of decay:
    E.C.
     to
    151
    66
    Dy
       (Q = 5.124 MeV)   Branch ratio: 78.00 %
  • Mode of decay:
    α
     to
    147
    65
    Tb
       (Q = 4.695 MeV)   Branch ratio: 22.00 %
    Meta state at 0.041 Mev
  • Spin: (1/2+) 35.2
  • Half life: 47.2 s ( 47.2 sec., λ = 0.0146853 s-1)
  • Mode of decay:
    α
     to
    147
    65
    Tb
       (Q = 4.736 MeV)   Branch ratio: 80.00 %
  • Mode of decay:
    E.C.
     to
    151
    66
    Dy
       (Q = 5.165 MeV)   Branch ratio: 20.00 %

  • Possible parent nuclides:
    E.C. from
    151
    68
    Er
    α from
    155
    69
    Tm
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)