154
67
Ho
element 		Information about Holmium-154:

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

    Atomic Mass:153.930596±0.000010amu
    Excess Mass (Δ):-64.649151±0.009030MeV
    Binding Energy:1255.215185±0.009033MeV
    β- Decay Energy:-2.031613±0.009975MeV
"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: (2)-
  • Half life: 11.76 min ( 705.6 sec., λ = 0.000982351 s-1)
  • Mode of decay:
    E.C.
     to
    154
    66
    Dy
       (Q = 5.751 MeV)   Branch ratio: 99.98 %
  • Mode of decay:
    α
     to
    150
    65
    Tb
       (Q = 4.042 MeV)   Branch ratio: 0.02 %
    Meta state at 0.320 Mev
  • Spin: 8+ 11.76
  • Half life: 3.10 min ( 186 sec., λ = 0.0037266 s-1)
  • Mode of decay:
    E.C.
     to
    154
    66
    Dy
       (Q = 6.071 MeV)
  • Mode of decay:
    α
     to
    150
    65
    Tb
       (Q = 4.362 MeV)   Branch ratio: <0.0010 %
  • Mode of decay: γ (IT) to
    154
    67
    Ho
       (Q = 0.320 MeV)   Branch ratio: ~0.00 %

  • Possible parent nuclides:
    E.C. from
    154
    68
    Er
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)
Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
011.76 m2- -0.643(6) [165Ho]LRIMSNP A504 549 (89)
+0.19(10) st [165Ho]LRIMSNP A504 549 (89)
3203.10 m8+ +5.65(6) [165Ho]LRIMSNP A504 549 (89)
-1.0(5) st [165Ho]LRIMSNP A504 549 (89)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.