element
Information about Holmium-153:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:152.930195±0.000006amu
    Excess Mass (Δ):-65.023389±0.005954MeV
    Binding Energy:1247.518101±0.005958MeV
    β- Decay Energy:-4.563034±0.010711MeV
"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: 2.01 min ( 120.6 sec., λ = 0.00574749 s-1)
  • Mode of decay:
    E.C.
    to
    153
    66
    Dy
      (Q = 4.130 MeV)   Branch ratio: 99.95 %
  • Mode of decay:
    α
    to
    149
    65
    Tb
      (Q = 4.052 MeV)   Branch ratio: 0.05 %
    Meta state at 0.068 Mev
  • Spin: 1/2+ 2.01
  • Half life: 9.3 min ( 558 sec., λ = 0.0012422 s-1)
  • Mode of decay:
    E.C.
    to
    153
    66
    Dy
      (Q = 4.199 MeV)   Branch ratio: 99.82 %
  • Mode of decay:
    α
    to
    149
    65
    Tb
      (Q = 4.121 MeV)   Branch ratio: 0.18 %

  • Possible parent nuclides:
    E.C. from
    153
    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
02.0 m11/2- +6.81(5) [165Ho]LRIMSNP A504 549 (89)
-1.1(5) st [165Ho]LRIMSNP A504 549 (89)
689.3 m1/2+ +1.19(1) [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.