element
Information about Holmium-155:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:154.929079±0.000025amu
    Excess Mass (Δ):-66.062398±0.023348MeV
    Binding Energy:1264.699755±0.023349MeV
    β- Decay Energy:-3.842588±0.055236MeV
"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: 5/2+
  • Half life: 48 min ( 2880 sec., λ = 0.000240676 s-1)
  • Mode of decay:
    E.C.
    to
    155
    66
    Dy
      (Q = 3.102 MeV)

  • Possible parent nuclides:
    E.C. from
    155
    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
048 m5/2+ +3.51(3) [165Ho]LRIMSNP A504 549 (89)
+1.52(10) 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.