element
Information about Europium-147:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:146.916741±0.000004amu
    Excess Mass (Δ):-77.555055±0.003598MeV
    Binding Energy:1214.751244±0.003603MeV
    β- Decay Energy:-2.187371±0.002769MeV
"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: 24.1 days ( 2.08224×10+06 sec., λ = 3.32885×10-07 s-1)
  • Mode of decay:
    E.C.
    to
    147
    62
    Sm
      (Q = 1.722 MeV)
  • Mode of decay:
    α
    to
    143
    61
    Pm
      (Q = 2.990 MeV)   Branch ratio: 0.0022 %

  • Possible parent nuclides:
    E.C. from
    147
    64
    Gd
    α from
    151
    65
    Tb
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
024.1 d5/2+ +3.736(6) [151Eu]CFBLSCf93Bern 209(93)
+3.725(7) [151 Eu]CFBLSYadF 44 1134 (86)
+3.724(8) [151 Eu]CFBLSZP A321 35 (85)
4.0(9) NO/SPhca 133B 138 (85)
3.1(4) NO/SHFI 15 73 (83)
3.7(5) NO/SIzF 43 2176 (79)
Q/Q(153Eu) = 0.218(2) [153Eu]CFBLSCf93Bern 209(93)
+0.49(3) [151 Eu]CFBLSYadF 44 1134 (86)
+0.55(3) [151 Eu]CFBLSZP A321 35 (85)
635765 ns11/2- +7.05(3) TDPADPL 77A 365 (80)
+7.04(6) [19F 197]TDPADNP A350 61 (80)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.