Basic Info

Fission Yield

n-XS summary


element
Information about Europium-154:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:153.922975±0.000003amu
    Excess Mass (Δ):-71.747955±0.002914MeV
    Binding Energy:1265.443403±0.002921MeV
    β- Decay Energy:1.968354±0.001057MeV
"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: 3-
  • Half life: 8.593 years ( 2.71023×10+08 sec., λ = 2.55752×10-09 s-1)
  • Mode of decay:
    β-
    to
    154
    64
    Gd
      (Q = 1.969 MeV)   Branch ratio: 99.98 %
  • Mode of decay:
    E.C.
    to
    154
    62
    Sm
      (Q = 0.717 MeV)   Branch ratio: 0.02 %
    Meta state at 0.145 Mev
  • Spin: (8-) 8.593
  • Half life: 46.3 min ( 2778 sec., λ = 0.000249513 s-1)
  • Mode of decay: γ (IT)  (Q = 0.145 MeV)
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
08.6 y3- -2.005(6) [153Eu]EPRPR 108 58 (57)
-2.02(5) [151Eu]CFBLSYadF 44 1134 (86)
+2.84(10) [151Eu]CFBLSYadF 44 1134 (86)
+3.4(3) [152Eu]"NO/S, O, R"PR 128 1733 (62)/PL 31B 295 (70)/
ZP 245 411 (71)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.