63-Eu-154
 basic
 fission yield
 n-XS summary
 XS graphs

 element
63-europium-154

  • Atomic Mass: 153.9229754 +- 0.0000031 amu
  • Excess Mass: -71747.955 +- 2.914 keV
  • Binding Energy: 1265443.403 +- 2.921 keV
  • Beta Decay Energy: B- 1968.354 +- 1.057 keV
"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.
  • Spin: 3-
  • Half life: 8.593 years
  • Mode of decay: Beta to Gd-154
    • Branch ratio: 99.98 %
    • Decay energy: 1.969 MeV
  • Mode of decay: Electron capture to Sm-154
    • Branch ratio: 0.02 %
    • Decay energy: 0.717 MeV

    Meta state at 0.145 Mev
  • Spin: (8-)
  • Half life: 46.3 min
  • Mode of decay: IT
    • Decay energy: 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.