63-Eu-146
 basic
 XS graphs

 element
63-europium-146

  • Atomic Mass: 145.9171997 +- 0.0000077 amu
  • Excess Mass: -77127.958 +- 7.162 keV
  • Binding Energy: 1206252.823 +- 7.165 keV
  • Beta Decay Energy: B- -1029.888 +- 7.725 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: 4-
  • Half life: 4.61 d
  • Mode of decay: Electron capture to Sm-146
    • Decay energy: 3.878 MeV

    Meta state at 0.666 Mev
  • Spin: 9+
  • Half life: 235 us
  • Mode of decay: IT to Eu-146
    • Decay energy: 0.666 MeV

  • Possible parent nuclides:
    Electron capture from Gd-146
    Alpha from Tb-150
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
04.59 d4- +1.421(8) [151Eu]CFBLSCf93Bern 209(93)
+1.425(11) [151 Eu]CFBLSZP A321 35 (85)
1.3(2) NO/SPhca 133B 138 (85)
1.7(3) NO/SHFI 15 73 (83)
Q/Q(153Eu) = -0.074(2) [153Eu]CFBLSCf93Bern 209(93)
-0.18(6) [151 Eu]CFBLSZP A321 35 (85)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.