62-Sm-149
 basic
 fission yield
 n-XS summary
 XS graphs

 element
62-samarium-149

  • Atomic Mass: 148.9171795 +- 0.0000031 amu
  • Excess Mass: -77146.768 +- 2.922 keV
  • Binding Energy: 1231267.955 +- 2.929 keV
  • Beta Decay Energy: B- -695.268 +- 3.832 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.
  • Atomic Percent Abundance: 13.8%
  • Spin: 7/2-
  • Half life: >2E+15 years
  • Mode of decay: Alpha to Nd-145

  • Possible parent nuclides:
    Beta from Pm-149
    Electron capture from Eu-149
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
0> 2x10*15 y7/2- -0.6677(11) "[147,147Sm]"LRFSJP G16 105 (90)
-0.6717(7) [147Sm]ABPRS 293A 117 (66)
-0.6708(10) [147Sm]CFBLSIzF 49 24 (85)/YadF 44 1134 (86)
+0.078(8) "[147,147Sm]"LRFSJP G16 105 (90)
+0.075(2) "AB, R"JP G18 1177 (92)/PR A6 2011 (72)
+0.075(8) [147Sm]ABPRS 293A 117 (66)
+0.07(2) [147Sm]CFBLSIzF 49 24 (85)/YadF 44 1134 (86)
+0.09(2) a Mu-XNP A364 446 (81)
237.6 ns5/2- -0.6238(8) [149Sm]MECf70Reho 720 (70)
+1.01(9) a Mu-XNP A364 446 (81)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.