66-Dy-157
 basic
 fission yield
 XS graphs

 element
66-dysprosium-157

  • Atomic Mass: 156.9254613 +- 0.0000073 amu
  • Excess Mass: -69432.382 +- 6.800 keV
  • Binding Energy: 1284994.738 +- 6.804 keV
  • Beta Decay Energy: B- -2540.000 +- 50.000 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: 3/2-
  • Half life: 8.14 h
  • Mode of decay: Electron capture to Tb-157
    • Decay energy: 1.341 MeV

    Meta state at 0.199 Mev
  • Spin: 11/2-
  • Half life: 21.6 ms
  • Mode of decay: IT
    • Decay energy: 0.199 MeV

  • Possible parent nuclides:
    Electron capture from Ho-157
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
08.1 h3/2- -0.301(2) [163Dy]CFBLSPC Neugart (87)
-0.302(2) [163Dy]ABPS 6 24 (72)/PL 49A 287 (74)
+1.30(2) [163Dy]CFBLSPC Neugart (87)
+1.30(1) [163Dy]ABPS 6 24 (72)/PL 49A 287 (74)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.