64-Gd-155
 basic
 fission yield
 n-XS summary
 XS graphs

 element
64-gadolinium-155

  • Atomic Mass: 154.9226188 +- 0.0000032 amu
  • Excess Mass: -72080.112 +- 2.949 keV
  • Binding Energy: 1273064.530 +- 2.956 keV
  • Beta Decay Energy: B- -821.215 +- 11.878 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: 14.80%
  • Spin: 3/2-
  • Stable Isotope
    Meta state at 0.121 Mev
  • Spin: 11/2-
  • Half life: 31.97 ms
  • Mode of decay: IT
    • Decay energy: 0.121 MeV

  • Possible parent nuclides:
    Beta from Eu-155
    Electron capture from Tb-155
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
0stable3/2- -0.2572(4) ENDORJP C11 203 (78)
-0.2591(5) AB/DJP B2 122 (69)
+1.27(5) st ABLSPR A42 1416 (90)
1.27(3) a Mu-XPR C27 1772 (83)
+1.30(2) a "Mu-X, AB"PL 108B 8 (82)/JP B2 122 (69)
600.19 ns5/2- -0.44(2) a Mu-XPR C27 1772 (83)
876.35 ns5/2+ -0.525(2) [155Gd]MEHFI 5 479 (78)
-0.518(5) [155Gd]MEPhca 92B 52 (77)
-0.533(4) [155Gd]MEPL 43B 380 (73)
+0.13(3) [155Gd]MEHFI 5 479 (78)
+0.111(7) [155Gd]MEPhca 92B 52 (77)
+0.113(8) [155Gd]MEPL 43B 380 (73)
1051.18 ns3/2+ +0.143(5) [155Gd]MEHFI 5 479 (78)
+0.96(3) [155Gd]MEHFI 5 479 (78)
+1.30(4) [155Gd]MENP A233 385 (74)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.