72-Hf-178
 basic
 n-XS summary
 XS graphs

 element
72-hafnium-178

  • Atomic Mass: 177.9436977 +- 0.0000027 amu
  • Excess Mass: -52445.216 +- 2.515 keV
  • Binding Energy: 1432811.231 +- 2.527 keV
  • Beta Decay Energy: B- -1912.000 +- 100.499 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: 27.297%
  • Spin: 0+
  • Stable Isotope
    Meta state at 1.147 Mev
  • Spin: 8-
  • Half life: 4.0 s
  • Mode of decay: IT
    • Decay energy: 1.147 MeV

    Meta state at 2.446 Mev
  • Spin: 16+
  • Half life: 31 years
  • Mode of decay: IT
    • Decay energy: 2.446 MeV

  • Possible parent nuclides:
    Beta from Lu-178
    Electron capture from Ta-178
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
931.47 ns2+ +0.48(3) CEADNP A109 201 (68)
+0.60(4) IPACArkF 22 257 (62)
-2.02(2) a Mu-XPR C30 350 (84)
11474 s8- 3(2) BFNOPC Postma (88)
155477 ns6+ +5.84(5) TDPADNP A349 1 (80)
+5.89(9) TDPADHFI 4 216 (78)
244631 y16+ +8.16(4) [177Hf]CFBLSPRL 72 2689 (94)
7(3) BFNOPC Postma (88)
+6.00(7) [177Hf]CFBLSPRL 72 2689 (94)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.