74-W-186
 basic
 n-XS summary
 XS graphs

 element
74-tungsten-186

  • Atomic Mass: 185.9543622 +- 0.0000031 amu
  • Excess Mass: -42511.327 +- 2.899 keV
  • Binding Energy: 1485883.217 +- 2.910 keV
  • Beta Decay Energy: B- -581.556 +- 1.716 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: 28.426%
  • Spin: 0+
  • Stable Isotope

  • Possible parent nuclides:
    Beta from Ta-186
    Electron capture from Re-186
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
1231.05 ns2+ 0.62(3) TFNP A528 447 (91)
+0.62(2) [182W 100]"ME, RIGV"PR 170 1066 (68)/NP A151 401 (70)
-1.6(3) CERBAPS 22 1032 (77)
39636 ps4+ +1.28(10) [186W 123]TFZP A320 669 (85)
-2.6(13) CERORNL-4513 56 (70)
7374.4 ps2+ +0.39(8) [186W 123]TFZP A320 669 (85)
1.2(3) CERNP A291 510 (77)
+1.3(3) CERNP A289 253 (77)
0.7(4) CERORNL-4513 56 (70)
8093.5 ps6+ +1.9(4) [186W 123]TFZP A320 669 (85)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.