73-Ta-181
 basic
 n-XS summary
 XS graphs

 element
73-tantalum-181

  • Atomic Mass: 180.9479963 +- 0.0000031 amu
  • Excess Mass: -48441.085 +- 2.892 keV
  • Binding Energy: 1452238.715 +- 2.903 keV
  • Beta Decay Energy: B- -187.890 +- 4.549 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: 99.988%
  • Spin: 7/2+
  • Stable Isotope

  • Possible parent nuclides:
    Beta from Hf-181
    Electron capture from W-181
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
0stable7/2+ +2.3705(7) NJCP 59 3911 (73)/PR 120 1812 (60)
+3.17(2) a Pi-XNP A403 572 (83)
+3.28(6) a Mu-XNP A360 187 (81)
+3.35(2) a Pi-XNP A355 383 (81)
+3.35(11) a Ka-XNP A355 383 (81)
3.4(2) ABZP A298 159 (80)
+3.30(6) a Pi-XNP A300 369 (78)
3.18(3) a Mu-XNP A278 477 (77)
3.44(6) a Mu-XPR C13 1644 (76)
66.05 ms9/2- +5.28(9) [181Ta]MEPL 32B 364 (70/PRL 21 961 (68)
+5.3(2) [181Ta]MEZP A288 369 (78)
+3.71(7) [181Ta]MEPL 93A 259 (83)
13640 ps9/2+ +2.6(7) [182Ta]IPACIzF 47 31 (83)
48210.8 ns5/2+ +3.29(3) TDPAC/CDPACPL 1 126 (62)/NP 58 651 (64)
NP 40 656 (63)
+2.35(6) [181Ta]TDPACPL 97A 217 (83)
7173.0 ps15/2+ +2(2) TFARJAERI 11 (96)
9651.93 ps17/2+ +4(2) TFARJAERI 11 (96)
12391.12.ps19/2+ +4(5) TFARJAERI 11 (96)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.