42-Mo-91
 basic

 element
42-molybdenum-91

  • Atomic Mass: 90.9117508 +- 0.0000120 amu
  • Excess Mass: -82203.631 +- 11.161 keV
  • Binding Energy: 783835.164 +- 11.162 keV
  • Beta Decay Energy: B- -6220.000 +- 200.000 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: 9/2+
  • Half life: 15.49 min
  • Mode of decay: Electron capture to Nb-91
    • Decay energy: 4.434 MeV

    Meta state at 0.653 Mev
  • Spin: 1/2-
  • Half life: 65.0 s
  • Mode of decay: IT
    • Branch ratio: 50.10 %
    • Decay energy: 0.653 MeV
  • Mode of decay: Electron capture to Nb-91
    • Branch ratio: 49.90 %
    • Decay energy: 5.087 MeV

  • Possible parent nuclides:
    Electron capture from Tc-91
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
226747 ns21/2+ +8.81(8) [90Mo 2875]TDPADPR C27 1532 (83)
+8.97(9) TDPADNP A293 248 (77)
227938 ns17/2- +4.51(6) [90Mo 2875]TDPADPR C27 1532 (83)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.