34-Se-81
 basic
 fission yield

 element
34-selenium-81

  • Atomic Mass: 80.9179929 +- 0.0000021 amu
  • Excess Mass: -76389.081 +- 1.973 keV
  • Binding Energy: 703566.213 +- 1.976 keV
  • Beta Decay Energy: B- 1585.282 +- 2.606 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: 1/2-
  • Half life: 18.45 min
  • Mode of decay: Beta to Br-81
    • Decay energy: 1.585 MeV

    Meta state at 0.103 Mev
  • Spin: 7/2+
  • Half life: 57.28 min
  • Mode of decay: IT
    • Branch ratio: 99.95 %
    • Decay energy: 0.103 MeV
  • Mode of decay: Beta to Br-81
    • Branch ratio: 0.05 %
    • Decay energy: 1.688 MeV

  • Possible parent nuclides:
    Beta from As-81
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)