34-Se-77
 basic
 fission yield
 n-XS summary
 XS graphs

 element
34-selenium-77

  • Atomic Mass: 76.9199146 +- 0.0000016 amu
  • Excess Mass: -74599.049 +- 1.480 keV
  • Binding Energy: 669490.889 +- 1.484 keV
  • Beta Decay Energy: B- -1365.116 +- 2.799 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: 7.63%
  • Spin: 1/2-
  • Stable Isotope
    Meta state at 0.161 Mev
  • Spin: 7/2+
  • Half life: 17.36 s
  • Mode of decay: IT
    • Decay energy: 0.162 MeV

  • Possible parent nuclides:
    Beta from As-77
    Electron capture from Br-77
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
0stable1/2- +0.5350422(6) [23Na]NZNat 33a 1025 (78)/ PR 89 923 (53)
0.5350743(3) [1H]NZNat 33a 1025 (78)
2509.56 ns5/2- +1.12(3) TDPACJP G10 1571 (84)
1.1(5) TDPACHFI 14 119 (83)
43924 ps5/2- +1.0(3) IMPACCf69Heid 419 (69)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.