33-As-77
 basic
 fission yield
 XS graphs

 element
33-arsenic-77

  • Atomic Mass: 76.9206477 +- 0.0000023 amu
  • Excess Mass: -73916.177 +- 2.188 keV
  • Binding Energy: 669590.371 +- 2.190 keV
  • Beta Decay Energy: B- 682.871 +- 1.763 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: 3/2-
  • Half life: 38.83 h
  • Mode of decay: Beta to Se-77
    • Decay energy: 0.683 MeV

    Meta state at 0.475 Mev
  • Spin: 9/2+
  • Half life: 114.0 us
  • Mode of decay: IT to As-77
    • Decay energy: 0.475 MeV

  • Possible parent nuclides:
    Beta from Ge-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
264304 ps5/2- +0.74(2) TDPACNP A500 277 (89)
+0.83(7) IPACNP A217 177 (73)
<0.75 TDPACHFI 59 121 (90)
476116 ms9/2+ +5.525(9) SOPADARHMI 53 (69)
63260 ps5/2+ +2.5(4) IPACPR C10 774 (74)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.