51-Sb-122
 basic
 fission yield
 XS graphs

 element
51-antimony-122

  • Atomic Mass: 121.9051754 +- 0.0000024 amu
  • Excess Mass: -88328.519 +- 2.239 keV
  • Binding Energy: 1033129.878 +- 2.245 keV
  • Beta Decay Energy: B- 1982.545 +- 1.962 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: 2-
  • Half life: 2.7238 d
  • Mode of decay: Beta to Te-122
    • Branch ratio: 97.59 %
    • Decay energy: 1.979 MeV
  • Mode of decay: Electron capture to Sn-122
    • Branch ratio: 2.41 %
    • Decay energy: 1.620 MeV

    Meta state at 0.137 Mev
  • Spin: (5)+
  • Half life: 0.53 ms
  • Mode of decay: IT
    • Decay energy: 0.137 MeV

    Meta state at 0.164 Mev
  • Spin: (8)-
  • Half life: 4.191 min
  • Mode of decay: IT
    • Decay energy: 0.164 MeV
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
02.68 d2- _1.90(2) "[121,123Sb]"NO/DPR 112 935 (58)
+0.85(11) st [121Sb]ABPhMg 5 1309 (60)
+0.9(2) [121Sb]NO/SZP A322 281 (85)
611.86 ms3+ +2.983(12) SOPADPR C7 2128 (73)
+0.41(4) st [121Sb]TDPADPR C26 493 (82)
137530 ms5+ +3.05(10) TDPADRRou 22 541 (75)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.