12-Mg-23
 basic

 element
12-magnesium-23

  • Atomic Mass: 22.9941248 +- 0.0000013 amu
  • Excess Mass: -5472.666 +- 1.252 keV
  • Binding Energy: 181724.850 +- 1.252 keV
  • Beta Decay Energy: B- -12239.876 +- 25.031 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: 11.317 s
  • Mode of decay: Electron capture to Na-23
    • Decay energy: 4.057 MeV

  • Possible parent nuclides:
    Electron capture from Al-23
    EC + P from Si-24
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
011.3 s3/2+ 0.5364(3) b-NMRPL B307 278 (93)
1.25(5) b-NNQRARO p64 (96)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.