element
Information about Magnesium-28:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:27.983877±0.000002amu
    Excess Mass (Δ):-15.018752±0.002005MeV
    Binding Energy:231.627550±0.002005MeV
    β- Decay Energy:1.831800±0.002000MeV
"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.
Radioactive Decay Data:

  • Spin: 0+
  • Half life: 20.91 h ( 75276 sec., λ = 9.20808×10-06 s-1)
  • Mode of decay:
    β-
    to
    28
    13
    Al
      (Q = 1.832 MeV)

  • Possible parent nuclides:
    β- from
    28
    11
    Na
    β- +
    1
    0
    n from
    29
    11
    Na
    β- + 2
    1
    0
    n from
    30
    11
    Na
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)