element
Information about Sodium-28:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:27.998890±0.000081amu
    Excess Mass (Δ):-1.033576±0.075743MeV
    Binding Energy:218.424727±0.075743MeV
    β- Decay Energy:13.985176±0.075770MeV
"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: 1+
  • Half life: 30.5 ms ( 0.0305 sec., λ = 22.7261 s-1)
  • Mode of decay:
    β-
    to
    28
    12
    Mg
      (Q = 13.990 MeV)
  • Mode of decay: β- +
    1
    0
    n to
    27
    12
    Mg
      (Q = 5.480 MeV)   Branch ratio: 0.58 %

  • Possible parent nuclides:
    β- +
    1
    0
    n from
    29
    10
    Ne
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
030.5 ms1+ +2.426(5) [23Na]ABLSPR C18 2342 (78)
-0.02(4) ABLSPR C25 2756 (82)
Q/Q(26Na)=-7.7(2) CFBLS/b-NMRHFI 97/98 543 (96)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.