element
Information about Sodium-27:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:26.994009±0.000041amu
    Excess Mass (Δ):-5.580857±0.038180MeV
    Binding Energy:214.900686±0.038180MeV
    β- Decay Energy:9.005645±0.038179MeV
"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: 5/2+
  • Half life: 301 ms ( 0.301 sec., λ = 2.30281 s-1)
  • Mode of decay:
    β-
    to
    27
    12
    Mg
      (Q = 9.010 MeV)
  • Mode of decay: β- +
    1
    0
    n to
    26
    12
    Mg
      (Q = 2.560 MeV)   Branch ratio: 0.13 %

  • Possible parent nuclides:
    β- +
    1
    0
    n from
    28
    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
00.29 s5/2+ +3.895(5) [23Na]ABLSPR C18 2342 (78)
-0.06(5) ABLSPR C25 2756 (82)
Q/Q(26Na)=1.39(4) 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.