element
Information about Potassium-46:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:45.961976±0.000017amu
    Excess Mass (Δ):-35.418933±0.015563MeV
    Binding Energy:391.835068±0.015563MeV
    β- Decay Energy:7.715977±0.015565MeV
"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: (2-)
  • Half life: 105 s ( 105 sec., λ = 0.0066014 s-1)
  • Mode of decay:
    β-
    to
    46
    20
    Ca
      (Q = 7.716 MeV)

  • Possible parent nuclides:
    β- from
    46
    18
    Ar
    β- +
    1
    0
    n from
    47
    18
    Ar
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
0115 s2- -1.051(6) [39K]ABLSPL 108B 169 (82)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.