element
Information about Potassium-47:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:46.961678±0.000009amu
    Excess Mass (Δ):-35.696887±0.007997MeV
    Binding Energy:400.184345±0.007997MeV
    β- Decay Energy:6.642807±0.007988MeV
"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: 1/2+
  • Half life: 17.50 s ( 17.5 sec., λ = 0.0396084 s-1)
  • Mode of decay:
    β-
    to
    47
    20
    Ca
      (Q = 6.643 MeV)
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
017.5 s1/2+ +1.933(9) [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.