element
Information about Potassium-44:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:43.961556±0.000038amu
    Excess Mass (Δ):-35.810214±0.035787MeV
    Binding Energy:376.083703±0.035787MeV
    β- Decay Energy:5.658873±0.035777MeV
"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: 22.13 min ( 1327.8 sec., λ = 0.000522027 s-1)
  • Mode of decay:
    β-
    to
    44
    20
    Ca
      (Q = 5.660 MeV)

  • Possible parent nuclides:
    β- from
    44
    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
022.1 m2- -0.856(4) [39K]"ABLS, R"PL 108B 169 (82)/JPPa 43 509 (82)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.