19-K-38
 basic

 element
19-potassium-38

  • Atomic Mass: 37.9690801 +- 0.0000008 amu
  • Excess Mass: -28801.691 +- 0.724 keV
  • Binding Energy: 320647.243 +- 0.725 keV
  • Beta Decay Energy: B- -6742.647 +- 4.607 keV
"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.
  • Spin: 3+
  • Half life: 7.636 min
  • Mode of decay: Electron capture to Ar-38
    • Decay energy: 5.913 MeV

    Meta state at 0.130 Mev
  • Spin: 0+
  • Half life: 923.9 ms
  • Mode of decay: Electron capture to Ar-38
    • Decay energy: 6.043 MeV

  • Possible parent nuclides:
    Electron capture from Ca-38
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
07.61 m3+ +1.371(6) [39K]"AB, R"PL 108B 169 (82)
345822.1 ms7+ +3.836(14) TDPADPL 48B 28 (74)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.