61-Pm-140
 basic

 element
61-promethium-140

  • Atomic Mass: 139.9158016 +- 0.0000324 amu
  • Excess Mass: -78430.247 +- 30.209 keV
  • Binding Energy: 1160691.882 +- 30.210 keV
  • Beta Decay Energy: B- -2970.861 +- 33.685 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: 1+
  • Half life: 9.2 s
  • Mode of decay: Electron capture to Nd-140
    • Decay energy: 6.090 MeV

    Meta state at 0.000 Mev
  • Spin: 8-
  • Half life: 5.95 min
  • Mode of decay: Electron capture to Nd-140
    • Decay energy: 6.090 MeV

  • Possible parent nuclides:
    Electron capture from Sm-140
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)