61-Pm-137
 basic

 element
61-promethium-137

  • Atomic Mass: 136.9207130 +- 0.0001450 amu #
  • Excess Mass: -73856.000 +- 135.000 keV #
  • Binding Energy: 1131903.000 +- 135.000 keV #
  • Beta Decay Energy: B- -5900.000 +- 122.000 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: 11/2-
  • Half life: 2.4 min
  • Mode of decay: Electron capture to Nd-137
    • Decay energy: 5.580 MeV

  • Possible parent nuclides:
    Electron capture from Sm-137
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)