61-Pm-135
 basic

 element
61-promethium-135

  • Atomic Mass: 134.9246170 +- 0.0003470 amu #
  • Excess Mass: -70219.000 +- 323.000 keV #
  • Binding Energy: 1112124.000 +- 323.000 keV #
  • Beta Decay Energy: B- -7203.000 +- 598.000 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: 45 s
  • Mode of decay: Electron capture to Nd-135
    • Decay energy: 5.940 MeV

    Meta state at 0.000 Mev
  • Spin: 2+,5/2+)
  • Half life: 49 s
  • Mode of decay: Electron capture to Nd-135
    • Decay energy: 5.940 MeV

  • Possible parent nuclides:
    Electron capture from Sm-135
    EC + P from Eu-136
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)