57-La-127
 basic

 element
57-lanthanum-127

  • Atomic Mass: 126.9161600 +- 0.0002400 amu #
  • Excess Mass: -78096.000 +- 224.000 keV #
  • Binding Energy: 1058560.000 +- 224.000 keV #
  • Beta Decay Energy: B- -6139.000 +- 373.000 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: 5.1 min
  • Mode of decay: Electron capture to Ba-127
    • Decay energy: 4.690 MeV

    Meta state at 0.014 Mev
  • Spin: (3/2+)
  • Half life: 3.7 min
  • Mode of decay: Electron capture to Ba-127
    • Decay energy: 4.705 MeV
  • Mode of decay: IT to La-127
    • Decay energy: 0.015 MeV

  • Possible parent nuclides:
    Electron capture from Ce-127
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)