91-Pa-215
 basic

 element
91-protactinium-215

  • Atomic Mass: 215.0190976 +- 0.0001454 amu
  • Excess Mass: 17789.308 +- 135.426 keV
  • Binding Energy: 1646350.936 +- 135.427 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.
  • Half life: 15 ms
  • Mode of decay: Alpha to Ac-211
    • Decay energy: 8.170 MeV
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)