57-La-128
 basic

 element
57-lanthanum-128

  • Atomic Mass: 127.9154479 +- 0.0004296 amu
  • Excess Mass: -78759.725 +- 400.157 keV
  • Binding Energy: 1067294.900 +- 400.157 keV
  • Beta Decay Energy: B- -3188.000 +- 499.000 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.
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)