20-Ca-57
 basic

 element
20-calcium-57

  • Atomic Mass: 56.9923560 +- 0.0010740 amu #
  • Excess Mass: -7120.000 +- 1000.000 keV #
  • Binding Energy: 451539.000 +- 1000.000 keV #
  • Beta Decay Energy: B- 14267.000 +- 1220.000 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.