20-Ca-56
 basic

 element
20-calcium-56

  • Atomic Mass: 55.9857900 +- 0.0009700 amu #
  • Excess Mass: -13237.000 +- 904.000 keV #
  • Binding Energy: 449584.000 +- 904.000 keV #
  • Beta Decay Energy: B- 12231.000 +- 1142.000 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.