Atomic and Nuclear PhysicsDOE-HDBK-1019/1-93MASS DEFECT AND BINDING ENERGYSummaryThe important information in this chapter is summarized below.Mass Defect and Binding Energy SummaryMass defect is the difference between the mass of the atom and the sum of themasses of its constituent parts.Binding energy is the amount of energy that must be supplied to a nucleus tocompletely separate its nuclear particles. Binding energy is the energy equivalentof the mass defect.Mass defect can be calculated by using the equation below.Dm = [ Z(mp+ me) + (A-Z)mn ] - matomBinding energy can be calculated by multiplying the mass defect by the factorof 931.5 MeV per amu.Rev. 0Page 21NP-01
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