Weizäcker's mass formula compared with experimental data. The parameters are from CUPS, Nuclear and Particle Physics Simulations, Wiley. The chart is color-coded according to the difference between the calculated and experimental binding energy per nucleon.
Def(Z=nuclZ()) Def(A=nuclA()) Def(N=nuclN()) Def(av=15700) Def(as=17800) Def(ac=712) Def(aa=23600) Def(ap=132) Def(Delta=ap/A*If(Even(A),If(Even(Z),1,-1),0)) Def(beE=be/A) Def(beW=(av-as*A^(-1/3)-ac*Z*(Z-1)/A^(4/3)-aa*(A-2*Z)^2/A^2+Delta/A)) Def(diff=beW-beE) ColorAccordingTo(diff) FindOut(beW) FindOut(beE) FindOut(diff) FindOut(Delta)
All contents copyright © 1996, Isotopes Project, Berkeley Lab. All rights reserved.
Revised:
P Ekström