Geant4  10.03.p01
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bindingEnergyAsymptotic.cc
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26 // $Id: bindingEnergyAsymptotic.cc 66241 2012-12-13 18:34:42Z gunter $
27 //
28 // 20100202 M. Kelsey -- Eliminate unnecessary use of std::pow()
29 // 20100914 M. Kelsey -- Migrate to integer A and Z; discard unused verbose
30 // 20150622 M. Kelsey -- For integer G4cbrt, move Z^4 outside.
31 
33 
35  // calculates the nuclei binding energy
36  // using smooth liquid high energy formula
37  G4double X = (1.0 - 2.0*Z/A); X *= X;
38  G4double X1 = G4cbrt(A);
39  G4double X2 = X1 * X1;
40  G4double X3 = 1.0 / X1;
41  G4double X4 = 1.0 / X2;
42  G4double X5 = (1.0 - 0.62025 * X4); X5 *= X5;
43  G4double Z13 = G4cbrt(Z);
44 
45  G4double DM = 17.035 * (1.0 - 1.846 * X) * A -
46  25.8357 * (1.0 - 1.712 * X) * X2 * X5 -
47  0.779 * Z * (Z - 1) * X3 *
48  (1.0 - 1.5849 * X4 + 1.2273 / A + 1.5772 * X4 * X4) +
49  0.4328 * Z13*Z13*Z13*Z13 * X3 *
50  (1.0 - 0.57811 * X3 - 0.14518 * X4 + 0.496 / A);
51 
52  return DM;
53 }
G4double bindingEnergyAsymptotic(G4int A, G4int Z)
int G4int
Definition: G4Types.hh:78
double A(double temperature)
double G4double
Definition: G4Types.hh:76