Geant4_10
G4NuclearShellModelDensity.cc
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28 
30 #include "G4PhysicalConstants.hh"
31 #include "G4SystemOfUnits.hh"
32 
34 : theA(anA)//, theZ(aZ)
35 {
36  const G4double r0sq=0.8133*fermi*fermi;
37  theRsquare= r0sq * std::pow(G4double(theA), 2./3. );
38  Setrho0(std::pow(1./(pi*theRsquare),3./2.));
39 }
40 
42 
44 {
45  return std::exp(-1*aPosition.mag2()/theRsquare);
46 }
47 
49 {
50 
51  return (maxRelativeDensity>0 && maxRelativeDensity <= 1 ) ?
52  std::sqrt(theRsquare * std::log(1/maxRelativeDensity) ) : DBL_MAX;
53 }
54 
56 {
57  return -2* aPosition.mag() / theRsquare * GetDensity(aPosition);
58 }
G4double GetDeriv(const G4ThreeVector &aPosition) const
G4double GetRelativeDensity(const G4ThreeVector &aPosition) const
void Setrho0(G4double arho0)
int G4int
Definition: G4Types.hh:78
G4NuclearShellModelDensity(G4int anA, G4int aZ)
G4double GetDensity(const G4ThreeVector &aPosition) const
G4double GetRadius(const G4double maxRelativeDenisty) const
double mag2() const
double G4double
Definition: G4Types.hh:76
double mag() const
#define DBL_MAX
Definition: templates.hh:83