Geant4  10.03
G4NuclearFermiDensity.cc
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27 
28 #include "G4NuclearFermiDensity.hh"
29 #include "G4PhysicalConstants.hh"
30 #include "G4SystemOfUnits.hh"
31 #include "G4Pow.hh"
32 
34  : theA(anA), a(0.545 * fermi)
35 {
36  G4double a13 = G4Pow::GetInstance()->Z13(anA);
37  const G4double r0 = 1.16 * (1. - 1.16/(a13*a13)) * fermi;
38  theR = r0 * a13;
39  Setrho0(3./ (4.*pi *r0*r0*r0 * theA * (1. + sqr(a/theR)*pi2 )));
40 }
41 
43 
static G4Pow * GetInstance()
Definition: G4Pow.cc:55
std::vector< ExP01TrackerHit * > a
Definition: ExP01Classes.hh:33
void Setrho0(G4double arho0)
int G4int
Definition: G4Types.hh:78
G4double Z13(G4int Z) const
Definition: G4Pow.hh:127
G4NuclearFermiDensity(G4int anA, G4int aZ)
static constexpr double pi
Definition: G4SIunits.hh:75
T sqr(const T &x)
Definition: templates.hh:145
double G4double
Definition: G4Types.hh:76
static constexpr double fermi
Definition: G4SIunits.hh:103
static constexpr double pi2
Definition: G4SIunits.hh:78