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This commit is contained in:
Gabriele Cosmo
2016-06-08 16:57:27 +02:00
parent 330b82b769
commit 37fff30d2e
5733 changed files with 263867 additions and 74574 deletions
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source/processes/hadronic/models/generator/util/include/G4NuclearFermiDensity.hh
+18 -6
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@@ -14,15 +14,15 @@
// * use. *
// * *
// * This code implementation is the intellectual property of the *
// * authors in the GEANT4 collaboration. *
// * GEANT4 collaboration. *
// * By copying, distributing or modifying the Program (or any work *
// * based on the Program) you indicate your acceptance of this *
// * statement, and all its terms. *
// ********************************************************************
//
//
// $Id: G4NuclearFermiDensity.hh,v 1.6 2002/04/24 13:10:50 gunter Exp $
// GEANT4 tag $Name: geant4-04-01 $
// $Id: G4NuclearFermiDensity.hh,v 1.8 2002/12/12 19:17:57 gunter Exp $
// GEANT4 tag $Name: geant4-05-00 $
//
#ifndef G4NuclearFermiDensity_h
#define G4NuclearFermiDensity_h 1
@@ -41,9 +41,21 @@ class G4NuclearFermiDensity : public G4VNuclearDensity
G4NuclearFermiDensity(G4double anA, G4double aZ);
~G4NuclearFermiDensity();
G4double GetRelativeDensity(const G4ThreeVector & aPosition) const;
G4double GetRadius(const G4double maxRelativeDenisty) const;
G4double GetDeriv(const G4ThreeVector & aPosition) const;
G4double GetRelativeDensity(const G4ThreeVector & aPosition) const
{
return 1./(1.+exp((aPosition.mag()-theR)/a));
}
G4double GetRadius(const G4double maxRelativeDenisty) const
{
return (maxRelativeDenisty>0 && maxRelativeDenisty <= 1 ) ?
(theR + a*log((1-maxRelativeDenisty+exp(-1*theR/a))/maxRelativeDenisty)) : DBL_MAX;
}
G4double GetDeriv(const G4ThreeVector & aPosition) const
{
return -exp((aPosition.mag()-theR)/a) * sqr(GetDensity(aPosition)) / (a*Getrho0());
}
private: