Import Geant4 9.3.0 source tree

2016-06-09 16:15:05 +02:00
parent b79225fb37
commit 74cad5e589
3877 changed files with 234205 additions and 167127 deletions
@@ -55,7 +55,9 @@ class G4NuclearFermiDensity : public G4VNuclearDensity
    
    G4double GetDeriv(const G4ThreeVector & aPosition) const
    {
-      return -std::exp((aPosition.mag()-theR)/a) * sqr(GetDensity(aPosition)) / (a*Getrho0());
+      G4double currentR=aPosition.mag();
+      if (currentR > 40*theR  ) {return 0;}
+      else return -std::exp((currentR-theR)/a) * sqr(GetDensity(aPosition)) / (a*Getrho0());
    }   
   
  private: