diff --git a/Inputs/EventGenerator/11Li.beam b/Inputs/EventGenerator/11Li.beam
index 132ccd7477eb7f9b581b422a857b8b29d06675ac..e7c437519193bcc9d5643445efd9530ad35bf2f4 100644
--- a/Inputs/EventGenerator/11Li.beam
+++ b/Inputs/EventGenerator/11Li.beam
@@ -1,7 +1,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%% An Isotropic Source to be used as EventGenerator %%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%			   Energy are given in MeV , Position in mm				  %	
+%      Energy are given in MeV , Position in mm , Angle is deg		  %	
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 Beam
 		ParticleZ= 3
diff --git a/NPSimulation/include/VEventGenerator.hh b/NPSimulation/include/VEventGenerator.hh
index 507d2b3fb4e93ac64e625c82c912b4883684f71f..1904d054c81f320d37e4f5000cd815e46ce8e939 100644
--- a/NPSimulation/include/VEventGenerator.hh
+++ b/NPSimulation/include/VEventGenerator.hh
@@ -35,9 +35,6 @@
 #include "G4ParticleGun.hh"
 #include "G4Event.hh"
 
-// ROOT headers
-#include"TRandom3.h"
-#include "Randomize.hh"
 using namespace CLHEP;
 using namespace std;
 
@@ -60,10 +57,8 @@ public:
    virtual void SetTargetCoordinate(G4double, G4double, G4double) {};
    
    //	Used to simulate beam emmitance effect
-   void RandomGaussian2D(double MeanX,double MeanY,double SigmaX,double SigmaY,double &X,double &Y, double NumberOfSigma=7);
+   void RandomGaussian2D(double MeanX,double MeanY,double SigmaX,double SigmaY,double &X,double &Y, double NumberOfSigma=10000);
 
-private:	//	Random Engine used by RandomGaussian2D
-	TRandom3 m_RandomEngine ;
 };
 
 
diff --git a/NPSimulation/src/VEventGenerator.cc b/NPSimulation/src/VEventGenerator.cc
index 1e9fa054fa5cee8c965f7b38d28c5decf7cfbd51..4c91b86967940865564f815bbfbf5063e8d73556 100644
--- a/NPSimulation/src/VEventGenerator.cc
+++ b/NPSimulation/src/VEventGenerator.cc
@@ -25,16 +25,16 @@
  *****************************************************************************/
 #include "VEventGenerator.hh"
 
-//Root
+// ROOT headers
 #include"TMath.h"
 
+// CLHEP headers
+#include "Randomize.hh"
 
 VEventGenerator::VEventGenerator()
 	{
 	}
 
-
-
 VEventGenerator::~VEventGenerator()
 	{
 	}
@@ -44,51 +44,22 @@ void VEventGenerator::RandomGaussian2D(double MeanX,double MeanY,double SigmaX,d
 	
 		if(SigmaX!=0)
 			{
-				X=100*SigmaX;
+				X=2* NumberOfSigma *SigmaX;
 				while(X>NumberOfSigma*SigmaX)
-			//	X = m_RandomEngine.Gaus( MeanX , SigmaX) ;
 				X = RandGauss::shoot( MeanX , SigmaX);
-				G4cout << MeanX << " " << SigmaX << G4endl ;
 				double a = NumberOfSigma * SigmaX/2  ;
 				double b = NumberOfSigma * SigmaY/2  ;
 				 
 				double SigmaYPrim = b * sqrt(  1 - X*X / (a*a) ) ;
 				SigmaYPrim = 2*SigmaYPrim / NumberOfSigma ; 
 			
-//				Y = m_RandomEngine.Gaus( MeanY , SigmaYPrim) ;
 				Y = RandGauss::shoot( MeanY , SigmaYPrim) ;
-				
 			}
 	
 		 else
 		 	{
-		 		X= MeanX;
-		 		Y = m_RandomEngine.Gaus( MeanY , SigmaY) ;
+		 		X = MeanX								;
+		 		Y = RandGauss::shoot( MeanY , SigmaY)	;
 		 	}
 	
-	
-	/*	if(SigmaX!=0)
-			{
-				X = m_RandomEngine.Gaus( MeanX , SigmaX) ;
-		
-				double NumberOfSigma ;
-				double a = SigmaX / 2. ;
-				double b = SigmaY / 2. ;
-				 
-				NumberOfSigma = ( X / a ) ;
-				NumberOfSigma =  TMath::Floor( sqrt(NumberOfSigma*NumberOfSigma)+1) ;
-		
-				double SigmaYPrim = NumberOfSigma*b * sqrt(  1 - X*X / (a*NumberOfSigma*a*NumberOfSigma) ) ;
-				SigmaYPrim = 2*SigmaYPrim / NumberOfSigma ; 
-			
-				Y = m_RandomEngine.Gaus( MeanY , SigmaYPrim) ;
-			
-			}
-	
-		 else
-		 	{
-		 		X= MeanX;
-		 		Y = m_RandomEngine.Gaus( MeanY , SigmaY) ;
-		 	}*/
-
 	}