diff --git a/Inputs/DetectorConfiguration/Riken_30mm.detector b/Inputs/DetectorConfiguration/Riken_30mm.detector
index 8661159da643abececfe1e2295ace79e32afc8f5..9b4ab4aec4e3b209c26c16fe6df7bf8603191609 100644
--- a/Inputs/DetectorConfiguration/Riken_30mm.detector
+++ b/Inputs/DetectorConfiguration/Riken_30mm.detector
@@ -11,17 +11,17 @@ GeneralTarget
 	THICKNESS= 1
 	RADIUS=	45
 	MATERIAL= CD2
-	X= 10
-	Y= -10
-	Z= 50
+	X= 0
+	Y= 0
+	Z= 0
 	
 CryoTarget
-	THICKNESS= 3000
+	THICKNESS= 3
 	RADIUS=	45
 	TEMPERATURE= 26
 	PRESSURE= 1
 	MATERIAL= D2	
-	WINDOWSTHICKNESS= 15
+	WINDOWSTHICKNESS= 0
 	WINDOWSMATERIAL= Mylar
 	X= 0
 	Y= 0
@@ -114,4 +114,8 @@ A=	12.57	-56.09	129.14
 B=	59.44	-56.09	110.34
 C=	65.26	-9.66	124.87
 D=	18.39	-9.66	143.67
+			
+
+			
+
 
diff --git a/Inputs/DetectorConfiguration/Riken_45mm.detector b/Inputs/DetectorConfiguration/Riken_45mm.detector
deleted file mode 100644
index a4293bd6cb7c6d9ac9dbea193706f29a0df20c02..0000000000000000000000000000000000000000
--- a/Inputs/DetectorConfiguration/Riken_45mm.detector
+++ /dev/null
@@ -1,89 +0,0 @@
-			
-%%%%%%%%%%%%%%%%%%%%%			
-MUST2Array			
-%%%%%%% Telescope 1 %%%%%%%			
-M2Telescope 			
-X1_Y1=	10.85	105.03	162.16
-X1_Y128=	22.8	9.84	191.95
-X128_Y1=	104.09	105.03	124.76
-X128_Y128=	116.04	9.84	154.55
-SI=	1		
-SILI=	0		
-CSI=	1		
-VIS=	all		
-			
-%%%%%%% Telescope 2 %%%%%%%			
-M2Telescope 			
-X1_Y1=	-116.04	9.84	154.55
-X1_Y128=	-22.8	9.84	191.95
-X128_Y1=	-104.09	105.03	124.76
-X128_Y128=	-10.85	105.03	162.16
-SI=	1		
-SILI=	0		
-CSI=	1		
-VIS=	all		
-			
-%%%%%%% Telescope 3 %%%%%%%			
-M2Telescope 			
-X1_Y1=	-10.85	-105.03	162.16
-X1_Y128=	-22.8	-9.84	191.95
-X128_Y1=	-104.09	-105.03	124.76
-X128_Y128=	-116.04	-9.84	154.55
-SI=	1		
-SILI=	0		
-CSI=	1		
-VIS=	all		
-			
-%%%%%%% Telescope 4 %%%%%%%			
-M2Telescope 			
-X1_Y1=	116.04	-9.84	154.55
-X1_Y128=	22.8	-9.84	191.95
-X128_Y1=	104.09	-105.03	124.76
-X128_Y128=	10.85	-105.03	162.16
-SI=	1		
-SILI=	0		
-CSI=	1		
-VIS=	all		
-			
-%%%%%%% Telescope 5 %%%%%%%			
-M2Telescope 			
-X1_Y1=	-50.23	-50.23	341
-X1_Y128=	50.23	-50.23	341
-X128_Y1=	-50.23	50.23	341
-X128_Y128=	50.23	50.23	341
-SI=	1		
-SILI=	0		
-CSI=	1		
-VIS=	all		
-			
-%%%%%%%%%%%%%%%%%%%%			
-AddThinSi			
-%%%%%%%%% Det 1 %%%%%%%%			
-ThinSi			
-A=	18.08	9.61	142.76
-B=	64.95	9.61	123.96
-C=	59.12	56.04	109.43
-D=	12.25	56.04	128.23
-			
-%%%%%%%%% Det 2 %%%%%%%%			
-ThinSi			
-A=	-116.04	9.84	154.55
-B=	-22.8	9.84	191.95
-C=	-104.09	105.03	124.76
-D=	-10.85	105.03	162.16
-			
-%%%%%%%%% Det 3 %%%%%%%%			
-ThinSi			
-A=	-12.25	56.04	128.23
-B=	-59.12	56.04	109.43
-C=	-64.95	9.61	123.96
-D=	-18.08	9.61	142.76
-			
-%%%%%%%%% Det 4 %%%%%%%%			
-ThinSi			
-A=	-10.85	-105.03	162.16
-B=	-22.8	-9.84	191.95
-C=	-104.09	-105.03	124.76
-D=	-116.04	-9.84	154.55
-			
-
diff --git a/Inputs/DetectorConfiguration/Riken_55mm.detector b/Inputs/DetectorConfiguration/Riken_55mm.detector
deleted file mode 100644
index 86c78d2890ab969cb4aaa8502e77d07a5ef55832..0000000000000000000000000000000000000000
--- a/Inputs/DetectorConfiguration/Riken_55mm.detector
+++ /dev/null
@@ -1,89 +0,0 @@
-			
-%%%%%%%%%%%%%%%%%%%%%			
-MUST2Array			
-%%%%%%% Telescope 1 %%%%%%%			
-M2Telescope 			
-X1_Y1=	10.85	105.03	162.16
-X1_Y128=	22.8	9.84	191.95
-X128_Y1=	104.09	105.03	124.76
-X128_Y128=	116.04	9.84	154.55
-SI=	1		
-SILI=	0		
-CSI=	1		
-VIS=	all		
-			
-%%%%%%% Telescope 2 %%%%%%%			
-M2Telescope 			
-X1_Y1=	-116.04	9.84	154.55
-X1_Y128=	-22.8	9.84	191.95
-X128_Y1=	-104.09	105.03	124.76
-X128_Y128=	-10.85	105.03	162.16
-SI=	1		
-SILI=	0		
-CSI=	1		
-VIS=	all		
-			
-%%%%%%% Telescope 3 %%%%%%%			
-M2Telescope 			
-X1_Y1=	-10.85	-105.03	162.16
-X1_Y128=	-22.8	-9.84	191.95
-X128_Y1=	-104.09	-105.03	124.76
-X128_Y128=	-116.04	-9.84	154.55
-SI=	1		
-SILI=	0		
-CSI=	1		
-VIS=	all		
-			
-%%%%%%% Telescope 4 %%%%%%%			
-M2Telescope 			
-X1_Y1=	116.04	-9.84	154.55
-X1_Y128=	22.8	-9.84	191.95
-X128_Y1=	104.09	-105.03	124.76
-X128_Y128=	10.85	-105.03	162.16
-SI=	1		
-SILI=	0		
-CSI=	1		
-VIS=	all		
-			
-%%%%%%% Telescope 5 %%%%%%%			
-M2Telescope 			
-X1_Y1=	-50.23	-50.23	341
-X1_Y128=	50.23	-50.23	341
-X128_Y1=	-50.23	50.23	341
-X128_Y128=	50.23	50.23	341
-SI=	1		
-SILI=	0		
-CSI=	1		
-VIS=	all		
-			
-%%%%%%%%%%%%%%%%%%%%			
-AddThinSi			
-%%%%%%%%% Det 1 %%%%%%%%			
-ThinSi			
-A=	17.9	9.26	131.58
-B=	64.77	9.26	112.78
-C=	58.95	53.69	98.26
-D=	12.38	53.69	117.06
-			
-%%%%%%%%% Det 2 %%%%%%%%			
-ThinSi			
-A=	-116.04	9.84	154.55
-B=	-22.8	9.84	191.95
-C=	-104.09	105.03	124.76
-D=	-10.85	105.03	162.16
-			
-%%%%%%%%% Det 3 %%%%%%%%			
-ThinSi			
-A=	-12.08	53.69	117.06
-B=	-58.95	53.69	98.26
-C=	-64.77	9.26	112.78
-D=	-17.9	9.26	131.58
-			
-%%%%%%%%% Det 4 %%%%%%%%			
-ThinSi			
-A=	-10.85	-105.03	162.16
-B=	-22.8	-9.84	191.95
-C=	-104.09	-105.03	124.76
-D=	-116.04	-9.84	154.55
-			
-
diff --git a/Inputs/DetectorConfiguration/Riken_65mm.detector b/Inputs/DetectorConfiguration/Riken_65mm.detector
index 5470d39192c13ca49b9165d9977f853c7610314b..71a3c84bab878833a0c88de61bb768b86592448e 100644
--- a/Inputs/DetectorConfiguration/Riken_65mm.detector
+++ b/Inputs/DetectorConfiguration/Riken_65mm.detector
@@ -11,9 +11,9 @@ GeneralTarget
 	THICKNESS= 1
 	RADIUS=	45
 	MATERIAL= CD2
-	X= 10
-	Y= -10
-	Z= 50
+	X= 0
+	Y= 0
+	Z= 0
 	
 CryoTarget
 	THICKNESS= 3000
@@ -27,13 +27,11 @@ CryoTarget
 	Y= 0
 	Z= 0			
 			
-
-
 %%%%%%%%%%%%%%%%%%%%%			
 MUST2Array			
 %%%%%%% Telescope 1 %%%%%%%			
 M2Telescope 			
-X1_Y1=	10.85	105.03	146.16
+X1_Y1=		10.85	105.03	146.16
 X1_Y128=	22.8	9.84	175.95
 X128_Y1=	104.09	105.03	108.76
 X128_Y128=	116.04	9.84	138.55
@@ -44,7 +42,7 @@ VIS=	all
 			
 %%%%%%% Telescope 2 %%%%%%%			
 M2Telescope 			
-X1_Y1=	-116.04	9.84	138.55
+X1_Y1=		-116.04	9.84	138.55
 X1_Y128=	-22.8	9.84	175.95
 X128_Y1=	-104.09	105.03	108.76
 X128_Y128=	-10.85	105.03	146.16
@@ -55,7 +53,7 @@ VIS=	all
 			
 %%%%%%% Telescope 3 %%%%%%%			
 M2Telescope 			
-X1_Y1=	-10.85	-105.03	146.16
+X1_Y1=		-10.85	-105.03	146.16
 X1_Y128=	-22.8	-9.84	175.95
 X128_Y1=	-104.09	-105.03	108.76
 X128_Y128=	-116.04	-9.84	138.55
@@ -66,7 +64,7 @@ VIS=	all
 			
 %%%%%%% Telescope 4 %%%%%%%			
 M2Telescope 			
-X1_Y1=	116.04	-9.84	138.55
+X1_Y1=		116.04	-9.84	138.55
 X1_Y128=	22.8	-9.84	175.95
 X128_Y1=	104.09	-105.03	108.76
 X128_Y128=	10.85	-105.03	146.16
@@ -77,7 +75,7 @@ VIS=	all
 			
 %%%%%%% Telescope 5 %%%%%%%			
 M2Telescope 			
-X1_Y1=	-50.23	-50.23	325
+X1_Y1=		-50.23	-50.23	325
 X1_Y128=	50.23	-50.23	325
 X128_Y1=	-50.23	50.23	325
 X128_Y128=	50.23	50.23	325
@@ -117,3 +115,4 @@ C=	64.48	-9.85	85.31
 D=	17.61	-9.85	104.11
 			
 
+
diff --git a/NPAnalysis/10He_Riken/Analysis b/NPAnalysis/10He_Riken/Analysis
index 73acf47f2d6e340653baac089ce92f0d1716e695..4a6726f22173df4161279eda7ba26322d4933327 100755
Binary files a/NPAnalysis/10He_Riken/Analysis and b/NPAnalysis/10He_Riken/Analysis differ
diff --git a/NPAnalysis/10He_Riken/include/ObjectManager.hh b/NPAnalysis/10He_Riken/include/ObjectManager.hh
index 8cef0cdee67777ad8b16301617c9a42042b4adc7..eef1cd4254777d0770bb24083d14f12fc0c4aa56 100644
--- a/NPAnalysis/10He_Riken/include/ObjectManager.hh
+++ b/NPAnalysis/10He_Riken/include/ObjectManager.hh
@@ -106,17 +106,22 @@ namespace ENERGYLOSS
 	
 		//	Declare your Energy loss here	:
 			EnergyLoss He3TargetWind = EnergyLoss 	(	"3He_Mylar.txt" 	,
-														1000 				,
+														100000	 				,
 														1					,
 														3					);
 		
 			EnergyLoss He3TargetGaz = EnergyLoss 	(	"3He_D2gaz_1b_26K.txt" 	,
-														100 				,
+														100000	 				,
 														1					,
 														3					);
 			
 			EnergyLoss He3StripAl   = EnergyLoss 	(	"3He_Al.txt" 		,
-														100 				,
+														100000				,
+														1					,
+														3					);
+														
+			EnergyLoss He3StripSi   = EnergyLoss 	(	"3He_Si.txt" 		,
+														100000						,
 														1					,
 														3					);
 	
diff --git a/NPAnalysis/10He_Riken/src/Analysis.cc b/NPAnalysis/10He_Riken/src/Analysis.cc
index a88cb3a92c65fd92962699030df914937fb7478d..a05f1ef61a1c56792bebc901f3622417e5095a1e 100644
--- a/NPAnalysis/10He_Riken/src/Analysis.cc
+++ b/NPAnalysis/10He_Riken/src/Analysis.cc
@@ -31,7 +31,8 @@ int main(int argc,char** argv)
 	myDetector	->	ReadConfigurationFile(detectorfileName)		;
 	
 	//	Attach more branch to the output
-	double ThinSi=-1 ;double Ex = 0 ; double EE = 0 ; double TT = 0 ; double X = 0 ; double Y = 0 ; int det ; double ResolTheta=0;
+	double ThinSi=-1 ;double Ex = 0 ; double EE = 0 ; double TT = 0 ; double X = 0 ; double Y = 0 ; int det ; double ResolThetaCM=0;
+	double ThetaCM=0;
 	RootOutput::getInstance()->GetTree()->Branch("ExcitationEnergy",&Ex,"Ex/D") ;
 	RootOutput::getInstance()->GetTree()->Branch("E",&EE,"EE/D") ;
 	RootOutput::getInstance()->GetTree()->Branch("A",&TT,"TT/D") ;
@@ -39,7 +40,8 @@ int main(int argc,char** argv)
 	RootOutput::getInstance()->GetTree()->Branch("Y",&Y,"Y/D") ;
 	RootOutput::getInstance()->GetTree()->Branch("Y",&Y,"Y/D") ;
 	RootOutput::getInstance()->GetTree()->Branch("ThinSi_E",&ThinSi,"ThinSi/D") ;
-	
+	RootOutput::getInstance()->GetTree()->Branch("ThetaCM",&ThetaCM,"ThetaCM/D") ;
+	RootOutput::getInstance()->GetTree()->Branch("ResolThetaCM",&ResolThetaCM,"ResolThetaCM/D") ;
 	//	Get the formed Chained Tree and Treat it
 	TChain* Chain = RootInput:: getInstance() -> GetChain()	;
 	
@@ -74,79 +76,83 @@ double TrueE=0 ; double TrueTheta=0 ;
 
 //			TVector3 BeamDirection = TVector3(cos(BeamPhi)*sin(BeamTheta) , sin(BeamPhi)*sin(BeamTheta) , cos(BeamTheta)) ;	
 			TVector3 BeamDirection = TVector3(0,0,1) ;  BeamDirection.SetTheta(BeamTheta) ; BeamDirection.SetPhi(BeamPhi) ;
-			double Theta = ThetaCalculation ( HitDirection , BeamDirection ) ;				
-
+			double Theta  = ThetaCalculation ( HitDirection , BeamDirection   ) ;				
+			double ThetaN = ThetaCalculation ( HitDirection , TVector3(0,0,1) ) ;
+			
 			if(E>-1000 && ThinSi>0 )	
 				{
-						
-						E=E+ThinSi;
+		 				
+						//E=E+ThinSi; 
 						
 //						E= He3StripAl.EvaluateInitialEnergy(		E 					, // Energy of the detected particle
 //																	2*2*0.4*micrometer	, // One for ThinSi and one for Must
 //																	0					);	
 							
-//						E= He3StripAl.EvaluateInitialEnergy(		E 					, // Energy of the detected particle
-//																	2*0.4*micrometer	, // Target Thickness at 0 degree
-//																	0					);
+						E= He3StripAl.EvaluateInitialEnergy(		E 					, // Energy of the detected particle
+																	0.4*micrometer		, // Target Thickness at 0 degree
+																	0					);
 //				
-//						E= He3TargetWind.EvaluateInitialEnergy( 	E 					, // Energy of the detected particle
-//																 	2*15*micrometer		, // Target Thickness at 0 degree
-//																	Theta				);
+//						double Eb= He3StripSi.EvaluateInitialEnergy( 	E 					, // Energy of the detected particle
+//																 		20*micrometer		, // Target Thickness at 0 degree
+//																		0					);
+
+						//cout << E << "  " << Eb-E << " " << ThinSi << endl ;
+
+						E= He3TargetWind.EvaluateInitialEnergy( 		E 					, // Energy of the detected particle
+																 		15*micrometer		, // Target Thickness at 0 degree
+																		ThetaN				);
 															
-//						E= He3TargetGaz.EvaluateInitialEnergy(		E 					, // Energy of the detected particle
-//																	3*mm				, // Target Thickness at 0 degree
-//																	Theta				);
-				
-							
-					
-					
-					E=E+ThinSi;
-					
+						E= He3TargetGaz.EvaluateInitialEnergy(			E 					, // Energy of the detected particle
+																		1.5*mm				, // Target Thickness at 0 degree
+																		ThetaN				);
+																		
+					ThetaCM = myReaction -> EnergyLabToThetaCM( E , 1 ) /deg ;
+					ResolThetaCM =ThetaCM - Init->GetICEmittedAngleThetaCM(0) ;
 					Ex = myReaction -> ReconstructRelativistic( E , Theta ) ;	
 					X = HitDirection . X();
 					Y = HitDirection . Y();	
 				}
 				
-			else if(ThinSi>0)
-				{
-				
-//					ThinSi= He3StripAl.EvaluateInitialEnergy(	ThinSi 				, // Energy of the detected particle
-//																2*0.4*micrometer	, // Target Thickness at 0 degree
-//																0					);
+//			else if(ThinSi>0)
+//				{
 //				
+////					ThinSi= He3StripAl.EvaluateInitialEnergy(	ThinSi 				, // Energy of the detected particle
+////																2*0.4*micrometer	, // Target Thickness at 0 degree
+////																0					);
+////				
 //					ThinSi= He3TargetWind.EvaluateInitialEnergy( ThinSi 			, // Energy of the detected particle
-//																 2*15*micrometer	, // Target Thickness at 0 degree
-//																 Theta				);
-//															
-//						ThinSi= He3TargetGaz.EvaluateInitialEnergy(	ThinSi 			, // Energy of the detected particle
-//																3*mm				, // Target Thickness at 0 degree
-//																Theta				);
-				 
-					E= ThinSi;
-					
-					Ex = myReaction -> ReconstructRelativistic( E , Theta ) ;	
-					X = HitDirection . X();
-					Y = HitDirection . Y();	
-					
-				}
-			if(E>-1000 )
+//																 15*micrometer	, // Target Thickness at 0 degree
+//																 ThetaN				);
+////															
+////						ThinSi= He3TargetGaz.EvaluateInitialEnergy(	ThinSi 			, // Energy of the detected particle
+////																3*mm				, // Target Thickness at 0 degree
+////																ThetaN				);
+//				 
+//					E= ThinSi;
+//					
+//					Ex = myReaction -> ReconstructRelativistic( E , Theta ) ;	
+//					X = HitDirection . X();
+//					Y = HitDirection . Y();	
+//					
+//				} 
+
+			else if(E>-1000 )
 				{
 				
 				
 				
-//				E= He3StripAl.EvaluateInitialEnergy(	E 					, // Energy of the detected particle
-//														2*0.4*micrometer	, 
-//														0					);	
-//				
-//				E= He3TargetWind.EvaluateInitialEnergy( E 					, // Energy of the detected particle
-//														2*15*micrometer		, // Target Thickness at 0 degree
-//														Theta				);
-//				
-//				E= He3TargetGaz.EvaluateInitialEnergy(	E 					, // Energy of the detected particle
-//														3*mm				, // Target Thickness at 0 degree
-//														Theta				);
+				E= He3StripAl.EvaluateInitialEnergy(	E 					, // Energy of the detected particle
+														0.4*micrometer		, 
+														0					);	
+			
+				E= He3TargetWind.EvaluateInitialEnergy( E 					, // Energy of the detected particle
+														15*micrometer		, // Target Thickness at 0 degree
+														ThetaN				);
+				
+				E= He3TargetGaz.EvaluateInitialEnergy(	E 					, // Energy of the detected particle
+														1.5*mm				, // Target Thickness at 0 degree
+														ThetaN				);
 					
-				ResolTheta = Theta/deg - Init->GetICEmittedAngleThetaLabWorldFrame(0);
 				Ex = myReaction -> ReconstructRelativistic( E, Theta ) ;	
 				X = HitDirection . X();
 				Y = HitDirection . Y();	
diff --git a/NPAnalysis/10He_Riken/src/GNUmakefile b/NPAnalysis/10He_Riken/src/GNUmakefile
index 742a90a491df079d882318b4948c91f27adfe056..1d51c0a332bee2d9721bd0b61501125b32189c95 100644
--- a/NPAnalysis/10He_Riken/src/GNUmakefile
+++ b/NPAnalysis/10He_Riken/src/GNUmakefile
@@ -23,12 +23,13 @@ LDFLAGS+= -L$(NPLIB)/lib -lVDetector -lIORoot -lReaction -lEnergyLoss \
 LDFLAGS+= -L$(CLHEP_LIB_DIR) -l$(CLHEP_LIB) 
 
 SRC= $(wildcard *.cc)
+INC= $(wildcard *.hh)
 OBJ=$(SRC:.cc=.o)
 
 #all:$(EXEC)
 #	@$(CPP) -o $@ -c $< $(CXXFLAGS)
 
-Analysis:$(OBJ)
+Analysis:$(OBJ) $(INC)
 	@$(CPP) $(CXXFLAGS) -o $@ $^ $(LDFLAGS)
 	mv Analysis  ../Analysis
 
diff --git a/NPLib/Tools/NPEnergyLoss.cxx b/NPLib/Tools/NPEnergyLoss.cxx
index 4e14530371ac83ed11e306f0f4a6447fa25177e4..360ffe49b9658c6f98ee63dc21954d0d6f59cf2a 100644
--- a/NPLib/Tools/NPEnergyLoss.cxx
+++ b/NPLib/Tools/NPEnergyLoss.cxx
@@ -10,11 +10,6 @@ using namespace std;
 #include "TSpline.h"
 #include "TAxis.h"
 
-// ROOT
-#include "Math/InterpolationTypes.h"
-#include "Math/Interpolator.h"
-using namespace ROOT::Math;
-
 //	NPL
 using namespace NPL;
 
@@ -22,7 +17,7 @@ using namespace NPL;
 
 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 
 EnergyLoss::EnergyLoss() 
-	{}
+	{fInter = NULL	;}
 
 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 
 EnergyLoss::~EnergyLoss() 
@@ -120,7 +115,7 @@ EnergyLoss::EnergyLoss(string Path , int NumberOfSlice=100 , int LiseColumn=0 ,
 					
 			
 			}
-			
+			fInter = new Interpolator( fEnergy , fdEdX_Total	)		;
 			cout << "///////////////////////////////// " << endl ;
 	}
 
@@ -236,18 +231,16 @@ double EnergyLoss::EvaluateInitialEnergy(	double Energy 			, // Energy of the de
 		Energy = Energy / (double) fNumberOfMass ;
 	
 		if (Angle > halfpi) Angle = pi-Angle								;
-		TargetThickness = TargetThickness / ( cos(Angle) ) 				;
+		TargetThickness = TargetThickness / ( cos(Angle) ) 					;
+		
 		double SliceThickness = TargetThickness / (double)fNumberOfSlice 	;
 
-		Interpolator* s = new Interpolator( fEnergy , fdEdX_Total	)		;
-
 		for (int i = 0; i < fNumberOfSlice ; i++) 
 			{
-			    double de = s->Eval(Energy) * SliceThickness	;
-			    Energy	+= de									;
+			    double de = fInter->Eval(Energy) * SliceThickness	;
+			    Energy	+= de										;
 			}
 			
-		delete s						;
 		return (Energy*fNumberOfMass)	;
 	}
 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
diff --git a/NPLib/Tools/NPEnergyLoss.h b/NPLib/Tools/NPEnergyLoss.h
index 6388a12221827576ba9253265bdf0ad41b8ed48f..4dd07068de665d8e2986d29aec22b2ad3f79f694 100644
--- a/NPLib/Tools/NPEnergyLoss.h
+++ b/NPLib/Tools/NPEnergyLoss.h
@@ -12,6 +12,12 @@ using namespace std ;
 #include "CLHEP/Units/GlobalSystemOfUnits.h"
 #include "CLHEP/Units/PhysicalConstants.h"
 using namespace CLHEP ;
+
+// ROOT
+#include "Math/InterpolationTypes.h"
+#include "Math/Interpolator.h"
+using namespace ROOT::Math;
+
 // Class by Nicolas de Sereville.
 // Added and update June 2009
 
@@ -37,7 +43,7 @@ namespace NPL
 		   vector<double> 	fdEdX_Nuclear		;    // Nuclear Stopping Power
 		   vector<double> 	fdEdX_Electronic	;    // Electronic Stopping Power
 		   vector<double> 	fdEdX_Total			;    // Total Stopping Power
-		   	
+		   Interpolator*    fInter				;	 // Interpolator Used to evaluate Energy loss at given energy
 		   
 		public : 	//	General Function on dE/dX table		
 		   double	EvaluateNuclearLoss		(double ener) 	const;