diff --git a/src/Root/CMakeLists.txt b/src/Root/CMakeLists.txt
index abc3085..90073b1 100644
--- a/src/Root/CMakeLists.txt
+++ b/src/Root/CMakeLists.txt
@@ -1,12 +1,40 @@
 set(HEADERS RootMathDense.h
             RootMuonScatter.h
-            RootHitRaw.h)
+            RootHitRaw.h
+            muCastorMCTrack.h
+            muCastorHit.h
+            muCastorInfo.h
+            muCastorSkinHit.h)
 
-set(SOURCES ${HEADERS} RootMuonScatter.cpp)
+set(SOURCES ${HEADERS} RootMuonScatter.cpp
+                       muCastorMCTrack.cpp
+                       muCastorHit.cpp
+                       muCastorInfo.cpp
+                       muCastorSkinHit.cpp)
+
+set(DICTIONARY_HEADERS muCastorMCTrack.h
+                       muCastorHit.h
+                       muCastorInfo.h
+                       muCastorSkinHit.h)
 
 set(LIBRARIES ${ROOT_LIBRARIES}
               ${PACKAGE_LIBPREFIX}Math)
 
+set(rDictName ${PACKAGE_LIBPREFIX}RootDict)
+root_generate_dictionary(${rDictName} ${DICTIONARY_HEADERS}
+                         LINKDEF Linkdef.h)
+set_source_files_properties(${rDictName}.cxx
+                            PROPERTIES GENERATED TRUE)
+set_source_files_properties(${rDictName}.h
+                            PROPERTIES GENERATED TRUE)
+list(APPEND SOURCES ${rDictName}.cxx)
+
+# TODO use a custom target linked to root_generate_dictionary
+set(R_ARTIFACTS ${CMAKE_CURRENT_BINARY_DIR}/lib${rDictName}_rdict.pcm
+                ${CMAKE_CURRENT_BINARY_DIR}/lib${rDictName}.rootmap)
+install(FILES ${R_ARTIFACTS}
+        DESTINATION ${PACKAGE_INSTALL_LIB_DIR})
+
 set(libname ${PACKAGE_LIBPREFIX}Root)
 set(ULIB_SHARED_LIBRARIES ${ULIB_SHARED_LIBRARIES} ${libname} PARENT_SCOPE)
 set(ULIB_SELECTED_MODULES ${ULIB_SELECTED_MODULES} Root PARENT_SCOPE)
diff --git a/src/Root/Linkdef.h b/src/Root/Linkdef.h
index 473df4e..efe4969 100644
--- a/src/Root/Linkdef.h
+++ b/src/Root/Linkdef.h
@@ -79,6 +79,7 @@ using namespace ROOT::Mutom;
 #pragma link C++ class  muCastorMCTrack+;
 #pragma link C++ class  muCastorHit+;
 #pragma link C++ class  muCastorInfo+;
+#pragma link C++ class  muCastorSkinHit+;
 
 #endif // __CINT__
 
diff --git a/src/Root/muCastorSkinHit.cpp b/src/Root/muCastorSkinHit.cpp
new file mode 100644
index 0000000..a10079c
--- /dev/null
+++ b/src/Root/muCastorSkinHit.cpp
@@ -0,0 +1,43 @@
+//----------------------------------------------------------
+// Class : CastorSkinHit 
+// Date: October 2020
+// Author: Germano Bonomi   germano.bonomi@unibs.it
+//----------------------------------------------------------
+
+#include <iostream>
+
+#include "muCastorSkinHit.h"
+
+/// \cond CLASSIMP
+ClassImp(muCastorSkinHit)
+/// \endcond
+
+using namespace std;
+
+//_____________________________________________________________________________
+muCastorSkinHit::muCastorSkinHit() :
+    fDetID(-1),
+    fPdgCode(-1),
+    fMotherID(-1),
+    fMomX(0.),
+    fMomY(0.),
+    fMomZ(0.),
+    fPosX(0.),
+    fPosY(0.),
+    fPosZ(0.)
+{}
+
+//_____________________________________________________________________________
+muCastorSkinHit::~muCastorSkinHit() 
+{}
+//_____________________________________________________________________________
+void muCastorSkinHit::Print(const Option_t* /*opt*/) const
+{
+    cout << "  detID: " << fDetID 
+         << "  position (cm): (" 
+         << fPosX << ", " << fPosY << ", " << fPosZ << ")"
+         << "  momentum (MeV/c): (" 
+         << fMomX << ", " << fMomY << ", " << fMomZ << ")"
+         << endl;
+}
+
diff --git a/src/Root/muCastorSkinHit.h b/src/Root/muCastorSkinHit.h
new file mode 100644
index 0000000..a81e4a4
--- /dev/null
+++ b/src/Root/muCastorSkinHit.h
@@ -0,0 +1,46 @@
+//----------------------------------------------------------
+// Class : CastorSkinHit 
+// Date: October 2020
+// Author: Germano Bonomi   germano.bonomi@unibs.it
+//----------------------------------------------------------
+
+#ifndef muCastor_SKINHIT_H
+#define muCastor_SKINHIT_H
+
+
+#include <TObject.h>
+#include <TVector3.h>
+
+class muCastorSkinHit : public TObject
+{
+public:
+    muCastorSkinHit();
+    virtual ~muCastorSkinHit();
+
+    // methods
+    virtual void Print(const Option_t* option = "") const;
+
+    // set methods
+    void SetDetID(Int_t id)         { fDetID = id; };  
+    void SetPdgCode(Int_t pdg)      { fPdgCode = pdg; };
+    void SetMotherID(Int_t mid)     { fMotherID = mid; };
+    void SetMom(TVector3 xyz)       { fMomX = xyz.X(); fMomY = xyz.Y(); fMomZ = xyz.Z(); };
+    void SetPos(TVector3 xyz)       { fPosX = xyz.X(); fPosY = xyz.Y(); fPosZ = xyz.Z(); };
+      
+private:
+    Int_t      fDetID;      // Detector module ID 
+    Int_t      fPdgCode;    // Particle PDG Code
+    Int_t      fMotherID;   // Particle mother ID (-1 = primary, 0 = secondary, etc..)
+    Double_t   fMomX;       // Track momentum when releasing the hit (X)
+    Double_t   fMomY;       // Track momentum when releasing the hit (Y)
+    Double_t   fMomZ;       // Track momentum when releasing the hit (Z)
+    Double_t   fPosX;       // Hit coordinates (at the entrance of the detector) (X)
+    Double_t   fPosY;       // Hit coordinates (at the entrance of the detector) (Y)
+    Double_t   fPosZ;       // Hit coordinates (at the entrance of the detector) (Z)
+    
+    ClassDef(muCastorSkinHit,1) //muCastorSkinHit  
+};
+
+#endif //muCastort_SKINHIT_H
+
+