Implemented 30ns time cut

diff --git a/EMCAL/AliEMCALv1.cxx b/EMCAL/AliEMCALv1.cxx
index 241705531b39ce5ef9988d2698af8d350c0ce37a..739cd6e5af4adcdc8b66245b7f5f5b26d6732573 100644 (file)
--- a/EMCAL/AliEMCALv1.cxx
+++ b/EMCAL/AliEMCALv1.cxx
@@ -61,6 +61,7 @@ AliEMCALv1::AliEMCALv1(const char *name, const char *title):
 
     fNhits = 0;
     fIshunt     =  2; // All hits are associated with particles entering the calorimeter
+    fTimeCut = 30e-09;
 }
 
 //______________________________________________________________________
@@ -125,7 +126,7 @@ void AliEMCALv1::StepManager(void){
   if(gMC->CurrentVolID(copy) == gMC->VolId("XPHI") ) { // We are in a Scintillator Layer 
     Float_t depositedEnergy ; 
     
-    if( (depositedEnergy = gMC->Edep()) > 0.){// Track is inside a scintillator and deposits some energy
+    if( ((depositedEnergy = gMC->Edep()) > 0.)  && (gMC->TrackTime() < fTimeCut)){// Track is inside a scintillator and deposits some energy
        if (fCurPrimary==-1) 
        fCurPrimary=gAlice->GetMCApp()->GetPrimary(tracknumber);
 

diff --git a/EMCAL/AliEMCALv1.h b/EMCAL/AliEMCALv1.h
index bd34611f25313d53c0895181bcba22f6a6759d3d..18d28f1937491fab096b51246d2f5c86f532f99a 100644 (file)
--- a/EMCAL/AliEMCALv1.h
+++ b/EMCAL/AliEMCALv1.h
@@ -39,6 +39,8 @@ public:
   virtual void RemapTrackHitIDs(Int_t *map);
   virtual void FinishPrimary();
   virtual const TString Version(void)const {return TString("v0");}
+  virtual void SetTimeCut(Float_t tc){ fTimeCut = tc;}
+  virtual Float_t GetTimeCut(){return fTimeCut;}
   // assignement operator requested by coding convention but not needed  
   AliEMCALv1 & operator = (const AliEMCALv0 & /*rvalue*/){
     Fatal("operator =", "not implemented") ;  
@@ -49,8 +51,9 @@ private:
   Int_t fCurPrimary;
   Int_t fCurParent;
   Int_t fCurTrack;
+  Float_t fTimeCut;       // Cut to remove the background from the ALICE system
 
-  ClassDef(AliEMCALv1,7)//Implementation of EMCAL manager class to produce hits in a Central Calorimeter 
+  ClassDef(AliEMCALv1,8)//Implementation of EMCAL manager class to produce hits in a Central Calorimeter 
     
 };