Line data    Source code

       1             : #ifndef ALIGENHIJINGEVENTHEADER_H
       2             : #define ALIGENHIJINGEVENTHEADER_H
       3             : 
       4             : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
       5             :  * See cxx source for full Copyright notice                               */
       6             : 
       7             : /* $Id$ */
       8             : 
       9             : #include <TLorentzVector.h>
      10             : 
      11             : #include "AliGenEventHeader.h"
      12             : #include "AliCollisionGeometry.h"
      13             : 
      14           0 : class AliGenHijingEventHeader : public AliGenEventHeader, public AliCollisionGeometry
      15             : {
      16             :  public:
      17             :     AliGenHijingEventHeader(const char* name);
      18             :   AliGenHijingEventHeader();
      19           0 :   virtual ~AliGenHijingEventHeader() {}
      20             :   // Getters
      21           0 :   Float_t TotalEnergy() const {return fTotalEnergy;} 
      22           0 :   Int_t   Trials() const {return fTrials;}
      23           0 :   Int_t   GetTrueNPart() const {return fNPart;}
      24           0 :   Bool_t  GetSpectatorsInTheStack() const {return fAreSpectatorsInTheStack;}
      25           0 :   Bool_t  GetFragmentationFromData() const {return fIsDataFragmentationSet;}
      26           0 :   Int_t   GetFreeProjSpecn() const {return  fFreeProjSpecn;}
      27           0 :   Int_t   GetFreeProjSpecp() const {return  fFreeProjSpecp;}
      28           0 :   Int_t   GetFreeTargSpecn() const {return  fFreeTargSpecn;}
      29           0 :   Int_t   GetFreeTargSpecp() const {return  fFreeTargSpecp;}
      30             :           
      31             :   // Setters
      32           0 :   void SetTotalEnergy(Float_t energy)  {fTotalEnergy=energy;}
      33             :   void SetJets(const TLorentzVector* jet1, const TLorentzVector* jet2,
      34             :                const TLorentzVector* jet3, const TLorentzVector* jet4)
      35           0 :       {fJet1 = *jet1; fJet2 = *jet2; fJetFsr1 = *jet3; fJetFsr2 = *jet4;}
      36             :   void GetJets(TLorentzVector& jet1, TLorentzVector& jet2,
      37             :                TLorentzVector& jet3, TLorentzVector& jet4) const  
      38           0 :       {jet1 = fJet1; jet2 = fJet2; jet3 = fJetFsr1; jet4 = fJetFsr2;}
      39           0 :   void SetTrials(Int_t trials) {fTrials = trials;}
      40           0 :   void SetTrueNPart(Int_t npart) {fNPart = npart;} 
      41           0 :   void SetSpectatorsInTheStack(Bool_t what) {fAreSpectatorsInTheStack=what;}
      42           0 :   void SetDataFromFragmentation(Bool_t what) {fIsDataFragmentationSet=what;}
      43             :   void SetFreeSpectators(Int_t specnproj, Int_t specpproj, Int_t specntarg, Int_t specptarg) 
      44           0 :        {fFreeProjSpecn=specnproj; fFreeProjSpecp=specpproj; fFreeTargSpecn=specntarg; fFreeTargSpecp=specptarg;}
      45             :  
      46             : protected:
      47             :   Float_t fTotalEnergy;              // Total energy of produced particles
      48             :   Int_t   fTrials;                   // Number of trials to fulfill trigger condition
      49             :   Int_t   fNPart;                    // True number of participants 
      50             :   TLorentzVector  fJet1;             // 4-Momentum-Vector of first   triggered jet  
      51             :   TLorentzVector  fJet2;             // 4-Momentum-Vector of second  triggered jet     
      52             :   TLorentzVector  fJetFsr1;          // 4-Momentum-Vector of first   triggered jet  
      53             :   TLorentzVector  fJetFsr2;          // 4-Momentum-Vector of second  triggered jet     
      54             :   // Added by Chiara O. for spectator generation
      55             :   Bool_t  fAreSpectatorsInTheStack;  // check whether spectators are in the stack
      56             :   Bool_t  fIsDataFragmentationSet;   // check if the data driven correction is switched on
      57             :   Int_t       fFreeProjSpecn;        // Num. of spectator neutrons from projectile nucleus
      58             :   Int_t       fFreeProjSpecp;        // Num. of spectator protons from projectile nucleus
      59             :   Int_t       fFreeTargSpecn;        // Num. of spectator neutrons from target nucleus
      60             :   Int_t       fFreeTargSpecp;        // Num. of spectator protons from target nucleus
      61             :   
      62         176 :   ClassDef(AliGenHijingEventHeader,6) // Event header for hijing event
      63             : };
      64             : 
      65             : #endif