Merging correctly the changes with the previous code clean-up
authorhristov <hristov@f7af4fe6-9843-0410-8265-dc069ae4e863>
Fri, 21 Mar 2003 15:17:24 +0000 (15:17 +0000)
committerhristov <hristov@f7af4fe6-9843-0410-8265-dc069ae4e863>
Fri, 21 Mar 2003 15:17:24 +0000 (15:17 +0000)
HBTAN/AliHBTLLWeightFctn.cxx
HBTAN/AliHBTLLWeightFctn.h
HBTAN/AliHBTLLWeights.cxx
HBTAN/AliHBTLLWeights.h

index a17d366..192dde6 100644 (file)
@@ -1,7 +1,15 @@
+/* $Id$ */
+
+//This class allows to obtain Q_inv correlation function with weights
+//calculated by Lednicky's alghorithm.
+//Numerator is filled with weighted events. Weights are attributed to reconstructed tracks.
+//Weights are calculated with corresponding simulated particles momenta.
+//Denominator is filled with mixing unweighted reconstructed tracks.
+//One needs both pairs 
+//(simulated and recontructed), thus function is of class AliHBTTwoPairFctn1D.
 //Author: Ludmila Malinina, JINR (malinina@sunhe.jinr.ru)
 #include "AliHBTLLWeightFctn.h"
 #include "AliHBTLLWeights.h"
-#include "AliHBTLLWeightsPID.h"
 
 //--for test--AliHBTLLWeightQInvFctn* yyy= new AliHBTLLWeightQInvFctn();
 
@@ -30,6 +38,7 @@ void  AliHBTLLWeightQInvFctn::ProcessSameEventParticles(AliHBTPair* trackpair, A
 
 void  AliHBTLLWeightQInvFctn::ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
 {
+  // Fills the denominator using mixed pairs
   trackpair = CheckPair(trackpair);
   partpair  = CheckPair(partpair);
   if ( trackpair && partpair)  
index 885104b..a300c03 100644 (file)
@@ -1,13 +1,9 @@
-//This function allows to obtain Q_inv correlation function with weights
-//calculated by Lednicky's alghorithm.
-//Numerator is filled with weighted events. Weights are attributed to reconstructed tracks.
-//Weights are calculated with corresponding simulated particles momenta.
-//Denominator is filled with mixing unweighted reconstructed tracks.
-//One needs both pairs 
-//(simulated and recontructed), thus function is of class AliHBTTwoPairFctn1D.
+#ifndef ALIHBTLLWEIGHTQINVFCTN_H
+#define ALIHBTLLWEIGHTQINVFCTN_H
+
+/* $Id$ */
+
 
-#ifndef ALIHBTLLWEIGHTFCTN_H
-#define ALIHBTLLWEIGHTFCTN_H
 #include "AliHBTFunction.h"
 
 
@@ -15,108 +11,89 @@ class AliHBTLLWeights;
 
 class AliHBTLLWeightQInvFctn: public AliHBTTwoPairFctn1D
 {
-//  friend class AliHBTOnePairFctn1D;
-
-  public:
-      AliHBTLLWeightQInvFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0);
-      virtual  ~AliHBTLLWeightQInvFctn(){};
-      TH1* GetResult(); 
-
-      void   ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
-      void   ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
-      
-      Double_t GetValue(AliHBTPair* trackpair, AliHBTPair* partpair)         
-           { return trackpair->GetQInv()-partpair->GetQInv();} //isn't use                                                                    
-       
-
-  protected:
-
-  private:
-  public:
-     ClassDef(AliHBTLLWeightQInvFctn,1)
+ public:
+  AliHBTLLWeightQInvFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0);
+  virtual  ~AliHBTLLWeightQInvFctn(){};
+  TH1* GetResult(); 
+  
+  void   ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
+  void   ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
+  Double_t GetValue(AliHBTPair* trackpair, AliHBTPair* partpair) const
+    { return trackpair->GetQInv()-partpair->GetQInv();} //isn't use                                                                    
+  ClassDef(AliHBTLLWeightQInvFctn,1)
 };
 /*************************************************************************************/ 
-/*************************************************************************************/ 
-/*************************************************************************************/ 
-/*************************************************************************************/ 
 
 class AliHBTLLWeightQOutFctn: public AliHBTTwoPairFctn1D
 {
 
- friend class AliHBTOnePairFctn1D;
+  //  friend class AliHBTOnePairFctn1D;
  public:
-   AliHBTLLWeightQOutFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0):
-                        AliHBTTwoPairFctn1D(nbins,maxXval,minXval){}
-   virtual ~AliHBTLLWeightQOutFctn(){};
-   TH1* GetResult();
+  AliHBTLLWeightQOutFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0):
+    AliHBTTwoPairFctn1D(nbins,maxXval,minXval){}
+  virtual ~AliHBTLLWeightQOutFctn(){};
+  TH1* GetResult();
  protected:
-   void   ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
-   void   ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
+  void   ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
+  void   ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
       
-    Double_t GetValue(AliHBTPair* trackpair, AliHBTPair* partpair)         
-           { return trackpair->GetQOutCMSLC()-partpair->GetQOutCMSLC();} //isn't use                                                                    
-  public:
-    ClassDef(AliHBTLLWeightQOutFctn,1)
+  Double_t GetValue(AliHBTPair* trackpair, AliHBTPair* partpair)         
+    { return trackpair->GetQOutCMSLC()-partpair->GetQOutCMSLC();} //isn't use                                                                    
+  ClassDef(AliHBTLLWeightQOutFctn,1)
  
 };
 /*************************************************************************************/ 
 class AliHBTLLWeightQLongFctn: public AliHBTTwoPairFctn1D
 {
-
- friend class AliHBTOnePairFctn1D;
+  //  friend class AliHBTOnePairFctn1D;
  public:
-   AliHBTLLWeightQLongFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0):
-                        AliHBTTwoPairFctn1D(nbins,maxXval,minXval){}
-   virtual ~AliHBTLLWeightQLongFctn(){};
-   TH1* GetResult();
+  AliHBTLLWeightQLongFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0):
+    AliHBTTwoPairFctn1D(nbins,maxXval,minXval){}
+  virtual ~AliHBTLLWeightQLongFctn(){};
+  TH1* GetResult();
  protected:
-   void   ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
-   void   ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
-      
-    Double_t GetValue(AliHBTPair* trackpair, AliHBTPair* partpair)         
-           { return trackpair->GetQLongCMSLC()-partpair->GetQLongCMSLC();} //isn't use                                                                    
-  public:
-    ClassDef(AliHBTLLWeightQLongFctn,1)
+  void   ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
+  void   ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
+  Double_t GetValue(AliHBTPair* trackpair, AliHBTPair* partpair)
+    { return trackpair->GetQLongCMSLC()-partpair->GetQLongCMSLC();} //isn't used
+
+  ClassDef(AliHBTLLWeightQLongFctn,1)
  
 };
 /*************************************************************************************/ 
 class AliHBTLLWeightQSideFctn: public AliHBTTwoPairFctn1D
 {
-
- friend class AliHBTOnePairFctn1D;
+  // friend class AliHBTOnePairFctn1D;
  public:
-   AliHBTLLWeightQSideFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0):
-                        AliHBTTwoPairFctn1D(nbins,maxXval,minXval){}
-   virtual ~AliHBTLLWeightQSideFctn(){};
-   TH1* GetResult();
+  AliHBTLLWeightQSideFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0):
+    AliHBTTwoPairFctn1D(nbins,maxXval,minXval){}
+  virtual ~AliHBTLLWeightQSideFctn(){};
+  TH1* GetResult();
  protected:
-   void   ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
-   void   ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
+  void   ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
+  void   ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
       
-    Double_t GetValue(AliHBTPair* trackpair, AliHBTPair* partpair)         
-           { return trackpair->GetQLongCMSLC()-partpair->GetQLongCMSLC();} //isn't use                                                                    
-  public:
-    ClassDef(AliHBTLLWeightQSideFctn,1) 
+  Double_t GetValue(AliHBTPair* trackpair, AliHBTPair* partpair)         
+    { return trackpair->GetQLongCMSLC()-partpair->GetQLongCMSLC();} //isn't used
+
+  ClassDef(AliHBTLLWeightQSideFctn,1) 
 };
 /*************************************************************************************/ 
 class AliHBTLLWeightTwoKStarFctn: public AliHBTTwoPairFctn1D
 {
-
- friend class AliHBTOnePairFctn1D;
+  // friend class AliHBTOnePairFctn1D;
  public:
-   AliHBTLLWeightTwoKStarFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0):
-                        AliHBTTwoPairFctn1D(nbins,maxXval,minXval){}
-   virtual ~AliHBTLLWeightTwoKStarFctn(){};
-   TH1* GetResult();
+  AliHBTLLWeightTwoKStarFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0):
+    AliHBTTwoPairFctn1D(nbins,maxXval,minXval){}
+  virtual ~AliHBTLLWeightTwoKStarFctn(){};
+  TH1* GetResult();
  protected:
-   void   ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
-   void   ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
+  void   ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
+  void   ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair);
       
-    Double_t GetValue(AliHBTPair* trackpair, AliHBTPair* partpair)         
-           { return trackpair->GetKStar()-partpair->GetKStar();} //isn't use                                                                    
-  public:
-    ClassDef(AliHBTLLWeightTwoKStarFctn,1) 
-};
+  Double_t GetValue(AliHBTPair* trackpair, AliHBTPair* partpair)         
+    { return trackpair->GetKStar()-partpair->GetKStar();} //isn't used
+  ClassDef(AliHBTLLWeightTwoKStarFctn,1) 
 
-  
+};
 #endif
index 67adf0e..e3d2329 100644 (file)
@@ -1,11 +1,23 @@
-#include "AliHBTLLWeights.h"
+/* $Id$ */
+
+//------------------------------------------------------------------
+// This class introduces the weight's calculation 
+// according to the Lednicky's algorithm.
+// The detailed description of the algorithm can be found 
+// in comments to fortran code:
+// fsiw.f, fsiini.f
+// Author:
+//------------------------------------------------------------------
 
-#include "AliHBTPair.h"
-#include "AliHBTParticle.h"
-#include <TList.h>
-#include <TRandom.h>                                                                     
 #include <TMath.h>
 #include <TPDGCode.h>
+#include <TRandom.h>
+
+#include "AliHBTLLWeights.h"
+#include "AliHBTPair.h"
+#include "AliHBTParticle.h"
+#include "WLedCOMMONS.h"
+
 /*******************************************************************/
 /******      ROUTINES    USED    FOR     COMMUNUCATION      ********/
 /********************     WITH      FORTRAN     ********************/
@@ -36,190 +48,191 @@ AliHBTLLWeights* AliHBTLLWeights::fgLLWeights=NULL;
 
 AliHBTLLWeights::AliHBTLLWeights()
 {
-// Default Constructor 
-    fPID1 = 0;
-    fPID2 = 0;
-    SetRandomPosition();
-    SetColWithResidNuclSwitch();
-    SetStrongInterSwitch();
-    SetQuantumStatistics();
-    SetColoumb();
-    SetTest();
+  // Default Constructor 
+  fPID1 = 0;
+  fPID2 = 0;
+  SetRandomPosition();
+  SetColWithResidNuclSwitch();
+  SetStrongInterSwitch();
+  SetQuantumStatistics();
+  SetColoumb();
+  SetTest();
   
 }
 
 
- AliHBTLLWeights* AliHBTLLWeights::Instance()
-{                                                                                             
-    if (fgLLWeights) {                                                                        
-      return fgLLWeights;                                                                   
-   } else {                                                                                  
-   fgLLWeights = new AliHBTLLWeights();                                                        
-      return fgLLWeights;                                                                   
-  }                                                                                         
-}                                                                                             
+AliHBTLLWeights* AliHBTLLWeights::Instance()
+{
+  // Instantiates new object or returns a pointer to already exitsing one
+  if (fgLLWeights) {
+    return fgLLWeights;
+  } else {
+    fgLLWeights = new AliHBTLLWeights();
+    return fgLLWeights;
+  }
+}
                                             
 
 Double_t AliHBTLLWeights::GetWeight(const AliHBTPair* partpair)
 {
-    AliHBTParticle *part1 = partpair->Particle1();
-    AliHBTParticle *part2 = partpair->Particle2();
+  // Returns the weignt of the pair "partpair"
+  AliHBTParticle *part1 = partpair->Particle1();
+  AliHBTParticle *part2 = partpair->Particle2();
 
-    if ( (part1 == 0x0) || (part2 == 0x0))
-      {
+  if ( (part1 == 0x0) || (part2 == 0x0))
+    {
       Error("GetWeight","Null particle pointer");
       return 0.0;
-      }
-
+    }
+  
    
-    Double_t part1Momentum[]={part1->Px(),part1->Py(),part1->Pz()};
-    Double_t part2Momentum[]={part2->Px(),part2->Py(),part2->Pz()};
-              
-    if ( (part1->Px() == part2->Px()) && 
-         (part1->Py() == part2->Py()) && 
-         (part1->Pz() == part2->Pz()) )
+  Double_t part1Momentum[]={part1->Px(),part1->Py(),part1->Pz()};
+  Double_t part2Momentum[]={part2->Px(),part2->Py(),part2->Pz()};
+  
+  if ( (part1->Px() == part2->Px()) && 
+       (part1->Py() == part2->Py()) && 
+       (part1->Pz() == part2->Pz()) )
     {
-    return 0.0;
+      return 0.0;
     }
-
+  
              
-    if ((!fRandomPosition) && 
-    (part1->Vx()  == part2->Vx()) && (part1->Vy()  == part2->Vy())
-    && (part1->Vz()  == part2->Vz()) )
+  if ((!fRandomPosition) && 
+      (part1->Vx()  == part2->Vx()) && (part1->Vy()  == part2->Vy())
+      && (part1->Vz()  == part2->Vz()) )
     {        
-    return 0.0;
+      return 0.0;
     }
+  
+  
+  
+  FSI_MOM.P1X=part1Momentum[0];
+  FSI_MOM.P1Y=part1Momentum[1];
+  FSI_MOM.P1Z=part1Momentum[2];
+  
+  FSI_MOM.P2X=part2Momentum[0];
+  FSI_MOM.P2Y=part2Momentum[1];
+  FSI_MOM.P2Z=part2Momentum[2];
+  
+  if (fRandomPosition){
+    
+    Double_t rxcm = fsigma*gRandom->Gaus();
+    Double_t rycm = fsigma*gRandom->Gaus();
+    Double_t rzcm = fsigma*gRandom->Gaus();   
+    
+    FSI_PRF.X=rxcm*fwcons;
+    FSI_PRF.Y=rycm*fwcons;
+    FSI_PRF.Z=rzcm*fwcons;
+    FSI_PRF.T=0.;
+    
+    Double_t rps=rxcm*rxcm+rycm*rycm+rzcm*rzcm;
+    Double_t rp=TMath::Sqrt(rps);
+    FSI_PRF.RP=rp;
+    FSI_PRF.RPS=rps;
+    
+  }        
+  
+  ltran12();
+  fsiw();
 
+  if(flambda<1){
+    if(gRandom->Rndm()<(1-flambda))LEDWEIGHT.WEIN=1.;}
+  
+  return LEDWEIGHT.WEIN;
+}
 
-
-        FSI_MOM.P1X=part1Momentum[0];
-        FSI_MOM.P1Y=part1Momentum[1];
-        FSI_MOM.P1Z=part1Momentum[2];
-      
-        FSI_MOM.P2X=part2Momentum[0];
-        FSI_MOM.P2Y=part2Momentum[1];
-        FSI_MOM.P2Z=part2Momentum[2];
-                
-        if (fRandomPosition){
-
-        Double_t rxcm = fsigma*gRandom->Gaus();
-        Double_t rycm = fsigma*gRandom->Gaus();
-        Double_t rzcm = fsigma*gRandom->Gaus();   
-        
-        FSI_PRF.X=rxcm*fwcons;
-        FSI_PRF.Y=rycm*fwcons;
-        FSI_PRF.Z=rzcm*fwcons;
-        FSI_PRF.T=0.;
-
-        Double_t rps=rxcm*rxcm+rycm*rycm+rzcm*rzcm;
-        Double_t rp=TMath::Sqrt(rps);
-        FSI_PRF.RP=rp;
-        FSI_PRF.RPS=rps;
-
-        }        
-              
-        ltran12();
-        fsiw();
-
-        if(flambda<1){
-       if(gRandom->Rndm()<(1-flambda))LEDWEIGHT.WEIN=1.;}
-       
-        return LEDWEIGHT.WEIN;
-       
- }
 /************************************************************/
 void AliHBTLLWeights::Init()
- {
-//---------------------------------------------------------------------
-
-//initial parameters of model
-
-      FSI_NS.NS = approximationModel;      
-      
-      if(!ftest){LEDWEIGHT.ITEST=0;}
-    
-      if(ftest){
-      LEDWEIGHT.ITEST=1;
-      if(fColoumbSwitch){FSI_NS.ICH =1;}
-      else{FSI_NS.ICH=0;}
-      if(fStrongInterSwitch){FSI_NS.ISI=1;}
-      else{FSI_NS.ISI=0;}
-      if(fQuantStatSwitch){FSI_NS.IQS=1;}
-      else{FSI_NS.IQS=0;}
-      if(fColWithResidNuclSwitch){FSI_NS.I3C=1;}
-      else{FSI_NS.I3C=0;}
-      }
-      
-      if(fRandomPosition){LEDWEIGHT.IRANPOS=1;}
-      else{LEDWEIGHT.IRANPOS=0;}
-
-
-     if ( (fPID1 == 0) || (fPID2 == 0) )
-      {
-        Fatal("Init","Particles types are not set");
-        return;//pro forma
-      }
-
-      FSI_NS.LL = GetPairCode(fPID1,fPID2);
-       
-      if (FSI_NS.LL == 0) 
-       {
-         Fatal("Init","Particles types are not supported");
-         return;//pro forma
-       }
-
-
-      TParticlePDG* tpart1 = TDatabasePDG::Instance()->GetParticle(fPID1);
-      if (tpart1 == 0x0)
-       {
-         Fatal("init","We can not find particle with ID=%d in our DataBase",fPID1);
-         return;
-       }
-      
-      FSI_POC.AM1=tpart1->Mass();
-      FSI_POC.C1=tpart1->Charge(); 
-
-      TParticlePDG* tpart2 = TDatabasePDG::Instance()->GetParticle(fPID2);
-//mlv
-      
-      
-
-      if (tpart2 == 0x0)
-       {
-         Fatal("init","We can not find particle with ID=%d in our DataBase",fPID2);
-         return;
-       }
-
-      FSI_POC.AM2=tpart2->Mass();
-      FSI_POC.C1=tpart2->Charge();
-
-      led_bldata();
-      fsiini();
-
-
-//constants for radii simulation 
-
-      if(fRandomPosition){
-       fsigma =TMath::Sqrt(2.)*fRadius;     
-       fwcons =FSI_CONS.W;
-      } 
+{
+  //---------------------------------------------------------------------  
+  //initial parameters of model
+  
+  FSI_NS.NS = fApproximationModel;      
+  
+  if(!ftest){LEDWEIGHT.ITEST=0;}
+  
+  if(ftest){
+    LEDWEIGHT.ITEST=1;
+    if(fColoumbSwitch){FSI_NS.ICH =1;}
+    else{FSI_NS.ICH=0;}
+    if(fStrongInterSwitch){FSI_NS.ISI=1;}
+    else{FSI_NS.ISI=0;}
+    if(fQuantStatSwitch){FSI_NS.IQS=1;}
+    else{FSI_NS.IQS=0;}
+    if(fColWithResidNuclSwitch){FSI_NS.I3C=1;}
+    else{FSI_NS.I3C=0;}
+  }
+  
+  if(fRandomPosition){LEDWEIGHT.IRANPOS=1;}
+  else{LEDWEIGHT.IRANPOS=0;}
+  
+  
+  if ( (fPID1 == 0) || (fPID2 == 0) )
+    {
+      Fatal("Init","Particles types are not set");
+      return;//pro forma
+    }
+  
+  FSI_NS.LL = GetPairCode(fPID1,fPID2);
+  
+  if (FSI_NS.LL == 0) 
+    {
+      Fatal("Init","Particles types are not supported");
+      return;//pro forma
+    }
+  
+  
+  TParticlePDG* tpart1 = TDatabasePDG::Instance()->GetParticle(fPID1);
+  if (tpart1 == 0x0)
+    {
+      Fatal("init","We can not find particle with ID=%d in our DataBase",fPID1);
+      return;
+    }
+  
+  FSI_POC.AM1=tpart1->Mass();
+  FSI_POC.C1=tpart1->Charge(); 
+  
+  TParticlePDG* tpart2 = TDatabasePDG::Instance()->GetParticle(fPID2);
+  //mlv
+  
+  
+  
+  if (tpart2 == 0x0)
+    {
+      Fatal("init","We can not find particle with ID=%d in our DataBase",fPID2);
+      return;
+    }
+  
+  FSI_POC.AM2=tpart2->Mass();
+  FSI_POC.C1=tpart2->Charge();
+  
+  led_bldata();
+  fsiini();
+  
+  
+  //constants for radii simulation 
+  
+  if(fRandomPosition){
+    fsigma =TMath::Sqrt(2.)*fRadius;     
+    fwcons =FSI_CONS.W;
+  } 
 } 
 
 Int_t AliHBTLLWeights::GetPairCode(const AliHBTPair* partpair)
 {
- return GetPairCode(partpair->Particle1()->GetPdgCode(),partpair->Particle2()->GetPdgCode());
+  // Return the code of the pair "partpair"
+  return GetPairCode(partpair->Particle1()->GetPdgCode(),partpair->Particle2()->GetPdgCode());
 }
 
 Int_t AliHBTLLWeights::GetPairCode(Int_t pid1,Int_t pid2)
 {
-//   pairCode   1  2  3  4   5    6   7  8  9 10  11  12  13  14 15 16 17 18  19  20   21   22  23 24 25 26    27     28
-//   hpid:      n  p  n alfa pi+ pi0 pi+ n  p pi+ pi+ pi+ pi- K+ K+ K+ K-  d  d    t   t    K0  K0  d p  p      p      n
-//   lpid:      n  p  p alfa pi- pi0 pi+ d  d  K-  K+  p   p  K- K+ p  p   d alfa  t  alfa  K0  K0b t t alfa lambda lambda
-//   NS=1 y/n:  +  +  +  +   +    -   -  -  -  -   -   -   -  -  -  -  -   -  -    -    -    -  -   - -  -      -      -
-
-//alphas, deuterons and tyts are NOT supported here
-
+  //   pairCode   1  2  3  4   5    6   7  8  9 10  11  12  13  14 15 16 17 18  19  20   21   22  23 24 25 26    27     28
+  //   hpid:      n  p  n alfa pi+ pi0 pi+ n  p pi+ pi+ pi+ pi- K+ K+ K+ K-  d  d    t   t    K0  K0  d p  p      p      n
+  //   lpid:      n  p  p alfa pi- pi0 pi+ d  d  K-  K+  p   p  K- K+ p  p   d alfa  t  alfa  K0  K0b t t alfa lambda lambda
+  //   NS=1 y/n:  +  +  +  +   +    -   -  -  -  -   -   -   -  -  -  -  -   -  -    -    -    -  -   - -  -      -      -
+  
+  //alphas, deuterons and tyts are NOT supported here
+  
   Int_t chargefactor = 1;
   Int_t hpid; //pid in higher row
   Int_t lpid; //pid in lower row
@@ -227,166 +240,166 @@ Int_t AliHBTLLWeights::GetPairCode(Int_t pid1,Int_t pid2)
   
   Bool_t swap;
   
-//determine the order of selcetion in switch  
+  //determine the order of selcetion in switch  
   if (TMath::Abs(pid1) < TMath::Abs(pid2) ) 
-   {
-    if (pid1<0) chargefactor=-1;
-    hpid=pid2*chargefactor;
-    lpid=pid1*chargefactor;
-    swap = kFALSE;
-   } 
+    {
+      if (pid1<0) chargefactor=-1;
+      hpid=pid2*chargefactor;
+      lpid=pid1*chargefactor;
+      swap = kFALSE;
+    } 
   else 
-   {
-    if (pid2<0) chargefactor=-1;
-    hpid=pid1*chargefactor;
-    lpid=pid2*chargefactor;
-    swap = kTRUE;
-   }
-
-//mlv
-   hpid=pid1;
-   lpid=pid2;
-
-
-//Determine the pair code
+    {
+      if (pid2<0) chargefactor=-1;
+      hpid=pid1*chargefactor;
+      lpid=pid2*chargefactor;
+      swap = kTRUE;
+    }
+  
+  //mlv
+  hpid=pid1;
+  lpid=pid2;
+  
+  
+  //Determine the pair code
   switch (hpid) //switch on first  particle id
-   {
-     case kNeutron:
+    {
+    case kNeutron:
       switch (lpid)
-       {
-         case kNeutron: 
-           code = 1;  //neutron neutron
-           break;
-        
-         case kProton: 
-           code = 3;  //neutron proton
-           break;
-           
-         case kLambda0: 
-           code = 28;  //neutron lambda
-           break;
-           
-         default: 
-           return 0; //given pair not supported
-           break;
-       }
+       {
+       case kNeutron: 
+         code = 1;  //neutron neutron
+         break;
+         
+       case kProton: 
+         code = 3;  //neutron proton
+         break;
+         
+       case kLambda0: 
+         code = 28;  //neutron lambda
+         break;
+         
+       default: 
+         return 0; //given pair not supported
+         break;
+       }
       break;
-
-     case kProton:
+      
+    case kProton:
       switch (lpid)
-       {
-         case kProton:
-           code = 2; //proton proton
-           break;
-           
-         case kLambda0: 
-           code = 27;//proton lambda
-           break;
-           
-         default: 
-           return 0; //given pair not supported
-           break;
-           
-       }
+       {
+       case kProton:
+         code = 2; //proton proton
+         break;
+         
+       case kLambda0: 
+         code = 27;//proton lambda
+         break;
+         
+       default: 
+         return 0; //given pair not supported
+         break;
+         
+       }
       break;
-
-     case kPiPlus:
-     
+      
+    case kPiPlus:
+      
       switch (lpid)
-       {
-         case kPiPlus:
-           code = 7; //piplus piplus
-           break;
-
-         case kPiMinus:
-           code = 5; //piplus piminus
-           break;
-        
-         case kKMinus:
-           code = 10; //piplus Kminus
-           break;
-
-         case kKPlus:
-           code = 11; //piplus Kplus
-           break;
-
-         case kProton:
-           code = 12; //piplus proton
-           chargefactor*=-1;
-           break;
-
-         default: 
-           return 0; //given pair not supported
-           break;
-       }
+       {
+       case kPiPlus:
+         code = 7; //piplus piplus
+         break;
+         
+       case kPiMinus:
+         code = 5; //piplus piminus
+         break;
+         
+       case kKMinus:
+         code = 10; //piplus Kminus
+         break;
+         
+       case kKPlus:
+         code = 11; //piplus Kplus
+         break;
+         
+       case kProton:
+         code = 12; //piplus proton
+         chargefactor*=-1;
+         break;
+         
+       default: 
+         return 0; //given pair not supported
+         break;
+       }
       break;
-     case kPi0:
+    case kPi0:
       switch (lpid)
-       {
-         case kPi0:
-           code = 6;
-           break;
-           
-         default: 
-           return 0; //given pair not supported
-           break;
-       }
+       {
+       case kPi0:
+         code = 6;
+         break;
+         
+       default: 
+         return 0; //given pair not supported
+         break;
+       }
       break;
       
-     case kKPlus:
+    case kKPlus:
       switch (lpid)
-       {
-         case kKMinus:
-           code = 14; //Kplus Kminus
-           break;
-
-         case kKPlus:
-           code = 15; //Kplus Kplus
-           break;
-
-         case kProton:
-           code = 16; //Kplus proton
-           break;
-           
-         default: 
-           return 0; //given pair not supported
-           break;
-       }
+       {
+       case kKMinus:
+         code = 14; //Kplus Kminus
+         break;
+         
+       case kKPlus:
+         code = 15; //Kplus Kplus
+         break;
+         
+       case kProton:
+         code = 16; //Kplus proton
+         break;
+         
+       default: 
+         return 0; //given pair not supported
+         break;
+       }
       break;
       
-     case kKMinus:
+    case kKMinus:
       switch (lpid)
-       {
-         case kProton:
-           code = 17; //Kminus proton
-           chargefactor*=1;
-           break;
-           
-         default: 
-           return 0; //given pair not supported
-           break;
-       }
+       {
+       case kProton:
+         code = 17; //Kminus proton
+         chargefactor*=1;
+         break;
+         
+       default: 
+         return 0; //given pair not supported
+         break;
+       }
       break;
       
-     case kK0:
+    case kK0:
       switch (lpid)
-       {
-         case kK0:
-           code = 2; //Kzero Kzero
-           break;
-         
-         case kK0Bar:
-           code = 17; //Kzero KzeroBar
-           break;
-
-         default: 
-           return 0; //given pair not supported
-           break;
-       }
+       {
+       case kK0:
+         code = 2; //Kzero Kzero
+         break;
+         
+       case kK0Bar:
+         code = 17; //Kzero KzeroBar
+         break;
+         
+       default: 
+         return 0; //given pair not supported
+         break;
+       }
       break;
-
-     default: return 0;
-   }
+      
+    default: return 0;
+    }
   return code;
 }
 
index d949502..a533dec 100644 (file)
-//This class introduce the weights calculation according with Lednicky's algorithm.
-//The detailed description of the algorithm can be found in comments to fortran code:
-//fsiw.f, fsiini.f  
+/* $Id$ */
+
+// This class introduces the weight's calculation 
+// according to the Lednicky's algorithm.
+// The detailed description of the algorithm can be found 
+// in comments to fortran code:
+// fsiw.f, fsiini.f  
 #ifndef ALIHBTLLWEIGHTS_H
 #define ALIHBTLLWEIGHTS_H
 
 #include <TObject.h>
-#include "WLedCOMMONS.h"
 
 class AliHBTPair;
 class AliHBTLLWeights: public TObject
- {
-   public:
-     virtual ~AliHBTLLWeights(){;}
-     static AliHBTLLWeights* Instance();
-     
-     void Init(); //put the initial values in fortran commons fsiini, led_bldata
-     Double_t GetWeight(const AliHBTPair* partpair); //get weight calculated by Lednicky's algorithm
-
-     void SetTest(Bool_t rtest = kTRUE){ftest = rtest;} //if ftest=0: 
-     //physical values of the following  parameters are put automatically                       
-     //            in FSIINI (their values are not required)          
-     // ftest=1: any values of the following parameters are allowed,    
-     //the following parameters are required:                           
-
-     void SetColoumb(Bool_t col = kTRUE){fColoumbSwitch = col;}//: (ICH in fortran code) Coulomb interaction between the two particles ON (OFF)
-     void SetQuantumStatistics(Bool_t qss = kTRUE){fQuantStatSwitch = qss;}//IQS: quantum statistics for the two particles ON (OFF) //if non-identical particles automatically off
-     void SetStrongInterSwitch(Bool_t sis = kTRUE){fStrongInterSwitch = sis;}//ISI: strong interaction between the two particles ON (OFF)
-     void SetColWithResidNuclSwitch(Bool_t crn = kTRUE){fColWithResidNuclSwitch = crn;}//I3C: Coulomb interaction with residual nucleus ON (OFF)  
-     void SetApproxModel(Int_t ap){approximationModel=ap;}//NS in Fortran code, 
-     //   NS=1  Square well potential,                                                             
-     //   NS=3  not used                                                                           
-     //   NS=4  scattered wave approximated by the spherical wave,                                 
-     //   NS=2  same as NS=4 but the approx. of equal emission times in PRF                        
-     //         not required (t=0 approx. used in all other cases).      
-
-     
-     void SetRandomPosition(Bool_t rp = kTRUE){fRandomPosition = rp;} //ON=kTRUE(OFF=kFALSE)
-     // ON -- calculation of the Gauss source radii if the generator don't allows the source generation (for example MeVSim)
-     //if ON the following parameters are requested:
-     void SetR1dw(Double_t R){fRadius=R;}   //spherical source model radii                                                                                                                                                                                             
-     void SetLambdaw(Double_t la){flambda=la;}  //lambda=haoticity                                                   
+{
+ public:
+  virtual ~AliHBTLLWeights(){;}
+  AliHBTLLWeights(const AliHBTLLWeights &source) {
+    //Copy ctor needed by the coding conventions but not used
+    Fatal("AliHBTLLWeights","copy ctor not implemented");
+  }
+  AliHBTLLWeights & operator=(const AliHBTLLWeights &source) {
+    //Assignment operator needed by the coding conventions but not used
+    Fatal("AliHBTLLWeights","assignment operator not implemented");
+    return * this;
+  }
+  static AliHBTLLWeights* Instance();
+  
+  void Init(); //put the initial values in fortran commons fsiini, led_bldata
+  Double_t GetWeight(const AliHBTPair* partpair); //get weight calculated by Lednicky's algorithm
+
+  void SetTest(Bool_t rtest = kTRUE){ftest = rtest;} //if ftest=0: 
+  //physical values of the following  parameters are put automatically                       
+  //            in FSIINI (their values are not required)          
+  // ftest=1: any values of the following parameters are allowed,    
+  //the following parameters are required:                           
+
+  void SetColoumb(Bool_t col = kTRUE){
+    //(ICH in fortran code) Coulomb interaction between 
+    //the two particles ON (OFF)
+    fColoumbSwitch = col;
+  }
+  void SetQuantumStatistics(Bool_t qss = kTRUE){
+    //IQS: quantum statistics for the two particles ON (OFF)
+    //if non-identical particles automatically off
+    fQuantStatSwitch = qss;
+  }
+  void SetStrongInterSwitch(Bool_t sis = kTRUE){
+    //ISI: strong interaction between the two particles ON (OFF)
+    fStrongInterSwitch = sis;
+  }
+  void SetColWithResidNuclSwitch(Bool_t crn = kTRUE){
+    //I3C: Coulomb interaction with residual nucleus ON (OFF)
+    fColWithResidNuclSwitch = crn;
+  }
+  void SetApproxModel(Int_t ap){
+    //NS in Fortran code,
+    fApproximationModel=ap;
+  }
+  //   NS=1  Square well potential,
+  //   NS=3  not used
+  //   NS=4  scattered wave approximated by the spherical wave,
+  //   NS=2  same as NS=4 but the approx. of equal emission times in PRF
+  //         not required (t=0 approx. used in all other cases).    
 
      
-     void SetParticlesTypes(Int_t pid1, Int_t pid2){fPID1 = pid1; fPID2 = pid2;} //set AliRoot particles types   
+  void SetRandomPosition(Bool_t rp = kTRUE){
+    //ON=kTRUE(OFF=kFALSE)
+    fRandomPosition = rp;
+  } 
+  // ON -- calculation of the Gauss source radii if the generator 
+  //       don't allows the source generation (for example MeVSim)
+  //if ON the following parameters are requested:
+  void SetR1dw(Double_t R){fRadius=R;}   //spherical source model radii
+  void SetLambdaw(Double_t la){flambda=la;}  //lambda=haoticity
+  void SetParticlesTypes(Int_t pid1, Int_t pid2){
+    //set AliRoot particles types   
+    fPID1 = pid1; fPID2 = pid2;
+  }
     
-     void SetNucleusCharge(Double_t ch){fNuclCharge=ch;} // not used now  (see comments in fortran code)
-     void SetNucleusMass(Double_t mass){fNuclMass=mass;} // (see comments in fortran code)
-
-
-   protected:
-     
-     Bool_t ftest; 
-     Bool_t fColoumbSwitch; 
-     Bool_t fQuantStatSwitch; 
-     Bool_t fStrongInterSwitch;//Switches strong interactions TRUE=ON
-     Bool_t fColWithResidNuclSwitch;//Switches couloumb interaction 
-                                    //with residual nucleus TRUE=ON          
-     Double_t fNuclMass; //mass 
-     Double_t fNuclCharge; //charge    
-     
-     Bool_t  fRandomPosition;
-     Double_t fRadius;
-     Double_t flambda;
-
-     
-     Double_t wein;
-
-     Int_t approximationModel; //approximation used to calculate Bethe-Salpeter amplitude
-                             //   ==1  Square well potential,
-                             //   ==3  not used
-                             //   ==4  scattered wave approximated by the spherical wave,
-                             //   ==2  same as NS=4 but the approx. of equal emission times in PRF
-                             //         not required (t=0 approx. used in all other cases).
-                             //  Note: if ==2,4, the B-S amplitude diverges at zero distance r* in
-                             //         the two-particle c.m.s.; user can specify a cutoff AA in
-                             //         SUBROUTINE FSIINI, for example:
-                             //         IF(NS.EQ.2.OR.NS.EQ.4)AA=5.D0 !! in 1/GeV --> AA=1. fm
-     
-     Int_t fPID1;
-     Int_t fPID2;
-
-     static  AliHBTLLWeights *fgLLWeights;// pointer to wrapper of Fortran Lednicky code
-
-
-     static Int_t GetPairCode(Int_t pid1,Int_t pid2);
-     static Int_t GetPairCode(const AliHBTPair* partpair);//calculate automatically internal FSIW 
-         //     C----------------------------------------------------------------------               
-         //     C-   LL       1  2  3  4   5    6   7  8  9 10  11  12  13  14 15 16 17               
-         //     C-   part. 1: n  p  n alfa pi+ pi0 pi+ n  p pi+ pi+ pi+ pi- K+ K+ K+ K-               
-         //     C-   part. 2: n  p  p alfa pi- pi0 pi+ d  d  K-  K+  p   p  K- K+ p  p                
-         //     C   NS=1 y/n: +  +  +  +   +    -   -  -  -  -   -   -   -  -  -  -  -                
-         //     C----------------------------------------------------------------------               
-         //     C-   LL       18  19 20  21  22 23 24 25 26    27     28                              
-         //     C-   part. 1:  d  d   t  t   K0 K0  d p  p      p      n                              
-         //     C-   part. 2:  d alfa t alfa K0 K0b t t alfa lambda lambda                            
-         //     C   NS=1 y/n:  -  -   -  -   -  -   - -  -      +      +                              
-         //     C----------------------------------------------------------------------               
-                                                                                  
-
-     Double_t fsigma; //constants for spherical source model 
-     Double_t fwcons; //
-     
-   private:
-   AliHBTLLWeights();
-
-   public:
-     ClassDef(AliHBTLLWeights,1)
+  void SetNucleusCharge(Double_t ch){
+    // not used now  (see comments in fortran code)
+    fNuclCharge=ch;
+  }
+  void SetNucleusMass(Double_t mass){
+    // (see comments in fortran code)
+    fNuclMass=mass;
+  }
+  
+  
+ protected:
+  
+  Bool_t ftest; // Switch for automatic setting of all parameters
+  Bool_t fColoumbSwitch; // Swith for Couloumb interaction in the pair
+  Bool_t fQuantStatSwitch; //Switch for quantum statistics
+  Bool_t fStrongInterSwitch;//Switches strong interactions TRUE=ON
+  Bool_t fColWithResidNuclSwitch;//Switches couloumb interaction 
+  //with residual nucleus TRUE=ON          
+  Double_t fNuclMass; //mass 
+  Double_t fNuclCharge; //charge       
+  
+  Bool_t  fRandomPosition; // Radius of Gaussian source
+  Double_t fRadius; // Raduis of spheric source
+  Double_t flambda; // Chaoticity
+  
+  
+  //  Double_t fWein;
+  
+  Int_t fApproximationModel; //approximation used to calculate 
+  //  Bethe-Salpeter amplitude
+  //   ==1  Square well potential,
+  //   ==3  not used
+  //   ==4  scattered wave approximated by the spherical wave,
+  //   ==2  same as NS=4 but the approx. of equal emission times in PRF
+  //         not required (t=0 approx. used in all other cases).
+  //  Note: if ==2,4, the B-S amplitude diverges at zero distance r* in
+  //         the two-particle c.m.s.; user can specify a cutoff AA in
+  //         SUBROUTINE FSIINI, for example:
+  //         IF(NS.EQ.2.OR.NS.EQ.4)AA=5.D0 !! in 1/GeV --> AA=1. fm
+  
+  Int_t fPID1; // Type of the first particle
+  Int_t fPID2; // Type of the second particle
+  
+  static  AliHBTLLWeights *fgLLWeights;// pointer to wrapper of Fortran Lednicky code
+  
+  
+  static Int_t GetPairCode(Int_t pid1,Int_t pid2);
+  static Int_t GetPairCode(const AliHBTPair* partpair);//calculate automatically internal FSIW
+  //----------------------------------------------------------------------
+  // LL        1  2  3  4   5    6   7  8  9 10  11  12  13  14 15 16 17
+  // part. 1:  n  p  n alfa pi+ pi0 pi+ n  p pi+ pi+ pi+ pi- K+ K+ K+ K-
+  // part. 2:  n  p  p alfa pi- pi0 pi+ d  d  K-  K+  p   p  K- K+ p  p
+  // NS=1 y/n: +  +  +  +   +    -   -  -  -  -   -   -   -  -  -  -  -
+  //----------------------------------------------------------------------
+  // LL       18  19 20  21  22 23 24 25 26    27     28
+  // part. 1:  d  d   t  t   K0 K0  d p  p      p      n
+  // part. 2:  d alfa t alfa K0 K0b t t alfa lambda lambda
+  // NS=1 y/n:  -  -   -  -   -  -   - -  -      +      +
+  //----------------------------------------------------------------------
+  
+  Double_t fsigma; //constants for spherical source model 
+  Double_t fwcons; //weight of final state interaction?
+  
+ private:
+  AliHBTLLWeights();
+  
+  ClassDef(AliHBTLLWeights,1)
  };
 
 #endif