+++ /dev/null
-////////////////////////////////////////////////////////////////////////////////
-// //
-// AliFemtoCorrFctnPairFractions - A correlation function that analyzes //
-// two particle correlations with respect to the azimuthal angle (phi) //
-// and pseudorapidity (eta) difference //
-// //
-// Authors: Malgorzata Janik, majanik@cern.ch //
-// //
-////////////////////////////////////////////////////////////////////////////////
-
-#include "AliFemtoCorrFctnPairFractions.h"
-#include "AliFemtoModelHiddenInfo.h"
-//#include "AliFemtoHisto.hh"
-#include <cstdio>
-#include <TMath.h>
-
-#ifdef __ROOT__
-ClassImp(AliFemtoCorrFctnPairFractions)
-#endif
-
-#define PIH 1.57079632679489656
-#define PIT 6.28318530717958623
-
-//____________________________
-AliFemtoCorrFctnPairFractions::AliFemtoCorrFctnPairFractions(char* title):
-AliFemtoCorrFctn(),
- fPairFractions(0),
- fPairFractionsDen(0),
- fphiL(0),
- fphiT(0)
-{
-
- //fphiL = (-(int)(aPhiBins/4)+0.5)*2.*TMath::Pi()/aPhiBins;
- //fphiT = 2*TMath::Pi()+(-(int)(aPhiBins/4)+0.5)*2.*TMath::Pi()/aPhiBins;
-
- TString hname = "hPairFraction"; hname+= title;
- TString htitle = "Pair Fraction "; htitle+= title;
- fPairFractions = new TH1F(hname.Data(),htitle.Data(), 9, 0, 9);
- fPairFractions->GetXaxis()->SetBinLabel(1,"#pi#pi, MC");
- fPairFractions->GetXaxis()->SetBinLabel(2,"KK, MC");
- fPairFractions->GetXaxis()->SetBinLabel(3,"pp, MC");
- fPairFractions->GetXaxis()->SetBinLabel(4,"#pi K, MC");
- fPairFractions->GetXaxis()->SetBinLabel(5,"#pi p, MC");
- fPairFractions->GetXaxis()->SetBinLabel(6,"Kp, MC");
- fPairFractions->GetXaxis()->SetBinLabel(7,"e+, MC");
- fPairFractions->GetXaxis()->SetBinLabel(8,"#mu+, MC");
- fPairFractions->GetXaxis()->SetBinLabel(9,"Other, MC");
-
- hname = "hPairFractionDen"; hname+= title;
- htitle = "Pair Fraction in Mixing "; htitle+= title;
- fPairFractionsDen = new TH1F(hname.Data(),htitle.Data(), 9, 0, 9);
- fPairFractionsDen->GetXaxis()->SetBinLabel(1,"#pi#pi, MC");
- fPairFractionsDen->GetXaxis()->SetBinLabel(2,"KK, MC");
- fPairFractionsDen->GetXaxis()->SetBinLabel(3,"pp, MC");
- fPairFractionsDen->GetXaxis()->SetBinLabel(4,"#pi K, MC");
- fPairFractionsDen->GetXaxis()->SetBinLabel(5,"#pi p, MC");
- fPairFractionsDen->GetXaxis()->SetBinLabel(6,"Kp, MC");
- fPairFractionsDen->GetXaxis()->SetBinLabel(7,"e+, MC");
- fPairFractionsDen->GetXaxis()->SetBinLabel(8,"#mu+, MC");
- fPairFractionsDen->GetXaxis()->SetBinLabel(9,"Other, MC");
-
- // to enable error bar calculation...
- fPairFractions->Sumw2();
- fPairFractionsDen->Sumw2();
-}
-
-//____________________________
-AliFemtoCorrFctnPairFractions::AliFemtoCorrFctnPairFractions(const AliFemtoCorrFctnPairFractions& aCorrFctn) :
- AliFemtoCorrFctn(),
- fPairFractions(0),
- fPairFractionsDen(0),
- fphiL(0),
- fphiT(0)
-{
- // copy constructor
- if (aCorrFctn.fPairFractions)
- fPairFractions = new TH1F(*aCorrFctn.fPairFractions);
- else
- fPairFractions = 0;
-
- if (aCorrFctn.fPairFractions)
- fPairFractions = new TH1F(*aCorrFctn.fPairFractions);
- else
- fPairFractions = 0;
-
- fphiL = aCorrFctn.fphiL;
- fphiT = aCorrFctn.fphiT;
-
-
-}
-//____________________________
-AliFemtoCorrFctnPairFractions::~AliFemtoCorrFctnPairFractions(){
- // destructor
- if(fPairFractions)
- delete fPairFractions;
- if(fPairFractionsDen)
- delete fPairFractionsDen;
-}
-//_________________________
-AliFemtoCorrFctnPairFractions& AliFemtoCorrFctnPairFractions::operator=(const AliFemtoCorrFctnPairFractions& aCorrFctn)
-{
- // assignment operator
- if (this == &aCorrFctn)
- return *this;
-
- if (aCorrFctn.fPairFractions)
- fPairFractions = new TH1F(*aCorrFctn.fPairFractions);
- else
- fPairFractions = 0;
-
- if (aCorrFctn.fPairFractionsDen)
- fPairFractionsDen = new TH1F(*aCorrFctn.fPairFractionsDen);
- else
- fPairFractionsDen = 0;
-
- fphiL = aCorrFctn.fphiL;
- fphiT = aCorrFctn.fphiT;
-
- return *this;
-}
-//_________________________
-void AliFemtoCorrFctnPairFractions::Finish(){
- // here is where we should normalize, fit, etc...
- // we should NOT Draw() the histos (as I had done it below),
- // since we want to insulate ourselves from root at this level
- // of the code. Do it instead at root command line with browser.
- // mShareNumerator->Draw();
- // mShareDenominator->Draw();
- // mRatio->Draw();
-
-}
-
-//____________________________
-AliFemtoString AliFemtoCorrFctnPairFractions::Report(){
- // create report
- string stemp = "Pair Fractions Correlation Function Report:\n";
- char ctemp[100];
- snprintf(ctemp , 100, "Number of entries in numerator:\t%E\n",fPairFractions->GetEntries());
- stemp += ctemp;
- snprintf(ctemp , 100, "Number of entries in denominator:\t%E\n",fPairFractions->GetEntries());
- stemp += ctemp;
- // stemp += mCoulombWeight->Report();
- AliFemtoString returnThis = stemp;
- return returnThis;
-}
-//____________________________
-void AliFemtoCorrFctnPairFractions::AddRealPair( AliFemtoPair* pair){
- // add real (effect) pair
-
- //Applying pair cuts
- if (fPairCut)
- if (!fPairCut->Pass(pair)) return;
-
-
-
- Int_t pdg1=0;
- AliFemtoModelHiddenInfo *info1 = ( AliFemtoModelHiddenInfo *) pair->Track1()->GetHiddenInfo();
- if(info1)pdg1 = info1->GetPDGPid();
- Int_t pdg2=0;
- AliFemtoModelHiddenInfo *info2 = ( AliFemtoModelHiddenInfo *) pair->Track2()->GetHiddenInfo();
- if(info2)pdg2 = info2->GetPDGPid();
-
- if(abs(pdg1)==211 && abs(pdg2)==211) //pi pi
- fPairFractions->Fill(0.5);
- else if(abs(pdg1)==321 && abs(pdg2)==321)// K K
- fPairFractions->Fill(1.5);
- else if(abs(pdg1)==2212 && abs(pdg2)==2212)// p p
- fPairFractions->Fill(2.5);
- else if((abs(pdg1)==211 && abs(pdg2)==321)||(abs(pdg1)==321 && abs(pdg2)==211))// pi K
- fPairFractions->Fill(3.5);
- else if((abs(pdg1)==211 && abs(pdg2)==2212)||(abs(pdg1)==2212 && abs(pdg2)==211))// pi p
- fPairFractions->Fill(4.5);
- else if((abs(pdg1)==321 && abs(pdg2)==2212)||(abs(pdg1)==2212 && abs(pdg2)==321))//K p
- fPairFractions->Fill(5.5);
- else if(abs(pdg1)==13 || abs(pdg2)==13)//one particle from the pair is electron
- fPairFractions->Fill(6.5);
- else if(abs(pdg1)==11 || abs(pdg2)==11)//one particle from the pair is muon
- fPairFractions->Fill(7.5);
- else //other
- {
- fPairFractions->Fill(8.5);
- }
- /*double phi1 = pair->Track1()->Track()->P().Phi();
- double phi2 = pair->Track2()->Track()->P().Phi();
- double eta1 = pair->Track1()->Track()->P().PseudoRapidity();
- double eta2 = pair->Track2()->Track()->P().PseudoRapidity();
-
- double phi1 = pair->Track1()->FourMomentum().Phi();
- double phi2 = pair->Track2()->FourMomentum().Phi();
- double eta1 = pair->Track1()->FourMomentum().PseudoRapidity();
- double eta2 = pair->Track2()->FourMomentum().PseudoRapidity();
-
- double dphi = phi1 - phi2;
- while (dphi<fphiL) dphi+=PIT;
- while (dphi>fphiT) dphi-=PIT;
-
- double deta = eta1 - eta2;
-
- double px1 = pair->Track1()->Track()->P().x();
- double py1 = pair->Track1()->Track()->P().y();
- double px2 = pair->Track2()->Track()->P().x();
- double py2 = pair->Track2()->Track()->P().y();
- double pt1 = TMath::Hypot(px1, py1);
- double pt2 = TMath::Hypot(px2, py2);
-
-
- double PionMass = 0.13956995;*/
-
-}
-//____________________________
-void AliFemtoCorrFctnPairFractions::AddMixedPair( AliFemtoPair* pair){
- // add mixed (background) pair
- if (fPairCut)
- if (!fPairCut->Pass(pair)) return;
-
-
-
- Int_t pdg1=0;
- AliFemtoModelHiddenInfo *info1 = ( AliFemtoModelHiddenInfo *) pair->Track1()->GetHiddenInfo();
- if(info1)pdg1 = info1->GetPDGPid();
- Int_t pdg2=0;
- AliFemtoModelHiddenInfo *info2 = ( AliFemtoModelHiddenInfo *) pair->Track2()->GetHiddenInfo();
- if(info2)pdg2 = info2->GetPDGPid();
-
- if(abs(pdg1)==211 && abs(pdg2)==211) //pi pi
- fPairFractionsDen->Fill(0.5);
- else if(abs(pdg1)==321 && abs(pdg2)==321)// K K
- fPairFractionsDen->Fill(1.5);
- else if(abs(pdg1)==2212 && abs(pdg2)==2212)// p p
- fPairFractionsDen->Fill(2.5);
- else if((abs(pdg1)==211 && abs(pdg2)==321)||(abs(pdg1)==321 && abs(pdg2)==211))// pi K
- fPairFractionsDen->Fill(3.5);
- else if((abs(pdg1)==211 && abs(pdg2)==2212)||(abs(pdg1)==2212 && abs(pdg2)==211))// pi p
- fPairFractionsDen->Fill(4.5);
- else if((abs(pdg1)==321 && abs(pdg2)==2212)||(abs(pdg1)==2212 && abs(pdg2)==321))//K p
- fPairFractionsDen->Fill(5.5);
- else if(abs(pdg1)==13 || abs(pdg2)==13)//one particle from the pair is electron
- fPairFractionsDen->Fill(6.5);
- else if(abs(pdg1)==11 || abs(pdg2)==11)//one particle from the pair is muon
- fPairFractionsDen->Fill(7.5);
- else //other
- {
- fPairFractionsDen->Fill(8.5);
- }
-
-}
-
-
-void AliFemtoCorrFctnPairFractions::WriteHistos()
-{
- // Write out result histograms
- fPairFractions->Write();
- fPairFractionsDen->Write();
-}
-
-TList* AliFemtoCorrFctnPairFractions::GetOutputList()
-{
- // Prepare the list of objects to be written to the output
- TList *tOutputList = new TList();
-
- tOutputList->Add(fPairFractions);
- tOutputList->Add(fPairFractionsDen);
-
- return tOutputList;
-
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff