TLorentzVector rotate(TLorentzVector v, Float_t theta, Float_t phi){
v.RotateX(theta);
v.RotateY(phi);
return v;
}
void sqrtBins(){
//OPTIONS AND CUTS______________
bool useBlueBeam = false;
bool useYellowBeam = true;
bool randomizeSpin = false;
bool fullEta = false;
double PI = 3.14159265359;
cout << "\n";
if (useBlueBeam && useYellowBeam){cout << "using both beams-----" << endl;}
if (useBlueBeam && !useYellowBeam){cout << "using blue beam------" << endl;}
if (!useBlueBeam && useYellowBeam){cout << "using yellow beam----" << endl;}
cout << "\n";
if (randomizeSpin){cout << "randomizing spin-----" << endl;}
//______________________________
//LOAD LIBS_____________________
cout << "\n";
gROOT->Macro("StRoot/LoadLibs.C");
gSystem->Load("pionPair");
cout << " loading of pionPair library done" << endl;
//______________________________
//SET UP INPUT FILE_____________
TFile* infile = new TFile("/star/u/klandry/ucladisk/2012IFF/schedOut_Full_4_2/allPairs_4_2.root");
string outFileName = "./resultsNew_4_22/yellowEtaGT0_pairs_4_2.root";
//______________________________
//SET UP TREE TO RECEIVE INPUT__
pionPair* pair1 = new pionPair();
TTree* pairTree = infile->Get("pionPairTree");
pairTree->SetBranchAddress("pionPair", &pair1);
//______________________________
//SET UP HISTOGRAMS_____________
//event variable histograms
/*
TH1D* hInvarM = new TH1D("invarM","invarM",80,0,2);
TH1D* hEtaTot = new TH1D("etaTot","etaTot",60,-1.5,1.5);
TH1D* hPhiR = new TH1D("hPhiR","hPhiR",60,-4,4);
TH1D* hPhiS = new TH1D("hPhiS","hPhiS",60,-4,4);
TH1D* hPhiSR = new TH1D("hPhiSR","hPhiSR",60,-4,4);
TH1D* hTheta = new TH1D("hTheta","hTheta",30,-0.85,4);
TH1D* hCosTheta = new TH1D("hCosTheta","hCosTheta",80,-1,1);
TH1D* hZ = new TH1D("hZ","hZ",80,0,1);
TH1D* hPtot = new TH1D("hPtot","hPtot",80,0,20);
TH1D* hPtTOT = new TH1D("hPt","hPt",80,0,15);
*/
//histos for asym analysis
double histMin = -PI;
double histMax = PI;
TH1D * hNumberUp = new TH1D("hNumberUp","hNumberUp",nPhisrBins,histMin,histMax);
TH1D * hNumberDown = new TH1D("hNumberDown","hNumberDown",nPhisrBins,histMin,histMax);
TH1D * hNumberUp_Pt[nPtBins];
TH1D * hNumberDown_Pt[nPtBins];
TH1D * hNumberUp_Mass[nMassBins];
TH1D * hNumberDown_Mass[nMassBins];
TH1D * hNumberUp_Eta[nEtaBins];
TH1D * hNumberDown_Eta[nEtaBins];
createFiveBins(hNumberUp_Pt,nPhisrBins,histMin,histMax,"hNumUp_Ptbin_");
createFiveBins(hNumberDown_Pt,nPhisrBins,histMin,histMax,"hNumDwn_Ptbin_");
createFiveBins(hNumberUp_Mass,nPhisrBins,histMin,histMax,"hNumUp_Massbin_");
createFiveBins(hNumberDown_Mass,nPhisrBins,histMin,histMax,"hNumDwn_Massbin_");
createFourBins(hNumberUp_Eta,nPhisrBins,histMin,histMax,"hNumUp_Etabin_");
createFourBins(hNumberDown_Eta,nPhisrBins,histMin,histMax,"hNumDwn_Etabin_");
TH1D* hAut_Pt[nPtBins];
TH1D* hAut_Mass[nMassBins];
TH1D* hAut_Eta[nEtaBins];
createFiveBins(hAut_Pt, nPhisrBins, histMin, histMax, "hAut_Ptbin_");
createFiveBins(hAut_Mass, nPhisrBins, histMin, histMax, "hAut_Massbin_");
createFourBins(hAut_Eta, nPhisrBins, histMin, histMax, "hAut_Etabin_");
/*
TH1D* polOfBinUp_Pt[nPtBins][binNumber];
TH1D* polOfBinDown_Pt[nPtBins][binNumber];
TH1D* polOfBinUp_Mass[nMassBins][binNumber];
TH1D* polOfBinDown_Mass[nMassBins][binNumber];
TH1D* polOfBinUp_Eta[nEtaBins][binNumber];
TH1D* polOfBinDown_Eta[nEtaBins][binNumber];
createPolHists(polOfBinUp_Pt, 25, 0, 1, "hPolOfBinUp_Ptbin_");
createPolHists(polOfBinDown_Pt, 25, 0, 1, "hPolOfBinDown_Ptbin_");
createPolHists(polOfBinUp_Mass, 25, 0, 1, "hPolOfBinUp_Massbin_");
createPolHists(polOfBinDown_Mass, 25, 0, 1, "hPolOfBinDown_Massbin_");
createPolHists(polOfBinUp_Eta, 25, 0, 1, "hPolOfBinUp_Etabin_");
createPolHists(polOfBinDown_Eta, 25, 0, 1, "hPolOfBinDown_Etabin_");
*/
TH1D* polOfBin_Pt[nPtBins][nPhisrBins];
TH1D* polOfBin_Mass[nMassBins][nPhisrBins];
TH1D* polOfBin_Eta[nEtaBins][nPhisrBins];
createPolHists(polOfBin_Pt, 25, 0, 1, "hPolOfBin_Ptbin_");
createPolHists(polOfBin_Mass, 25, 0, 1, "hPolOfBin_Massbin_");
createPolHistsEta(polOfBin_Eta, 25, 0, 1, "hPolOfBin_Etabin_");
//HISTOGRAMS TO HOLD PT MASS AND ETA VALES
TH1D* hPt[nPtBins];
TH1D* hMass[nMassBins];
TH1D* hEta[nEtaBins];
createFiveBins(hPt, 500, 3.0, 50, "hPt_Ptbin_");
createFiveBins(hMass, 1000, 0.0, 100, "hMass_Massbin_");
createFourBins(hEta, 20, -1.4, 1.4, "hEta_Etabin_");
//TH1D * hDiff = new TH1D("hNumberSum","hNumberSum",binNumber,histMin,histMax);
//TH1D * hAut = new TH1D("Aut","Aut",binNumber,histMin,histMax);
//______________________________
//BEAM POLARIZATION_____________
ifstream polFile;
polFile.open("/star/u/klandry/ucladisk/2012IFF/BeamPolarization2012.txt");
map<int, double> polarizationOfFill_Y;
map<int, double> polErrOfFill_Y;
map<int, double> polarizationOfFill_B;
map<int, double> polErrOfFill_B;
int fill;
int beamE;
int startT;
string plusminus;
double pAvrgBlue;
double pErrAvrgBlue;
double pInitialBlue;
double pErrInitialBlue;
double dPdTBlue;
double dPdTErrBlue;
double pAvrgYellow;
double pErrAvrgYellow;
double pInitialYellow;
double pErrInitialYellow;
double dPdTYellow;
double dPdTErrYellow;
string header;
for (int i=0; i<19; i++){polFile >> header;}
while (!polFile.eof())
{
polFile >> fill;
polFile >> beamE;
polFile >> startT;
polFile >> pAvrgBlue;
polFile >> plusminus;
polFile >> pErrAvrgBlue;
polFile >> pInitialBlue;
polFile >> plusminus;
polFile >> pErrInitialBlue;
polFile >> dPdTBlue;
polFile >> plusminus;
polFile >> dPdTErrBlue;
polFile >> pAvrgYellow;
polFile >> plusminus;
polFile >> pErrAvrgYellow;
polFile >> pInitialYellow;
polFile >> plusminus;
polFile >> pErrInitialYellow;
polFile >> dPdTYellow;
polFile >> plusminus;
polFile >> dPdTErrYellow;
polarizationOfFill_B[fill] = pAvrgBlue/100.;
polErrOfFill_B[fill] = pErrAvrgBlue/100.;
polarizationOfFill_Y[fill] = pAvrgYellow/100.;
polErrOfFill_Y[fill] = pErrAvrgYellow/100.;
}
double avgPolOfBinUp[nPhisrBins];
double polOfBinSumUp[nPhisrBins];
double avgPerrorOfBinUp[nPhisrBins];
double pErrorOfBinUp[nPhisrBins];
double avgPolOfBinDown[nPhisrBins];
double polOfBinSumDown[nPhisrBins];
double avgPerrorOfBinDown[nPhisrBins];
double pErrorOfBinDown[nPhisrBins];
for (int i=0; i<nPhisrBins; i++)
{
avgPolOfBinUp[i] = 0;
polOfBinSumUp[i] = 0;
avgPerrorOfBinUp[i] = 0;
pErrorOfBinUp[i] = 0;
avgPolOfBinDown[i] = 0;
polOfBinSumDown[i] = 0;
avgPerrorOfBinDown[i] = 0;
pErrorOfBinDown[i] = 0;
}
//______________________________
//CUTS__________________________
double lowLimitPt = ptBinStart[0];
double hiLimitPt = ptBinEnd[4];
double lowLimitEta = etaBinStart[0];
double hiLimitEta = etaBinEnd[3];
double lowLimitMass = massBinStart[0];
double hiLimitMass = massBinEnd[4];
double blueLowLimitEta = 0;
double yellowLowLimitEta = 0; //this is for testing individual beams
//hiLimitEta = 0;
if (fullEta)
{
assert(hiLimitEta > 0);
assert(lowLimitEta < 0);
}
cout << "Pt between " << lowLimitPt << " and " << hiLimitPt << endl;
cout << "M between " << lowLimitMass << " and " << hiLimitMass << endl;
cout << "Eta between " << lowLimitEta << " and " << hiLimitEta << endl;
//______________________________
//*
// ======================================================================
//============================================================================
//START ANALYSIS==============================================================
//============================================================================
// ======================================================================
//*
cout << "\n";
cout << "<----STARTING ANALYSIS---->" << endl;
cout << "\n";
cout << pairTree->GetEntries() << " pairs to analyze" << endl;
int blueFillNo;
int yellowFillNo;
int phiSRbin;
TLorentzVector sum;
TLorentzVector sumY;
TLorentzVector sumB;
//random number for randomizing spin.
//set seed to zero to gaurenty unique numbers each time.
TRandom3 r;
r.SetSeed(0);
int rand5 = 0;
int rand6 = 0;
int rand9 = 0;
int rand10 = 0;
int totalPairsFinal = 0;
int blueD = 0;
int blueU = 0;
int yellowD = 0;
int yellowU = 0;
int pionStarNumber = 0;
int test = 0;
for (int iPair = pionStarNumber; iPair < pairTree->GetEntries(); iPair++)
{
if (iPair%10000 == 0) {cout << "processing pair number " << iPair << endl;}
//if (iPair == pionStarNumber+100000){break;}
pairTree->GetEntry(iPair);
if (pair1->withinRadius(0.05, 0.3))
{
bool triggerFired = false;
bool fromKaon = false;
bool passInitialCut_B = false;
bool passInitialCut_Y = false;
bool passDCAcut = false;
StTriggerId trigId = pair1->triggerIds();
//JP0,JP1,JP2,AJP
if (trigId.isTrigger(370601) || trigId.isTrigger(370611) || trigId.isTrigger(370621) || trigId.isTrigger(370641))
{
triggerFired = true;
}
//BHT0VPD,BHT1VPD,BHT2BBC,BHT2
if (trigId.isTrigger(370501) || trigId.isTrigger(370511) || trigId.isTrigger(370522) || trigId.isTrigger(370531))
{
triggerFired = true;
}
if (triggerFired)
{
blueFillNo = pair1->runInfo().beamFillNumber(1); //1 = blue beam
yellowFillNo = pair1->runInfo().beamFillNumber(0); //0 = yellow beam
sum = pair1->piPlusLV() + pair1->piMinusLV();
sumB = sum; //blue beam.
//yellow beam must rotate around y axis by pi so the eta cut can be the same for both beams.
sumY = sum;
sumY.RotateY(PI);
//blue low limit eta is 0 yellow high limit eta is 0 this is a test
if (sumB.Pt() >= lowLimitPt && sumB.Pt() <= hiLimitPt && sumB.M() >= lowLimitMass && sumB.M() <= hiLimitMass && sumB.Eta() >= lowLimitEta && sumB.Eta() <= hiLimitEta)
{
passInitialCut_B = true;
}
if (sumY.Pt() >= lowLimitPt && sumY.Pt() <= hiLimitPt && sumY.M() >= lowLimitMass && sumY.M() <= hiLimitMass && sumY.Eta() >= yellowLowLimitEta && sumY.Eta() <= hiLimitEta)
{
passInitialCut_Y = true;
}
if (passInitialCut_B && useBlueBeam)
{
//BLUE BEAM SPIN UP: spin bin 9 and 10
if (pair1->spinBit() == 9 || pair1->spinBit() == 10)
{
fillCorrectPtBin(hNumberUp_Pt, sumB, pair1->phiSR('b'), polOfBin_Pt, polarizationOfFill_B[blueFillNo],hPt);
fillCorrectMassBin(hNumberUp_Mass, sumB, pair1->phiSR('b'), polOfBin_Mass, polarizationOfFill_B[blueFillNo],hMass);
if(fullEta){fillCorrectEtaBin(hNumberUp_Eta, sumB, pair1->phiSR('b'), polOfBin_Eta, polarizationOfFill_B[blueFillNo],hEta);}
}
//BLUE BEAM SPIN DOWN: spin bin 5 and 6
if (pair1->spinBit() == 5 || pair1->spinBit() == 6)
{
fillCorrectPtBin(hNumberDown_Pt, sumB, pair1->phiSR('b'), polOfBin_Pt, polarizationOfFill_B[blueFillNo],hPt);
fillCorrectMassBin(hNumberDown_Mass, sumB, pair1->phiSR('b'), polOfBin_Mass, polarizationOfFill_B[blueFillNo],hMass);
if(fullEta){fillCorrectEtaBin(hNumberDown_Eta, sumB, pair1->phiSR('b'), polOfBin_Eta, polarizationOfFill_B[blueFillNo],hEta);}
}
}//done with blue beam
if (passInitialCut_Y && useYellowBeam)
{
//YELLOW BEAM SPIN UP: spin bin 6 and 10
if (pair1->spinBit() == 6 || pair1->spinBit() == 10)
{
fillCorrectPtBin(hNumberUp_Pt, sumY, pair1->phiSR('y'), polOfBin_Pt, polarizationOfFill_Y[yellowFillNo],hPt);
fillCorrectMassBin(hNumberUp_Mass, sumY, pair1->phiSR('y'), polOfBin_Mass, polarizationOfFill_Y[yellowFillNo],hMass);
if(fullEta){fillCorrectEtaBin(hNumberUp_Eta, sumY, pair1->phiSR('y'), polOfBin_Eta, polarizationOfFill_Y[yellowFillNo],hEta);}
}
//YELLOW BEAM SPIN DOWN: spin bit 5 and 9
if (pair1->spinBit() == 5 || pair1->spinBit() == 9)
{
fillCorrectPtBin(hNumberDown_Pt, sumY, pair1->phiSR('y'), polOfBin_Pt, polarizationOfFill_Y[yellowFillNo],hPt);
fillCorrectMassBin(hNumberDown_Mass, sumY, pair1->phiSR('y'), polOfBin_Mass, polarizationOfFill_Y[yellowFillNo],hMass);
if(fullEta){fillCorrectEtaBin(hNumberDown_Eta, sumY, pair1->phiSR('y'), polOfBin_Eta, polarizationOfFill_Y[yellowFillNo],hEta);}
}
}//done with yellow beam
}//end trigger check
}//end radius check
}//end pion tree loop
//CALCULATE ASYMMETRY BIN BY BIN
cout << "\n";
cout << "<----CALCULATING ASYMMETRY---->" << endl;
cout << "\n";
double asymsPt[5];
double asymsMass[5];
double asymsEta[4];
double asymsPtE[5];
double asymsMassE[5];
double asymsEtaE[4];
cout << "\n";
cout << "\n";
cout << "\n \n calcing pt asym " << endl;
calcAsym(hAut_Pt, hNumberUp_Pt, hNumberDown_Pt, polOfBin_Pt, asymsPt, asymsPtE);
cout << "\n";
cout << "\n";
cout << "\n \n calcing mass asym " << endl;
calcAsym(hAut_Mass, hNumberUp_Mass, hNumberDown_Mass, polOfBin_Mass, asymsMass, asymsMassE);
cout << "\n";
cout << "\n";
if (fullEta)
{
cout << "\n \n calcing eta asym " << endl;
calcAsymEta(hAut_Eta, hNumberUp_Eta, hNumberDown_Eta, polOfBin_Eta, asymsEta, asymsEtaE);
}
//PLOT ASYMMETRIES
cout << "\n";
cout << "<----PLOTTING ASYMMETRIES---->" << endl;
cout << "\n";
double ptPoints[5];
double ptPointsErr[5];
double massPoints[5];
double massPointsErr[5];
double etaPoints[5];
double etaPointsErr[5];
getPtPoints(hPt, ptPoints, ptPointsErr);
getMassPoints(hMass, massPoints, massPointsErr);
if(fullEta){getEtaPoints(hEta, etaPoints, etaPointsErr);}
TCanvas* cAsymPt = new TCanvas();
TGraphErrors* gAsymPt = new TGraphErrors(nPtBins,ptPoints,asymsPt,ptPointsErr,asymsPtE);
gAsymPt->Draw("AP");
TCanvas* cAsymMass = new TCanvas();
TGraphErrors* gAsymMass = new TGraphErrors(nMassBins,massPoints,asymsMass,massPointsErr,asymsMassE);
gAsymMass->Draw("AP");
if (fullEta)
{
TCanvas* cAsymEta = new TCanvas();
TGraphErrors* gAsymEta = new TGraphErrors(nEtaBins,etaPoints,asymsEta,etaPointsErr,asymsEtaE);
gAsymEta->Draw("AP");
}
//DRAW HISTOGRAMS
cout << "\n";
cout << "<----DRAWING HISTOGRAMS---->" << endl;
cout << "\n";
TCanvas* cPt = new TCanvas("cPt","cPt",1200,600);
TCanvas* cMass = new TCanvas("cMass","cMass",1200,600);
if(fullEta){TCanvas* cEta = new TCanvas("cEta","cEta",800,600);}
//drawAllBins(hPt, cPt);
//drawAllBins(hMass, cMass);
drawFiveBins(hAut_Pt, cPt);
drawFiveBins(hAut_Mass, cMass);
if(fullEta){drawFourBins(hAut_Eta, cEta);}
TFile* outFile = new TFile(outFileName.c_str(),"recreate");
writeFiveBins(hPt);
writeFiveBins(hMass);
writeFourBins(hEta);
writeFiveBins(hAut_Pt);
writeFiveBins(hAut_Mass);
if(fullEta){writeFourBins(hAut_Eta);}
gAsymPt->Write();
gAsymMass->Write();
if(fullEta){gAsymEta->Write();}
/*
cPt->SaveAs("./resultsNew_4_22/ptCanvasFullrangeLoEta.png");
cPt->SaveAs("./resultsNew_4_22/ptCanvasFullrangeLoEta.pdf");
cMass->SaveAs("./resultsNew_4_22/massCanvasFullrangeLoEta.png");
cMass->SaveAs("./resultsNew_4_22/massCanvasFullrangeLoEta.pdf");
if(fullEta)
{
cEta->SaveAs("./resultsNew_4_22/etaCanvasFullrangeHiEta.png");
cEta->SaveAs("./resultsNew_4_22/etaCanvasFullrangeHiEta.pdf");
}
*/
for (int ibin = 1; ibin <= 16; ibin++)
{
cout << "bin " << ibin << endl;
cout << "Nup = " << hNumberUp_Mass[0]->GetBinContent(ibin) << endl;
cout << "Ndown = " << hNumberDown_Mass[0]->GetBinContent(ibin) << endl;
}
cout << "<----END---->" << endl;
}
void sqrtByFill(){
//OPTIONS AND CUTS______________
bool useBlueBeam = true;
bool useYellowBeam = true;
bool randomizeSpin = false;
bool fullEta = true;
double PI = 3.14159265359;
//LOAD LIBS_____________________
cout << "\n";
gROOT->Macro("StRoot/LoadLibs.C");
gSystem->Load("pionPair");
cout << " loading of pionPair library done" << endl;
//______________________________
//SET UP INPUT FILE_____________
TFile* infile = new TFile("/star/u/klandry/ucladisk/2012IFF/schedOut_Full_4_2/allPairs_4_2.root");
string outFileName = "./resultsNew_4_22/pairsFrom4_2ByFill.root";
//______________________________
//SET UP TREE TO RECEIVE INPUT__
pionPair* pair1 = new pionPair();
TTree* pairTree = infile->Get("pionPairTree");
pairTree->SetBranchAddress("pionPair", &pair1);
//______________________________
double histMin = -PI;
double histMax = PI;
const int binNumber = 16;
TH1D * hNumberUp = new TH1D("hNumberUp","hNumberUp",binNumber,histMin,histMax);
TH1D * hNumberDown = new TH1D("hNumberDown","hNumberDown",binNumber,histMin,histMax);
TH1D * hAut = new TH1D("Aut","Aut",binNumber,histMin,histMax);
TH1D* polOfBin[16];
for (int i = 0; i < 16; i++)
{
stringstream ss;
ss << i;
string fullname = "hPolOfBin_phiSRbin_" + ss.str();
cout << fullname << endl;
polOfBin[i] = new TH1D(fullname.c_str(),fullname.c_str(),25,0,1);
}
//BEAM POLARIZATION_____________
ifstream polFile;
polFile.open("/star/u/klandry/ucladisk/2012IFF/BeamPolarization2012.txt");
map<int, double> polarizationOfFill_Y;
map<int, double> polErrOfFill_Y;
map<int, double> polarizationOfFill_B;
map<int, double> polErrOfFill_B;
int fill;
int beamE;
int startT;
string plusminus;
double pAvrgBlue;
double pErrAvrgBlue;
double pInitialBlue;
double pErrInitialBlue;
double dPdTBlue;
double dPdTErrBlue;
double pAvrgYellow;
double pErrAvrgYellow;
double pInitialYellow;
double pErrInitialYellow;
double dPdTYellow;
double dPdTErrYellow;
string header;
for (int i=0; i<19; i++){polFile >> header;}
while (!polFile.eof())
{
polFile >> fill;
polFile >> beamE;
polFile >> startT;
polFile >> pAvrgBlue;
polFile >> plusminus;
polFile >> pErrAvrgBlue;
polFile >> pInitialBlue;
polFile >> plusminus;
polFile >> pErrInitialBlue;
polFile >> dPdTBlue;
polFile >> plusminus;
polFile >> dPdTErrBlue;
polFile >> pAvrgYellow;
polFile >> plusminus;
polFile >> pErrAvrgYellow;
polFile >> pInitialYellow;
polFile >> plusminus;
polFile >> pErrInitialYellow;
polFile >> dPdTYellow;
polFile >> plusminus;
polFile >> dPdTErrYellow;
polarizationOfFill_B[fill] = pAvrgBlue/100.;
polErrOfFill_B[fill] = pErrAvrgBlue/100.;
polarizationOfFill_Y[fill] = pAvrgYellow/100.;
polErrOfFill_Y[fill] = pErrAvrgYellow/100.;
}
double avgPolOfBinUp[binNumber];
double polOfBinSumUp[binNumber];
double avgPerrorOfBinUp[binNumber];
double pErrorOfBinUp[binNumber];
double avgPolOfBinDown[binNumber];
double polOfBinSumDown[binNumber];
double avgPerrorOfBinDown[binNumber];
double pErrorOfBinDown[binNumber];
for (int i=0; i<binNumber; i++)
{
avgPolOfBinUp[i] = 0;
polOfBinSumUp[i] = 0;
avgPerrorOfBinUp[i] = 0;
pErrorOfBinUp[i] = 0;
avgPolOfBinDown[i] = 0;
polOfBinSumDown[i] = 0;
avgPerrorOfBinDown[i] = 0;
pErrorOfBinDown[i] = 0;
}
//CUTS__________________________
double lowLimitPt = ptBinStart[0];
double hiLimitPt = ptBinEnd[4];
double lowLimitEta = etaBinStart[3]; //set up do only do eta bin 3
double hiLimitEta = etaBinEnd[3];
double lowLimitMass = massBinStart[0];
double hiLimitMass = massBinEnd[4];
//______________________________
// ======================================================================
//============================================================================
//START ANALYSIS==============================================================
//============================================================================
// ======================================================================
//*
cout << "\n";
cout << "<----STARTING ANALYSIS---->" << endl;
cout << "\n";
cout << pairTree->GetEntries() << " pairs to analyze" << endl;
int blueFillNo;
int yellowFillNo;
int phiSRbin;
vector<double> fillAsyms;
vector<double> fillAsymsE;
vector<double> fillVec;
TLorentzVector sum;
TLorentzVector sumY;
TLorentzVector sumB;
//random number for randomizing spin.
//set seed to zero to gaurenty unique numbers each time.
TRandom3 r;
r.SetSeed(0);
int rand5 = 0;
int rand6 = 0;
int rand9 = 0;
int rand10 = 0;
int totalPairsFinal = 0;
int blueD = 0;
int blueU = 0;
int yellowD = 0;
int yellowU = 0;
int pionStarNumber = 0;
int runsProcessed = 0;
double currentFillNo = 0;
double currentRunNo = 0;
for (int iPair = pionStarNumber; iPair < pairTree->GetEntries(); iPair++)
{
if (iPair%10000 == 0) {cout << "processing pair number " << iPair << endl;}
//if (iPair == pionStarNumber+300000){break;}
pairTree->GetEntry(iPair);
//if (runsProcessed > 4){break;}
if (pair1->runInfo().beamFillNumber(1) != currentFillNo && currentFillNo != 0 && currentFillNo != 16427)
//if (pair1->runInfo().runId() != currentRunNo && currentRunNo != 0)
{
runsProcessed++;
cout << "runsProcessed " << runsProcessed << endl;
double* asym = new double();
double* asymE = new double();
calcAsyms(hAut, hNumberUp, hNumberDown, polOfBin, asym, asymE);
fillAsyms.push_back(*asym);
fillAsymsE.push_back(*asymE);
fillVec.push_back(runsProcessed);
hNumberUp->Reset();
hNumberDown->Reset();
hAut->Reset();
for (int i=0; i<binNumber; i++)
{
polOfBin[i]->Reset();
}
}
else if (currentRunNo == 16427)
{
//fillAsyms.push_back(*asym);
//fillAsymsE.push_back(*asymE);
//fillVec.push_back(runsProcessed);
hNumberUp->Reset();
hNumberDown->Reset();
hAut->Reset();
for (int i=0; i<binNumber; i++)
{
polOfBin[i]->Reset();
}
}
currentRunNo = pair1->runInfo().runId();
currentFillNo = pair1->runInfo().beamFillNumber(1);
if (pair1->withinRadius(0.05, 0.3))
{
bool triggerFired = false;
bool fromKaon = false;
bool passInitialCut_B = false;
bool passInitialCut_Y = false;
bool passDCAcut = false;
StTriggerId trigId = pair1->triggerIds();
//JP0,JP1,JP2,AJP
if (trigId.isTrigger(370601) || trigId.isTrigger(370611) || trigId.isTrigger(370621) || trigId.isTrigger(370641))
{
triggerFired = true;
}
//BHT0VPD,BHT1VPD,BHT2BBC,BHT2
if (trigId.isTrigger(370501) || trigId.isTrigger(370511) || trigId.isTrigger(370522) || trigId.isTrigger(370531))
{
triggerFired = true;
}
if (triggerFired)
{
blueFillNo = pair1->runInfo().beamFillNumber(1); //1 = blue beam
yellowFillNo = pair1->runInfo().beamFillNumber(0); //0 = yellow beam
sum = pair1->piPlusLV() + pair1->piMinusLV();
sumB = sum; //blue beam.
//yellow beam must rotate around y axis by pi so the eta cut can be the same for both beams.
sumY = sum;
sumY.RotateY(PI);
if (sumB.Pt() >= lowLimitPt && sumB.Pt() <= hiLimitPt && sumB.M() >= lowLimitMass && sumB.M() <= hiLimitMass && sumB.Eta() >= lowLimitEta && sumB.Eta() <= hiLimitEta)
{
passInitialCut_B = true;
}
if (sumY.Pt() >= lowLimitPt && sumY.Pt() <= hiLimitPt && sumY.M() >= lowLimitMass && sumY.M() <= hiLimitMass && sumY.Eta() >= lowLimitEta && sumY.Eta() <= hiLimitEta)
{
passInitialCut_Y = true;
}
if (passInitialCut_B && useBlueBeam)
{
//BLUE BEAM SPIN UP: spin bin 9 and 10
if (pair1->spinBit() == 9 || pair1->spinBit() == 10)
{
hNumberUp->Fill(pair1->phiSR('b'));
phiSRbin = hNumberUp->FindBin(pair1->phiSR('b'));
polOfBin[phiSRbin-1]->Fill(polarizationOfFill_B[blueFillNo]);
/*if (iPair > 39000)
{
cout << "polarization = " << polarizationOfFill_B[blueFillNo] << " " << blueFillNo << endl;
}*/
}
//BLUE BEAM SPIN DOWN: spin bin 5 and 6
if (pair1->spinBit() == 5 || pair1->spinBit() == 6)
{
hNumberDown->Fill(pair1->phiSR('b'));
phiSRbin = hNumberDown->FindBin(pair1->phiSR('b'));
polOfBin[phiSRbin-1]->Fill(polarizationOfFill_B[blueFillNo]);
}
}//done with blue beam
if (passInitialCut_Y && useYellowBeam)
{
//YELLOW BEAM SPIN UP: spin bin 6 and 10
if (pair1->spinBit() == 6 || pair1->spinBit() == 10)
{
hNumberUp->Fill(pair1->phiSR('y'));
phiSRbin = hNumberUp->FindBin(pair1->phiSR('y'));
polOfBin[phiSRbin-1]->Fill(polarizationOfFill_Y[yellowFillNo]);
}
//YELLOW BEAM SPIN DOWN: spin bit 5 and 9
if (pair1->spinBit() == 5 || pair1->spinBit() == 9)
{
hNumberDown->Fill(pair1->phiSR('y'));
phiSRbin = hNumberDown->FindBin(pair1->phiSR('y'));
polOfBin[phiSRbin-1]->Fill(polarizationOfFill_Y[yellowFillNo]);
}
}//done with yellow beam
}//end trigger check
}//end radius check
}//end pion tree loop
cout << "out of tree loop" << endl;
cout << fillAsyms.size() << endl;
TGraphErrors* gAsymVsFill = new TGraphErrors(fillAsyms.size(), &fillVec[0], &fillAsyms[0], 0, &fillAsymsE[0]);
gAsymVsFill->Draw("AP");
TFile* outFile = new TFile(outFileName.c_str(),"recreate");
gAsymVsFill->Write();
}
void figureOutpiover2(int ptBin, double ptCutLo, double ptCutHi, int massBin, double mCutLo, double mCutHi, int etaBin, double etaCutLo, double etaCutHi) {
//OPTIONS AND CUTS------------
bool useBlueBeam = false;
bool useYellowBeam = true;
double PI = 3.14159265359;
if (useBlueBeam && useYellowBeam) {
cout << "using both beams" << endl;
}
if (useBlueBeam && !useYellowBeam) {
cout << "using blue beam" << endl;
}
if (!useBlueBeam && useYellowBeam) {
cout << "using yellow beam" << endl;
}
//PION PAIR CUTS:
/*
double ptCutLo = 4;
double ptCutHi = 10;
double mCutLo = .4;
double mCutHi = 1;
double etaCutLo = -1.4;
double etaCutHi = 1.4;
//*/
//double phiCutLo = -.5;
//double phiCutHi = .5;
//----------------------------
//LOAD LIBS
cout << "\n";
gROOT->Macro("StRoot/LoadLibs.C");
gSystem->Load("pionPair");
cout << " loading of pionPair library done" << endl;
//SET UP INPUT FILE
//TFile* infile = new TFile("/star/u/klandry/ucladisk/2012IFF/all2012dataAll.root");
//TFile* infile = new TFile("/star/u/klandry/ucladisk/2012IFF/schedOutputWithinRad/allWithRadcut.root");
TFile* infile = new TFile("/star/u/klandry/ucladisk/2012IFF/schedOutAllDataTry1/allDataTry1.root");
//SET UP TREE TO RECEIVE INPUT
pionPair* pair1 = new pionPair();
TTree* pairTree = infile->Get("pionPairTree");
pairTree->SetBranchAddress("pionPair", &pair1);
//SET UP HISTOGRAMS
//event variable histograms
TH1D* hInvarM = new TH1D("invarM","invarM",80,0,2);
TH1D* hEtaTot = new TH1D("etaTot","etaTot",60,-1.5,1.5);
TH1D* hPhiR = new TH1D("hPhiR","hPhiR",60,-4,4);
TH1D* hPhiS = new TH1D("hPhiS","hPhiS",60,-4,4);
TH1D* hPhiSR = new TH1D("hPhiSR","hPhiSR",60,-4,4);
TH1D* hTheta = new TH1D("hTheta","hTheta",30,-0.85,4);
TH1D* hCosTheta = new TH1D("hCosTheta","hCosTheta",80,-1,1);
TH1D* hZ = new TH1D("hZ","hZ",80,0,1);
TH1D* hPtot = new TH1D("hPtot","hPtot",80,0,20);
TH1D* hPtTOT = new TH1D("hPt","hPt",80,0,15);
//histos for asym analysis
double histMin = -PI;
double histMax = PI;
const int binNumber = 16;
TH1D * hNumberUp = new TH1D("hNumberUp","hNumberUp",binNumber,histMin,histMax);
TH1D * hNumberDown = new TH1D("hNumberDown","hNumberDown",binNumber,histMin,histMax);
TH1D * hDiff = new TH1D("hNumberSum","hNumberSum",binNumber,histMin,histMax);
TH1D * hAut = new TH1D("Aut","Aut",binNumber,histMin,histMax);
//BEAM POLARIZATION
ifstream polFile;
polFile.open("/star/u/klandry/ucladisk/2012IFF/BeamPolarization2012.txt");
map<int, double> polarizationOfFill_Y;
map<int, double> polErrOfFill_Y;
map<int, double> polarizationOfFill_B;
map<int, double> polErrOfFill_B;
int fill;
int beamE;
int startT;
string plusminus;
double pAvrgBlue;
double pErrAvrgBlue;
double pInitialBlue;
double pErrInitialBlue;
double dPdTBlue;
double dPdTErrBlue;
double pAvrgYellow;
double pErrAvrgYellow;
double pInitialYellow;
double pErrInitialYellow;
double dPdTYellow;
double dPdTErrYellow;
string header;
for (int i=0; i<19; i++) {
polFile >> header;
}
while (!polFile.eof())
{
polFile >> fill;
polFile >> beamE;
polFile >> startT;
polFile >> pAvrgBlue;
polFile >> plusminus;
polFile >> pErrAvrgBlue;
polFile >> pInitialBlue;
polFile >> plusminus;
polFile >> pErrInitialBlue;
polFile >> dPdTBlue;
polFile >> plusminus;
polFile >> dPdTErrBlue;
polFile >> pAvrgYellow;
polFile >> plusminus;
polFile >> pErrAvrgYellow;
polFile >> pInitialYellow;
polFile >> plusminus;
polFile >> pErrInitialYellow;
polFile >> dPdTYellow;
polFile >> plusminus;
polFile >> dPdTErrYellow;
polarizationOfFill_B[fill] = pAvrgBlue/100.;
polErrOfFill_B[fill] = pErrAvrgBlue/100.;
polarizationOfFill_Y[fill] = pAvrgYellow/100.;
polErrOfFill_Y[fill] = pErrAvrgYellow/100.;
}
double avgPolOfBinUp[binNumber];
double polOfBinSumUp[binNumber];
double avgPerrorOfBinUp[binNumber];
double pErrorOfBinUp[binNumber];
double avgPolOfBinDown[binNumber];
double polOfBinSumDown[binNumber];
double avgPerrorOfBinDown[binNumber];
double pErrorOfBinDown[binNumber];
for (int i=0; i<binNumber; i++)
{
avgPolOfBinUp[i] = 0;
polOfBinSumUp[i] = 0;
avgPerrorOfBinUp[i] = 0;
pErrorOfBinUp[i] = 0;
avgPolOfBinDown[i] = 0;
polOfBinSumDown[i] = 0;
avgPerrorOfBinDown[i] = 0;
pErrorOfBinDown[i] = 0;
}
// ======================================================================
//============================================================================
//START ANALYSIS==============================================================
//============================================================================
// ======================================================================
cout << pairTree->GetEntries() << endl;
cout << "\n";
cout << "<----STARTING ANALYSIS---->" << endl;
cout << "\n";
double blueFillNo;
double yellowFillNo;
int bin;
TLorentzVector sum;
TLorentzVector sumY;
TLorentzVector sumB;
TRandom3 r;
int totalPairsFinal = 0;
for (int iPair = 0; iPair < pairTree->GetEntries(); iPair++)
{
if (iPair%10000 == 0) {
cout << "processing pair number " << iPair << endl;
}
//cout << "processing pair number " << iPair << endl;
//if (iPair == 80000){break;}
pairTree->GetEntry(iPair);
if (pair1->withinRadius(0.05, 0.3))
{
bool triggerFired = false;
bool fromKaon = false;
StTriggerId trigId = pair1->triggerIds();
if (trigId.isTrigger(370601) || trigId.isTrigger(370611) || trigId.isTrigger(370621))
{
triggerFired = true;
}
if (trigId.isTrigger(370501) || trigId.isTrigger(370511) || trigId.isTrigger(370522) || trigId.isTrigger(370531))
{
triggerFired = true;
}
if (pair1->invarientMass() > .4921 && pair1->invarientMass() < .4990)
{
fromKaon = true;
}
if (triggerFired)
{
blueFillNo = pair1->runInfo().beamFillNumber(1); //1 = blue beam
yellowFillNo = pair1->runInfo().beamFillNumber(0); //0 = yellow beam
//cout << blueFillNo << " " << yellowFillNo << endl;
if (polarizationOfFill_B[blueFillNo] == 0 || polarizationOfFill_Y[yellowFillNo] == 0)
{
continue;
}
hInvarM->Fill(pair1->invarientMass());
TVector3 spinVec;
sum = pair1->piPlusLV() + pair1->piMinusLV();
sumB = sum; //blue beam.
//yellow beam must rotate around y axis by pi so the eta cut can be the same for both beams.
sumY = sum;
sumY.RotateY(PI);
double randomSpin = r.Uniform(0, 1);
int randomSpinBit;
if (randomSpin >=0 && randomSpin <0.25) {
randomSpinBit = 5;
}
if (randomSpin >=0.25 && randomSpin <0.5) {
randomSpinBit = 6;
}
if (randomSpin >=0.5 && randomSpin <0.75) {
randomSpinBit = 9;
}
if (randomSpin >=0.75 && randomSpin <1.0) {
randomSpinBit = 10;
}
//CHECK CUTS
if (sumB.Pt() > ptCutLo && sumB.Pt() < ptCutHi && sumB.M() > mCutLo && sumB.M() < mCutHi && sumB.Eta() > etaCutLo && sumB.Eta() < etaCutHi && useBlueBeam == true)
{
//BLUE BEAM SPIN UP: spin bin 9 and 10
if (pair1->spinBit() == 9 || pair1->spinBit() == 10)
{
bin = hNumberUp->FindBin(pair1->phiSR('b'));
//hNumberUp->Fill(pair1->phiSR('b'));
polOfBinSumUp[bin] += polarizationOfFill_B[blueFillNo];
pErrorOfBinUp[bin] += polErrOfFill_B[blueFillNo];
}
//BLUE BEAM SPIN DOWN: spin bin 5 and 6
if (pair1->spinBit() == 5 || pair1->spinBit() == 6)
{
bin = hNumberDown->FindBin(pair1->phiSR('b'));
hNumberDown->Fill(pair1->phiSR('b'));
polOfBinSumDown[bin] += polarizationOfFill_B[blueFillNo];
pErrorOfBinDown[bin] += polErrOfFill_B[blueFillNo];
}
}//end blue cuts
TVector3 Pa;
Pa.SetXYZ(0, 0, 1); //blue is unpolarized beam
TVector3 Pb;
Pb.SetXYZ(0, 0, -1); //yellow is polarized beam
if (sumY.Pt()>ptCutLo && sumY.Pt() < ptCutHi && sumY.M() > mCutLo && sumY.M() < mCutHi && sumY.Eta() > etaCutLo && sumY.Eta() < etaCutHi && useYellowBeam == true)
{
//YELLOW BEAM SPIN UP: spin bin 6 and 10
//if (pair1->spinBit() == 6 || pair1->spinBit() == 10)
if (randomSpinBit == 6 || randomSpinBit == 10)
{
totalPairsFinal++;
spinVec.SetXYZ(0, 1, 0);
TVector3 Ph = pair1->piPlusLV().Vect() + pair1->piMinusLV().Vect();
TVector3 Rh = pair1->piPlusLV().Vect() - pair1->piMinusLV().Vect();
double cosPhi_S = -Pb.Unit().Cross(Ph).Unit() * Pb.Unit().Cross(spinVec).Unit();
double cosPhi_R = Ph.Unit().Cross(Pb).Unit() * Ph.Unit().Cross(Rh).Unit();
double sinPhi_S = Ph.Cross(spinVec) * Pb.Unit() / (Pb.Unit().Cross(Ph).Mag() * Pb.Unit().Cross(spinVec).Mag());
double sinPhi_R = Pb.Cross(Rh) * Ph.Unit() / (Ph.Unit().Cross(Pb).Mag() * Ph.Unit().Cross(Rh).Mag());
double sinPhi_S_R = sinPhi_S*cosPhi_R - cosPhi_S*sinPhi_R;
double cosPhi_S_R = cosPhi_S*cosPhi_R + sinPhi_S*sinPhi_R;
double phi_S_R;
if (cosPhi_S_R >= 0)
{
phi_S_R = asin(sinPhi_S_R);
}
else if (cosPhi_S_R < 0)
{
if (sinPhi_S_R >= 0)
{
phi_S_R = TMath::Pi() - asin(sinPhi_S_R);
}
if (sinPhi_S_R < 0)
{
phi_S_R = -TMath::Pi() - asin(sinPhi_S_R);
}
}
//cout << "phisr = " << phi_S_R << endl;
bin = hNumberUp->FindBin(phi_S_R);
hNumberUp->Fill(phi_S_R);
polOfBinSumUp[bin] += polarizationOfFill_Y[yellowFillNo];
pErrorOfBinUp[bin] += polErrOfFill_Y[yellowFillNo];
}
//YELLOW BEAM SPIN DOWN: spin bit 5 and 9
if (randomSpinBit == 5 || randomSpinBit == 9)
{
totalPairsFinal++;
spinVec.SetXYZ(0, -1, 0);
TVector3 Ph = pair1->piPlusLV().Vect() + pair1->piMinusLV().Vect();
TVector3 Rh = pair1->piPlusLV().Vect() - pair1->piMinusLV().Vect();
double cosPhi_S = -Pb.Unit().Cross(Ph).Unit() * Pb.Unit().Cross(spinVec).Unit();
double cosPhi_R = Ph.Unit().Cross(Pa).Unit() * Ph.Unit().Cross(Rh).Unit();
double sinPhi_S = Ph.Cross(spinVec) * Pb.Unit() / (Pb.Unit().Cross(Ph).Mag() * Pb.Unit().Cross(spinVec).Mag());
double sinPhi_R = Pa.Cross(Rh) * Ph.Unit() / (Ph.Unit().Cross(Pa).Mag() * Ph.Unit().Cross(Rh).Mag());
double sinPhi_S_R = sinPhi_S*cosPhi_R - cosPhi_S*sinPhi_R;
double cosPhi_S_R = cosPhi_S*cosPhi_R + sinPhi_S*sinPhi_R;
double phi_S_R;
if (cosPhi_S_R >= 0)
{
phi_S_R = asin(sinPhi_S_R);
}
else if (cosPhi_S_R < 0)
{
if (sinPhi_S_R >= 0)
{
phi_S_R = TMath::Pi() - asin(sinPhi_S_R);
}
if (sinPhi_S_R < 0)
{
phi_S_R = -TMath::Pi() - asin(sinPhi_S_R);
}
}
// cout << "phisr = " << phi_S_R << endl;
bin = hNumberDown->FindBin(phi_S_R);
hNumberDown->Fill(phi_S_R);
polOfBinSumDown[bin] += polarizationOfFill_Y[yellowFillNo];
pErrorOfBinDown[bin] += polErrOfFill_Y[yellowFillNo];
}
}//end yellow cuts
}//end triger check
}//end radius check
}//end pairTree loop
//CALCULATE ASYMMETRY BIN BY BIN
cout << "\n";
cout << "<----CALCULATING ASYMMETRY---->" << endl;
cout << "\n";
//*
for (int ibin=1; ibin<=binNumber; ibin++)
{
if (ibin <= binNumber*0.5)
{
double nUp = hNumberUp->GetBinContent(ibin);
double nUpPi = hNumberUp->GetBinContent(ibin+binNumber*0.5);
double nDown = hNumberDown->GetBinContent(ibin);
double nDownPi = hNumberDown->GetBinContent(ibin+binNumber*0.5);
cout << nUp << " " << nUpPi << " " << nDown << " " << nDownPi << " " << endl;
int binIndexPi = ibin+binNumber*0.5;
double avgPolA = (polOfBinSumUp[ibin]+polOfBinSumDown[binIndexPi])/(nUp+nDownPi);
double avgPolB = (polOfBinSumUp[binIndexPi]+polOfBinSumDown[ibin])/(nUpPi+nDown);
double realAvgPol = (polOfBinSumUp[ibin]+polOfBinSumDown[binIndexPi]+polOfBinSumUp[binIndexPi]+polOfBinSumDown[ibin])/(nUp+nUpPi+nDown+nDownPi);
}
else
{
double nUp = hNumberUp->GetBinContent(ibin);
double nUpPi = hNumberUp->GetBinContent(ibin-binNumber*0.5);
double nDown = hNumberDown->GetBinContent(ibin);
double nDownPi = hNumberDown->GetBinContent(ibin-binNumber*0.5);
int binIndexPi = ibin-binNumber*0.5;
cout << nUp << " " << nUpPi << " " << nDown << " " << nDownPi << " " << endl;
double avgPolA = (polOfBinSumUp[ibin]+polOfBinSumDown[binIndexPi])/(nUp+nDownPi);
double avgPolB = (polOfBinSumUp[binIndexPi]+polOfBinSumDown[ibin])/(nUpPi+nDown);
double realAvgPol = (polOfBinSumUp[ibin]+polOfBinSumDown[binIndexPi]+polOfBinSumUp[binIndexPi]+polOfBinSumDown[ibin])/(nUp+nUpPi+nDown+nDownPi);
double realAvgPolE = (pErrorOfBinUp[ibin]+pErrorOfBinDown[binIndexPi]+pErrorOfBinUp[binIndexPi]+pErrorOfBinDown[ibin])/(nUp+nUpPi+nDown+nDownPi);
}
cout << avgPolA << " " << avgPolB << endl;
hDiff->SetBinContent(ibin, sqrt(nUp*nDownPi) - sqrt(nDown*nUpPi));
//hAut->SetBinContent(ibin, (1/avgPolA * sqrt(nUp*nDownPi) - 1/avgPolB * sqrt(nDown*nUpPi)) / (sqrt(nUp*nDownPi) + sqrt(nDown*nUpPi)) );
hAut->SetBinContent(ibin, 1/realAvgPol * (sqrt(nUp*nDownPi) - sqrt(nDown*nUpPi)) / (sqrt(nUp*nDownPi) + sqrt(nDown*nUpPi)) );
//error
if (realAvgPol*pow(sqrt(nUp*nDownPi)+sqrt(nDown*nUpPi), 2) != 0)
{
double a = sqrt(nUp*nDownPi);
double b = sqrt(nUpPi*nDown);
double firstTerm = realAvgPol**2 * (nUpPi*nDown*(nUp+nDownPi) + nDownPi*nUp*(nUpPi+nDown));
//double secondTerm = ((nUp*nDownPi)**2 +(nUpPi*nDown)**2 - 2*nUp*nDown*nUpPi*nDownPi)*realAvgPolE**2;
double secondTerm = 0;
double binError = 1/realAvgPol**2 * 1/(a+b)**2 * sqrt(firstTerm + secondTerm);
}
else
{
double binError = 0.01;
cout << "bin " << ibin << " Has problem with error" << endl;
}
hAut->SetBinError(ibin, binError);
}//end Asym calc
//*/
//DRAW HISTOGRAMS
hInvarM->Draw();
TCanvas* cNup = new TCanvas();
hNumberUp->Draw();
TCanvas* cNdown = new TCanvas();
hNumberDown->Draw();
TCanvas* cAut = new TCanvas();
cAut->SetName("cAut");
TF1* fitFunc = new TF1("fitFunc","[0]*sin(x)+[1]",-PI,PI);
//hAut->Fit("fitFunc","R");
hAut->Draw();
hAut->GetXaxis()->SetTitle("#phi_{S} - #phi_{R}");
char title[150];
sprintf(title, "%.1f < P_{T}^{#pi^{+}#pi^{-}} < %.1f %.1f < M_{inv}^{#pi^{+}#pi^{-}} < %.1f %.1f < #eta^{#pi^{+}#pi^{-}} < %.1f", ptCutLo, ptCutHi, mCutLo, mCutHi, etaCutLo, etaCutHi);
hAut->SetTitle(title);
//SAVE CANVAS
stringstream pt;
stringstream eta;
stringstream mass;
string part1 = "_ptBin";
string part2 = "_massBin";
string part3 = "_etaBin";
string ptBinStr;
string etaBinStr;
string massBinStr;
pt << ptBin;
eta << etaBin;
mass << massBin;
if (ptBin == 9) {
ptBinStr = "All";
}
else {
ptBinStr = pt.str();
}
if (massBin == 9) {
massBinStr = "All";
}
else {
massBinStr = mass.str();
}
if (etaBin == 9) {
etaBinStr = "All";
}
else {
etaBinStr = eta.str();
}
cout << "total pairs " << totalPairsFinal << endl;
string outFileName = "./resultsTesting/piover2issue"+part1+ptBinStr+part2+massBinStr+part3+etaBinStr+".root";
TFile* outFile = new TFile(outFileName.c_str(),"Recreate");
cout << "---WRITING FILE---" << endl;
//cAut->SaveAs(outFileName.c_str());
hAut->Write();
hNumberUp->Write();
hNumberDown->Write();
cout << "---END---" << endl;
}
void sqrtMethodSameSign(int ptBin, double ptCutLo, double ptCutHi, int massBin, double mCutLo, double mCutHi, int etaBin, double etaCutLo, double etaCutHi){
//OPTIONS AND CUTS------------
bool useBlueBeam = true;
bool useYellowBeam = true;
bool randomizeSpin = false;
double PI = 3.14159265359;
cout << "\n";
if (useBlueBeam && useYellowBeam){cout << "using both beams-----" << endl;}
if (useBlueBeam && !useYellowBeam){cout << "using blue beam------" << endl;}
if (!useBlueBeam && useYellowBeam){cout << "using yellow beam----" << endl;}
cout << "\n";
if (randomizeSpin){cout << "randomizing spin-----" << endl;}
//PION PAIR CUTS:
/*
double ptCutLo = 4;
double ptCutHi = 10;
double mCutLo = .4;
double mCutHi = 1;
double etaCutLo = -1.4;
double etaCutHi = 1.4;
//*/
//double phiCutLo = -.5;
//double phiCutHi = .5;
//----------------------------
//LOAD LIBS
cout << "\n";
gROOT->Macro("StRoot/LoadLibs.C");
gSystem->Load("sameSignPair");
cout << " loading of sameSignPair library done" << endl;
//SET UP INPUT FILE
TFile* infile = new TFile("/star/u/klandry/ucladisk/2012IFF/schedOut_samesign_4_14/allSameSign_4_14.root");
//SET UP TREE TO RECEIVE INPUT
sameSignPair* pair1 = new sameSignPair();
TTree* pairTree = infile->Get("sameSignTree");
pairTree->SetBranchAddress("sameSignPair", &pair1);
//SET UP HISTOGRAMS
//event variable histograms
TH1D* hInvarM = new TH1D("invarM","invarM",80,0,2);
TH1D* hEtaTot = new TH1D("etaTot","etaTot",60,-1.5,1.5);
TH1D* hPhiR = new TH1D("hPhiR","hPhiR",60,-4,4);
TH1D* hPhiS = new TH1D("hPhiS","hPhiS",60,-4,4);
TH1D* hPhiSR = new TH1D("hPhiSR","hPhiSR",60,-4,4);
TH1D* hTheta = new TH1D("hTheta","hTheta",30,-0.85,4);
TH1D* hCosTheta = new TH1D("hCosTheta","hCosTheta",80,-1,1);
TH1D* hZ = new TH1D("hZ","hZ",80,0,1);
TH1D* hPtot = new TH1D("hPtot","hPtot",80,0,20);
TH1D* hPtTOT = new TH1D("hPt","hPt",80,0,15);
//histos for asym analysis
double histMin = -PI;
double histMax = PI;
const int binNumber = 16;
TH1D * hNumberUp = new TH1D("hNumberUp","hNumberUp",binNumber,histMin,histMax);
TH1D * hNumberDown = new TH1D("hNumberDown","hNumberDown",binNumber,histMin,histMax);
TH1D * hDiff = new TH1D("hNumberSum","hNumberSum",binNumber,histMin,histMax);
TH1D * hAut = new TH1D("Aut","Aut",binNumber,histMin,histMax);
//BEAM POLARIZATION
ifstream polFile;
polFile.open("/star/u/klandry/ucladisk/2012IFF/BeamPolarization2012.txt");
map<int, double> polarizationOfFill_Y;
map<int, double> polErrOfFill_Y;
map<int, double> polarizationOfFill_B;
map<int, double> polErrOfFill_B;
int fill;
int beamE;
int startT;
string plusminus;
double pAvrgBlue;
double pErrAvrgBlue;
double pInitialBlue;
double pErrInitialBlue;
double dPdTBlue;
double dPdTErrBlue;
double pAvrgYellow;
double pErrAvrgYellow;
double pInitialYellow;
double pErrInitialYellow;
double dPdTYellow;
double dPdTErrYellow;
string header;
for (int i=0; i<19; i++){polFile >> header;}
while (!polFile.eof())
{
polFile >> fill;
polFile >> beamE;
polFile >> startT;
polFile >> pAvrgBlue;
polFile >> plusminus;
polFile >> pErrAvrgBlue;
polFile >> pInitialBlue;
polFile >> plusminus;
polFile >> pErrInitialBlue;
polFile >> dPdTBlue;
polFile >> plusminus;
polFile >> dPdTErrBlue;
polFile >> pAvrgYellow;
polFile >> plusminus;
polFile >> pErrAvrgYellow;
polFile >> pInitialYellow;
polFile >> plusminus;
polFile >> pErrInitialYellow;
polFile >> dPdTYellow;
polFile >> plusminus;
polFile >> dPdTErrYellow;
polarizationOfFill_B[fill] = pAvrgBlue/100.;
polErrOfFill_B[fill] = pErrAvrgBlue/100.;
polarizationOfFill_Y[fill] = pAvrgYellow/100.;
polErrOfFill_Y[fill] = pErrAvrgYellow/100.;
}
double avgPolOfBinUp[binNumber];
double polOfBinSumUp[binNumber];
double avgPerrorOfBinUp[binNumber];
double pErrorOfBinUp[binNumber];
double avgPolOfBinDown[binNumber];
double polOfBinSumDown[binNumber];
double avgPerrorOfBinDown[binNumber];
double pErrorOfBinDown[binNumber];
for (int i=0; i<binNumber; i++)
{
avgPolOfBinUp[i] = 0;
polOfBinSumUp[i] = 0;
avgPerrorOfBinUp[i] = 0;
pErrorOfBinUp[i] = 0;
avgPolOfBinDown[i] = 0;
polOfBinSumDown[i] = 0;
avgPerrorOfBinDown[i] = 0;
pErrorOfBinDown[i] = 0;
}
// ======================================================================
//============================================================================
//START ANALYSIS==============================================================
//============================================================================
// ======================================================================
cout << pairTree->GetEntries() << endl;
cout << "\n";
cout << "<----STARTING ANALYSIS---->" << endl;
cout << "\n";
double blueFillNo;
double yellowFillNo;
int bin;
TLorentzVector sum;
TLorentzVector sumY;
TLorentzVector sumB;
//random number for randomizing spin.
//set seed to zero to gaurenty unique numbers each time.
TRandom3 r;
r.SetSeed(0);
int rand5 = 0;
int rand6 = 0;
int rand9 = 0;
int rand10 = 0;
int totalPairsFinal = 0;
int blueD = 0;
int blueU = 0;
int yellowD = 0;
int yellowU = 0;
int pionStarNumber = 0;
for (int iPair = pionStarNumber; iPair < pairTree->GetEntries(); iPair++)
{
if (iPair%10000 == 0) {cout << "processing pair number " << iPair << endl;}
//if (iPair == pionStarNumber+2000000){break;}
pairTree->GetEntry(iPair);
if (pair1->withinRadius(0.05, 0.3))
{
bool triggerFired = false;
bool fromKaon = false;
StTriggerId trigId = pair1->triggerIds();
//JP0,JP1,JP2,AJP
if (trigId.isTrigger(370601) || trigId.isTrigger(370611) || trigId.isTrigger(370621) || trigId.isTrigger(370641))
{
triggerFired = true;
}
//BHT0VPD,BHT1VPD,BHT2BBC,BHT2
if (trigId.isTrigger(370501) || trigId.isTrigger(370511) || trigId.isTrigger(370522) || trigId.isTrigger(370531))
{
triggerFired = true;
}
if (pair1->invarientMass() > .4921 && pair1->invarientMass() < .4990)
{
fromKaon = true;
}
if (triggerFired)
{
blueFillNo = pair1->runInfo().beamFillNumber(1); //1 = blue beam
yellowFillNo = pair1->runInfo().beamFillNumber(0); //0 = yellow beam
//cout << blueFillNo << " " << yellowFillNo << endl;
if (polarizationOfFill_B[blueFillNo] == 0 || polarizationOfFill_Y[yellowFillNo] == 0) //0 is gap
{
continue;
}
hInvarM->Fill(pair1->invarientMass());
sum = pair1->pion1LV() + pair1->pion2LV();
sumB = sum; //blue beam.
//yellow beam must rotate around y axis by pi so the eta cut can be the same for both beams.
sumY = sum;
sumY.RotateY(PI);
//cout << pair1->phiS('y')-pair1->phiR('y') << " " << pair1->phiSR('y') << endl;
//option for randomizing spin
if (randomizeSpin)
{
int origSpinBit = pair1->spinBit();
double randomSpin = r.Uniform(0, 1);
int randomSpinBit;
if (randomSpin >=0 && randomSpin <0.25) {randomSpinBit = 5; rand5++;}
if (randomSpin >=0.25 && randomSpin <0.5){randomSpinBit = 6; rand6++;}
if (randomSpin >=0.5 && randomSpin <0.75){randomSpinBit = 9; rand9++;}
if (randomSpin >=0.75 && randomSpin <1.0){randomSpinBit = 10; rand10++;}
pair1->setSpinBit(randomSpinBit);
}
//cout << pair1->sinPhiSR('b') << " " << pair1->cosPhiSR('b') << " " << pair1->phiSR('b') << endl;
//MANUALLY ALTER ANGLES FOR TESTING-----
/*
double testPhiS_y = -pair1->phiS('y');
double testPhiR_y = pair1->phiR('y');
double testPhiS_b = -pair1->phiS('b');
double testPhiR_b = pair1->phiR('b');
double testPhiSR_y = testPhiS_y - testPhiR_y;
double testPhiSR_b = testPhiS_b - testPhiR_b;
//cout << testPhiS_b << " " << testPhiR_b << " " << testPhiS_y << " " << testPhiR_y << endl;
if (testPhiSR_y > PI)
{
testPhiSR_y -= 2*PI;
}
if (testPhiSR_y < -PI)
{
testPhiSR_y += 2*PI;
}
if (testPhiSR_b > PI)
{
testPhiSR_b -= 2*PI;
}
if (testPhiSR_b < -PI)
{
testPhiSR_b += 2*PI;
}
//cout << testPhiSR_b << " " << testPhiSR_y << endl;
//*/
//CHECK CUTS
if (sumB.Pt() > ptCutLo && sumB.Pt() < ptCutHi && sumB.M() > mCutLo && sumB.M() < mCutHi && sumB.Eta() > etaCutLo && sumB.Eta() < etaCutHi && useBlueBeam == true)
{
//BLUE BEAM SPIN UP: spin bin 9 and 10
if (pair1->spinBit() == 9 || pair1->spinBit() == 10)
{
blueU++;
//make sure to set it back if you randomized it for up/down.
//still need origional spin bit to calc anlge.
if (randomizeSpin){pair1->setSpinBit(origSpinBit);}
bin = hNumberUp->FindBin(pair1->phiSR('b'));
hNumberUp->Fill(pair1->phiSR('b'));
//bin = hNumberUp->FindBin(testPhiSR_b);
//hNumberUp->Fill(testPhiSR_b);
polOfBinSumUp[bin] += polarizationOfFill_B[blueFillNo];
pErrorOfBinUp[bin] += polErrOfFill_B[blueFillNo];
//If rondomized spin, have to set the spin bit back to random
//for next spin bit check
if (randomizeSpin){pair1->setSpinBit(randomSpinBit);}
}
//BLUE BEAM SPIN DOWN: spin bin 5 and 6
if (pair1->spinBit() == 5 || pair1->spinBit() == 6)
{
blueD++;
if (randomizeSpin){pair1->setSpinBit(origSpinBit);}
bin = hNumberDown->FindBin(pair1->phiSR('b'));
hNumberDown->Fill(pair1->phiSR('b'));
//bin = hNumberDown->FindBin(testPhiSR_b);
//hNumberDown->Fill(testPhiSR_b);
polOfBinSumDown[bin] += polarizationOfFill_B[blueFillNo];
pErrorOfBinDown[bin] += polErrOfFill_B[blueFillNo];
if (randomizeSpin){pair1->setSpinBit(randomSpinBit);}
}
}//end blue cuts
if (sumY.Pt()>ptCutLo && sumY.Pt() < ptCutHi && sumY.M() > mCutLo && sumY.M() < mCutHi && sumY.Eta() > etaCutLo && sumY.Eta() < etaCutHi && useYellowBeam == true)
{
//YELLOW BEAM SPIN UP: spin bin 6 and 10
if (pair1->spinBit() == 6 || pair1->spinBit() == 10)
{
yellowU++;
if (randomizeSpin){pair1->setSpinBit(origSpinBit);}
bin = hNumberUp->FindBin(pair1->phiSR('y'));
hNumberUp->Fill(pair1->phiSR('y'));
//bin = hNumberUp->FindBin(testPhiSR_y);
//hNumberUp->Fill(testPhiSR_y);
polOfBinSumUp[bin] += polarizationOfFill_Y[yellowFillNo];
pErrorOfBinUp[bin] += polErrOfFill_Y[yellowFillNo];
if (randomizeSpin){pair1->setSpinBit(randomSpinBit);}
}
//YELLOW BEAM SPIN DOWN: spin bit 5 and 9
if (pair1->spinBit() == 5 || pair1->spinBit() == 9)
{
yellowD++;
if (randomizeSpin){pair1->setSpinBit(origSpinBit);}
bin = hNumberDown->FindBin(pair1->phiSR('y'));
hNumberDown->Fill(pair1->phiSR('y'));
//bin = hNumberDown->FindBin(testPhiSR_y);
//hNumberDown->Fill(testPhiSR_y);
polOfBinSumDown[bin] += polarizationOfFill_Y[yellowFillNo];
pErrorOfBinDown[bin] += polErrOfFill_Y[yellowFillNo];
if (randomizeSpin){pair1->setSpinBit(randomSpinBit);}
}
}//end yellow cuts
}//end triger check
}//end radius check
}//end pairTree loop
//CALCULATE ASYMMETRY BIN BY BIN
cout << "\n";
cout << "<----CALCULATING ASYMMETRY---->" << endl;
cout << "\n";
for (int ibin=1; ibin<=binNumber; ibin++)
{
if (ibin <= binNumber*0.5)
{
double nUp = hNumberUp->GetBinContent(ibin);
double nUpPi = hNumberUp->GetBinContent(ibin+binNumber*0.5);
double nDown = hNumberDown->GetBinContent(ibin);
double nDownPi = hNumberDown->GetBinContent(ibin+binNumber*0.5);
int binIndexPi = ibin+binNumber*0.5;
double avgPolA = (polOfBinSumUp[ibin]+polOfBinSumDown[binIndexPi])/(nUp+nDownPi);
double avgPolB = (polOfBinSumUp[binIndexPi]+polOfBinSumDown[ibin])/(nUpPi+nDown);
double realAvgPol = (polOfBinSumUp[ibin]+polOfBinSumDown[binIndexPi]+polOfBinSumUp[binIndexPi]+polOfBinSumDown[ibin])/(nUp+nUpPi+nDown+nDownPi);
}
else
{
double nUp = hNumberUp->GetBinContent(ibin);
double nUpPi = hNumberUp->GetBinContent(ibin-binNumber*0.5);
double nDown = hNumberDown->GetBinContent(ibin);
double nDownPi = hNumberDown->GetBinContent(ibin-binNumber*0.5);
int binIndexPi = ibin-binNumber*0.5;
double avgPolA = (polOfBinSumUp[ibin]+polOfBinSumDown[binIndexPi])/(nUp+nDownPi);
double avgPolB = (polOfBinSumUp[binIndexPi]+polOfBinSumDown[ibin])/(nUpPi+nDown);
double realAvgPol = (polOfBinSumUp[ibin]+polOfBinSumDown[binIndexPi]+polOfBinSumUp[binIndexPi]+polOfBinSumDown[ibin])/(nUp+nUpPi+nDown+nDownPi);
double realAvgPolE = (pErrorOfBinUp[ibin]+pErrorOfBinDown[binIndexPi]+pErrorOfBinUp[binIndexPi]+pErrorOfBinDown[ibin])/(nUp+nUpPi+nDown+nDownPi);
}
cout << avgPolA << " " << avgPolB << endl;
hDiff->SetBinContent(ibin, sqrt(nUp*nDownPi) - sqrt(nDown*nUpPi));
//hAut->SetBinContent(ibin, (1/avgPolA * sqrt(nUp*nDownPi) - 1/avgPolB * sqrt(nDown*nUpPi)) / (sqrt(nUp*nDownPi) + sqrt(nDown*nUpPi)) );
hAut->SetBinContent(ibin, 1/realAvgPol * (sqrt(nUp*nDownPi) - sqrt(nDown*nUpPi)) / (sqrt(nUp*nDownPi) + sqrt(nDown*nUpPi)) );
//error
if (realAvgPol*pow(sqrt(nUp*nDownPi)+sqrt(nDown*nUpPi), 2) != 0)
{
double a = sqrt(nUp*nDownPi);
double b = sqrt(nUpPi*nDown);
double firstTerm = realAvgPol**2 * (nUpPi*nDown*(nUp+nDownPi) + nDownPi*nUp*(nUpPi+nDown));
//double secondTerm = ((nUp*nDownPi)**2 +(nUpPi*nDown)**2 - 2*nUp*nDown*nUpPi*nDownPi)*realAvgPolE**2;
double secondTerm = 0;
double binError = 1/realAvgPol**2 * 1/(a+b)**2 * sqrt(firstTerm + secondTerm);
}
else
{
double binError = 0.01;
cout << "bin " << ibin << " Has problem with error" << endl;
}
hAut->SetBinError(ibin, binError);
}//end Asym calc
//DRAW HISTOGRAMS
hInvarM->Draw();
TCanvas* cNup = new TCanvas();
hNumberUp->Draw();
TCanvas* cNdown = new TCanvas();
hNumberDown->Draw();
TCanvas* cAut = new TCanvas();
cAut->SetName("cAut");
TF1* fitFunc = new TF1("fitFunc","[0]*cos(x)+[1]",-PI,PI);
hAut->Fit("fitFunc","R");
hAut->Draw();
hAut->GetXaxis()->SetTitle("#phi_{S} - #phi_{R}");
char title[150];
sprintf(title, "%.1f < P_{T}^{#pi^{1}#pi^{2}} < %.1f %.1f < M_{inv}^{#pi^{1}#pi^{2}} < %.1f %.1f < #eta^{#pi^{1}#pi^{2}} < %.1f", ptCutLo, ptCutHi, mCutLo, mCutHi, etaCutLo, etaCutHi);
hAut->SetTitle(title);
cout << "Asym = " << hAut->GetFunction("fitFunc")->GetParameter(0) << endl;
cout << "error = " << hAut->GetFunction("fitFunc")->GetParError(0) << endl;
cout << "chi2 = " << hAut->GetFunction("fitFunc")->GetChisquare() << endl;
cout << "Nup = " << hNumberUp->GetEntries() << endl;
cout << "Ndown = " << hNumberDown->GetEntries() << endl;
cout << "ran5 = " << rand5 << endl;
cout << "ran6 = " << rand6 << endl;
cout << "ran9 = " << rand9 << endl;
cout << "ran10 = " << rand10 << endl;
cout << "blueU = " << blueU << endl;
cout << "blueD = " << blueD << endl;
cout << "yellowU = " << yellowU << endl;
cout << "yellowD = " << yellowD << endl;
//SAVE CANVAS
stringstream pt;
stringstream eta;
stringstream mass;
string part1 = "_ptBin";
string part2 = "_massBin";
string part3 = "_etaBin";
string ptBinStr;
string etaBinStr;
string massBinStr;
pt << ptBin;
eta << etaBin;
mass << massBin;
if (ptBin == 9){ptBinStr = "All";}
else{ ptBinStr = pt.str();}
if (massBin == 9){massBinStr = "All";}
else{ massBinStr = mass.str();}
if (etaBin == 9){etaBinStr = "All";}
else{ etaBinStr = eta.str();}
cout << "total pairs " << totalPairsFinal << endl;
stringstream pionNum;
pionNum << pionStarNumber;
string pionNumStr = pionNum.str();
string outFileName = "./results_samesign_4_14/sameSign"+part1+ptBinStr+part2+massBinStr+part3+etaBinStr+".root";
TFile* outFile = new TFile(outFileName.c_str(),"Recreate");
cout << "---WRITING FILE---" << endl;
//cAut->SaveAs(outFileName.c_str());
hAut->Write();
hNumberUp->Write();
hNumberDown->Write();
cout << "---END---" << endl;
}
