TGraph* autogain152(TH1 *hist) {
hist->GetXaxis()->SetRangeUser(200.,16000.);
TSpectrum *s = new TSpectrum();
Int_t nfound = s->Search(hist,6,"",0.08); //This will be dependent on the source used.
printf("Found %d candidate peaks to fit\n",nfound);
if(nfound > 6)
nfound = 6;
std::vector<float> vec;
for(int x=0;x<nfound;x++)
vec.push_back(s->GetPositionX()[x]);
std::sort(vec.begin(),vec.end());
Float_t energies[] = {121.7830, 244.6920, 344.276, 778.903, 964.131, 1408.011};
TGraph* slopefit = new TGraph(nfound, &(vec[0]), energies);
printf("Now fitting: Be patient\n");
slopefit->Fit("pol1");
if(slopefit->GetFunction("pol1")->GetChisquare() > 10.) {
slopefit->RemovePoint(slopefit->GetN()-1);
slopefit->Fit("pol1");
}
TChannel *chan = 0;
slopefit->Draw("AC*");
return slopefit;
}
Double_t beta2_for_5sigma(const Int_t fNPts, const Double_t fRangeMin, const Double_t fRangeMax, const Double_t fN_sig_100, const Double_t fN_bkg_100, const Double_t fSigma_N_bkg, const string& fTitle)
{
Double_t x[fNPts], y[fNPts];
Double_t step = (fRangeMax - fRangeMin)/(fNPts-1);
for (Int_t i = 0; i < fNPts; i++) {
x[i] = fRangeMin + step*i;
y[i] = ScP(x[i], fN_sig_100, fN_bkg_100, fSigma_N_bkg);
}
TCanvas *c_temp = new TCanvas("c_temp","",1120,800);
c_temp->cd();
string title = fTitle + ";#beta^{2};S_{cP}";
TH2F *bg_temp = new TH2F("bg_temp",title.c_str(), 100, fRangeMin, fRangeMax, 100, 0.8*y[0], 1.2*y[fNPts-1]);
bg_temp->SetStats(kFALSE);
bg_temp->SetTitleOffset(1.,"X");
bg_temp->SetTitleOffset(1.,"Y");
bg_temp->Draw();
TGraph *scP = new TGraph(fNPts, x, y);
scP->SetMarkerSize(1.);
scP->SetMarkerStyle(24);
scP->SetMarkerColor(kRed);
scP->Draw("P");
scP->Fit("pol2");
TF1 *fit = (TF1*)scP->GetFunction("pol2");
Double_t beta2 = fit->GetX(5);
Double_t N_sig = beta2*fN_sig_100;
Double_t N_s_b = N_sig + fN_bkg_100;
cout<<">> beta2 for 5 sigma discovery for "<<fTitle<<" = "<<beta2<<"\n";
cout<<">> ** N_sig = "<<N_sig<<"\n";
cout<<">> ** N_bkg = "<<fN_bkg_100<<"\n";
cout<<">> ** N_s_b = "<<N_s_b<<"\n";
if(fSigma_N_bkg != 0) c_temp->SaveAs((fTitle + "_significance_beta_sys.png").c_str());
else c_temp->SaveAs((fTitle + "_significance_beta.png").c_str());
delete scP;
delete bg_temp;
delete c_temp;
return beta2;
}
/// used in display_beamprofile() : not working !
void getEllipseParameters(const float * x_data, const float * y_data, const unsigned int N, float& x_width, float& y_width, float& angle) {
// In order to fit a good ellipse on the scattered plot :
// 1) The TH2 is copied into a TGraph, to fit it with y(x) = ax => to retrieve the angle
// 2) Rotation of the Graph to get the RMS in X and Y
// 3) Creation of the final ellipse, with the good widths and angle
TCanvas * ca0 = new TCanvas;
ca0->Divide(2,1);
ca0->cd(1);
TGraph * draft = new TGraph(N,x_data,y_data);
draft->Draw("AP");
draft->Fit("pol1","Q");
TF1 * pol1 = draft->GetFunction("pol1");
pol1->Draw("same");
// gets the angle [rad]
angle = asin(1.) - atan(pol1->GetParameter(1));
double x_datarot[N], y_datarot[N];
for (unsigned int i=0; i<N; i++) {
x_datarot[i]= x_data[i]*cos(angle) - y_data[i]*sin(angle);
y_datarot[i]= x_data[i]*sin(angle) + y_data[i]*cos(angle);
}
ca0->cd(2);
TGraph * draft2 = new TGraph(N,x_datarot,y_datarot);
draft2->Draw("AP");
x_width = draft2->GetRMS(1);
y_width = draft2->GetRMS(2);
angle = 180-90*angle/asin(1.);
// draft->Draw("AP");
ca0->cd(1);
TEllipse * ell = new TEllipse(draft->GetMean(1),draft2->GetMean(2),x_width*3,y_width*3);
ell->SetTheta(angle);
ell->Draw("same");
//cout << "x = " << x_width << "\t y = " << y_width << "\t angle = " << angle << endl;
// delete draft2;
// delete draft;
// delete ca0;
return;
}
void DoFit(TH2 *hist) {
TChannel::DeleteAllChannels();
TChannel::ReadCalFile("GrifCal.cal");
printf("made %i channels.\n",TChannel::GetNumberOfChannels());
TNucleus nuc("152eu");
for(int x = 1; x <= 64; ++x) {
printf(" x = %i\n",x);
TH1 *p = GetProjectionY(hist,x);
if(p->GetEntries() < 100)
continue;
TGraph* graph = autogain(p,&nuc);
TChannel *chan = TChannel::GetChannelByNumber(x);
if(!chan)
continue;
chan->DestroyCalibrations();
chan->AddENGCoefficient(graph->GetFunction("pol1")->GetParameter(0));
chan->AddENGCoefficient(graph->GetFunction("pol1")->GetParameter(1));
chan->SetIntegration(125);
}
TChannel::WriteCalFile("NewGrifCal.cal");
}
TF1 *GausBF::Bfit(TGraph *gr)
{
TF1 *func = new TF1("func", FB(), -200, 200);
gr->Fit("gaus", "q0");
TF1 *fg0 = gr->GetFunction("gaus");
Int_t ip = 3;
for (Int_t i = 0; i < 3; i++) func->SetParameter(i, fg0->GetParameter(i));
TGraph gd;
TGraph gm;
Double_t min = 0, max = 0;
Double_t xmn = gr->GetY()[0];
Double_t xmx = gr->GetY()[0];
Double_t xb = gr->GetX()[0];
Double_t db = 0;
Double_t mmin = 0.002;
for (Int_t i = 0; i < gr->GetN(); i++) {
Double_t x = gr->GetX()[i];
Double_t y = gr->GetY()[i];
Double_t d = y-func->Eval(x);
gd.SetPoint(i, x, d);
gm.SetPoint(i, x, -d);
if (db*d < 0) {
if ((d > 0 && min < -mmin) || (d < 0 && max > mmin)) {
Double_t xm = (d > 0) ? xmn : xmx;
Double_t w1 = x-xm;
Double_t w2 = xm-xb;
Double_t w = (w1 > w2) ? w2 : w1;
Double_t par[3];
if (d < 0) {
gd.Fit("gaus", "q0", "", xm-w, xm+w);
TF1 *fg = gd.GetFunction("gaus");
for (Int_t j = 0; j < 3; j++) par[j] = fg->GetParameter(j);
}
else {
gm.Fit("gaus", "q0", "", xm-w, xm+w);
TF1 *fg = gm.GetFunction("gaus");
for (Int_t j = 0; j < 3; j++) par[j] = fg->GetParameter(j);
par[0] = -par[0];
}
for (Int_t j = 0; j < 3; j++) func->SetParameter(ip+j, par[j]);
ip += 3;
}
xb = x;
if (d < 0) min = 0;
if (d > 0) max = 0;
}
db = d;
if (d < min) { min = d; xmn = x; }
if (d > max) { max = d; xmx = x; }
}
for (Int_t i = ip; i < Np; i++) func->FixParameter(i, (i%3 == 2) ? 1 : 0);
gr->Fit(func, "q0");
return func;
}
int AngOptimize()
{
ifstream infile("angSNR.dat");
ofstream outfile("OptAng.dat",ios::app);
istringstream iss;
char line[1000];
cout<<"aaaaaaaa"<<endl;
const int nene=21;
const int nep = 28;
double epn[nene][nep];
double sigN[nene][nep];
double bckN[nene][nep];
double snr[nene][nep];
int iene=-1;
int iep=-1;
double enes[nene];
double opteps[nene];
char title[nene][1000];
TF1 *fit = new TF1("fit","[0]*(x-[2])+[1]/(x-[2])+[3]",178,179.6);
fit->SetParameter(0,1.5);
fit->SetParameter(1,1);
fit->SetParameter(2,180);
fit->SetParLimits(2,180,180)
fit->SetParameter(3,40);
bool start=0;
if (!infile.is_open()) return -1;
while (!infile.eof()){
//cout<<"b"<<endl;
infile.getline(line,1000);
if (line[0]!='K')
{
if (!start) continue;
if (line[0]=='#' || line[0]==' ') continue;
}
else {
iep=-1; start=1;
iene++;
if (iene>=21) break;
string tit;
iss.clear();
iss.str(line);
iss >> tit;
std::cout<<tit<<endl;
sprintf(title[iene],"%s",tit.c_str());
continue;
}
iep++;
//cout<<line<<endl;
iss.clear();
iss.str(line);
double ratio,signal,background;
iss >> ratio >> signal >> background; // 3 sigma
//iss >> signal >> background; // 5 sigma
epn[iene][iep] = ratio;
sigN[iene][iep] = signal;
bckN[iene][iep] = background;
if (sigN[iene][iep]==0) snr[iene][iep] = 0;
else snr[iene][iep] = sigN[iene][iep]/sqrt(sigN[iene][iep]+bckN[iene][iep]);
//cout<< epn[iene][i]<<sigN[iene][i]<<bckN[iene][i]<<endl;
}
for (iene=0;iene<nene;iene++){
TGraph *graph = new TGraph(nep,epn[iene],snr[iene]);
graph->SetTitle(title[iene]);
graph->SetMarkerStyle(25);
graph->GetYaxis()->SetTitle("S/#sqrt{S+N}");
graph->GetXaxis()->SetTitle("#theta");
TCanvas *ca1 = new TCanvas(title[iene], title[iene]);
graph->Draw("AP");
//graph->Fit("pol4","","",178,179.9);
////////TF1 *fpol2 = graph->GetFunction("pol2");
////////fit->SetParameter(0,fpol2->GetParameter(0));
////////fit->SetParameter(1,fpol2->GetParameter(1));
////////fit->SetParameter(2,fpol2->GetParameter(2));
//graph->Fit(fit,"","",178,179.6);
graph->Fit(fit,"","",172.0+iene*6.0/21.0,179.9);
double optep = fit->GetMaximumX(176,179.6);
outfile<<"Optmized theta at "<< title[iene] << " is "<<optep<<std::endl;
enes[iene] = atof(&title[iene][3])/10000.;
opteps[iene] = optep;
char ofname[1000];
sprintf(ofname,"output/Angopt_%s.pdf",title[iene]);
ca1->Print(ofname);
}
TGraph* gep = new TGraph(iene,enes,opteps);
gep->SetTitle("Optimized #theta");
gep->SetMarkerStyle(25);
gep->GetYaxis()->SetTitle("S/#sqrt{S+N}");
gep->GetXaxis()->SetTitle("#theta");
TCanvas *ca1 = new TCanvas("gep","Optimized #theta");
gep->Draw("AP");
gep->Fit("pol1");
ca1->Print("output/Angopt.pdf");
double c0 = gep->GetFunction("pol1")->GetParameter(0);
double c1 = gep->GetFunction("pol1")->GetParameter(1);
//double c2 = gep->GetFunction("pol2")->GetParameter(2);
outfile << "Theta = "<< c0 << " + " << c1 << "*x + " <<std::endl;
std::cout << "Theta = "<< c0 << " + " << c1 << "*x + "<<std::endl;
return 0;
}
void Plotting()
{
TH1::AddDirectory(kFALSE);
gStyle->SetCanvasDefH(600);
gStyle->SetCanvasDefW(600);
gROOT->SetStyle("Plain");
gStyle->SetPalette(1);
gStyle->SetFrameBorderMode(0);
gStyle->SetFrameFillColor(0);
gStyle->SetCanvasColor(0);
gStyle->SetTitleFillColor(0);
gStyle->SetStatColor(0);
gStyle->SetPadBorderSize(0);
gStyle->SetCanvasBorderSize(0);
gStyle->SetOptTitle(0); // at least most of the time
gStyle->SetOptStat("nemr"); // most of the time, sometimes "nemriou" might be useful to display name,
//number of entries, mean, rms, integral, overflow and underflow
gStyle->SetOptFit(0); // set to 1 only if you want to display fit results
//=================================== Histo for all cut variables ==========================================
using namespace RooFit;
using namespace RooStats;
void setWSRange(RooWorkspace *ws);
void defineMassBkg(RooWorkspace *ws);
void defineMassSig(RooWorkspace *ws);
double RError(double,double,double,double);
double WeightRatioError(double,double,double,double);
bool is3D =1;
bool significance = 0;
bool isHI=0;
bool Prompt = 0;
bool nonPrompt = 1;
bool savePlot=0;
bool Binning =0;
bool ctauFit = 1;
float ptmin=3.0; float ptmax=30.0; float ymin=1.6; float ymax=2.4; bool absRapidity=true;
double threshold=0.8; double efficiency=0.9; int centmin=0; int centmax=200;
ymin=1.6; ymax=2.4; ptmin=3.0; ptmax=30.0;
//ymin=1.6; ymax=2.4; ptmin=3.0; ptmax=6.5;
//ymin=1.6; ymax=2.4; ptmin=6.5; ptmax=12.0;
//ymin=1.6; ymax=2.4; ptmin=12.0; ptmax=30.0;
//ymin=0.0; ymax=1.6; ptmin=6.5; ptmax=30.0;
//ymin=0.0; ymax=1.6; ptmin=6.5; ptmax=9.0;
//ymin=0.0; ymax=1.6; ptmin=9.0; ptmax=12.0;
//ymin=0.0; ymax=1.6; ptmin=12.0; ptmax=15.0;
//ymin=0.0; ymax=1.6; ptmin=15.0; ptmax=20.0;
//ymin=0.0; ymax=1.6; ptmin=20.0; ptmax=30.0;
int range1 = 0; int fbin = 0;
int range2 = 0; int lbin = 0;
float xVal = 0.0;
if(significance){
range1 = -10;
range2 = 50;
fbin = -10; lbin = 50;
xVal = 11.0;
}else{
range1 = -1;
range2 = 3;
fbin = -5; lbin = 10;
xVal = 0.5;
}
float lCut=-10.0;
TLegend *leg = new TLegend(0.38,0.5,0.87,0.75);
if (isHI)
leg->SetHeader("PYTHIA: PbPb #sqrt{s_{NN}} = 5.02 TeV");
else
leg->SetHeader("PYTHIA: pp #sqrt{s} = 5.02 TeV");
leg->SetFillStyle(0);
leg->SetFillColor(0);
leg->SetBorderSize(0);
leg->SetMargin(0.15);
leg->SetTextSize(0.032);
leg->SetTextColor(2);
TCut defaultCut = NULL;
// TCut defaultCut = "Reco_QQ_sign==0&&Gen_QQ_4mom.M()>3.09&&Gen_QQ_4mom.M()<3.10&&Reco_QQ_4mom.M()>2.9&&Reco_QQ_4mom.M()<3.2&&Reco_QQ_ctauTrue>-10";
defaultCut = "Reco_QQ_sign==0&&Reco_QQ_4mom.M()>2.9&&Reco_QQ_4mom.M()<3.2&&Reco_QQ_ctau>-500&&Reco_QQ_ctauTrue>-10";
if(significance)
defaultCut = "Reco_QQ_sign==0&&Reco_QQ_4mom.M()>2.85&&Reco_QQ_4mom.M()<3.25&&Reco_QQ_ctau>-500&&Reco_QQ_ctauErr>-500&&Reco_QQ_ctauTrue>-10";
if(is3D){
defaultCut = "Reco_QQ_sign==0&&Reco_QQ_4mom.M()>2.85&&Reco_QQ_4mom.M()<3.25&&Reco_QQ_ctau3D>-500&&Reco_QQ_ctauTrue3D>-10";
if(significance)
defaultCut = "Reco_QQ_sign==0&&Reco_QQ_4mom.M()>2.85&&Reco_QQ_4mom.M()<3.25&&Reco_QQ_ctau3D>-500&&Reco_QQ_ctauErr3D>-500&&Reco_QQ_ctauTrue3D>-10";
}
TCut ptCut = Form("Reco_QQ_4mom.Pt()>%3.1f&&Reco_QQ_4mom.Pt()<%3.1f",ptmin,ptmax);
TCut rapCut;
if (absRapidity)
rapCut = Form("abs(Reco_QQ_4mom.Rapidity())>%3.1f&&abs(Reco_QQ_4mom.Rapidity())<%3.1f",ymin,ymax);
else
rapCut = Form("Reco_QQ_4mom.Rapidity()>%3.1f&&Reco_QQ_4mom.Rapidity()<%3.1f",ymin,ymax);
TCut centCut;
if (isHI)
centCut = Form("Centrality>=%d&&Centrality<%d",centmin,centmax);
// new Acceptance
TCut IsPlAccept = "(abs(Reco_QQ_mupl_4mom->Eta()) < 2.4 && ( (abs(Reco_QQ_mupl_4mom->Eta()) < 1.2 && Reco_QQ_mupl_4mom->Pt() >= 3.5 ) || (1.2 <= abs(Reco_QQ_mupl_4mom->Eta()) && abs(Reco_QQ_mupl_4mom->Eta()) < 2.1 && Reco_QQ_mupl_4mom->Pt() >= 5.77-1.89*abs(Reco_QQ_mupl_4mom->Eta() )) || (2.1 <= abs(Reco_QQ_mupl_4mom->Eta()) && Reco_QQ_mupl_4mom->Pt() >= 1.8 )))";
TCut IsMiAccept = "(abs(Reco_QQ_mumi_4mom->Eta()) < 2.4 && ( (abs(Reco_QQ_mumi_4mom->Eta()) < 1.2 && Reco_QQ_mumi_4mom->Pt() >= 3.5 ) || (1.2 <= abs(Reco_QQ_mumi_4mom->Eta()) && abs(Reco_QQ_mumi_4mom->Eta()) < 2.1 && Reco_QQ_mumi_4mom->Pt() >= 5.77-1.89*abs(Reco_QQ_mumi_4mom->Eta() )) || (2.1 <= abs(Reco_QQ_mumi_4mom->Eta()) && Reco_QQ_mumi_4mom->Pt() >= 1.8 )))";
TCut MuPlID = "((Reco_QQ_mupl_isGoodMuon==1) && Reco_QQ_mupl_nTrkWMea> 5 && Reco_QQ_mupl_nPixWMea > 0 && TMath::Abs(Reco_QQ_mupl_dxy) < 0.3 && TMath::Abs(Reco_QQ_mupl_dz) < 20 && Reco_QQ_VtxProb > 0.01 )";
TCut MuMiID = "((Reco_QQ_mumi_isGoodMuon==1) && Reco_QQ_mumi_nTrkWMea> 5 && Reco_QQ_mumi_nPixWMea > 0 && TMath::Abs(Reco_QQ_mumi_dxy) < 0.3 && TMath::Abs(Reco_QQ_mumi_dz) < 20 && Reco_QQ_VtxProb > 0.01 )";
unsigned int trigBit;
if (isHI)
trigBit=1; // DoubleMu0_HighQ
else
trigBit=1; // DoubleMu0_HighQ
TCut trigCut = Form("(HLTriggers&%u)==%u&&(Reco_QQ_trig&%u)==%u",trigBit,trigBit,trigBit,trigBit);
TString fname;
TString fnamepng;
TString outfname;
TString plotDir;
if(!is3D){plotDir = "Plots/2015";}
if(!is3D && significance){plotDir = "Plots/2015/significance";}
if(is3D){plotDir = "Plots/2015/3D";}
if(is3D && Binning){plotDir = "Plots/2015/3D/Binning";}
if(is3D && ctauFit){plotDir = "Plots/2015/3D/ctauFit";}
if(is3D && significance){plotDir = "Plots/2015/3D/significance";}
if (isHI) {
if(Prompt){
fname = Form("/Jpsi_PbPb_XcheckEff_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f_Cent_%d-%d.pdf",efficiency,ymin,ymax,ptmin,ptmax,int(centmin/2.0),int(centmax/2.0));
fnamepng = Form("/Jpsi_PbPb_XcheckEff_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f_Cent_%d-%d.png",efficiency,ymin,ymax,ptmin,ptmax,int(centmin/2.0),int(centmax/2.0));
outfname = Form("/Jpsi_PbPb_XcheckEff_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f_Cent_%d-%d.root",efficiency,ymin,ymax,ptmin,ptmax,int(centmin/2.0),int(centmax/2.0));
}
if(nonPrompt){
fname = Form("/Jpsi_PbPb_XcheckEff_NP_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f_Cent_%d-%d.pdf",efficiency,ymin,ymax,ptmin,ptmax,int(centmin/2.0),int(centmax/2.0));
fnamepng = Form("/Jpsi_PbPb_XcheckEff_NP_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f_Cent_%d-%d.png",efficiency,ymin,ymax,ptmin,ptmax,int(centmin/2.0),int(centmax/2.0));
outfname = Form("/Jpsi_PbPb_XcheckEff_NP_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f_Cent_%d-%d.root",efficiency,ymin,ymax,ptmin,ptmax,int(centmin/2.0),int(centmax/2.0));
}
}
else {
if(Prompt){
fname = Form("/Jpsi_pp_XcheckEff_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f.pdf",efficiency,ymin,ymax,ptmin,ptmax);
fnamepng = Form("/Jpsi_pp_XcheckEff_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f.png",efficiency,ymin,ymax,ptmin,ptmax);
outfname = Form("/Jpsi_pp_XcheckEff_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f.root",efficiency,ymin,ymax,ptmin,ptmax);
}
if(nonPrompt){
fname = Form("/Jpsi_pp_XcheckEff_NP_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f.pdf",efficiency,ymin,ymax,ptmin,ptmax);
fnamepng = Form("/Jpsi_pp_XcheckEff_NP_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f.png",efficiency,ymin,ymax,ptmin,ptmax);
outfname = Form("/Jpsi_pp_XcheckEff_NP_%3.1f_Rap_%3.1f-%3.1f_Pt_%3.1f-%3.1f.root",efficiency,ymin,ymax,ptmin,ptmax);
}
}
std::cout << fname << std::endl;
std::cout << "default: " << defaultCut.GetTitle() << std::endl;
std::cout << "pt cut: " << ptCut.GetTitle() << std::endl;
std::cout << "rapidity cut: " << rapCut.GetTitle() << std::endl;
std::cout << "centrality cut: " << centCut.GetTitle() << std::endl;
std::cout << "trigger bit: " << trigCut.GetTitle() << std::endl;
TLatex *lpt;
if (ptmin==0.0)
lpt = new TLatex(0.38,0.845,Form("p_{T} < %3.1f GeV/c",ptmax));
else{
lpt = new TLatex(0.38,0.845,Form("%3.1f < p_{T} < %3.1f GeV/c",ptmin,ptmax));
lpt->SetTextSize(0.033);
}
TLatex *lrap;
if (absRapidity){
if (ymin==0.0){
lrap = new TLatex(0.38,0.77,Form("|y| < %3.1f",ymax));
lrap->SetTextSize(0.033);
}
else{
lrap = new TLatex(0.38,0.77,Form("%3.1f < |y| < %3.1f",ymin,ymax));
lrap->SetTextSize(0.033);
}
}
else {
if (ymin==0.0)
lrap = new TLatex(0.38,0.77,Form("y < %3.1f",ymax));
else
lrap = new TLatex(0.38,0.77,Form("%3.1f < y < %3.1f",ymin,ymax));
}
lpt->SetNDC(kTRUE);
lrap->SetNDC(kTRUE);
TLatex *lcent = NULL;
if (isHI) {
lcent = new TLatex(0.38,0.69,Form("Cent. %d-%d%%",int(centmin/2.0),int(centmax/2.0)));
lcent->SetTextSize(0.033);
lcent->SetNDC(kTRUE);
}
TChain *iTree = NULL;
iTree = new TChain("hionia/myTree");
if (isHI) {
if(Prompt)
{
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/Jpsi/OniaTree_Pythia8_JpsiMM_ptJpsi_00_03_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/Jpsi/OniaTree_Pythia8_JpsiMM_ptJpsi_03_06_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/Jpsi/OniaTree_Pythia8_JpsiMM_ptJpsi_06_09_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/Jpsi/OniaTree_Pythia8_JpsiMM_ptJpsi_09_12_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/Jpsi/OniaTree_Pythia8_JpsiMM_ptJpsi_12_15_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/Jpsi/OniaTree_Pythia8_JpsiMM_ptJpsi_15_30_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/Jpsi/OniaTree_Pythia8_JpsiMM_ptJpsi_30_Inf_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
}
if(nonPrompt)
{
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/BJpsi/OniaTree_Pythia8_BJpsiMM_ptJpsi_00_03_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/BJpsi/OniaTree_Pythia8_BJpsiMM_ptJpsi_03_06_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/BJpsi/OniaTree_Pythia8_BJpsiMM_ptJpsi_06_09_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/BJpsi/OniaTree_Pythia8_BJpsiMM_ptJpsi_09_12_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/BJpsi/OniaTree_Pythia8_BJpsiMM_ptJpsi_12_15_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/BJpsi/OniaTree_Pythia8_BJpsiMM_ptJpsi_15_30_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
//iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/PbPb/BJpsi/OniaTree_Pythia8_BJpsiMM_ptJpsi_30_Inf_Hydjet_MB_HINPbPbWinter16DR-75X_mcRun2_HeavyIon_v13-v1.root");
}
}
else{
if(Prompt)
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/pp/OniaTree_JpsiMM_5p02TeV_TuneCUETP8M1_HINppWinter16DR-75X_mcRun2_asymptotic_ppAt5TeV_v3-v1.root");
if(nonPrompt)
iTree->Add("/home/abdulla/CMS/quarkoniaData/Charm2015/rootfiles/MC/pp/OniaTree_BJpsiMM_5p02TeV_TuneCUETP8M1_HINppWinter16DR-75X_mcRun2_asymptotic_ppAt5TeV_v3-v1.root");
}
Float_t muPlPt;
Float_t muMiPt;
Float_t muPlEta;
Float_t muMiEta;
Float_t QQctau3D;
Float_t QQctau3DErr;
double invariantMass;
double JpsiPt;
double JpsiRap;
double vProb;
float muPlDxy;
float muPlDz;
int muPlNhits;
int muPlNPxlLayers;
int muPlNTrkLayers;
float muPlInnerChi;
float muPlGlobalChi;
int muPlNMuonhits;
bool muPlGoodMu;
bool muPlTrkArb;
bool muPlTMOneStaTight;
bool muPlHighPurity;
float muMiDxy;
float muMiDz;
int muMiNhits;
int muMiNPxlLayers;
int muMiNTrkLayers;
float muMiInnerChi;
float muMiGlobalChi;
int muMiNMuonhits;
bool muMiGoodMu;
bool muMiTrkArb;
bool muMiTMOneStaTight;
bool muMiHighPurity;
int nx = 14, ny = 15000;
//double xBins[22] = {0.0,1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0,9.0,10.0,11.0,12.0,13.0,14.0,15.0,16.0,17.0,18.0,19.0,20.0,30.0}; //19
double xBins[15] = {3.0,4.0,5.0,6.0,7.0,8.0,9.0,10.0,11.0,12.0,13.0,15.0,18.0,22.0,30.0}; //19
//double xBins[4] = {3.0,6.5,12.0,30.0}; //19
//double xBins[6] = {6.5,9.0,12.0,15.0,20.0,30.0}; //19
//double xBins[13] = {6.5,7.0,8.0,9.0,10.0,11.0,12.0,13.0,15.0,18.0,21.0,24.0,30.0}; //13
//double xBins[8] = {6.0,9.0,12.0,15.0,18.0,21.0,24.0,30.0}; //19
//TH2D *hPR2D = new TH2D("hPR2D","hPR2D",nx,xBins,ny,-5.0,10.0);
//TH1F *hPR = new TH1F("hPR","hPR;Inv_mass",100,-2.5,3.2);
TH1F *hPR = new TH1F("hPR","hPR;p_{T}",nx,xBins);
//TH1F *hPR = new TH1F("hPR","hPR;l_{J/#psi} (mm);counts",1500,-5,10);
hPR->Sumw2();
hPR->SetLineColor(1);
//TH1F *hPRfunc = new TH1F("hPRfunc","hPRfunc;Inv_mass",100,-2.8,3.2);
TH1F *hPRfunc = new TH1F("hPRfunc","hPRfunc;p_{T}",nx,xBins);
//TH1F *hPRfunc = new TH1F("hPRfunc","hPRfunc;l_{J/#psi} (mm);counts",1500,-5,10);
hPRfunc->Sumw2();
hPRfunc->SetLineColor(2);
//TH1F* hPRCut = (TH1F*) hPR->Clone("hPRCut");
TFile *Fitfile = new TFile("Plots/2015/3D/ctauFit/Jpsi_pp_eff_0.9_Rap_1.6-2.4_Pt_3.0-30.0.root");
TGraph *FitGr = (TGraph*)Fitfile->Get("Graph");
TF1 *func1 = (TF1*)FitGr->GetFunction("FitFn");
new TCanvas;
TAxis *XaxctauFW = FitGr->GetXaxis();
XaxctauFW->SetLimits(0.0,30.0);
TAxis *YaxctauFW = FitGr->GetYaxis();
YaxctauFW->SetLimits(0.0,0.1);
FitGr->GetXaxis()->SetRangeUser(0.0,30.0);
FitGr->GetYaxis()->SetRangeUser(0.0,0.1);
//FitGr->Draw("AP");
//FitGr->Draw();
func1->Draw();
initOniaTree(iTree);
Long64_t nentries = iTree->GetEntries();
nentries = 500000;
cout<<"Total Entries in data Tree "<<" "<<nentries<< "====="<<endl;
Long64_t nbytes = 0, nb = 0;
for (Long64_t jentry=0; jentry<nentries;jentry++) {
nb = iTree->GetEntry(jentry);
for (int iQQ=0; iQQ<Reco_QQ_size; iQQ++) {
TLorentzVector *qq4mom = (TLorentzVector*) Reco_QQ_4mom->At(iQQ);
TLorentzVector *qq4mupl = (TLorentzVector*) Reco_QQ_mupl_4mom->At(iQQ);
TLorentzVector *qq4mumi = (TLorentzVector*) Reco_QQ_mumi_4mom->At(iQQ);
invariantMass = qq4mom->M();
JpsiPt = qq4mom->Pt();
JpsiRap = qq4mom->Rapidity();
muPlPt = qq4mupl->Pt();
muMiPt = qq4mumi->Pt();
muPlEta = qq4mupl->Eta();
muMiEta = qq4mumi->Eta();
QQctau3D = Reco_QQ_ctau3D[iQQ];
//QQctauTrue3D = Reco_QQ_ctauTrue3D[iQQ];
vProb = Reco_QQ_VtxProb[iQQ];
muPlDxy=Reco_QQ_mupl_dxy[iQQ];
muPlDz=Reco_QQ_mupl_dz[iQQ];
muPlNPxlLayers=Reco_QQ_mupl_nPixWMea[iQQ];
muPlNTrkLayers=Reco_QQ_mupl_nTrkWMea[iQQ];
muPlTMOneStaTight=Reco_QQ_mupl_TMOneStaTight[iQQ];
muPlGoodMu = Reco_QQ_mupl_isGoodMuon[iQQ];
muPlHighPurity = Reco_QQ_mupl_highPurity[iQQ];
muMiDxy=Reco_QQ_mumi_dxy[iQQ];
muMiDz=Reco_QQ_mumi_dz[iQQ];
muMiNPxlLayers=Reco_QQ_mumi_nPixWMea[iQQ];
muMiNTrkLayers=Reco_QQ_mumi_nTrkWMea[iQQ];
muMiTMOneStaTight=Reco_QQ_mumi_TMOneStaTight[iQQ];
muMiGoodMu = Reco_QQ_mumi_isGoodMuon[iQQ];
muMiHighPurity = Reco_QQ_mumi_highPurity[iQQ];
bool defaultpass =0, ptpass =0, rappass =0, PosPass=0, NegPass=0, AllCut=0 ,PosIn=0, NegIn=0,TriggerPass=0;
//if(Reco_QQ_sign[iQQ]==0 && invariantMass>2.85 && invariantMass<3.25 && Reco_QQ_ctau3D[iQQ]>-500 && Reco_QQ_ctauTrue3D[iQQ]>-10) {defaultpass =1;}
if(Reco_QQ_sign[iQQ]==0 && invariantMass>2.85 && invariantMass<3.25 ) {defaultpass =1;}
if(!defaultpass) continue;
if(JpsiPt>ptmin && JpsiPt<ptmax) {ptpass =1;}
if( fabs(JpsiRap)>ymin && fabs(JpsiRap) <ymax ) {rappass =1;}
if(!ptpass) continue;
if(!rappass) continue;
//centCut = Form("Centrality>=%d&&Centrality<%d",centmin,centmax);
if( (HLTriggers&(ULong64_t)pow(2,0))==pow(2,0) && (Reco_QQ_trig[iQQ]&(ULong64_t)pow(2,0))==pow(2,0) )
{TriggerPass =1;}
if (fabs(muPlEta) < 2.4 && ( (fabs(muPlEta) < 1.2 && muPlPt >= 3.5 ) || (1.2 <= fabs(muPlEta) && fabs(muPlEta) < 2.1 && muPlPt >= 5.77-1.89*fabs(muPlEta )) || (2.1 <= fabs(muPlEta) && muPlPt >= 1.8 )) ) {PosIn =1;}
if(fabs(muMiEta) < 2.4 && ( (fabs(muMiEta) < 1.2 && muMiPt >= 3.5 ) || (1.2 <= fabs(muMiEta) && fabs(muMiEta) < 2.1 && muMiPt >= 5.77-1.89*fabs(muMiEta )) || (2.1 <= fabs(muMiEta) && muMiPt >= 1.8 )) ) {NegIn =1;}
if( (muPlGoodMu==1) && muPlNTrkLayers> 5 && muPlNPxlLayers > 0 && TMath::Abs(muPlDxy) < 0.3 && TMath::Abs(muPlDz) < 20 && vProb > 0.01){PosPass=1;}
if( (muMiGoodMu==1) && muMiNTrkLayers> 5 && muMiNPxlLayers > 0 && TMath::Abs(muMiDxy) < 0.3 && TMath::Abs(muMiDz) < 20 ){NegPass=1;}
//if((Reco_QQ_mupl_isGoodMuon==1) && Reco_QQ_mupl_nTrkWMea> 5 && Reco_QQ_mupl_nPixWMea > 0 && TMath::fabs(Reco_QQ_mupl_dxy) < 0.3 && TMath::fabs(Reco_QQ_mupl_dz) < 20 && Reco_QQ_VtxProb > 0.01 ) {PosPass =1;}
//if((Reco_QQ_mumi_isGoodMuon==1) && Reco_QQ_mumi_nTrkWMea> 5 && Reco_QQ_mumi_nPixWMea > 0 && TMath::fabs(Reco_QQ_mumi_dxy) < 0.3 && TMath::fabs(Reco_QQ_mumi_dz) < 20 && Reco_QQ_VtxProb > 0.01 ) {NegPass =1;}
if(TriggerPass &&PosIn && NegIn && PosPass && NegPass) {AllCut = 1;}
if(!AllCut) continue;
//hPR->Fill(QQctau3D);
hPR->Fill(JpsiPt);
//for pp fwdrap: cut.dMuon.ctauCut = "( ctau < (0.0128 + (0.288/pt)) )";
//for pbpb fwdrap: cut.dMuon.ctauCut = "( ctau < (0.0147 + (0.279/pt)) )";
//for pp midrap: cut.dMuon.ctauCut = "( ctau < (0.0097 + (0.249/pt)) )";
//for pbpb midrap: cut.dMuon.ctauCut = "( ctau < (0.0134 + (0.216/pt)) )";
if( QQctau3D < (0.0128 + (0.288/JpsiPt) ) ) {hPRfunc->Fill(JpsiPt);}
}
}
//TH1F* ratio = (TH1F*)hPR->Clone();
//ratio->Divide(hPRfunc);
TH1F* ratio = (TH1F*)hPRfunc->Clone();
ratio->Divide(hPR);
ratio->SetStats(0);
//gStyle->SetFitFormat("1.3f");
TCanvas *rt = new TCanvas();
gPad->SetTickx();
gPad->SetTicky();
gPad->SetGridy();
ratio->SetMarkerColor(kGreen+3);
ratio->SetLineColor(0);
ratio->SetMarkerStyle(29);
ratio->SetMarkerSize(1.3);
XaxctauFW = ratio->GetXaxis();
XaxctauFW->SetLimits(0.0,30.0);
YaxctauFW = ratio->GetYaxis();
YaxctauFW->SetLimits(0.5,1.5);
ratio->GetXaxis()->SetRangeUser(0.0,30.0);
ratio->GetYaxis()->SetRangeUser(0.5,1.5);
ratio->Draw();
//*/
lpt->Draw();
lrap->Draw();
leg->Draw();
if (isHI)
lcent->Draw();
if (savePlot) {
rt->SaveAs(plotDir+fname);
rt->SaveAs(plotDir+fnamepng);
}
return;
/*
//TH1D *ctauMid_pT = new TH1D("ctauMid_pT","ctauMid_pT",90,0,30);
//TH1D *ctauFW_pT = new TH1D("ctauFW_pT","ctauFW_pT",90,0,30);
//double ctauFrw[5] = {0.04,0.03,0.02,0.02,0.01};
double ctauFrw[4] = {0.07,0.04,0.03};
double ctauMd[6] = {0.04,0.03,0.02,0.02,0.01};
double Fbins[4] = {3,6.5,12.0,30.0};
double Mbins[6] = {6.5,9.0,12.0,15.0,20.0,30.0};
double x1bins[4] = {0.0};
double x2bins[6] = {0.0};
for(int i=0; i<3; i++){
x1bins[i] = (Fbins[i] + Fbins[i+1])/2.0;
cout<<x1bins[i]<<endl;
//ctauFW_pT->SetBinContent(x1bins[i], ctauFrw[i-1]);
}
for(int i=0; i<5; i++){
x2bins[i] = (Mbins[i] + Mbins[i+1])/2.0;
//ctauMid_pT->SetBinContent(x2bins[i], ctauMd[i]);
}
new TCanvas;
gPad->SetTickx();
gPad->SetTicky();
gPad->SetGridy();
TGraph *ctauFW_pT = new TGraph(3,x1bins,ctauFrw);
TF1 *FitFn = new TF1("FitFn",Pol2,0.0,30.0,3);
FitFn->SetParNames("C","a","b");
FitFn->SetLineWidth(2.0);
FitFn->SetLineColor(2);
ctauFW_pT->Fit("FitFn","", "",3.0,30.0);
ctauFW_pT->SetLineColor(2);
ctauFW_pT->SetLineWidth(3);
ctauFW_pT->SetMarkerSize(1.5);
ctauFW_pT->GetYaxis()->SetTitle("c#tau");
ctauFW_pT->GetXaxis()->SetTitle("p_{T} bin");
TAxis *XaxctauFW = ctauFW_pT->GetXaxis();
XaxctauFW->SetLimits(0.0,30.0);
TAxis *YaxctauFW = ctauFW_pT->GetYaxis();
YaxctauFW->SetLimits(0.0,0.1);
ctauFW_pT->GetXaxis()->SetRangeUser(0.0,30.0);
ctauFW_pT->GetYaxis()->SetRangeUser(0.0,0.1);
ctauFW_pT->Draw("AP*");
new TCanvas;
gPad->SetTickx();
gPad->SetTicky();
gPad->SetGridy();
TF1 *FitFn2 = new TF1("FitFn2",Exp,0.0,30.0,2);
TGraph *ctauMid_pT = new TGraph(5,x2bins,ctauMd);
ctauMid_pT->SetLineColor(2);
ctauMid_pT->SetLineWidth(3);
ctauMid_pT->SetMarkerSize(1.5);
ctauMid_pT->GetYaxis()->SetTitle("c#tau");
ctauMid_pT->GetXaxis()->SetTitle("p_{T} bin");
ctauMid_pT->Fit("FitFn2","", "",3.0,30.0);
FitFn2->SetParNames("C1","n");
TAxis *XaxctauMid = ctauMid_pT->GetXaxis();
XaxctauMid->SetLimits(0.0,30.0);
TAxis *YaxctauMid = ctauMid_pT->GetYaxis();
YaxctauMid->SetLimits(0.0,0.1);
ctauMid_pT->GetXaxis()->SetRangeUser(0.0,30.0);
ctauMid_pT->GetYaxis()->SetRangeUser(0.0,0.1);
ctauMid_pT->Draw("AP*");
TLatex *t = new TLatex();
t->SetNDC(); t->SetTextAlign(12);t->SetTextColor(1);
t->SetTextSize(0.03);
//t->DrawLatex(0.135,0.21," 10 pp 6.5-30 0.0-1.6");
//lh->Draw("same");
TF1 *myfunc1=ctauFW_pT->GetFunction("FitFn");
TF1 *myfunc2=ctauMid_pT->GetFunction("FitFn2");
TH1F *funHist = new TH1F("funHist","funHist",30,0.0,30.0);
TH1F *funHist2 = new TH1F("funHist2","funHist2",30,0.0,30.0);
funHist->Eval(myfunc1);
funHist2->Eval(myfunc2);
//funHist = myfunc->GetHistogram();
//root > TH1F h("h","",100,0,10);
//root > h.Eval(f1);
cout<<"funHist:Entries "<<funHist->GetEntries()<<endl;
for(int i=1;i<=funHist->GetNbinsX();++i)
{
cout<<"bin:pT "<<i<<"ctau: "<<funHist->GetBinContent(i)<<endl<<endl;
}
for(int i=1;i<=funHist2->GetNbinsX();++i)
{
cout<<"bin:pT "<<i<<"ctau: "<<funHist2->GetBinContent(i)<<endl<<endl;
}
new TCanvas;
gPad->SetTickx();
gPad->SetTicky();
gPad->SetGridy();
TAxis *XaxHistMid = funHist->GetXaxis();
XaxHistMid->SetLimits(0.0,30.0);
TAxis *YaxHistMid = funHist->GetYaxis();
YaxHistMid->SetLimits(0.0,0.1);
funHist->GetXaxis()->SetRangeUser(0.0,30.0);
funHist->GetYaxis()->SetRangeUser(0.0,0.1);
funHist->Draw();
funHist2->SetLineColor(2);
funHist2->Draw("same");
//gPad->SaveAs("Plots/ctauMid.png");
//gPad->SaveAs("plots/ctauMid.pdf");
*/
}
void dumpProfile() {
std::string fileName_ = "Profile_SM10.root";
TFile *shapeFile_ = TFile::Open(fileName_.c_str(),"old");
TProfile* PROF_704 = (TProfile*) shapeFile_->Get("SHAPE_XTAL_704");
ofstream out;
out.open("dat.txt");
int nBinsHisto_ = 250;
std::vector<double> shapeArray(nBinsHisto_,0.0);
double max = -999;
int imax = 0;
for(int ibin=0; ibin < nBinsHisto_; ++ibin)
{
out << "shapeArray[" << ibin << "] = " << PROF_704->GetBinContent(ibin+1) << " ; \n";
shapeArray[ibin] = PROF_704->GetBinContent(ibin);
std::cout << "Original shape, ns = " << ibin << " shape = " << shapeArray[ibin] << std::endl;
if ( shapeArray[ibin] > max ) {
max = shapeArray[ibin];
imax = ibin;
}
}//loop
out.close();
double xMinHisto_ = -1.;
double xMaxHisto_ = 9.;
double binw = (xMaxHisto_ - xMinHisto_)/(shapeArray.size());
int nbins = shapeArray.size()/10;
float low = xMinHisto_+(double)(imax-nbins/2+0.5)*binw;
float up = xMinHisto_+(double)(imax+nbins/2+0.5)*binw;
double* x = new double[nbins];
double* y = new double[nbins];
for (int i = 0; i < nbins; i++) {
x[i] = xMinHisto_ + (double)(imax - nbins/2 + i + 0.5)*binw;
y[i] = shapeArray[imax - nbins/2 + i];
std::cout << " x,y = " << x[i] << " " << y[i] << " " << (double)(imax - nbins/2 + i + 0.5) << std::endl;
}
TGraph* graph = new TGraph(nbins, x, y);
graph->Fit("pol3", "V");//"Q 0");
TF1* fFit = graph->GetFunction("pol3");
double tMax = fFit->GetMaximumX();
std:;cout << "Maxiumum = " << tMax << std::endl;
gStyle->SetOptFit(1111);
TCanvas *MyC = new TCanvas("MyC","Test canvas",1);
MyC->Divide(2,1);
MyC->cd(1);
PROF_704->Draw();
MyC->cd(2);
fFit->Draw();
MyC->SaveAs("PROF_704.jpg");
}
/*
root -l 'sigmapeak.C+(0.025)'
//
Processing sigmapeak.C+(0.025)...
background only: bkg_nsigma_0_99 = -0.352803
sig_nsigma_0_59 = -0.608621
sig_nsigma_0_99 = 2.1472
sig_nsigma_60_99 = 4.14042
sig_nsigma_70_90 = 5.57689
sig_nsigma_75_85 = 8.056
*/
void sigmapeak(Double_t signal_area=0.025)
{
Double_t bkg_mean = 0;
Double_t bkg_sigma = 0.001;
Double_t x[100];
Double_t y[100];
Int_t np = 100;
TRandom3 rand;
for (int i=0; i<np; ++i) {
x[i] = i;
y[i] = rand.Gaus(bkg_mean,bkg_sigma);
}
TGraph* gr = new TGraph(np,x,y);
gr->SetNameTitle("gr",Form("#sigma = %0.1f",bkg_sigma));
gr->SetMarkerStyle(7);
gr->SetMarkerColor(46);
new TCanvas();
gr->Draw("ap");
Double_t bkg_nsigma_0_99 = Nsigma(gr->GetY(), 0,99, bkg_sigma);
cout<< "background only: bkg_nsigma_0_99 = " << bkg_nsigma_0_99 <<endl;
// add signal
Double_t signal_mean = 80;
Double_t signal_sigma = 3;
for (int i=0; i<gr->GetN(); ++i) {
Double_t xx = (gr->GetX()[i] - signal_mean)/signal_sigma;
Double_t arg = 0.5*xx*xx;
Double_t exp = arg < 50? TMath::Exp(-arg): 0;
Double_t signal = signal_area/(TMath::Sqrt(TMath::TwoPi())*signal_sigma) * exp;
gr->SetPoint(i, gr->GetX()[i], gr->GetY()[i] + signal);
}
gr->SetTitle(Form("#sigma_{bkg} = %0.3f signal: area = %0.3f mean = %0.0f sigma = %0.1f", bkg_sigma,signal_area,signal_mean,signal_sigma));
gr->Draw("apl");
gr->Fit("gaus", "R", "", signal_mean - 5*signal_sigma, signal_mean+5*signal_sigma);
Double_t fit_area = 2.5 * gr->GetFunction("gaus")->GetParameter("Constant") * gr->GetFunction("gaus")->GetParameter("Sigma");
cout<< "Area under fitted gaussian = " << fit_area <<endl;
// titmax();
gPad->Modified(); // to create box (NB: the pad was not drawn yet at this point!)
gPad->Update();
TPaveText* tit = (TPaveText*)gPad->GetPrimitive("title");
tit->SetX1NDC(0.);
tit->SetX2NDC(1.);
tit->SetY1NDC(0.9);
tit->SetY2NDC(1.);
gPad->Modified(); // to update the pad
gPad->Update();
Double_t sig_nsigma_0_59 = Nsigma(gr->GetY(), 0,59, bkg_sigma);
cout<< "sig_nsigma_0_59 = " << sig_nsigma_0_59 <<endl;
Double_t sig_nsigma_0_99 = Nsigma(gr->GetY(), 0,99, bkg_sigma);
cout<< "sig_nsigma_0_99 = " << sig_nsigma_0_99 <<endl;
Double_t sig_nsigma_60_99 = Nsigma(gr->GetY(), 60,99, bkg_sigma);
cout<< "sig_nsigma_60_99 = " << sig_nsigma_60_99 <<endl;
Double_t sig_nsigma_70_90 = Nsigma(gr->GetY(), 70,90, bkg_sigma);
cout<< "sig_nsigma_70_90 = " << sig_nsigma_70_90 <<endl;
Double_t sig_nsigma_75_85 = Nsigma(gr->GetY(), 75,85, bkg_sigma);
cout<< "sig_nsigma_75_85 = " << sig_nsigma_75_85 <<endl;
Double_t ys5[100];
smooth5(np, gr->GetY(), ys5);
TGraph* gr5 = new TGraph(np, x, ys5);
gr5->SetNameTitle("gr5","smoothed on 5 points");
gr5->SetMarkerStyle(7);
gr5->SetMarkerColor(2);
gr5->SetLineColor(2);
new TCanvas;
gr5->Draw("apl");
Double_t ys7[100];
smooth7(np, gr->GetY(), ys7);
TGraph* gr7 = new TGraph(np, x, ys7);
gr7->SetNameTitle("gr7","smoothed on 7 points");
gr7->SetMarkerStyle(7);
gr7->SetMarkerColor(8);
gr7->SetLineColor(8);
new TCanvas;
gr7->Draw("apl");
Double_t ys7a[100];
smooth7a(np, gr->GetY(), ys7a);
TGraph* gr7a = new TGraph(np, x, ys7a);
gr7a->SetNameTitle("gr7a","smoothed on 7a points");
gr7a->SetMarkerStyle(7);
gr7a->SetMarkerColor(3);
gr7a->SetLineColor(3);
new TCanvas;
gr7a->Draw("apl");
Double_t ys5g[100];
smooth5g(np, gr->GetY(), ys5g);
TGraph* gr5g = new TGraph(np, x, ys5g);
gr5g->SetNameTitle("gr5g","smoothed on 5g points");
gr5g->SetMarkerStyle(7);
gr5g->SetMarkerColor(4);
gr5g->SetLineColor(4);
new TCanvas;
gr5g->Draw("apl");
Double_t ys5a[100];
smooth5a(np, gr->GetY(), ys5a);
TGraph* gr5a = new TGraph(np, x, ys5a);
gr5a->SetNameTitle("gr5a","smoothed on 5a points");
gr5a->SetMarkerStyle(7);
gr5a->SetMarkerColor(6);
gr5a->SetLineColor(6);
new TCanvas;
gr5a->Draw("apl");
}