GammaJetAnalysis.C
GammaJetAnalysis.C
GammaJetAnalysis.C
—
C source code,
0Kb
Dateiinhalt
#define GammaJetAnalysis_cxx
#include "GammaJetAnalysis.h"
#include <TH2.h>
#include <TStyle.h>
#include <TCanvas.h>
void GammaJetAnalysis::Loop()
{
if (fChain == 0) return;
//create output file
TFile* outputfile = new TFile("GammaJetPlots.root", "RECREATE");
//book histograms
TH1F* h_ptGamma = new TH1F("ptGamma", ";p_{T}^{#gamma};a.u.", 100, 0, 100);
Long64_t nentries = fChain->GetEntriesFast();
Long64_t nbytes = 0, nb = 0;
for (Long64_t jentry=0; jentry<nentries;jentry++) {
Long64_t ientry = LoadTree(jentry);
if (ientry < 0) break;
nb = fChain->GetEntry(jentry); nbytes += nb;
// if (Cut(ientry) < 0) continue;
if(photon_pt->size() < 1)
continue;
h_ptGamma->Fill(photon_pt->at(0));
}
outputfile->Write();
outputfile->Close();
}
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