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Resolve "pi0 resolution for ECal barrel"

Merged Marshall Scott requested to merge 19-pi0-resolution-for-ecal-barrel into master
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@@ -145,7 +145,7 @@ void emcal_barrel_pions_analysis(const char* input_fname = "sim_output/sim_emcal
@@ -145,7 +145,7 @@ void emcal_barrel_pions_analysis(const char* input_fname = "sim_output/sim_emcal
//Energy Resolution Work
//Energy Resolution Work
auto hdE = d1.Histo1D({"hdE", "dE; dE[GeV]; Events", 100, -7.5, 7.5}, "dE");
auto hdE = d1.Histo1D({"hdE", "dE; dE[GeV]; Events", 100, -7.5, 7.5}, "dE");
auto hdE_rel = d1.Histo1D({"hdE_rel", "dE Relative; dE Relative; Events", 100, -7.5, 7.5}, "dE_rel");
auto hdE_rel = d1.Histo1D({"hdE_rel", "dE Relative; dE Relative; Events", 100, -7.5, 7.5}, "dE_rel");
auto f1 = hdE_rel->Fit("gaus", "S");
TFitResultPtr f1 = hdE_rel->Fit("gaus", "S");
const double* res = f1->GetParams();
const double* res = f1->GetParams();
auto tf1 = new TF1("", "TMath::Gaus(x, [0], [1], [2])", -7.5, 7.5);
auto tf1 = new TF1("", "TMath::Gaus(x, [0], [1], [2])", -7.5, 7.5);
tf1 -> SetParameters(res[0], res[1], res[2]);
tf1 -> SetParameters(res[0], res[1], res[2]);
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