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Resolve "pi0 resolution for ECal barrel"

Merged Resolve "pi0 resolution for ECal barrel"
19-pi0-resolution-for-ecal-barrel into master
Merged Marshall Scott requested to merge 19-pi0-resolution-for-ecal-barrel into master
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benchmarks/barrel_ecal/scripts/emcal_barrel_pions_analysis.cxx
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@@ -213,14 +213,13 @@ void emcal_barrel_pions_analysis(const char* input_fname = "sim_output/sim_emcal
c6->SaveAs("results/emcal_barrel_pions_dau.pdf");
//Energy Resolution Calculation
auto hdE = d2.Histo1D({"hdE", "dE; dE[GeV]; Events", 20, -2.5, 2.5}, "dE");//changed from 100
auto hdE_rel = d2.Histo1D({"hdE_rel", "dE Relative; dE Relative; Events", 20, -2.5, 2.5}, "dE_rel");//changed from 100
hdE->Fit("gaus", "", "", -2.5, 2.5);
auto hdE = d2.Histo1D({"hdE", "dE; dE[GeV]; Events", 100, -3.0, 3.0}, "dE");
auto hdE_rel = d2.Histo1D({"hdE_rel", "dE Relative; dE Relative; Events", 100, -3.0, 3.0}, "dE_rel");
hdE->Fit("gaus", "", "", -3.0, 3.0);
double* res = hdE->GetFunction("gaus")->GetParameters();
double sigmaOverE = res[2] / thrown_energy;
//Pass/Fail
if (sigmaOverE <= resolutionTarget) {
pi0_energy_resolution.pass(sigmaOverE);
} else {