modified: GainMatchSX3.C changed terminate to accomodate for events which don't have a back but have more than 3 SX3hits
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.vscode/settings.json
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4
.vscode/settings.json
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@ -109,7 +109,9 @@
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"GainMatch.C": "cpp",
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"GainMatchSX3.C": "cpp",
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"RelBack_Fix_new.C": "cpp",
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"SiRelativeGains_Step1_new.C": "cpp"
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"SiRelativeGains_Step1_new.C": "cpp",
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"charconv": "cpp",
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"format": "cpp"
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},
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"github-enterprise.uri": "https://fsunuc.physics.fsu.edu"
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}
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@ -10,13 +10,15 @@
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#include <fstream>
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#include <utility>
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#include <algorithm>
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#include <TProfile.h>
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#include "Armory/ClassSX3.h"
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#include "TVector3.h"
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TH2F *hSX3FvsB;
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TH2F *hSX3FvsB_g;
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TH2F *hsx3IndexVE;
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TH2F *hsx3IndexVE_g;
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int padID = 0;
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SX3 sx3_contr;
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@ -28,7 +30,9 @@ void GainMatchSX3::Begin(TTree * /*tree*/)
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TString option = GetOption();
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hSX3FvsB = new TH2F("hSX3FvsB", "SX3 Front vs Back; Front E; Back E", 400, 0, 16000, 400, 0, 16000);
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hSX3FvsB_g = new TH2F("hSX3FvsB_g", "SX3 Front vs Back; Front E; Back E", 400, 0, 16000, 400, 0, 16000);
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hsx3IndexVE = new TH2F("hsx3IndexVE", "SX3 index vs Energy; sx3 index ; Energy", 24 * 12, 0, 24 * 12, 400, 0, 5000);
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hsx3IndexVE_g = new TH2F("hsx3IndexVE_g", "SX3 index vs Energy; sx3 index ; Energy", 24 * 12, 0, 24 * 12, 400, 0, 5000);
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sx3_contr.ConstructGeo();
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@ -74,7 +78,11 @@ Bool_t GainMatchSX3::Process(Long64_t entry)
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std::vector<std::pair<int, int>> ID;
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for (int i = 0; i < sx3.multi; i++)
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{
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ID.push_back(std::pair<int, int>(sx3.id[i], i));
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if (sx3.e[i] > 100)
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{
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ID.push_back(std::pair<int, int>(sx3.id[i], i));
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hsx3IndexVE->Fill(sx3.index[i], sx3.e[i]);
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}
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}
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if (ID.size() > 0)
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@ -135,15 +143,20 @@ Bool_t GainMatchSX3::Process(Long64_t entry)
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sx3EBk = sx3.e[index];
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}
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}
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hSX3FvsB->Fill(sx3EUp + sx3EDn, sx3EBk);
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// Fill the histogram for the front vs back
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std::array<int, 24> detectorIDs;
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hSX3FvsB->Fill(sx3EUp + sx3EDn, sx3EBk);
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for (int i = 0; i < sx3.multi; i++)
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{
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if (sx3.id[i]==3)
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if (sx3.id[i] == 3)
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{
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// Fill the histogram for the front vs back with gain correction
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hSX3FvsB_g->Fill(sx3EUp + sx3EDn, sx3EBk);
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// Fill the index vs energy histogram
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hsx3IndexVE_g->Fill(sx3.index[i], sx3.e[i]);
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// }
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// {
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TString histName = Form("hSX3FVB_id%d_U%d_D%d_B%d", sx3.id[i], sx3ChUp, sx3ChDn, sx3ChBk);
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TH2F *hist2d = (TH2F *)gDirectory->Get(histName);
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if (!hist2d)
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@ -153,10 +166,13 @@ Bool_t GainMatchSX3::Process(Long64_t entry)
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// if (sx3ChBk == 2)
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// printf("Found back channel Det %d Back %d \n", sx3.id[i], sx3ChBk);
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hsx3IndexVE->Fill(sx3.index[i], sx3.e[i]);
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// hsx3IndexVE_g->Fill(sx3.index[i], sx3.e[i]);
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// hSX3FvsB_g->Fill(sx3EUp + sx3EDn, sx3EBk);
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hist2d->Fill(sx3EUp + sx3EDn, sx3EBk);
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if (cut && cut->IsInside(sx3EUp + sx3EDn, sx3EBk))
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// if (cut && cut->IsInside(sx3EUp + sx3EDn, sx3EBk))
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// if (sx3.id[i] < 24 && sx3ChUp < 4 && sx3ChBk < 4 && std::isfinite(sx3EUp) && std::isfinite(sx3EDn) && std::isfinite(sx3EBk))
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{
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// Accumulate data for gain matching
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dataPoints[{sx3.id[i], sx3ChUp, sx3ChBk}].emplace_back(sx3EBk, sx3EUp, sx3EDn);
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@ -168,6 +184,7 @@ Bool_t GainMatchSX3::Process(Long64_t entry)
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return kTRUE;
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}
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void GainMatchSX3::Terminate()
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{
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const int MAX_DET = 24;
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@ -177,6 +194,8 @@ void GainMatchSX3::Terminate()
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double gainArray[MAX_DET][MAX_UP][MAX_BK] = {{{0}}};
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bool gainValid[MAX_DET][MAX_UP][MAX_BK] = {{{false}}};
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std::map<int, TH2F *> updn2DHistos;
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std::map<int, double> upCorrFactor;
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std::ofstream outFile("sx3_GainMatch.txt");
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if (!outFile.is_open())
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@ -185,11 +204,9 @@ void GainMatchSX3::Terminate()
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return;
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}
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// === Updated dataPoints type ===
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// std::map<std::tuple<int, int, int>, std::vector<std::tuple<double, double, double>>> dataPoints;
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// Gain fit using up+dn vs bk
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for (const auto &kv : dataPoints)
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{
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auto [id, ud, bk] = kv.first;
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const auto &pts = kv.second;
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@ -228,6 +245,13 @@ void GainMatchSX3::Terminate()
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}
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}
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for (int bk = 0; bk < MAX_BK; ++bk)
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{
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TString name = Form("hUpDnVsBk_%d", bk);
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TString title = Form("Up/Bk vs Dn/Bk for Back %d;Dn/Bk;Up/Bk", bk);
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updn2DHistos[bk] = new TH2F(name, title, 400, 0, 1, 400, 0, 1);
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}
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outFile.close();
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std::cout << "Gain matching complete." << std::endl;
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@ -251,7 +275,7 @@ void GainMatchSX3::Terminate()
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std::tie(eBk, eUp, eDn) = pr;
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double updn = eUp + eDn;
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if (updn == 0)
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if (updn == 0|| eBk == 0)
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continue;
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double asym = (eUp - eDn) / updn;
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@ -259,9 +283,54 @@ void GainMatchSX3::Terminate()
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hFVB->Fill(correctedBack, updn);
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hAsym->Fill(eUp / correctedBack, eDn / correctedBack);
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updn2DHistos[bk]->Fill(eUp / correctedBack, eDn / correctedBack);
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// hAsym->()
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}
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}
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for (auto &[bk, h2] : updn2DHistos)
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{
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// Project along diagonal
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TProfile *prof = h2->ProfileY(Form("prof_bk%d", bk), 1, h2->GetNbinsX(), "s");
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TF1 *fitLine = new TF1("fitLine", "[0]*x", 0, 1);
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fitLine->SetParameters(-1, 0.5); // initial guess: slope -1
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prof->Fit(fitLine, "QNR");
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double slope = fitLine->GetParameter(0);
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if (slope == 0)
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{
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slope = 1e-6; // prevent div-by-zero
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}
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// double corr = slope / -1.0;
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upCorrFactor[bk] = -1.0 / slope;
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printf("Back %d: Fit slope = %.4f → Up correction factor = %.4f\n", bk, slope, upCorrFactor[bk]);
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}
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TH2F *hFVB_Corr = new TH2F("hFVB_Corr", "Corrected Up+Dn vs Back;Back E;Corrected Up+Dn E",
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400, 0, 16000, 400, 0, 16000);
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TH2F *hAsym_Corr = new TH2F("hAsym_Corr", "Corrected Up/Bk vs Dn/Bk;Dn/Bk;Up/Bk",
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400, 0, 1.5, 400, 0, 1.5);
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for (const auto &kv : dataPoints)
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{
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auto [id, ud, bk] = kv.first;
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double factor = upCorrFactor.count(bk) ? upCorrFactor[bk] : 1.0;
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for (const auto &pr : kv.second)
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{
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double correctedBack, eUp, eDn;
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std::tie(correctedBack, eUp, eDn) = pr;
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double eUpCorr = eUp * factor;
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double eDnCorr = eDn;
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double eSumCorr = eUpCorr + eDnCorr;
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hFVB_Corr->Fill(correctedBack, eSumCorr);
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hAsym_Corr->Fill(eDnCorr / correctedBack, eUpCorr / correctedBack);
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}
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}
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// Optional: save histograms to a file
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// TFile *outHist = new TFile("sx3_gainmatch_hists.root", "RECREATE");
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// hFVB->Write();
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