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  // Declare constants
  static const Double_t clk2tdc     = 0.100;
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  static const Double_t clk2adc     = 0.0625;
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  static const UInt_t   ndcRefTimes = 10;

  static const UInt_t nbars_1x = 13;
  static const UInt_t nbars_1y = 13;
  static const UInt_t nbars_2x = 14;
  static const UInt_t nbars_2y = 21;

  static const UInt_t nshwr_blks      = 224;
  static const UInt_t npos_pshwr_blks = 14;
  static const UInt_t nneg_pshwr_blks = 14;

  static const UInt_t nhgc_pmts = 4;
  static const UInt_t nngc_pmts = 4;

  static const UInt_t npos_aero_pmts = 7;
  static const UInt_t nneg_aero_pmts = 7; 

  static const UInt_t maxTdcHits = 128;
  static const UInt_t maxAdcHits = 4;

  // =:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:

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  // Declare variables
  Double_t p1X_tdcTime, p1Y_tdcTime, p2X_tdcTime, p2Y_tdcTime;
  Double_t p1T_tdcTime, p2T_tdcTime;
  Double_t pT1_tdcTime, pT2_tdcTime, pT3_tdcTime;
  Double_t pDCREF_tdcTime[ndcRefTimes];
  // Hodoscope hits
  Int_t    p1X_negAdcHits, p1Y_negAdcHits, p2X_negAdcHits, p2Y_negAdcHits;
  Int_t    p1X_negTdcHits, p1Y_negTdcHits, p2X_negTdcHits, p2Y_negTdcHits;
  Double_t p1X_negAdcPaddle[maxAdcHits*nbars_1x], p1Y_negAdcPaddle[maxAdcHits*nbars_1y];
  Double_t p2X_negAdcPaddle[maxAdcHits*nbars_2x], p2Y_negAdcPaddle[maxAdcHits*nbars_2y];
  Double_t p1X_negTdcPaddle[maxTdcHits*nbars_1x], p1Y_negTdcPaddle[maxTdcHits*nbars_1y];
  Double_t p2X_negTdcPaddle[maxTdcHits*nbars_2x], p2Y_negTdcPaddle[maxTdcHits*nbars_2y];
  Double_t p1X_negAdcPulseTime[maxAdcHits*nbars_1x], p1Y_negAdcPulseTime[maxAdcHits*nbars_1y];
  Double_t p2X_negAdcPulseTime[maxAdcHits*nbars_2x], p2Y_negAdcPulseTime[maxAdcHits*nbars_2y];
  Double_t p1X_negTdcTime[maxTdcHits*nbars_1x], p1Y_negTdcTime[maxTdcHits*nbars_1y];
  Double_t p2X_negTdcTime[maxTdcHits*nbars_2x], p2Y_negTdcTime[maxTdcHits*nbars_2y];
  Int_t    p1X_posAdcHits, p1Y_posAdcHits, p2X_posAdcHits, p2Y_posAdcHits;
  Int_t    p1X_posTdcHits, p1Y_posTdcHits, p2X_posTdcHits, p2Y_posTdcHits;
  Double_t p1X_posAdcPaddle[maxAdcHits*nbars_1x], p1Y_posAdcPaddle[maxAdcHits*nbars_1y];
  Double_t p2X_posAdcPaddle[maxAdcHits*nbars_2x], p2Y_posAdcPaddle[maxAdcHits*nbars_2y];
  Double_t p1X_posTdcPaddle[maxTdcHits*nbars_1x], p1Y_posTdcPaddle[maxTdcHits*nbars_1y];
  Double_t p2X_posTdcPaddle[maxTdcHits*nbars_2x], p2Y_posTdcPaddle[maxTdcHits*nbars_2y];
  Double_t p1X_posAdcPulseTime[maxAdcHits*nbars_1x], p1Y_posAdcPulseTime[maxAdcHits*nbars_1y];
  Double_t p2X_posAdcPulseTime[maxAdcHits*nbars_2x], p2Y_posAdcPulseTime[maxAdcHits*nbars_2y];
  Double_t p1X_posTdcTime[maxTdcHits*nbars_1x], p1Y_posTdcTime[maxTdcHits*nbars_1y];
  Double_t p2X_posTdcTime[maxTdcHits*nbars_2x], p2Y_posTdcTime[maxTdcHits*nbars_2y];

  // "Good" hodo hits
  Int_t    p1X_nGoodHodoHits, p1Y_nGoodHodoHits, p2X_nGoodHodoHits, p2Y_nGoodHodoHits;
  Double_t p1X_goodPaddle[maxAdcHits*nbars_1x], p1Y_goodPaddle[maxAdcHits*nbars_1y];
  Double_t p2X_goodPaddle[maxAdcHits*nbars_2x], p2Y_goodPaddle[maxAdcHits*nbars_2y];
  Double_t p1X_goodNegTdcTimeCorr[maxTdcHits*nbars_1x], p1Y_goodNegTdcTimeCorr[maxTdcHits*nbars_1y];
  Double_t p2X_goodNegTdcTimeCorr[maxTdcHits*nbars_2x], p2Y_goodNegTdcTimeCorr[maxTdcHits*nbars_2y];
  Double_t p1X_goodPosTdcTimeCorr[maxTdcHits*nbars_1x], p1Y_goodPosTdcTimeCorr[maxTdcHits*nbars_1y];
  Double_t p2X_goodPosTdcTimeCorr[maxTdcHits*nbars_2x], p2Y_goodPosTdcTimeCorr[maxTdcHits*nbars_2y];
  // Hodoscope focal plane times
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  Double_t p1X_fpTime, p1Y_fpTime, p2X_fpTime, p2Y_fpTime;
  Double_t p1X_plTime, p1Y_plTime, p2X_plTime, p2Y_plTime;

  // Aerogel ADC
  Int_t paero_posHits, paero_negHits;
  Double_t paero_posPmt[maxAdcHits*npos_aero_pmts], paero_negPmt[maxAdcHits*nneg_aero_pmts];
  Double_t paero_posPulseTime[maxAdcHits*npos_aero_pmts], paero_negPulseTime[maxAdcHits*nneg_aero_pmts];
  Long64_t nentries;

  // =:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:

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  // Declare Histos
  TH1F *h_p1X_tdc, *h_p1Y_tdc, *h_p2X_tdc, *h_p2Y_tdc;
  TH1F *h_p1T_tdc, *h_p2T_tdc;
  TH1F *h_pT1_tdc, *h_pT2_tdc, *h_pT3_tdc;
  TH1F *h_p1XmpT2_tdc, *h_p1YmpT2_tdc, *h_p2XmpT2_tdc, *h_p2YmpT2_tdc;
  TH1F *h_p1XmpT3_tdc, *h_p1YmpT3_tdc, *h_p2XmpT3_tdc, *h_p2YmpT3_tdc;
  TH1F *h_p1TmpT2_tdc, *h_p2TmpT2_tdc, *h_p1TmpT3_tdc, *h_p2TmpT3_tdc;
  TH1F *h_pDCREF_tdc[ndcRefTimes];

  TH2F *h2_p1Xneg_pt_tt_diff, *h2_p1Yneg_pt_tt_diff, *h2_p2Xneg_pt_tt_diff, *h2_p2Yneg_pt_tt_diff;
  TH2F *h2_p1Xpos_pt_tt_diff, *h2_p1Ypos_pt_tt_diff, *h2_p2Xpos_pt_tt_diff, *h2_p2Ypos_pt_tt_diff;
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  TH1F *h_p1X_fpTime, *h_p1Y_fpTime, *h_p2X_fpTime, *h_p2Y_fpTime;
  TH1F *h_p1X_plTime, *h_p1Y_plTime, *h_p2X_plTime, *h_p2Y_plTime;

  TH2F *h2_p1X_negTdcCorr, *h2_p1Y_negTdcCorr, *h2_p2X_negTdcCorr, *h2_p2Y_negTdcCorr;
  TH2F *h2_p1X_posTdcCorr, *h2_p1Y_posTdcCorr, *h2_p2X_posTdcCorr, *h2_p2Y_posTdcCorr;
  TH2F *h2_p1X_tdcCorrDiff, *h2_p1Y_tdcCorrDiff, *h2_p2X_tdcCorrDiff, *h2_p2Y_tdcCorrDiff;

  TH2F *h2_paero_posPulseTime, *h2_paero_negPulseTime;

  // =:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:
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  // Declare trees
  TTree *T = (TTree*) gDirectory->Get("T");

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  // Acquire the number of entries
  nentries = T->GetEntries();

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  // Acquire the branches
  // Trigger time information
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  T->SetBranchAddress("T.shms.p1X_tdcTime", &p1X_tdcTime);
  T->SetBranchAddress("T.shms.p1Y_tdcTime", &p1Y_tdcTime);
  T->SetBranchAddress("T.shms.p2X_tdcTime", &p2X_tdcTime);
  T->SetBranchAddress("T.shms.p2Y_tdcTime", &p2Y_tdcTime);
  T->SetBranchAddress("T.shms.p1T_tdcTime", &p1T_tdcTime);
  T->SetBranchAddress("T.shms.p2T_tdcTime", &p2T_tdcTime);
  T->SetBranchAddress("T.shms.pT1_tdcTime", &pT1_tdcTime);
  T->SetBranchAddress("T.shms.pT2_tdcTime", &pT2_tdcTime);
  T->SetBranchAddress("T.shms.pT3_tdcTime", &pT3_tdcTime);

  // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//

  // DC reference times
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  for (UInt_t iref = 0; iref < ndcRefTimes; iref++)
    T->SetBranchAddress(Form("T.shms.pDCREF%d_tdcTime", iref+1), &pDCREF_tdcTime[iref]);

  // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//

  // Hodoscope focal plane time calculation
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  T->SetBranchAddress("P.hod.1x.fptime", &p1X_fpTime);
  T->SetBranchAddress("P.hod.1y.fptime", &p1Y_fpTime);
  T->SetBranchAddress("P.hod.2x.fptime", &p2X_fpTime);
  T->SetBranchAddress("P.hod.2y.fptime", &p2Y_fpTime);

  // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//

  // Hodoscope ADC information
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  T->SetBranchAddress("Ndata.P.hod.1x.negAdcCounter", &p1X_negAdcHits);
  T->SetBranchAddress("Ndata.P.hod.1y.negAdcCounter", &p1Y_negAdcHits);
  T->SetBranchAddress("Ndata.P.hod.2x.negAdcCounter", &p2X_negAdcHits);
  T->SetBranchAddress("Ndata.P.hod.2y.negAdcCounter", &p2Y_negAdcHits);
  T->SetBranchAddress("P.hod.1x.negAdcCounter", p1X_negAdcPaddle);
  T->SetBranchAddress("P.hod.1y.negAdcCounter", p1Y_negAdcPaddle);
  T->SetBranchAddress("P.hod.2x.negAdcCounter", p2X_negAdcPaddle);
  T->SetBranchAddress("P.hod.2y.negAdcCounter", p2Y_negAdcPaddle);
  T->SetBranchAddress("P.hod.1x.negAdcPulseTimeRaw", p1X_negAdcPulseTime);
  T->SetBranchAddress("P.hod.1y.negAdcPulseTimeRaw", p1Y_negAdcPulseTime);
  T->SetBranchAddress("P.hod.2x.negAdcPulseTimeRaw", p2X_negAdcPulseTime);
  T->SetBranchAddress("P.hod.2y.negAdcPulseTimeRaw", p2Y_negAdcPulseTime);
  T->SetBranchAddress("Ndata.P.hod.1x.posAdcCounter", &p1X_posAdcHits);
  T->SetBranchAddress("Ndata.P.hod.1y.posAdcCounter", &p1Y_posAdcHits);
  T->SetBranchAddress("Ndata.P.hod.2x.posAdcCounter", &p2X_posAdcHits);
  T->SetBranchAddress("Ndata.P.hod.2y.posAdcCounter", &p2Y_posAdcHits);
  T->SetBranchAddress("P.hod.1x.posAdcCounter", p1X_posAdcPaddle);
  T->SetBranchAddress("P.hod.1y.posAdcCounter", p1Y_posAdcPaddle);
  T->SetBranchAddress("P.hod.2x.posAdcCounter", p2X_posAdcPaddle);
  T->SetBranchAddress("P.hod.2y.posAdcCounter", p2Y_posAdcPaddle);
  T->SetBranchAddress("P.hod.1x.posAdcPulseTimeRaw", p1X_posAdcPulseTime);
  T->SetBranchAddress("P.hod.1y.posAdcPulseTimeRaw", p1Y_posAdcPulseTime);
  T->SetBranchAddress("P.hod.2x.posAdcPulseTimeRaw", p2X_posAdcPulseTime);
  T->SetBranchAddress("P.hod.2y.posAdcPulseTimeRaw", p2Y_posAdcPulseTime);
  // Hodoscope TDC information
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  T->SetBranchAddress("Ndata.P.hod.1x.negTdcCounter", &p1X_negTdcHits);
  T->SetBranchAddress("Ndata.P.hod.1y.negTdcCounter", &p1Y_negTdcHits);
  T->SetBranchAddress("Ndata.P.hod.2x.negTdcCounter", &p2X_negTdcHits);
  T->SetBranchAddress("Ndata.P.hod.2y.negTdcCounter", &p2Y_negTdcHits);
  T->SetBranchAddress("P.hod.1x.negTdcCounter", p1X_negTdcPaddle);
  T->SetBranchAddress("P.hod.1y.negTdcCounter", p1Y_negTdcPaddle);
  T->SetBranchAddress("P.hod.2x.negTdcCounter", p2X_negTdcPaddle);
  T->SetBranchAddress("P.hod.2y.negTdcCounter", p2Y_negTdcPaddle);
  T->SetBranchAddress("P.hod.1x.negTdcTime", p1X_negTdcTime);
  T->SetBranchAddress("P.hod.1y.negTdcTime", p1Y_negTdcTime);
  T->SetBranchAddress("P.hod.2x.negTdcTime", p2X_negTdcTime);
  T->SetBranchAddress("P.hod.2y.negTdcTime", p2Y_negTdcTime);
  T->SetBranchAddress("Ndata.P.hod.1x.posTdcCounter", &p1X_posTdcHits);
  T->SetBranchAddress("Ndata.P.hod.1y.posTdcCounter", &p1Y_posTdcHits);
  T->SetBranchAddress("Ndata.P.hod.2x.posTdcCounter", &p2X_posTdcHits);
  T->SetBranchAddress("Ndata.P.hod.2y.posTdcCounter", &p2Y_posTdcHits);
  T->SetBranchAddress("P.hod.1x.posTdcCounter", p1X_posTdcPaddle);
  T->SetBranchAddress("P.hod.1y.posTdcCounter", p1Y_posTdcPaddle);
  T->SetBranchAddress("P.hod.2x.posTdcCounter", p2X_posTdcPaddle);
  T->SetBranchAddress("P.hod.2y.posTdcCounter", p2Y_posTdcPaddle);
  T->SetBranchAddress("P.hod.1x.posTdcTime", p1X_posTdcTime);
  T->SetBranchAddress("P.hod.1y.posTdcTime", p1Y_posTdcTime);
  T->SetBranchAddress("P.hod.2x.posTdcTime", p2X_posTdcTime);
  T->SetBranchAddress("P.hod.2y.posTdcTime", p2Y_posTdcTime);

  // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//

  // "Good" hodoscope hits
  // Hodoscope corrected times (not corrected for TOF to focal plane)
  T->SetBranchAddress("Ndata.P.hod.1x.GoodPaddle", &p1X_nGoodHodoHits);
  T->SetBranchAddress("Ndata.P.hod.1y.GoodPaddle", &p1Y_nGoodHodoHits);
  T->SetBranchAddress("Ndata.P.hod.2x.GoodPaddle", &p2X_nGoodHodoHits);
  T->SetBranchAddress("Ndata.P.hod.2y.GoodPaddle", &p2Y_nGoodHodoHits);
  T->SetBranchAddress("P.hod.1x.GoodPaddle", p1X_goodPaddle);
  T->SetBranchAddress("P.hod.1y.GoodPaddle", p1Y_goodPaddle);
  T->SetBranchAddress("P.hod.2x.GoodPaddle", p2X_goodPaddle);
  T->SetBranchAddress("P.hod.2y.GoodPaddle", p2Y_goodPaddle);
  T->SetBranchAddress("P.hod.1x.GoodNegTdcTimeCorr", p1X_goodNegTdcTimeCorr);
  T->SetBranchAddress("P.hod.1y.GoodNegTdcTimeCorr", p1Y_goodNegTdcTimeCorr);
  T->SetBranchAddress("P.hod.2x.GoodNegTdcTimeCorr", p2X_goodNegTdcTimeCorr);
  T->SetBranchAddress("P.hod.2y.GoodNegTdcTimeCorr", p2Y_goodNegTdcTimeCorr); 
  T->SetBranchAddress("P.hod.1x.GoodPosTdcTimeCorr", p1X_goodPosTdcTimeCorr);
  T->SetBranchAddress("P.hod.1y.GoodPosTdcTimeCorr", p1Y_goodPosTdcTimeCorr);
  T->SetBranchAddress("P.hod.2x.GoodPosTdcTimeCorr", p2X_goodPosTdcTimeCorr);
  T->SetBranchAddress("P.hod.2y.GoodPosTdcTimeCorr", p2Y_goodPosTdcTimeCorr); 

  // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//

  T->SetBranchAddress("Ndata.P.aero.negAdcCounter", &paero_negHits);
  T->SetBranchAddress("Ndata.P.aero.posAdcCounter", &paero_posHits);
  T->SetBranchAddress("P.aero.negAdcCounter", paero_negPmt);
  T->SetBranchAddress("P.aero.posAdcCounter", paero_posPmt);
  T->SetBranchAddress("P.aero.negAdcPulseTimeRaw", paero_negPulseTime);
  T->SetBranchAddress("P.aero.posAdcPulseTimeRaw", paero_posPulseTime);

  // =:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:
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  // Create histos

  // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//

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  h_p1X_tdc = new TH1F("h_p1X_tdc", "S1X Coincidence Time; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p1Y_tdc = new TH1F("h_p1Y_tdc", "S1Y Coincidence Time; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p2X_tdc = new TH1F("h_p2X_tdc", "S2X Coincidence Time; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p2Y_tdc = new TH1F("h_p2Y_tdc", "S2Y Coincidence Time; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p1T_tdc = new TH1F("h_p1T_tdc", "S1X/S1Y Coincidence Time; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p2T_tdc = new TH1F("h_p2T_tdc", "S2X/S2Y Coincidence Time; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_pT1_tdc = new TH1F("h_pT1_tdc", "Hodoscope Trigger (Slot 20 Channel 15); TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_pT2_tdc = new TH1F("h_pT2_tdc", "Hodoscope Trigger (Slot 19 Channel 31); TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_pT3_tdc = new TH1F("h_pT3_tdc", "Hodoscope Trigger (Slot 19 Channel 38); TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  for (UInt_t iref = 0; iref < ndcRefTimes; iref++)
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    h_pDCREF_tdc[iref] = new TH1F(Form("h_pDCREF%d_tdc", iref+1), Form("DC Reference Time %d; TDC Time (ns); Counts / 1 ns", iref+1), 200, 1200, 1400);
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  h_p1XmpT2_tdc = new TH1F("h_p1XmpT2_tdc", "Hodoscope Trigger (Slot 19 Channel 31) - S1X; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p1YmpT2_tdc = new TH1F("h_p1YmpT2_tdc", "Hodoscope Trigger (Slot 19 Channel 31) - S1Y; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p2XmpT2_tdc = new TH1F("h_p2XmpT2_tdc", "Hodoscope Trigger (Slot 19 Channel 31) - S2X; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p2YmpT2_tdc = new TH1F("h_p2YmpT2_tdc", "Hodoscope Trigger (Slot 19 Channel 31) - S2Y; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p1TmpT2_tdc = new TH1F("h_p1TmpT2_tdc", "Hodoscope Trigger (Slot 19 Channel 31) - S1; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p2TmpT2_tdc = new TH1F("h_p2TmpT2_tdc", "Hodoscope Trigger (Slot 19 Channel 31) - S2; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p1XmpT3_tdc = new TH1F("h_p1XmpT3_tdc", "Hodoscope Trigger (Slot 19 Channel 38) - S1X; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p1YmpT3_tdc = new TH1F("h_p1YmpT3_tdc", "Hodoscope Trigger (Slot 19 Channel 38) - S1Y; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p2XmpT3_tdc = new TH1F("h_p2XmpT3_tdc", "Hodoscope Trigger (Slot 19 Channel 38) - S2X; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p2YmpT3_tdc = new TH1F("h_p2YmpT3_tdc", "Hodoscope Trigger (Slot 19 Channel 38) - S2Y; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p1TmpT3_tdc = new TH1F("h_p1TmpT3_tdc", "Hodoscope Trigger (Slot 19 Channel 38) - S1; TDC Time (ns); Counts / 1 ns", 200, 0, 200);
  h_p2TmpT3_tdc = new TH1F("h_p2TmpT3_tdc", "Hodoscope Trigger (Slot 19 Channel 38) - S2; TDC Time (ns); Counts / 1 ns", 200, 0, 200);

  // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//

  h2_p1Xneg_pt_tt_diff = new TH2F("h2_p1Xneg_pt_tt_diff", "S1X- Pulse Time - TDC Time; Pulse Time - TDC Time (ns); Counts / 1 ns", nbars_1x, 0.5, nbars_1x + 0.5, 300, 0, 300);
  h2_p1Yneg_pt_tt_diff = new TH2F("h2_p1Yneg_pt_tt_diff", "S1Y- Pulse Time - TDC Time; Pulse Time - TDC Time (ns); Counts / 1 ns", nbars_1y, 0.5, nbars_1y + 0.5, 300, 0, 300);
  h2_p2Xneg_pt_tt_diff = new TH2F("h2_p2Xneg_pt_tt_diff", "S2X- Pulse Time - TDC Time; Pulse Time - TDC Time (ns); Counts / 1 ns", nbars_2x, 0.5, nbars_2x + 0.5, 300, 0, 300);
  h2_p2Yneg_pt_tt_diff = new TH2F("h2_p2Yneg_pt_tt_diff", "S2Y- Pulse Time - TDC Time; Pulse Time - TDC Time (ns); Counts / 1 ns", nbars_2y, 0.5, nbars_2y + 0.5, 300, 0, 300);
  h2_p1Xpos_pt_tt_diff = new TH2F("h2_p1Xpos_pt_tt_diff", "S1X- Pulse Time - TDC Time; Pulse Time - TDC Time (ns); Counts / 1 ns", nbars_1x, 0.5, nbars_1x + 0.5, 300, 0, 300);
  h2_p1Ypos_pt_tt_diff = new TH2F("h2_p1Ypos_pt_tt_diff", "S1Y- Pulse Time - TDC Time; Pulse Time - TDC Time (ns); Counts / 1 ns", nbars_1y, 0.5, nbars_1y + 0.5, 300, 0, 300);
  h2_p2Xpos_pt_tt_diff = new TH2F("h2_p2Xpos_pt_tt_diff", "S2X- Pulse Time - TDC Time; Pulse Time - TDC Time (ns); Counts / 1 ns", nbars_2x, 0.5, nbars_2x + 0.5, 300, 0, 300);
  h2_p2Ypos_pt_tt_diff = new TH2F("h2_p2Ypos_pt_tt_diff", "S2Y- Pulse Time - TDC Time; Pulse Time - TDC Time (ns); Counts / 1 ns", nbars_2y, 0.5, nbars_2y + 0.5, 300, 0, 300);

  // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//

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  h_p1X_fpTime = new TH1F("h_p1X_fpTime", "S1X Focal Plane Time; TDC Time (ns); Counts / 1ns", 100, 0, 100);
  h_p1Y_fpTime = new TH1F("h_p1Y_fpTime", "S1Y Focal Plane Time; TDC Time (ns); Counts / 1ns", 100, 0, 100);
  h_p2X_fpTime = new TH1F("h_p2X_fpTime", "S2X Focal Plane Time; TDC Time (ns); Counts / 1ns", 100, 0, 100);
  h_p2Y_fpTime = new TH1F("h_p2Y_fpTime", "S2Y Focal Plane Time; TDC Time (ns); Counts / 1ns", 100, 0, 100);

  h_p1X_plTime = new TH1F("h_p1X_plTime", "S1X Plane Time; TDC Time (ns); Counts / 1ns", 100, 0, 100);
  h_p1Y_plTime = new TH1F("h_p1Y_plTime", "S1Y Plane Time; TDC Time (ns); Counts / 1ns", 100, 0, 100);
  h_p2X_plTime = new TH1F("h_p2X_plTime", "S2X Plane Time; TDC Time (ns); Counts / 1ns", 100, 0, 100);
  h_p2Y_plTime = new TH1F("h_p2Y_plTime", "S2Y Plane Time; TDC Time (ns); Counts / 1ns", 100, 0, 100);

  // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//

  h2_p1X_negTdcCorr = new TH2F("h2_p1X_negTdcCorr", "S1X- Corrected TDC Time vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_1x, 0.5, nbars_1x + 0.5, 100, 0, 100);
  h2_p1Y_negTdcCorr = new TH2F("h2_p1Y_negTdcCorr", "S1Y- Corrected TDC Time vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_1y, 0.5, nbars_1y + 0.5, 100, 0, 100);
  h2_p2X_negTdcCorr = new TH2F("h2_p2X_negTdcCorr", "S2X- Corrected TDC Time vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_2x, 0.5, nbars_2x + 0.5, 100, 0, 100);
  h2_p2Y_negTdcCorr = new TH2F("h2_p2Y_negTdcCorr", "S2Y- Corrected TDC Time vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_2y, 0.5, nbars_2y + 0.5, 100, 0, 100);
  h2_p1X_posTdcCorr = new TH2F("h2_p1X_posTdcCorr", "S1X+ Corrected TDC Time vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_1x, 0.5, nbars_1x + 0.5, 100, 0, 100);
  h2_p1Y_posTdcCorr = new TH2F("h2_p1Y_posTdcCorr", "S1Y+ Corrected TDC Time vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_1y, 0.5, nbars_1y + 0.5, 100, 0, 100);
  h2_p2X_posTdcCorr = new TH2F("h2_p2X_posTdcCorr", "S2X+ Corrected TDC Time vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_2x, 0.5, nbars_2x + 0.5, 100, 0, 100);
  h2_p2Y_posTdcCorr = new TH2F("h2_p2Y_posTdcCorr", "S2Y+ Corrected TDC Time vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_2y, 0.5, nbars_2y + 0.5, 100, 0, 100);
  h2_p1X_tdcCorrDiff = new TH2F("h2_p1X_tdcCorrDiff", "S1X-/S1X+ Corrected TDC Time Difference vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_1x, 0.5, nbars_1x + 0.5, 100, -50, 50);
  h2_p1Y_tdcCorrDiff = new TH2F("h2_p1Y_tdcCorrDiff", "S1Y-/S1Y+ Corrected TDC Time Difference vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_1y, 0.5, nbars_1y + 0.5, 100, -50, 50);
  h2_p2X_tdcCorrDiff = new TH2F("h2_p2X_tdcCorrDiff", "S2X-/S2X+ Corrected TDC Time Difference vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_2x, 0.5, nbars_2x + 0.5, 100, -50, 50);
  h2_p2Y_tdcCorrDiff = new TH2F("h2_p2Y_tdcCorrDiff", "S2Y-/S2Y+ Corrected TDC Time Difference vs. Paddle Number; Paddle Number; TDC Time (ns)", nbars_2y, 0.5, nbars_2y + 0.5, 100, -50, 50);

  // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//

  h2_paero_negPulseTime = new TH2F("h2_paero_negPulseTime", "SHMS Negative Aerogel ADC Pulse Time; PMT Number; ADC Pulse Time - Trigger Time (ns)", nneg_aero_pmts, 0.5, nneg_aero_pmts + 0.5, 500, 0, 500);
  h2_paero_posPulseTime = new TH2F("h2_paero_posPulseTime", "SHMS Positive Aerogel ADC Pulse Time; PMT Number; ADC Pulse Time - Trigger Time (ns)", npos_aero_pmts, 0.5, npos_aero_pmts + 0.5, 500, 0, 500);
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  // =:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:
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  // Loop of entries in tree
  for(UInt_t ievent = 0; ievent < nentries; ievent++) {
    
    T->GetEntry(ievent);
    // cout << "========================" << endl;
    // cout << "Event Number = " << ievent << endl;
    // cout << "========================" << endl;
    for (UInt_t iaerohit = 0; iaerohit < paero_negHits; iaerohit++)
      h2_paero_negPulseTime->Fill(paero_negPmt[iaerohit], paero_negPulseTime[iaerohit]*clk2adc);
    for (UInt_t iaerohit = 0; iaerohit < paero_posHits; iaerohit++)
      h2_paero_posPulseTime->Fill(paero_posPmt[iaerohit], paero_posPulseTime[iaerohit]*clk2adc);
      

    // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==

    // Fill "good" hit histos
    for (UInt_t igoodhit = 0; igoodhit < p1X_nGoodHodoHits; igoodhit++) {
      h2_p1X_negTdcCorr->Fill(p1X_goodPaddle[igoodhit], p1X_goodNegTdcTimeCorr[igoodhit]);
      h2_p1X_posTdcCorr->Fill(p1X_goodPaddle[igoodhit], p1X_goodPosTdcTimeCorr[igoodhit]);
      h2_p1X_tdcCorrDiff->Fill(p1X_goodPaddle[igoodhit], p1X_goodPosTdcTimeCorr[igoodhit] - p1X_goodNegTdcTimeCorr[igoodhit]);
      if (TMath::Abs(p1X_goodPosTdcTimeCorr[igoodhit] - p1X_goodNegTdcTimeCorr[igoodhit]) > 0.1) continue;
      h_p1X_plTime->Fill(p1X_goodPosTdcTimeCorr[igoodhit]);
    }
    for (UInt_t igoodhit = 0; igoodhit < p1Y_nGoodHodoHits; igoodhit++) {
      h2_p1Y_negTdcCorr->Fill(p1Y_goodPaddle[igoodhit], p1Y_goodNegTdcTimeCorr[igoodhit]);
      h2_p1Y_posTdcCorr->Fill(p1Y_goodPaddle[igoodhit], p1Y_goodPosTdcTimeCorr[igoodhit]);
      h2_p1Y_tdcCorrDiff->Fill(p1Y_goodPaddle[igoodhit], p1Y_goodPosTdcTimeCorr[igoodhit] - p1Y_goodNegTdcTimeCorr[igoodhit]);
      if (TMath::Abs(p1Y_goodPosTdcTimeCorr[igoodhit] - p1Y_goodNegTdcTimeCorr[igoodhit]) > 0.1) continue;
      h_p1Y_plTime->Fill(p1Y_goodPosTdcTimeCorr[igoodhit]);
    }
    for (UInt_t igoodhit = 0; igoodhit < p2X_nGoodHodoHits; igoodhit++) {
      h2_p2X_negTdcCorr->Fill(p2X_goodPaddle[igoodhit], p2X_goodNegTdcTimeCorr[igoodhit]);
      h2_p2X_posTdcCorr->Fill(p2X_goodPaddle[igoodhit], p2X_goodPosTdcTimeCorr[igoodhit]);
      h2_p2X_tdcCorrDiff->Fill(p2X_goodPaddle[igoodhit], p2X_goodPosTdcTimeCorr[igoodhit] - p2X_goodNegTdcTimeCorr[igoodhit]);
      if (TMath::Abs(p2X_goodPosTdcTimeCorr[igoodhit] - p2X_goodNegTdcTimeCorr[igoodhit]) > 0.1) continue;
      h_p2X_plTime->Fill(p2X_goodPosTdcTimeCorr[igoodhit]);
    }
    for (UInt_t igoodhit = 0; igoodhit < p2Y_nGoodHodoHits; igoodhit++) {
      h2_p2Y_negTdcCorr->Fill(p2Y_goodPaddle[igoodhit], p2Y_goodNegTdcTimeCorr[igoodhit]);
      h2_p2Y_posTdcCorr->Fill(p2Y_goodPaddle[igoodhit], p2Y_goodPosTdcTimeCorr[igoodhit]);
      h2_p2Y_tdcCorrDiff->Fill(p2Y_goodPaddle[igoodhit], p2Y_goodPosTdcTimeCorr[igoodhit] - p2Y_goodNegTdcTimeCorr[igoodhit]);
      if (TMath::Abs(p2Y_goodPosTdcTimeCorr[igoodhit] - p2Y_goodNegTdcTimeCorr[igoodhit]) > 0.1) continue;
      h_p2Y_plTime->Fill(p2Y_goodPosTdcTimeCorr[igoodhit]);
    // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==

    // Fill pulse/tdc time difference histos

    // cout << "Num of ADC Hits = " << p1X_negAdcHits << endl;
    // cout << "ADC Paddle Number = " << p1X_negAdcPaddle[iadchit] << endl;
    // cout << "Num of TDC Hits = " << p1X_negTdcHits << endl;
    // cout << "TDC Paddle Number = " << p1X_negTdcPaddle[itdchit] << endl;
    for (UInt_t iadchit = 0; iadchit < p1X_negAdcHits; iadchit++) {
      for (UInt_t itdchit = 0; itdchit < p1X_negTdcHits; itdchit++) {
	if (p1X_negAdcPaddle[iadchit] != p1X_negTdcPaddle[itdchit]) continue;
	h2_p1Xneg_pt_tt_diff->Fill(p1X_negAdcPaddle[iadchit], p1X_negAdcPulseTime[iadchit]*clk2adc - p1X_negTdcTime[itdchit]*clk2tdc);
      }
    }
    for (UInt_t iadchit = 0; iadchit < p1Y_negAdcHits; iadchit++) {
      for (UInt_t itdchit = 0; itdchit < p1Y_negTdcHits; itdchit++) {
	if (p1Y_negAdcPaddle[iadchit] != p1Y_negTdcPaddle[itdchit]) continue;
	h2_p1Yneg_pt_tt_diff->Fill(p1Y_negAdcPaddle[iadchit], p1Y_negAdcPulseTime[iadchit]*clk2adc - p1Y_negTdcTime[itdchit]*clk2tdc);
      }
    }
    for (UInt_t iadchit = 0; iadchit < p2X_negAdcHits; iadchit++) {
      for (UInt_t itdchit = 0; itdchit < p2X_negTdcHits; itdchit++) {
	if (p2X_negAdcPaddle[iadchit] != p2X_negTdcPaddle[itdchit]) continue;
	h2_p2Xneg_pt_tt_diff->Fill(p2X_negAdcPaddle[iadchit], p2X_negAdcPulseTime[iadchit]*clk2adc - p2X_negTdcTime[itdchit]*clk2tdc);
      }
    }
    for (UInt_t iadchit = 0; iadchit < p2Y_negAdcHits; iadchit++) {
      for (UInt_t itdchit = 0; itdchit < p2Y_negTdcHits; itdchit++) {
	if (p2Y_negAdcPaddle[iadchit] != p2Y_negTdcPaddle[itdchit]) continue;
	h2_p2Yneg_pt_tt_diff->Fill(p2Y_negAdcPaddle[iadchit], p2Y_negAdcPulseTime[iadchit]*clk2adc - p2Y_negTdcTime[itdchit]*clk2tdc);
      }
    }
    for (UInt_t iadchit = 0; iadchit < p1X_posAdcHits; iadchit++) {
      for (UInt_t itdchit = 0; itdchit < p1X_posTdcHits; itdchit++) {
	if (p1X_posAdcPaddle[iadchit] != p1X_posTdcPaddle[itdchit]) continue;
	h2_p1Xpos_pt_tt_diff->Fill(p1X_posAdcPaddle[iadchit], p1X_posAdcPulseTime[iadchit]*clk2adc - p1X_posTdcTime[itdchit]*clk2tdc);
      }
    }
    for (UInt_t iadchit = 0; iadchit < p1Y_posAdcHits; iadchit++) {
      for (UInt_t itdchit = 0; itdchit < p1Y_posTdcHits; itdchit++) {
	if (p1Y_nGoodHodoHits < 1) continue;
	if (p1Y_posAdcPaddle[iadchit] != p1Y_posTdcPaddle[itdchit]) continue;
	h2_p1Ypos_pt_tt_diff->Fill(p1Y_posAdcPaddle[iadchit], p1Y_posAdcPulseTime[iadchit]*clk2adc - p1Y_posTdcTime[itdchit]*clk2tdc);
      }
    }
    for (UInt_t iadchit = 0; iadchit < p2X_posAdcHits; iadchit++) {
      for (UInt_t itdchit = 0; itdchit < p2X_posTdcHits; itdchit++) {
	if (p2X_posAdcPaddle[iadchit] != p2X_posTdcPaddle[itdchit]) continue;
	h2_p2Xpos_pt_tt_diff->Fill(p2X_posAdcPaddle[iadchit], p2X_posAdcPulseTime[iadchit]*clk2adc - p2X_posTdcTime[itdchit]*clk2tdc);
      }
    }
    for (UInt_t iadchit = 0; iadchit < p2Y_posAdcHits; iadchit++) {
      for (UInt_t itdchit = 0; itdchit < p2Y_posTdcHits; itdchit++) {
	if (p2Y_posAdcPaddle[iadchit] != p2Y_posTdcPaddle[itdchit]) continue;
	h2_p2Ypos_pt_tt_diff->Fill(p2Y_posAdcPaddle[iadchit], p2Y_posAdcPulseTime[iadchit]*clk2adc - p2Y_posTdcTime[itdchit]*clk2tdc);
    // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==

    // Fill trigger time histos
    h_p1X_tdc->Fill(p1X_tdcTime*clk2tdc);
    h_p1Y_tdc->Fill(p1Y_tdcTime*clk2tdc);
    h_p2X_tdc->Fill(p2X_tdcTime*clk2tdc); 
    h_p2Y_tdc->Fill(p2Y_tdcTime*clk2tdc);
    h_p1T_tdc->Fill(p1T_tdcTime*clk2tdc); 
    h_p2T_tdc->Fill(p2T_tdcTime*clk2tdc);

    h_pT1_tdc->Fill(pT1_tdcTime*clk2tdc); 
    h_pT2_tdc->Fill(pT2_tdcTime*clk2tdc); 
    h_pT3_tdc->Fill(pT3_tdcTime*clk2tdc);

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    for (UInt_t iref = 0; iref < ndcRefTimes; iref++)
      h_pDCREF_tdc[iref]->Fill(pDCREF_tdcTime[iref]*clk2tdc);

    h_p1XmpT2_tdc->Fill((pT2_tdcTime - p1X_tdcTime)*clk2tdc); 
    h_p1YmpT2_tdc->Fill((pT2_tdcTime - p1Y_tdcTime)*clk2tdc);
    h_p2XmpT2_tdc->Fill((pT2_tdcTime - p2X_tdcTime)*clk2tdc); 
    h_p2YmpT2_tdc->Fill((pT2_tdcTime - p2Y_tdcTime)*clk2tdc);
    h_p1TmpT2_tdc->Fill((pT2_tdcTime - p1T_tdcTime)*clk2tdc); 
    h_p2TmpT2_tdc->Fill((pT2_tdcTime - p2T_tdcTime)*clk2tdc);

    h_p1XmpT3_tdc->Fill((pT3_tdcTime - p1X_tdcTime)*clk2tdc); 
    h_p1YmpT3_tdc->Fill((pT3_tdcTime - p1Y_tdcTime)*clk2tdc);
    h_p2XmpT3_tdc->Fill((pT3_tdcTime - p2X_tdcTime)*clk2tdc); 
    h_p2YmpT3_tdc->Fill((pT3_tdcTime - p2Y_tdcTime)*clk2tdc);
    h_p1TmpT3_tdc->Fill((pT3_tdcTime - p1T_tdcTime)*clk2tdc); 
    h_p2TmpT3_tdc->Fill((pT3_tdcTime - p2T_tdcTime)*clk2tdc);

    // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==

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    h_p1X_fpTime->Fill(p1X_fpTime); h_p1Y_fpTime->Fill(p1Y_fpTime);
    h_p2X_fpTime->Fill(p2X_fpTime); h_p2Y_fpTime->Fill(p2Y_fpTime);
    // ==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==//==
  }  // Entries loop
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}  // UserScript function

void kpp_analysis(TString histname) {

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  // Grab the histo
  TH1F *h;  h  = dynamic_cast <TH1F*> gDirectory->Get(histname);
  
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  // Grab histo directly if it does not already exist
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    UserScript();
    h = (TH1F*) gDirectory->Get(histname);
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    // Throw error
    if(!h) { cout << "User histogram " << histname << " not found" << endl; exit(1);}
  }  // Histo existing condition
  //else 
  h->Draw("colz");

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}  // kpp_analysis function