From c2cf66b77a7088654da04040fe19990b46877b24 Mon Sep 17 00:00:00 2001
From: Luzhiyongg <71517277+Luzhiyongg@users.noreply.github.com>
Date: Wed, 15 Oct 2025 12:54:26 +0200
Subject: [PATCH] add trigger histogran for FT0A-FT0C

---
 .../Tasks/longRangeDihadronCor.cxx                       | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/PWGCF/TwoParticleCorrelations/Tasks/longRangeDihadronCor.cxx b/PWGCF/TwoParticleCorrelations/Tasks/longRangeDihadronCor.cxx
index 5cd920840fb..e2ed5a4cfe0 100644
--- a/PWGCF/TwoParticleCorrelations/Tasks/longRangeDihadronCor.cxx
+++ b/PWGCF/TwoParticleCorrelations/Tasks/longRangeDihadronCor.cxx
@@ -279,8 +279,6 @@ struct LongRangeDihadronCor {
       registry.add("Centrality_used", hCentTitle.c_str(), {HistType::kTH1D, {{100, 0, 100}}}); // histogram to see how many events are in the same and mixed event
       registry.add("zVtx", "zVtx", {HistType::kTH1D, {axisVertex}});
       registry.add("zVtx_used", "zVtx_used", {HistType::kTH1D, {axisVertex}});
-      registry.add("Trig_hist_TPC_FT0A", "", {HistType::kTHnSparseF, {{axisSample, axisVertex, axisPtTrigger}}});
-      registry.add("Trig_hist_TPC_FT0C", "", {HistType::kTHnSparseF, {{axisSample, axisVertex, axisPtTrigger}}});
       registry.add("FT0Amp", "", {HistType::kTH2F, {axisChID, axisFit}});
       registry.add("FT0AmpCorrect", "", {HistType::kTH2F, {axisChID, axisFit}});
     }
@@ -289,16 +287,19 @@ struct LongRangeDihadronCor {
       registry.add("deltaEta_deltaPhi_mixed_TPC_FT0A", "", {HistType::kTH2D, {axisDeltaPhi, axisDeltaEtaTpcFt0a}});
       registry.add("Assoc_amp_same_TPC_FT0A", "", {HistType::kTH2D, {axisChannelFt0aAxis, axisAmplitudeFt0a}});
       registry.add("Assoc_amp_mixed_TPC_FT0A", "", {HistType::kTH2D, {axisChannelFt0aAxis, axisAmplitudeFt0a}});
+      registry.add("Trig_hist_TPC_FT0A", "", {HistType::kTHnSparseF, {{axisSample, axisVertex, axisPtTrigger}}});
     }
     if (doprocessSameTpcFt0c) {
       registry.add("deltaEta_deltaPhi_same_TPC_FT0C", "", {HistType::kTH2D, {axisDeltaPhi, axisDeltaEtaTpcFt0c}}); // check to see the delta eta and delta phi distribution
       registry.add("deltaEta_deltaPhi_mixed_TPC_FT0C", "", {HistType::kTH2D, {axisDeltaPhi, axisDeltaEtaTpcFt0c}});
       registry.add("Assoc_amp_same_TPC_FT0C", "", {HistType::kTH2D, {axisChannelFt0aAxis, axisAmplitudeFt0a}});
       registry.add("Assoc_amp_mixed_TPC_FT0C", "", {HistType::kTH2D, {axisChannelFt0aAxis, axisAmplitudeFt0a}});
+      registry.add("Trig_hist_TPC_FT0C", "", {HistType::kTHnSparseF, {{axisSample, axisVertex, axisPtTrigger}}});
     }
     if (doprocessSameFt0aFt0c) {
       registry.add("deltaEta_deltaPhi_same_FT0A_FT0C", "", {HistType::kTH2D, {axisDeltaPhi, axisDeltaEtaFt0aFt0c}}); // check to see the delta eta and delta phi distribution
       registry.add("deltaEta_deltaPhi_mixed_FT0A_FT0C", "", {HistType::kTH2D, {axisDeltaPhi, axisDeltaEtaFt0aFt0c}});
+      registry.add("Trig_hist_FT0A_FT0C", "", {HistType::kTHnSparseF, {{axisSample, axisVertex, axisPtTrigger}}});
     }
 
     registry.add("eventcount", "bin", {HistType::kTH1F, {{4, 0, 4, "bin"}}}); // histogram to see how many events are in the same and mixed event
@@ -621,6 +622,10 @@ struct LongRangeDihadronCor {
       auto phiA = getPhiFT0(chanelAid, kFT0A);
       auto etaA = getEtaFT0(chanelAid, kFT0A);
 
+      if (system == SameEvent) {
+        registry.fill(HIST("Trig_hist_FT0A_FT0C"), fSampleIndex, posZ, 0.5, eventWeight * amplA);
+      }
+
       for (std::size_t iChC = 0; iChC < channelCSize; iChC++) {
         int chanelCid = 0;
         float amplC = 0.;