rearranged energy loss settings, added macro script, updated mass plotter

Armory/aarootscript.C

@@ -0,0 +1,34 @@
+#include "TFile.h"
+#include "TTree.h"
+#include "TGraph.h"
+#include "TLegend.h"
+#include "TCanvas.h"
+#include "TH1D.h"
+#include "TObjArray.h"
+#include "TBranch.h"
+#include <iostream>
+
+void aarootscript() {
+    TFile *f = new TFile("SimAnasen1.root");
+    TTree *tree1 = (TTree*)f->Get("tree1");
+    TTree *tree2 = (TTree*)f->Get("tree2");
+
+    TTreeReader reader("tree");
+    TTreeReaderValue<double> branchValue(reader, "Tb");
+    double totalSum = 0;
+    while (reader.Next()) {
+        totalSum += *branchValue;
+    }
+    std::cout << "Total Sum: " << totalSum << std::endl;
+
+    TTreeReader reader2("tree2");
+    TTreeReaderValue<double> branchValue2(reader2, "Tb");
+    double totalSum2 = 0;
+    while (reader2.Next()) {
+        totalSum2 += *branchValue2;
+    }
+    std::cout << "Total Sum: " << totalSum2 << std::endl;
+
+    std::cout << "Difference: " << totalSum - totalSum2 << std::endl;
+
+}

Armory/anasenMS.cpp

@@ -270,22 +270,6 @@ int main(int argc, char **argv){
         visTrackHitPos.push_back(hitPos);
         visTrackWires.push_back({anodeID[0], cathodeID[0]});
       }
-      /*
-      // apply energy loss from vertex to SX3 hit position (for light particle)
-      double dl = (hitPos - vertex).Mag() / 10.0; // path length in cm (positions in mm)
-      double EkinLight = Pb.E() - Pb.M();
-      double dedxLight = elossLight->Eval(EkinLight); // interpolate dE/dx
-      double dE_light = dedxLight * dl * density / 1000.0; // adjust for units (example scaling)
-      if (dE_light < EkinLight) {
-        Pb.SetE(Pb.E() - dE_light);
-        // update momentum to conserve direction
-        double p_new = TMath::Sqrt(Pb.E()*Pb.E() - Pb.M()*Pb.M());
-        TVector3 dir_new = Pb.Vect().Unit() * p_new;
-        Pb.SetPxPyPzE(dir_new.X(), dir_new.Y(), dir_new.Z(), Pb.E());
-      }
-      // update kinetic energy after loss
-      Tb = Pb.E() - Pb.M();*/
-
       // reconstruct track from PW readings + SX3 hit
       pw->CalTrack(hitPos, anodeID[0], cathodeID[0], false);
       reTheta = pw->GetTrackTheta() * TMath::RadToDeg();
@@ -298,22 +282,26 @@ int main(int argc, char **argv){
 
       z0 = pw->GetZ0();
       tree->Fill();
+      //printf("Event %d: Tb before energy loss = %.2f MeV\n", i, Tb);
       // apply energy loss from vertex to SX3 hit position (for light particle)
-      double dl = (hitPos - vertex).Mag() / 10.0; // path length in cm (positions in mm)
+      double dl = (hitPos - vertex).Mag() / 10; // path length in cm (positions in mm)
-      double EkinLight = Pb.E() - Pb.M();
+      //printf("Event %d: dl = %f cm\n", i, dl);
+      double EkinLight = Pb.E() - Pb.M();// kinetic energy of light particle before loss
       double dedxLight = elossLight->Eval(EkinLight); // interpolate dE/dx
+      //printf("Event %d: dE/dx = %f MeV/(mg/cm^2)\n", i, dedxLight);
       double dE_light = dedxLight * dl * density / 1000.0; // adjust for units (example scaling)
-      if (dE_light < EkinLight) {
+      //printf("Event %d: dE_light = %f MeV\n", i, dE_light);
-        Pb.SetE(Pb.E() - dE_light);
+      //if (dE_light < EkinLight) {
-        // update momentum to conserve direction
+      Pb.SetE(Pb.E() - dE_light); // update energy after loss
-        double p_new = TMath::Sqrt(Pb.E()*Pb.E() - Pb.M()*Pb.M());
+      double p_new = TMath::Sqrt(Pb.E()*Pb.E() - Pb.M()*Pb.M()); // update momentum to conserve direction
-        TVector3 dir_new = Pb.Vect().Unit() * p_new;
+      TVector3 dir_new = Pb.Vect().Unit() * p_new; // maintain original direction, adjust magnitude
-        Pb.SetPxPyPzE(dir_new.X(), dir_new.Y(), dir_new.Z(), Pb.E());
+      Pb.SetPxPyPzE(dir_new.X(), dir_new.Y(), dir_new.Z(), Pb.E()); // update 4-vector with new energy and momentum
-      }
+      //}
       // update kinetic energy after loss
-      Tb = Pb.E() - Pb.M();
+      Tb = Tb - dE_light;
       // fill tree2 with energy loss adjusted data
       tree2->Fill();
+      //printf("Event %d: Tb after energy loss = %.2f MeV\n", i, Tb);
 
     }else{
       // no valid SX3 hit: mark clearly invalid

Armory/histcomp.C

@@ -1,4 +1,5 @@
 void histcomp() {
+    gROOT->SetBatch(kTRUE);
 
     // Open file
     TFile *f = new TFile("SimAnasen1.root");
@@ -62,14 +63,31 @@ for (int i = 0; i < nBranches; i++) {
         //if (h2->GetEntries() > 0) h2->Scale(1.0 / h2->GetEntries());
 
         // Canvas
-    TCanvas *c = new TCanvas("c", name, 800, 600);
+        TCanvas *c = new TCanvas("c", name, 900, 600);
+
+        c->SetRightMargin(0.18);
+        c->Modified(); 
+        c->Update();
 
         h1->SetTitle(name + ";"+name+";Counts");
         h1->Draw("HIST");
         h2->Draw("HIST SAME");
 
+        gPad->Update();
+
+        TPaveStats *st = (TPaveStats*)h1->FindObject("stats");
+
+        st->SetX1NDC(0.85); // New X start (left)
+        st->SetY1NDC(0.5); // New Y start (bottom)
+        st->SetX2NDC(0.98); // New X end (right)
+        st->SetY2NDC(0.8); // New Y end (top)
+        st->Draw();
+        gPad->Modified();
+        gPad->Update();
+
+
         // Legend
-    TLegend *leg = new TLegend(0.65,0.75,0.88,0.88);
+        TLegend *leg = new TLegend(0.65 + .2,0.75 + .1,0.88 + .1,0.88 + .1);
         leg->AddEntry(h1, "tree1", "l");
         leg->AddEntry(h2, "tree2", "l");
         leg->Draw();