Fix memory corruption and ITS acceptance limits

Author: shahor02

GeneratorCosmics/GeneratorCosmics.cxx

@@ -13,8 +13,8 @@
 // Origin: [email protected]
 // Modifications for O2: [email protected]
 
-#include <TParticle.h>
 #include <TRandom.h>
+#include <TParticle.h>
 #include <TVirtualMC.h>
 #include <TGeoGlobalMagField.h>
 #include "GeneratorCosmics.h"
@@ -53,10 +53,8 @@ void GeneratorCosmics::GenerateEvent()
   if (!mFieldIsSet && !detectField()) {
     throw std::runtime_error("Failed to fetch magnetic field");
   }
-  
-  fParticles->Clear();
+  fParticles->Clear();  
   int npart = 0;
-  std::unique_ptr<TParticle> part;
   //
   while (npart < mNPart) { // until needed numbe of muons generated
     int trials = 0;
@@ -138,11 +136,9 @@ void GeneratorCosmics::GenerateEvent()
       }
 
       auto etot = std::sqrt(MuMass * MuMass + ptot * ptot);
-      part = std::make_unique<TParticle>(pdg, 1, -1, -1, -1, -1, p[0], p[1], p[2], etot, r[0], r[1], r[2], 0);
+      fParticles->Add( new TParticle(pdg, 1, -1, -1, -1, -1, p[0], p[1], p[2], etot, r[0], r[1], r[2], 0) );
       break;
     } while (1);
-
-    fParticles->Add(part.get());
     npart++;
   }
 }

GeneratorCosmics/GeneratorCosmics.h

@@ -16,8 +16,8 @@
 // Origin: [email protected]
 // Modifications for O2: [email protected]
 
-#include "TGenerator.h"
-#include "TClonesArray.h"
+#include <TGenerator.h>
+#include <TClonesArray.h>
 #include <TF1.h>
 
 // Generates requested number of cosmic muons per call, requiring them to pass through
@@ -72,19 +72,18 @@ class GeneratorCosmics : public TGenerator
     mXAcc = x < 1 ? 1. : x;
     mZAcc = z < 1 ? 1. : z;
   }
-  void requireITS0() { requireXZAccepted(2.7, 27.1); }
-  void requireITS1() { requireXZAccepted(3.5, 27.1); }
-  void requireITS2() { requireXZAccepted(4.3, 27.1); }
-  void requireITS3() { requireXZAccepted(19.8, 84.3); }
-  void requireITS4() { requireXZAccepted(24.8, 84.3); }
-  void requireITS5() { requireXZAccepted(34.6, 147.5); }
-  void requireITS6() { requireXZAccepted(39.5, 147.5); }
+  void requireITS0() { requireXZAccepted(2.23, 15.56); }
+  void requireITS1() { requireXZAccepted(3.00, 15.56); }
+  void requireITS2() { requireXZAccepted(3.78, 15.56); }
+  void requireITS3() { requireXZAccepted(19.55, 43.77); }
+  void requireITS4() { requireXZAccepted(24.54, 43.77); }
+  void requireITS5() { requireXZAccepted(34.38, 75.08); }
+  void requireITS6() { requireXZAccepted(39.33, 75.08); }
   void requireTPC() { requireXZAccepted(250, 250); }
 
   bool getXZatOrigin(float& xpos, float& zpos, const float r[3], const float p[3], int q) const;
 
  private:
-
   bool detectField();
 
   GenParamType mParam = GenParamType::ParamTPC;