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// $Id: TrackingAction.cc 83418 2014-08-21 15:30:47Z gcosmo $
//
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#include "TrackingAction.hh"

#include "DetectorConstruction.hh"
#include "Run.hh"
#include "PrimaryGeneratorAction.hh"
#include "EventAction.hh"
#include "HistoManager.hh"

#include "G4RunManager.hh"
#include "G4PhysicalConstants.hh"
#include "G4Track.hh"
#include "G4Positron.hh"

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TrackingAction::TrackingAction(DetectorConstruction* det)
:G4UserTrackingAction(),detector(det)
{ }
 
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void TrackingAction::PreUserTrackingAction(const G4Track*)
{ }

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void TrackingAction::PostUserTrackingAction(const G4Track* track)
{ 
  //compute leakage
  //
  // if not at World boundaries, return
  if (track->GetVolume() != detector->GetPvolWorld()) return;
     
  //get position
  G4double x = (track->GetPosition()).x();
  G4double xlimit = 0.5*(detector->GetCalorThickness());
  G4int icase = 2;
  if (x >= xlimit) icase = 0;
  else if (x <= -xlimit) icase = 1;
  
  //get particle energy
  G4double Eleak = track->GetKineticEnergy();
  if (track->GetDefinition() == G4Positron::Positron())
     Eleak += 2*electron_mass_c2;
     
  //sum leakage
  Run* run = static_cast<Run*>(
             G4RunManager::GetRunManager()->GetNonConstCurrentRun());
  run->DetailedLeakage(icase,Eleak);         
}

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