CMSDarkPairProductionProcess.cc

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//
// ********************************************************************
// Authors of this file: Dustin Stolp (dostolp@ucdavis.edu)
//                       Sushil S. Chauhan (schauhan@cern.ch)
//
// -----------------------------------------------------------------------------
 
#include "SimG4Core/CustomPhysics/interface/CMSDarkPairProductionProcess.h"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
#include "G4BetheHeitlerModel.hh"
#include "G4PairProductionRelModel.hh"
#include "G4Electron.hh"
 
using namespace std;
 
CMSDarkPairProductionProcess::CMSDarkPairProductionProcess(G4double df, const G4String& processName, G4ProcessType type)
    : G4VEmProcess(processName, type), isInitialised(false), darkFactor(df) {
  SetMinKinEnergy(2.0 * electron_mass_c2);
  SetProcessSubType(fGammaConversion);
  SetStartFromNullFlag(true);
  SetBuildTableFlag(true);
  SetSecondaryParticle(G4Electron::Electron());
  SetLambdaBinning(220);
}
 
CMSDarkPairProductionProcess::~CMSDarkPairProductionProcess() {}
 
G4bool CMSDarkPairProductionProcess::IsApplicable(const G4ParticleDefinition& p) {
  return (p.GetParticleType() == "darkpho");
}
 
void CMSDarkPairProductionProcess::InitialiseProcess(const G4ParticleDefinition* p) {
  if (!isInitialised) {
    isInitialised = true;
 
    AddEmModel(0, new CMSDarkPairProduction(p, darkFactor));
  }
}
 
G4double CMSDarkPairProductionProcess::MinPrimaryEnergy(const G4ParticleDefinition*, const G4Material*) {
  return 2 * electron_mass_c2;
}
 
void CMSDarkPairProductionProcess::PrintInfo() {}