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/// \file XPhysicsList.cc
/// \brief Implementation of the XPhysicsList class

#include "XPhysicsList.hh"

#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"
#include "G4PhononDownconversion.hh"
#include "G4PhononLong.hh"
#include "G4PhononReflection.hh"
#include "G4PhononScattering.hh"
#include "G4PhononTransFast.hh"
#include "G4PhononTransSlow.hh"
#include "G4ProcessManager.hh"
#include "G4SystemOfUnits.hh"

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XPhysicsList::XPhysicsList(G4int verbose) : G4VUserPhysicsList()
{
  if (verbose) G4cout << "XPhysicsList::constructor" << G4endl;

  SetVerboseLevel(verbose);
  SetDefaultCutValue(100 * mm);
}

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XPhysicsList::~XPhysicsList()
{
  ;
}

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void XPhysicsList::ConstructParticle()
{
  G4PhononLong::PhononDefinition();
  G4PhononTransFast::PhononDefinition();
  G4PhononTransSlow::PhononDefinition();
}

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void XPhysicsList::ConstructProcess()
{
  AddTransportation();

  // Only make processes once
  G4VProcess* phScat = new G4PhononScattering;
  G4VProcess* phRefl = new G4PhononReflection;
  G4VProcess* phDown = new G4PhononDownconversion;

  // Set process verbosity to match physics list, for diagnostics
  phScat->SetVerboseLevel(verboseLevel);
  phRefl->SetVerboseLevel(verboseLevel);
  phDown->SetVerboseLevel(verboseLevel);

  auto particleIterator = GetParticleIterator();
  particleIterator->reset();
  while ((*particleIterator)()) {
    G4ParticleDefinition* particle = particleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();

    // WARNING!  CHANGING ORDER OF REGISTRATION CAN CHANGE PHYSICS RESULTS
    if (phScat->IsApplicable(*particle)) pmanager->AddDiscreteProcess(phScat);
    if (phDown->IsApplicable(*particle)) pmanager->AddDiscreteProcess(phDown);
    if (phRefl->IsApplicable(*particle)) pmanager->AddDiscreteProcess(phRefl);
  }
}

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void XPhysicsList::SetCuts()
{
  // These values are used as the default production thresholds
  // for the world volume.
  SetCutsWithDefault();
}

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