G4PhysListUtil.cc

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//
//---------------------------------------------------------------------------
//
// ClassName: G4PhyslistUtil:
//     "Container" for function needed in various places  
//
// Author: 2007 Gunter Folger
//
// Modified:
// 07.10.2020 V.Ivanchenko added InitialiseParameters method
//
//----------------------------------------------------------------------------
//
 
#include "G4PhysListUtil.hh"
 
#include "G4ProcessManager.hh"
#include "G4ProcessVector.hh"
#include "G4NistManager.hh"
#include "G4EmParameters.hh"
#include "G4HadronicParameters.hh"
#include "G4NuclearLevelData.hh"
#include "G4Neutron.hh"
#include "G4FTFTunings.hh"
 
void G4PhysListUtil::InitialiseParameters()
{
  G4NistManager::Instance();
  G4EmParameters::Instance();
  G4HadronicParameters::Instance();
  G4NuclearLevelData::GetInstance();
  G4FTFTunings::Instance();
}
 
G4VProcess* G4PhysListUtil::FindProcess(const G4ParticleDefinition* part,
                                        G4int subtype)
{
  G4VProcess* proc = nullptr;
  if(nullptr == part) { return proc; }
  G4ProcessVector* pvec = part->GetProcessManager()->GetProcessList();
  if(nullptr == pvec) { return proc; }
  G4int n = (G4int)pvec->size();
  for(G4int i=0; i<n; ++i) {
    auto ptr = (*pvec)[i];
    if(ptr != nullptr && subtype == ptr->GetProcessSubType()) {
      proc = ptr;
      break;
    }
  }
  return proc;
}
 
G4HadronicProcess* 
G4PhysListUtil::FindInelasticProcess(const G4ParticleDefinition* p)
{
  auto proc = FindProcess(p, fHadronInelastic);
  return dynamic_cast<G4HadronicProcess*>(proc);
}
 
G4HadronicProcess* 
G4PhysListUtil::FindElasticProcess(const G4ParticleDefinition* p)
{
  auto proc = FindProcess(p, fHadronElastic);
  return dynamic_cast<G4HadronicProcess*>(proc);
}
 
G4HadronicProcess* 
G4PhysListUtil::FindCaptureProcess(const G4ParticleDefinition* p)
{
  auto proc = FindProcess(p, fCapture);
  return dynamic_cast<G4HadronicProcess*>(proc);
}
 
G4HadronicProcess* 
G4PhysListUtil::FindFissionProcess(const G4ParticleDefinition* p)
{
  auto proc = FindProcess(p, fFission);
  return dynamic_cast<G4HadronicProcess*>(proc);
}
 
G4NeutronGeneralProcess* G4PhysListUtil::FindNeutronGeneralProcess()
{
  auto neutron = G4Neutron::Neutron();
  auto proc = dynamic_cast<G4NeutronGeneralProcess*>(FindProcess(neutron, fNeutronGeneral));
  if(nullptr == proc) {
    proc = new G4NeutronGeneralProcess();
    neutron->GetProcessManager()->AddDiscreteProcess(proc);
  }
  return proc;
}