G4DNAAttachment.cc

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#include "G4DNAAttachment.hh"
#include "G4LEPTSAttachmentModel.hh"
#include "G4LowEnergyEmProcessSubType.hh"
 
#include "G4SystemOfUnits.hh"
#include "G4Positron.hh"
 
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using namespace std;
 
G4DNAAttachment::G4DNAAttachment(const G4String& processName,
  G4ProcessType type):G4VEmProcess (processName, type) 
{
  SetProcessSubType(fLowEnergyAttachment);
}
 
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G4DNAAttachment::~G4DNAAttachment()
= default;
 
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G4bool G4DNAAttachment::IsApplicable(const G4ParticleDefinition& p)
{
  return (&p == G4Electron::Electron() || &p == G4Positron::Positron());
}
 
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void G4DNAAttachment::InitialiseProcess(const G4ParticleDefinition* p)
{
  if(!isInitialised) 
  {
    isInitialised = true;
    SetBuildTableFlag(false);
 
    G4String name = p->GetParticleName();
 
    if(name == "e-" )
    {
      if(EmModel() == nullptr)
      {
        SetEmModel(new G4DNAMeltonAttachmentModel);
        EmModel()->SetLowEnergyLimit(4.*eV);
        EmModel()->SetHighEnergyLimit(13.*eV);
      }
      AddEmModel(1, EmModel());   
    }
    else if(name == "e+" )
    {
      if(EmModel() == nullptr)
      {
        SetEmModel(new G4LEPTSAttachmentModel);
        EmModel()->SetLowEnergyLimit(1.*eV);
        EmModel()->SetHighEnergyLimit(1.*MeV);
      }
      AddEmModel(1, EmModel());   
    }
  } 
}
 
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void G4DNAAttachment::PrintInfo()
{
  G4cout << " Total cross sections computed from "
         << EmModel()->GetName()
         << G4endl;
}         
 
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