G4DNAChargeDecrease.cc

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// $Id: G4DNAChargeDecrease.cc 91992 2015-08-13 07:20:24Z gcosmo $

#include "G4DNAChargeDecrease.hh"
#include "G4SystemOfUnits.hh"

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using namespace std;

G4DNAChargeDecrease::G4DNAChargeDecrease(const G4String& processName,
                                         G4ProcessType type) :
    G4VEmProcess(processName, type), isInitialised(false)
{
  SetProcessSubType(56);
}

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G4DNAChargeDecrease::~G4DNAChargeDecrease()
{
}

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G4bool G4DNAChargeDecrease::IsApplicable(const G4ParticleDefinition& p)
{

  G4DNAGenericIonsManager *instance;
  instance = G4DNAGenericIonsManager::Instance();

  return (&p == G4Proton::ProtonDefinition()
      || &p == instance->GetIon("alpha++") || &p == instance->GetIon("alpha+"));
}

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void G4DNAChargeDecrease::InitialiseProcess(const G4ParticleDefinition* p)
{
  if(!isInitialised)
  {
    isInitialised = true;
    SetBuildTableFlag(false);

    G4String name = p->GetParticleName();

    if(name == "proton")
    {
      if(!EmModel())
      {
        SetEmModel(new G4DNADingfelderChargeDecreaseModel);
        EmModel()->SetLowEnergyLimit(100 * eV);
        EmModel()->SetHighEnergyLimit(100 * MeV);
      }
      AddEmModel(1, EmModel());
    }

    if(name == "alpha" || name == "alpha+")
    {
      if(!EmModel())
      {
        SetEmModel(new G4DNADingfelderChargeDecreaseModel);
        EmModel()->SetLowEnergyLimit(1 * keV);
        EmModel()->SetHighEnergyLimit(400 * MeV);
      }
      AddEmModel(1, EmModel());
    }

  }
}

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void G4DNAChargeDecrease::PrintInfo()
{
  G4cout << " Total cross sections computed from " << EmModel()->GetName()
         << " model" << G4endl;
}

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