G4DNAChargeDecrease.cc

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// $Id$

#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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