G4MuElecInelastic.cc

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//
// G4MuElecInelastic.cc, 2011/08/29 A.Valentin, M. Raine
//
// Based on the following publications
//
//          - Inelastic cross-sections of low energy electrons in silicon
//          for the simulation of heavy ion tracks with theGeant4-DNA toolkit,
//          NSS Conf. Record 2010, pp. 80-85.
//          - Geant4 physics processes for microdosimetry simulation:
//          very low energy electromagnetic models for electrons in Si,
//          NIM B, vol. 288, pp. 66 - 73, 2012.
//          - Geant4 physics processes for microdosimetry simulation:
//          very low energy electromagnetic models for protons and
//          heavy ions in Si, NIM B, vol. 287, pp. 124 - 129, 2012.
//
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#include "G4MuElecInelastic.hh"
#include "G4SystemOfUnits.hh"

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using namespace std;

G4MuElecInelastic::G4MuElecInelastic(const G4String& processName,
  G4ProcessType type):G4VEmProcess (processName, type),
    isInitialised(false)
{
  SetProcessSubType(53);
}

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G4MuElecInelastic::~G4MuElecInelastic()
{}

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G4bool G4MuElecInelastic::IsApplicable(const G4ParticleDefinition& p)
{
  return (&p == G4Electron::Electron() ||
        &p == G4Proton::Proton()  || 
        (p.GetPDGCharge() != 0.0 && !p.IsShortLived() && p.GetParticleType() == "nucleus"));
}

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void G4MuElecInelastic::InitialiseProcess(const G4ParticleDefinition* p)
{
  if(!isInitialised) 
  {
    isInitialised = true;
    SetBuildTableFlag(false);
    G4String name = p->GetParticleName();

    if(name == "e-")
    {
      if(!Model()) SetModel(new G4MuElecInelasticModel);
      Model()->SetLowEnergyLimit(16.7*eV);
      Model()->SetHighEnergyLimit(100*MeV);

      AddEmModel(1, Model());   
    }

    else if(name == "proton")
    {
      if(!Model()) SetModel(new G4MuElecInelasticModel);
      Model()->SetLowEnergyLimit(50.*keV);
      Model()->SetHighEnergyLimit(1*GeV);

      AddEmModel(1, Model());   
    }

    else
    {
      if(!Model()) SetModel(new G4MuElecInelasticModel);
      Model()->SetLowEnergyLimit(50.*keV);
      Model()->SetHighEnergyLimit(100.*GeV);

      AddEmModel(1, Model());   
    }
  } 
}

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void G4MuElecInelastic::PrintInfo()
{
  if (Model(2))
  {
    G4cout
      << " Total cross sections computed from " 
      << Model(1)->GetName() 
      << " and "
      << Model(2)->GetName() 
      << " models"
      << G4endl;
  } 
  else
  {
    G4cout
      << " Total cross sections computed from " 
      << Model()->GetName() 
      << G4endl;
  }
}         

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