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// $Id: G4eeToHadrons.cc,v 1.9 2009/02/20 16:38:33 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
// -------------------------------------------------------------------
//
// GEANT4 Class file
//
//
// File name:     G4eeToHadrons
//
// Author:        Vladimir Ivanchenko on base of Michel Maire code
//
// Creation date: 02.08.2004
//
// Modifications:
// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
// 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
// 23-11-05 Istert AddEmModel which was lost (V.Ivantchenko)
//

//
// -------------------------------------------------------------------
//
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#include "G4eeToHadrons.hh"
#include "G4MaterialCutsCouple.hh"
#include "G4Gamma.hh"

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using namespace std;

G4eeToHadrons::G4eeToHadrons(const G4String& name)
  : G4VEmProcess(name),
    multimodel(0),
    csFactor(1.0), 
    isInitialised(false)
{
  SetVerboseLevel(1);
  SetProcessSubType(fAnnihilationToHadrons);
}

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G4eeToHadrons::~G4eeToHadrons()
{}

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G4bool G4eeToHadrons::IsApplicable(const G4ParticleDefinition& p)
{
  return (&p == G4Positron::Positron());
}

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void G4eeToHadrons::InitialiseProcess(const G4ParticleDefinition*)
{
  if(!isInitialised) {
    isInitialised = true;

    SetBuildTableFlag(false);
    SetIntegral(true);
    SetMaxKinEnergy(10.0*TeV);

    SetSecondaryParticle(G4Gamma::Gamma());
    SetParticle(G4Positron::Positron());

    multimodel = new G4eeToHadronsMultiModel(verboseLevel);
    if(csFactor > 1.0) multimodel->SetCrossSecFactor(csFactor);
    AddEmModel(1, multimodel);
  }
}

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void G4eeToHadrons::PrintInfo()
{
  multimodel->PrintInfo();
}

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void G4eeToHadrons::SetCrossSecFactor(G4double fac)
{
  if(multimodel) multimodel->SetCrossSecFactor(fac);
  csFactor = fac;
}

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