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geant4/source/physics_lists/builders/src/G4FTFPPionBuilder.cc
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2016-06-10 12:08:39 +02:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
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// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id$
//
//---------------------------------------------------------------------------
//
// Modified:
//
//----------------------------------------------------------------------------
//
#include "G4FTFPPionBuilder.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"
#include "G4ProcessManager.hh"
#include "G4PiNuclearCrossSection.hh"
#include "G4CrossSectionPairGG.hh"
#include "G4CrossSectionDataSetRegistry.hh"
G4FTFPPionBuilder::
G4FTFPPionBuilder(G4bool quasiElastic)
{
thePiData = new G4CrossSectionPairGG((G4PiNuclearCrossSection*)G4CrossSectionDataSetRegistry::Instance()->GetCrossSectionDataSet(G4PiNuclearCrossSection::Default_Name()), 91*GeV);
theMin = 4*GeV;
theMax = 100*TeV;
theModel = new G4TheoFSGenerator("FTFP");
theStringModel = new G4FTFModel;
theStringDecay = new G4ExcitedStringDecay(theLund = new G4LundStringFragmentation);
theStringModel->SetFragmentationModel(theStringDecay);
theCascade = new G4GeneratorPrecompoundInterface();
theModel->SetHighEnergyGenerator(theStringModel);
if (quasiElastic)
{
theQuasiElastic=new G4QuasiElasticChannel;
theModel->SetQuasiElasticChannel(theQuasiElastic);
} else
{ theQuasiElastic=0;}
theModel->SetTransport(theCascade);
theModel->SetMinEnergy(theMin);
theModel->SetMaxEnergy(100*TeV);
}
G4FTFPPionBuilder::~G4FTFPPionBuilder()
{
delete theStringDecay;
delete theStringModel;
if ( theQuasiElastic ) delete theQuasiElastic;
delete theLund;
}
void G4FTFPPionBuilder::
Build(G4HadronElasticProcess * ) {}
void G4FTFPPionBuilder::
Build(G4PionPlusInelasticProcess * aP)
{
theModel->SetMinEnergy(theMin);
theModel->SetMaxEnergy(theMax);
aP->AddDataSet(thePiData);
aP->RegisterMe(theModel);
}
void G4FTFPPionBuilder::
Build(G4PionMinusInelasticProcess * aP)
{
theModel->SetMinEnergy(theMin);
theModel->SetMaxEnergy(theMax);
aP->AddDataSet(thePiData);
aP->RegisterMe(theModel);
}