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25 //
26 //
27 //---------------------------------------------------------------------------
28 //
29 // ClassName: G4FTFPPiKBuilder
30 //
31 // Author: 2002 J.P. Wellisch
32 //
33 // Modified:
34 // 18.11.2010 G.Folger, use G4CrossSectionPairGG for relativistic rise of cross
35 // section at high energies.
36 // 30.03.2009 V.Ivanchenko create cross section by new
37 // 12.04.2017 A.Dotti move to new design with base class
38 //
39 //----------------------------------------------------------------------------
40 //
41 #include "G4FTFPPiKBuilder.hh"
42 #include "G4SystemOfUnits.hh"
43 #include "G4ParticleDefinition.hh"
44 #include "G4ParticleTable.hh"
45 #include "G4ProcessManager.hh"
46 #include "G4BGGPionInelasticXS.hh"
47 #include "G4HadronicParameters.hh"
48
49
50 G4FTFPPiKBuilder::
51 G4FTFPPiKBuilder(G4bool quasiElastic)
52 {
53 theMin = G4HadronicParameters::Instance()->GetMinEnergyTransitionFTF_Cascade();
54 theMax = G4HadronicParameters::Instance()->GetMaxEnergy();
55 theModel = new G4TheoFSGenerator("FTFP");
56
57 G4FTFModel* theStringModel = new G4FTFModel();
58 theStringModel->SetFragmentationModel(new G4ExcitedStringDecay());
59
60 G4GeneratorPrecompoundInterface* theCascade =
61 new G4GeneratorPrecompoundInterface();
62
63 theModel->SetHighEnergyGenerator(theStringModel);
64 if (quasiElastic) {
65 theModel->SetQuasiElasticChannel(new G4QuasiElasticChannel());
66 }
67
68 theModel->SetTransport(theCascade);
69 theModel->SetMinEnergy(theMin);
70 theModel->SetMaxEnergy(theMax);
71 }
72
73 G4FTFPPiKBuilder::~G4FTFPPiKBuilder()
74 {
75 }
76
77 void G4FTFPPiKBuilder::
78 Build(G4HadronInelasticProcess * aP)
79 {
80 theModel->SetMinEnergy(theMin);
81 theModel->SetMaxEnergy(theMax);
82 if ( aP->GetParticleDefinition() == G4PionPlus::Definition() ) {
83 aP->AddDataSet( new G4BGGPionInelasticXS( G4PionPlus::Definition() ) );
84 } else if ( aP->GetParticleDefinition() == G4PionMinus::Definition() ) {
85 aP->AddDataSet( new G4BGGPionInelasticXS( G4PionMinus::Definition() ) );
86 }
87 aP->RegisterMe(theModel);
88 }
89