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G4QGSPPionBuilder.cc
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26 // $Id: G4QGSPPionBuilder.cc 75290 2013-10-30 09:20:47Z gcosmo $
27 //
28 //---------------------------------------------------------------------------
29 //
30 // ClassName: G4QGSPPionBuilder
31 //
32 // Author: 2010 G.Folger
33 // devired from G4QGSPPiKBuilder
34 //
35 // Modified:
36 // 17.11.2010 G.Folger, use G4CrossSectionPairGG for relativistic rise of cross
37 // section at high energies.
38 // 30.03.2009 V.Ivanchenko create cross section by new
39 //
40 //----------------------------------------------------------------------------
41 //
42 #include "G4QGSPPionBuilder.hh"
43 #include "G4SystemOfUnits.hh"
44 #include "G4ParticleDefinition.hh"
45 #include "G4ParticleTable.hh"
46 #include "G4ProcessManager.hh"
48 #include "G4CrossSectionPairGG.hh"
49 #include "G4ExcitationHandler.hh"
50 
51 
53 G4QGSPPionBuilder(G4bool quasiElastic)
54 {
55  thePiData = new G4CrossSectionPairGG(new G4PiNuclearCrossSection(), 91*GeV);
56  theMin = 12*GeV;
57  theModel = new G4TheoFSGenerator("QGSP");
58 
59  theStringModel = new G4QGSModel< G4QGSParticipants >;
60  theStringDecay = new G4ExcitedStringDecay(theQGSM = new G4QGSMFragmentation);
61  theStringModel->SetFragmentationModel(theStringDecay);
62 
63 
64  theCascade = new G4GeneratorPrecompoundInterface;
65  thePreEquilib = new G4PreCompoundModel(new G4ExcitationHandler);
66  theCascade->SetDeExcitation(thePreEquilib);
67 
68  theModel->SetHighEnergyGenerator(theStringModel);
69  if (quasiElastic)
70  {
71  theQuasiElastic=new G4QuasiElasticChannel;
72  theModel->SetQuasiElasticChannel(theQuasiElastic);
73  } else
74  { theQuasiElastic=0;}
75 
76  theModel->SetTransport(theCascade);
77 }
78 
81 {
82  delete theCascade;
83  delete thePreEquilib;
84  if ( theQuasiElastic ) delete theQuasiElastic;
85  delete theStringDecay;
86  delete theStringModel;
87  delete theModel;
88  delete theQGSM;
89 }
90 
93 
96 {
97  theModel->SetMinEnergy(theMin);
98  theModel->SetMaxEnergy(100*TeV);
99  aP->AddDataSet(thePiData);
100  aP->RegisterMe(theModel);
101 }
102 
105 {
106  theModel->SetMinEnergy(theMin);
107  theModel->SetMaxEnergy(100*TeV);
108  aP->AddDataSet(thePiData);
109  aP->RegisterMe(theModel);
110 }
111 
112 
113 // 2002 by J.P. Wellisch
virtual ~G4QGSPPionBuilder()
void SetQuasiElasticChannel(G4QuasiElasticChannel *const value)
void SetFragmentationModel(G4VStringFragmentation *aModel)
void SetHighEnergyGenerator(G4VHighEnergyGenerator *const value)
void RegisterMe(G4HadronicInteraction *a)
void SetMinEnergy(G4double anEnergy)
void AddDataSet(G4VCrossSectionDataSet *aDataSet)
virtual void Build(G4HadronElasticProcess *aP)
bool G4bool
Definition: G4Types.hh:79
void SetMaxEnergy(const G4double anEnergy)
void SetDeExcitation(G4VPreCompoundModel *ptr)
void SetTransport(G4VIntraNuclearTransportModel *const value)
G4QGSPPionBuilder(G4bool quasiElastic=false)