Geant4 9.6.0
Toolkit for the simulation of the passage of particles through matter
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G4CHIPSElastic.cc
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25//
26// $Id$
27//
28//---------------------------------------------------------------------
29//
30// Geant4 Class : G4CHIPSElastic
31//
32// Author : V.Ivanchenko 29 June 2009
33//
34// Modified:
35// 13.01.10: M.Kosov: Use G4Q(Pr/Neut)ElasticCS instead of G4QElasticCS
36//
37//---------------------------------------------------------------------
38// CHIPS model of hadron elastic scattering
39//
40
41#include "G4CHIPSElastic.hh"
42#include "G4VQCrossSection.hh"
43#include "G4ParticleDefinition.hh"
44#include "G4QProtonElasticCrossSection.hh"
45#include "G4QNeutronElasticCrossSection.hh"
46
47#include "G4QAntiBaryonElasticCrossSection.hh" // Uzhi
48#include "G4QPionPlusElasticCrossSection.hh" // Uzhi
49#include "G4QPionMinusElasticCrossSection.hh" // Uzhi
50#include "G4QKaonPlusElasticCrossSection.hh" // Uzhi
51#include "G4QKaonMinusElasticCrossSection.hh" // Uzhi
52#include <iostream>
53
54
55G4VQCrossSection* G4CHIPSElastic::pxsManager = 0;
56G4VQCrossSection* G4CHIPSElastic::nxsManager = 0;
57
58G4VQCrossSection* G4CHIPSElastic::PBARxsManager = 0; // Uzhi
59G4VQCrossSection* G4CHIPSElastic::PIPxsManager = 0;
60G4VQCrossSection* G4CHIPSElastic::PIMxsManager = 0;
61G4VQCrossSection* G4CHIPSElastic::KPxsManager = 0;
62G4VQCrossSection* G4CHIPSElastic::KMxsManager = 0;
63
64G4CHIPSElastic::G4CHIPSElastic() : G4HadronElastic("hElasticCHIPS")
65{
66 if(!pxsManager)
67 {
68 pxsManager = G4QProtonElasticCrossSection::GetPointer();
69 nxsManager = G4QNeutronElasticCrossSection::GetPointer();
70
71 PBARxsManager = G4QAntiBaryonElasticCrossSection::GetPointer(); // Uzhi
72 PIPxsManager = G4QPionPlusElasticCrossSection::GetPointer(); // Uzhi
73 PIMxsManager = G4QPionMinusElasticCrossSection::GetPointer(); // Uzhi
74 KPxsManager = G4QKaonPlusElasticCrossSection::GetPointer(); // Uzhi
75 KMxsManager = G4QKaonMinusElasticCrossSection::GetPointer(); // Uzhi
76 }
77 //Description();
78}
79
80G4CHIPSElastic::~G4CHIPSElastic()
81{}
82
83void G4CHIPSElastic::Description() const
84{
85 char* dirName = getenv("G4PhysListDocDir");
86 if (dirName) {
87 std::ofstream outFile;
88 G4String outFileName = GetModelName() + ".html";
89 G4String pathName = G4String(dirName) + "/" + outFileName;
90 outFile.open(pathName);
91 outFile << "<html>\n";
92 outFile << "<head>\n";
93
94 outFile << "<title>Description of G4CHIPSElastic</title>\n";
95 outFile << "</head>\n";
96 outFile << "<body>\n";
97
98 outFile << "The G4CHIPSElastic model performs hadron-nucleus elastic\n"
99 << "scattering using the parameterized elastic cross sections\n"
100 << "of M. Kossov\n";
101
102 outFile << "</body>\n";
103 outFile << "</html>\n";
104 outFile.close();
105 }
106}
107
108
109G4double
110G4CHIPSElastic::SampleInvariantT(const G4ParticleDefinition* p,
111 G4double plab, G4int Z, G4int A)
112{
113 G4int N = A - Z;
114 if(Z == 1 && N == 2) { N = 1; }
115 else if(Z == 2 && N == 1) { N = 2; }
116 G4int projPDG = p->GetPDGEncoding();
117 G4double cs = 0.;
118 if (projPDG==2212) { cs = pxsManager->GetCrossSection(false,plab,Z,N,projPDG); }
119 else if(projPDG==2112) { cs = nxsManager->GetCrossSection(false,plab,Z,N,projPDG); }
120 else if(projPDG==-2212){ cs = PBARxsManager->GetCrossSection(false,plab,Z,N,projPDG); } //Pbar
121 else if(projPDG== 211) { cs = PIPxsManager->GetCrossSection(false,plab,Z,N,projPDG); } // Pi+
122 else if(projPDG==-211) { cs = PIMxsManager->GetCrossSection(false,plab,Z,N,projPDG); } // Pi-
123 else if(projPDG== 321) { cs = KPxsManager->GetCrossSection(false,plab,Z,N,projPDG); } // K+
124 else if(projPDG==-321) { cs = KMxsManager->GetCrossSection(false,plab,Z,N,projPDG); } // K-
125
126 G4double t = 0.0;
127 if(cs > 0.0)
128 {
129 if (projPDG== 2212) { t = pxsManager->GetExchangeT(Z,N,projPDG); }
130 else if(projPDG== 2112) { t = nxsManager->GetExchangeT(Z,N,projPDG); }
131 else if(projPDG==-2212) { t = PBARxsManager->GetExchangeT(Z,N,projPDG); } // Pbar
132 else if(projPDG== 211) { t = PIPxsManager->GetExchangeT(Z,N,projPDG); } // Pi+
133 else if(projPDG== -211) { t = PIMxsManager->GetExchangeT(Z,N,projPDG); } // Pi-
134 else if(projPDG== 321) { t = KPxsManager->GetExchangeT(Z,N,projPDG); } // K+
135 else if(projPDG== -321) { t = KMxsManager->GetExchangeT(Z,N,projPDG); } // K-
136 }
137 else { t = G4HadronElastic::SampleInvariantT(p, plab, Z, A); }
138 return t;
139}
140
G4double
double G4double
Definition: G4Types.hh:64
G4int
int G4int
Definition: G4Types.hh:66
G4CHIPSElastic::SampleInvariantT
virtual G4double SampleInvariantT(const G4ParticleDefinition *p, G4double plab, G4int Z, G4int A)
Definition: G4CHIPSElastic.cc:110
G4CHIPSElastic::~G4CHIPSElastic
virtual ~G4CHIPSElastic()
Definition: G4CHIPSElastic.cc:80
G4CHIPSElastic::Description
virtual void Description() const
Definition: G4CHIPSElastic.cc:83
G4HadronElastic::SampleInvariantT
virtual G4double SampleInvariantT(const G4ParticleDefinition *p, G4double plab, G4int Z, G4int A)
Definition: G4HadronElastic.cc:225
G4HadronicInteraction::GetModelName
const G4String & GetModelName() const
Definition: G4HadronicInteraction.hh:119
G4QProtonElasticCrossSection::GetPointer
static G4VQCrossSection * GetPointer()
Definition: G4QProtonElasticCrossSection.cc:143
G4VQCrossSection::GetExchangeT
virtual G4double GetExchangeT(G4int tZ, G4int tN, G4int pPDG)
Definition: G4VQCrossSection.cc:70
G4VQCrossSection::GetCrossSection
virtual G4double GetCrossSection(G4bool, G4double, G4int, G4int, G4int pPDG=0)
Definition: G4VQCrossSection.hh:99