source: trunk/source/processes/hadronic/cross_sections/src/G4GeneralSpaceNNCrossSection.cc@ 1340

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34// ********************************************************************
35//
36// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
37//
38// MODULE: G4GeneralSpaceNNCrossSection.cc
39//
40// Version: B.1
41// Date: 15/04/04
42// Author: P R Truscott
43// Organisation: QinetiQ Ltd, UK
44// Customer: ESA/ESTEC, NOORDWIJK
45// Contract: 17191/03/NL/LvH
46//
47// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
48//
49// CHANGE HISTORY
50// --------------
51//
52// 6 October 2003, P R Truscott, QinetiQ Ltd, UK
53// Created.
54//
55// 15 March 2004, P R Truscott, QinetiQ Ltd, UK
56// Beta release
57//
58// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
59///////////////////////////////////////////////////////////////////////////////
60//
61#include "G4GeneralSpaceNNCrossSection.hh"
62#include "G4DynamicParticle.hh"
63#include "G4Element.hh"
64#include "G4ParticleDefinition.hh"
65#include "G4ParticleTable.hh"
66#include "G4IonTable.hh"
67#include "G4HadTmpUtil.hh"
68
69#include <iomanip>
70
71
72G4GeneralSpaceNNCrossSection::G4GeneralSpaceNNCrossSection ()
73{
74 protonInelastic = new G4ProtonInelasticCrossSection();
75 ionProton = new G4IonProtonCrossSection();
76 TripathiGeneral = new G4TripathiCrossSection();
77 TripathiLight = new G4TripathiLightCrossSection();
78 Shen = new G4IonsShenCrossSection();
79
80 return;
81}
82
83
84G4GeneralSpaceNNCrossSection::~G4GeneralSpaceNNCrossSection ()
85{
86 delete protonInelastic;
87 delete ionProton;
88 delete TripathiGeneral;
89 delete TripathiLight;
90 delete Shen;
91}
92///////////////////////////////////////////////////////////////////////////////
93//
94
95G4bool G4GeneralSpaceNNCrossSection::IsIsoApplicable
96 (const G4DynamicParticle* theProjectile, G4int ZZ, G4int AA)
97{
98 G4bool result = protonInelastic->IsIsoApplicable(theProjectile, ZZ, AA);
99 if (!result)
100 {
101 result = ionProton->IsIsoApplicable(theProjectile, ZZ, AA);
102 if (!result)
103 {
104 result = TripathiGeneral->IsIsoApplicable(theProjectile, ZZ, AA);
105 if (!result)
106 result = Shen->IsIsoApplicable(theProjectile, ZZ, AA);
107 }
108 }
109 return result;
110}
111
112G4bool G4GeneralSpaceNNCrossSection::IsApplicable
113 (const G4DynamicParticle* theProjectile, const G4Element* theTarget)
114{
115 G4bool result = protonInelastic->IsApplicable(theProjectile, theTarget);
116 if (!result)
117 {
118 result = ionProton->IsApplicable(theProjectile, theTarget);
119 if (!result)
120 {
121 result = TripathiGeneral->IsApplicable(theProjectile, theTarget);
122 if (!result)
123 result = Shen->IsApplicable(theProjectile, theTarget);
124 }
125 }
126 return result;
127}
128///////////////////////////////////////////////////////////////////////////////
129//
130
131G4double G4GeneralSpaceNNCrossSection::GetCrossSection
132 (const G4DynamicParticle* theProjectile, const G4Element* theTarget,
133 G4double theTemperature)
134{
135 G4int nIso = theTarget->GetNumberOfIsotopes();
136 G4double xsection = 0;
137
138 if (nIso) {
139 G4double sig;
140 G4IsotopeVector* isoVector = theTarget->GetIsotopeVector();
141 G4double* abundVector = theTarget->GetRelativeAbundanceVector();
142 G4int ZZ;
143 G4int AA;
144
145 for (G4int i = 0; i < nIso; i++) {
146 ZZ = (*isoVector)[i]->GetZ();
147 AA = (*isoVector)[i]->GetN();
148 sig = GetZandACrossSection(theProjectile, ZZ, AA, theTemperature);
149 xsection += sig*abundVector[i];
150 }
151
152 } else {
153 G4int ZZ = G4lrint(theTarget->GetZ());
154 G4int AA = G4lrint(theTarget->GetN());
155 xsection = GetZandACrossSection(theProjectile, ZZ, AA, theTemperature);
156 }
157
158 return xsection;
159}
160
161
162G4double
163G4GeneralSpaceNNCrossSection::GetZandACrossSection(const G4DynamicParticle* theProjectile,
164 G4int ZZ, G4int AA, G4double theTemperature)
165{
166 G4double result = 0.0;
167
168 const G4double AT = AA;
169 const G4double ZT = ZZ;
170 const G4double AP = theProjectile->GetDefinition()->GetBaryonNumber();
171 const G4double ZP = theProjectile->GetDefinition()->GetPDGCharge();
172
173 if (verboseLevel >= 2)
174 {
175 G4cout <<"In G4GeneralSpaceNNCrossSection::GetCrossSection" <<G4endl;
176 G4cout <<"Projectile A = " <<std::setw(8) <<AP
177 <<" Z = " <<std::setw(8) <<ZP
178 <<" Energy = " <<theProjectile->GetKineticEnergy()/AP
179 <<" MeV/nuc" <<G4endl;
180 G4cout <<"Target A = " <<std::setw(8) <<AT
181 <<" Z = " <<std::setw(8) <<ZT
182 <<G4endl;
183 }
184 if (theProjectile->GetDefinition()==G4Proton::Proton())
185 {
186 if (ZT>5)
187 {
188 result = protonInelastic->
189 GetZandACrossSection(theProjectile, ZZ, AA, theTemperature);
190 if (verboseLevel >= 2)
191 G4cout <<"Selecting G4ProtonInelasticCrossSection" <<G4endl;
192 }
193 else
194 {
195 result = TripathiLight->
196 GetZandACrossSection(theProjectile, ZZ, AA, theTemperature);
197 if (verboseLevel >= 2)
198 G4cout <<"Selecting G4TripathiLightCrossSection" <<G4endl;
199 }
200 }
201 else if (AT==1 && ZT==1)
202 {
203 if (ZP>5)
204 {
205 result = ionProton->
206 GetZandACrossSection(theProjectile, ZZ, AA, theTemperature);
207 if (verboseLevel >= 2)
208 G4cout <<"Selecting G4IonProtonCrossSection" <<G4endl;
209 }
210 else
211 {
212 result = TripathiLight->
213 GetZandACrossSection(theProjectile, ZZ, AA, theTemperature);
214 if (verboseLevel >= 2)
215 G4cout <<"Selecting G4TripathiLightCrossSection" <<G4endl;
216 }
217 }
218 else
219 {
220 if (TripathiLight->IsIsoApplicable(theProjectile, ZZ, AA))
221 {
222 result = TripathiLight->
223 GetZandACrossSection(theProjectile, ZZ, AA, theTemperature);
224 if (verboseLevel >= 2)
225 G4cout <<"Selecting G4TripathiLightCrossSection" <<G4endl;
226 }
227 else if (TripathiGeneral->IsIsoApplicable(theProjectile, ZZ, AA))
228 {
229 result = TripathiGeneral->
230 GetZandACrossSection(theProjectile, ZZ, AA, theTemperature);
231 if (verboseLevel >= 2)
232 G4cout <<"Selecting G4TripathiCrossSection" <<G4endl;
233 }
234 else if (Shen->IsIsoApplicable(theProjectile, ZZ, AA))
235 {
236 result = Shen->
237 GetZandACrossSection(theProjectile, ZZ, AA, theTemperature);
238 if (verboseLevel >= 2)
239 G4cout <<"Selecting G4IonsShenCrossSection" <<G4endl;
240 }
241 }
242 if (verboseLevel >= 2)
243 {
244 G4cout <<"Cross-section = " <<result/millibarn <<" mbarn" <<G4endl;
245 G4cout <<G4endl;
246 }
247
248 return result;
249}
250
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