source: trunk/source/processes/hadronic/cross_sections/src/G4GeneralSpaceNNCrossSection.cc@ 1315

Last change on this file since 1315 was 819, checked in by garnier, 17 years ago

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[819]1//
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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
68#include <iomanip>
69///////////////////////////////////////////////////////////////////////////////
70//
71G4GeneralSpaceNNCrossSection::G4GeneralSpaceNNCrossSection ()
72{
73 protonInelastic = new G4ProtonInelasticCrossSection();
74 ionProton = new G4IonProtonCrossSection();
75 TripathiGeneral = new G4TripathiCrossSection();
76 TripathiLight = new G4TripathiLightCrossSection();
77 Shen = new G4IonsShenCrossSection();
78
79 return;
80}
81///////////////////////////////////////////////////////////////////////////////
82//
83G4GeneralSpaceNNCrossSection::~G4GeneralSpaceNNCrossSection ()
84{
85 delete protonInelastic;
86 delete ionProton;
87 delete TripathiGeneral;
88 delete TripathiLight;
89 delete Shen;
90}
91///////////////////////////////////////////////////////////////////////////////
92//
93
94G4bool G4GeneralSpaceNNCrossSection::IsZAApplicable
95 (const G4DynamicParticle* theProjectile, G4double ZZ, G4double AA)
96{
97 G4bool result = protonInelastic->IsZAApplicable(theProjectile, ZZ, AA);
98 if (!result)
99 {
100 result = ionProton->IsZAApplicable(theProjectile, ZZ, AA);
101 if (!result)
102 {
103 result = TripathiGeneral->IsZAApplicable(theProjectile, ZZ, AA);
104 if (!result)
105 result = Shen->IsZAApplicable(theProjectile, ZZ, AA);
106 }
107 }
108 return result;
109}
110
111G4bool G4GeneralSpaceNNCrossSection::IsApplicable
112 (const G4DynamicParticle* theProjectile, const G4Element* theTarget)
113{
114 G4bool result = protonInelastic->IsApplicable(theProjectile, theTarget);
115 if (!result)
116 {
117 result = ionProton->IsApplicable(theProjectile, theTarget);
118 if (!result)
119 {
120 result = TripathiGeneral->IsApplicable(theProjectile, theTarget);
121 if (!result)
122 result = Shen->IsApplicable(theProjectile, theTarget);
123 }
124 }
125 return result;
126}
127///////////////////////////////////////////////////////////////////////////////
128//
129
130G4double G4GeneralSpaceNNCrossSection::GetCrossSection
131 (const G4DynamicParticle* theProjectile, const G4Element* theTarget,
132 G4double theTemperature)
133{
134 G4int nIso = theTarget->GetNumberOfIsotopes();
135 G4double xsection = 0;
136
137 if (nIso) {
138 G4double sig;
139 G4IsotopeVector* isoVector = theTarget->GetIsotopeVector();
140 G4double* abundVector = theTarget->GetRelativeAbundanceVector();
141 G4double ZZ;
142 G4double AA;
143
144 for (G4int i = 0; i < nIso; i++) {
145 ZZ = G4double( (*isoVector)[i]->GetZ() );
146 AA = G4double( (*isoVector)[i]->GetN() );
147 sig = GetIsoZACrossSection(theProjectile, ZZ, AA, theTemperature);
148 xsection += sig*abundVector[i];
149 }
150
151 } else {
152 xsection =
153 GetIsoZACrossSection(theProjectile, theTarget->GetZ(), theTarget->GetN(),
154 theTemperature);
155 }
156
157 return xsection;
158}
159
160
161G4double G4GeneralSpaceNNCrossSection::GetIsoZACrossSection
162 (const G4DynamicParticle* theProjectile, G4double ZZ, G4double AA,
163 G4double theTemperature)
164{
165 G4double result = 0.0;
166
167 const G4double AT = AA;
168 const G4double ZT = ZZ;
169 const G4double AP = theProjectile->GetDefinition()->GetBaryonNumber();
170 const G4double ZP = theProjectile->GetDefinition()->GetPDGCharge();
171
172 if (verboseLevel >= 2)
173 {
174 G4cout <<"In G4GeneralSpaceNNCrossSection::GetCrossSection" <<G4endl;
175 G4cout <<"Projectile A = " <<std::setw(8) <<AP
176 <<" Z = " <<std::setw(8) <<ZP
177 <<" Energy = " <<theProjectile->GetKineticEnergy()/AP
178 <<" MeV/nuc" <<G4endl;
179 G4cout <<"Target A = " <<std::setw(8) <<AT
180 <<" Z = " <<std::setw(8) <<ZT
181 <<G4endl;
182 }
183 if (theProjectile->GetDefinition()==G4Proton::Proton())
184 {
185 if (ZT>5)
186 {
187 result = protonInelastic->
188 GetIsoZACrossSection(theProjectile, ZZ, AA, theTemperature);
189 if (verboseLevel >= 2)
190 G4cout <<"Selecting G4ProtonInelasticCrossSection" <<G4endl;
191 }
192 else
193 {
194 result = TripathiLight->
195 GetIsoZACrossSection(theProjectile, ZZ, AA, theTemperature);
196 if (verboseLevel >= 2)
197 G4cout <<"Selecting G4TripathiLightCrossSection" <<G4endl;
198 }
199 }
200 else if (AT==1 && ZT==1)
201 {
202 if (ZP>5)
203 {
204 result = ionProton->
205 GetIsoZACrossSection(theProjectile, ZZ, AA, theTemperature);
206 if (verboseLevel >= 2)
207 G4cout <<"Selecting G4IonProtonCrossSection" <<G4endl;
208 }
209 else
210 {
211 result = TripathiLight->
212 GetIsoZACrossSection(theProjectile, ZZ, AA, theTemperature);
213 if (verboseLevel >= 2)
214 G4cout <<"Selecting G4TripathiLightCrossSection" <<G4endl;
215 }
216 }
217 else
218 {
219 if (TripathiLight->IsZAApplicable(theProjectile, ZZ, AA))
220 {
221 result = TripathiLight->
222 GetIsoZACrossSection(theProjectile, ZZ, AA, theTemperature);
223 if (verboseLevel >= 2)
224 G4cout <<"Selecting G4TripathiLightCrossSection" <<G4endl;
225 }
226 else if (TripathiGeneral->IsZAApplicable(theProjectile, ZZ, AA))
227 {
228 result = TripathiGeneral->
229 GetIsoZACrossSection(theProjectile, ZZ, AA, theTemperature);
230 if (verboseLevel >= 2)
231 G4cout <<"Selecting G4TripathiCrossSection" <<G4endl;
232 }
233 else if (Shen->IsZAApplicable(theProjectile, ZZ, AA))
234 {
235 result = Shen->
236 GetIsoZACrossSection(theProjectile, ZZ, AA, theTemperature);
237 if (verboseLevel >= 2)
238 G4cout <<"Selecting G4IonsShenCrossSection" <<G4endl;
239 }
240 }
241 if (verboseLevel >= 2)
242 {
243 G4cout <<"Cross-section = " <<result/millibarn <<" mbarn" <<G4endl;
244 G4cout <<G4endl;
245 }
246
247 return result;
248}
249///////////////////////////////////////////////////////////////////////////////
250//
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