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24 | // ******************************************************************** |
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25 | // |
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26 | // $Id: G4HadronHElasticPhysics.cc,v 1.9 2010/06/03 14:28:32 vnivanch Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-04-beta-cand-01 $ |
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28 | // |
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29 | //--------------------------------------------------------------------------- |
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30 | // |
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31 | // ClassName: G4HadronHElasticPhysics |
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32 | // |
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33 | // Author: 23 November 2006 V. Ivanchenko |
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34 | // |
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35 | // Modified: |
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36 | // 21.03.07 (V.Ivanchenko) Use G4BGGNucleonElasticXS and G4BGGPionElasticXS; |
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37 | // Reduce thresholds for HE and Q-models to zero |
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38 | // 03.06.2010 V.Ivanchenko cleanup constructors and ConstructProcess method |
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39 | // |
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40 | //---------------------------------------------------------------------------- |
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41 | // |
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42 | // CHIPS for sampling scattering for p and n |
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43 | // Glauber model for samplimg of high energy pi+- (E > 1GeV) |
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44 | // LHEP sampling model for the other particle |
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45 | // BBG cross sections for p, n and pi+- |
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46 | // LHEP cross sections for other particles |
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47 | |
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48 | #include "G4HadronHElasticPhysics.hh" |
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49 | |
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50 | #include "G4ParticleDefinition.hh" |
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51 | #include "G4ProcessManager.hh" |
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52 | |
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53 | #include "G4MesonConstructor.hh" |
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54 | #include "G4BaryonConstructor.hh" |
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55 | #include "G4IonConstructor.hh" |
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56 | #include "G4Neutron.hh" |
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57 | |
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58 | #include "G4WHadronElasticProcess.hh" |
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59 | #include "G4VHadronElastic.hh" |
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60 | #include "G4CHIPSElastic.hh" |
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61 | #include "G4ElasticHadrNucleusHE.hh" |
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62 | #include "G4BGGNucleonElasticXS.hh" |
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63 | #include "G4BGGPionElasticXS.hh" |
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64 | #include "G4NeutronElasticXS.hh" |
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65 | |
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66 | G4HadronHElasticPhysics::G4HadronHElasticPhysics(G4int ver) |
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67 | : G4VPhysicsConstructor("hElasticWEL_CHIPS"), verbose(ver), |
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68 | wasActivated(false) |
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69 | { |
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70 | if(verbose > 1) { |
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71 | G4cout << "### G4HadronHElasticPhysics: " << GetPhysicsName() |
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72 | << G4endl; |
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73 | } |
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74 | } |
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75 | |
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76 | G4HadronHElasticPhysics::G4HadronHElasticPhysics(G4int ver, G4bool, |
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77 | const G4String&) |
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78 | : G4VPhysicsConstructor("hElasticWEL_CHIPS"), verbose(ver), |
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79 | wasActivated(false) |
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80 | { |
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81 | if(verbose > 1) { |
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82 | G4cout << "### G4HadronHElasticPhysics: " << GetPhysicsName() |
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83 | << G4endl; |
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84 | } |
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85 | } |
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86 | |
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87 | G4HadronHElasticPhysics::~G4HadronHElasticPhysics() |
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88 | {} |
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89 | |
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90 | void G4HadronHElasticPhysics::ConstructParticle() |
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91 | { |
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92 | // G4cout << "G4HadronElasticPhysics::ConstructParticle" << G4endl; |
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93 | G4MesonConstructor pMesonConstructor; |
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94 | pMesonConstructor.ConstructParticle(); |
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95 | |
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96 | G4BaryonConstructor pBaryonConstructor; |
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97 | pBaryonConstructor.ConstructParticle(); |
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98 | |
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99 | // Construct light ions |
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100 | G4IonConstructor pConstructor; |
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101 | pConstructor.ConstructParticle(); |
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102 | } |
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103 | |
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104 | void G4HadronHElasticPhysics::ConstructProcess() |
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105 | { |
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106 | if(wasActivated) { return; } |
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107 | wasActivated = true; |
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108 | |
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109 | G4double elimit = 1.0*GeV; |
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110 | if(verbose > 1) { |
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111 | G4cout << "### HadronElasticPhysics Construct Processes with HE limit " |
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112 | << elimit << " MeV" << G4endl; |
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113 | } |
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114 | |
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115 | G4VHadronElastic* plep0 = new G4VHadronElastic(); |
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116 | G4VHadronElastic* plep1 = new G4VHadronElastic(); |
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117 | plep1->SetMaxEnergy(elimit); |
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118 | |
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119 | G4CHIPSElastic* chipsp = new G4CHIPSElastic(); |
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120 | G4CHIPSElastic* chipsn = new G4CHIPSElastic(); |
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121 | |
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122 | G4ElasticHadrNucleusHE* he = new G4ElasticHadrNucleusHE(); |
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123 | he->SetMinEnergy(elimit); |
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124 | |
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125 | theParticleIterator->reset(); |
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126 | while( (*theParticleIterator)() ) |
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127 | { |
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128 | G4ParticleDefinition* particle = theParticleIterator->value(); |
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129 | G4String pname = particle->GetParticleName(); |
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130 | if(pname == "anti_lambda" || |
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131 | pname == "anti_neutron" || |
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132 | pname == "anti_omega-" || |
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133 | pname == "anti_proton" || |
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134 | pname == "anti_sigma-" || |
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135 | pname == "anti_sigma+" || |
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136 | pname == "anti_xi-" || |
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137 | pname == "anti_xi0" || |
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138 | pname == "kaon-" || |
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139 | pname == "kaon+" || |
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140 | pname == "kaon0S" || |
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141 | pname == "kaon0L" || |
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142 | pname == "lambda" || |
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143 | pname == "omega-" || |
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144 | pname == "pi-" || |
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145 | pname == "pi+" || |
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146 | pname == "proton" || |
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147 | pname == "sigma-" || |
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148 | pname == "sigma+" || |
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149 | pname == "xi-" || |
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150 | pname == "alpha" || |
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151 | pname == "deuteron" || |
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152 | pname == "triton") { |
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153 | |
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154 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
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155 | G4WHadronElasticProcess* hel = new G4WHadronElasticProcess(); |
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156 | if(pname == "proton") { |
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157 | hel->AddDataSet(new G4BGGNucleonElasticXS(particle)); |
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158 | hel->RegisterMe(chipsp); |
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159 | } else if (pname == "pi+" || pname == "pi-") { |
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160 | hel->AddDataSet(new G4BGGPionElasticXS(particle)); |
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161 | hel->RegisterMe(plep1); |
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162 | hel->RegisterMe(he); |
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163 | } else { |
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164 | hel->RegisterMe(plep0); |
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165 | } |
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166 | pmanager->AddDiscreteProcess(hel); |
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167 | if(verbose > 1) { |
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168 | G4cout << "### HadronHElasticPhysics: " << hel->GetProcessName() |
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169 | << " added for " << particle->GetParticleName() << G4endl; |
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170 | } |
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171 | |
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172 | // neutron case |
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173 | } else if(pname == "neutron") { |
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174 | |
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175 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
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176 | G4WHadronElasticProcess* hel = new G4WHadronElasticProcess(); |
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177 | hel->AddDataSet(new G4BGGNucleonElasticXS(particle)); |
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178 | hel->RegisterMe(chipsn); |
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179 | |
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180 | pmanager->AddDiscreteProcess(hel); |
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181 | |
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182 | if(verbose > 1) { |
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183 | G4cout << "### HadronHElasticPhysics: " << hel->GetProcessName() |
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184 | << " added for " << particle->GetParticleName() << G4endl; |
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185 | } |
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186 | } |
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187 | } |
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188 | } |
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189 | |
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190 | |
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