1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // $Id: G4QLowEnergy.cc,v 1.7 2008/10/02 21:10:07 dennis Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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28 | // |
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29 | // ---------------- G4QLowEnergy class ----------------- |
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30 | // by Mikhail Kossov, Aug 2007. |
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31 | // G4QLowEnergy class of the CHIPS Simulation Branch in GEANT4 |
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32 | // --------------------------------------------------------------- |
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33 | // **************************************************************************************** |
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34 | // ********** This CLASS is temporary moved from the "chips/interface" directory ********* |
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35 | // **************************************************************************************** |
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36 | |
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37 | //#define debug |
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38 | //#define pdebug |
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39 | //#define tdebug |
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40 | //#define nandebug |
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41 | //#define ppdebug |
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42 | |
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43 | #include "G4QLowEnergy.hh" |
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44 | |
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45 | // Initialization of static vectors |
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46 | G4int G4QLowEnergy::nPartCWorld=152; // #of particles initialized in CHIPS |
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47 | std::vector<G4int> G4QLowEnergy::ElementZ; // Z of element(i) in theLastCalc |
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48 | std::vector<G4double> G4QLowEnergy::ElProbInMat; // SumProbOfElem in Material |
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49 | std::vector<std::vector<G4int>*> G4QLowEnergy::ElIsoN;// N of isotope(j), E(i) |
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50 | std::vector<std::vector<G4double>*>G4QLowEnergy::IsoProbInEl;//SumProbIsotE(i) |
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51 | |
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52 | // Constructor |
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53 | G4QLowEnergy::G4QLowEnergy(const G4String& processName): |
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54 | G4VDiscreteProcess(processName, fHadronic), evaporate(true) |
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55 | { |
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56 | #ifdef debug |
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57 | G4cout<<"G4QLowEnergy::Constructor is called processName="<<processName<<G4endl; |
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58 | #endif |
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59 | if (verboseLevel>0) G4cout<<GetProcessName()<<" process is created "<<G4endl; |
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60 | SetProcessSubType(fHadronInelastic); |
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61 | G4QCHIPSWorld::Get()->GetParticles(nPartCWorld); // Create CHIPS World (234 part. max) |
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62 | } |
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63 | |
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64 | // Destructor |
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65 | G4QLowEnergy::~G4QLowEnergy() {} |
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66 | |
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67 | |
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68 | G4LorentzVector G4QLowEnergy::GetEnegryMomentumConservation(){return EnMomConservation;} |
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69 | |
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70 | G4int G4QLowEnergy::GetNumberOfNeutronsInTarget() {return nOfNeutrons;} |
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71 | |
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72 | // output of the function must be in units of length! L=1/sig_V,sig_V=SUM(n(j,i)*sig(j,i)), |
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73 | // where n(i,j) is a number of nuclei of the isotop j of the element i in V=1(lengtUnit^3) |
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74 | // ********** All CHIPS cross sections are calculated in the surface units ************ |
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75 | G4double G4QLowEnergy::GetMeanFreePath(const G4Track&Track, G4double, G4ForceCondition*F) |
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76 | { |
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77 | *F = NotForced; |
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78 | const G4DynamicParticle* incidentParticle = Track.GetDynamicParticle(); |
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79 | G4ParticleDefinition* incidentParticleDefinition=incidentParticle->GetDefinition(); |
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80 | if( !IsApplicable(*incidentParticleDefinition)) |
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81 | G4cout<<"-Warning-G4QLowEnergy::GetMeanFreePath for notImplemented Particle"<<G4endl; |
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82 | // Calculate the mean Cross Section for the set of Elements(*Isotopes) in the Material |
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83 | G4double Momentum = incidentParticle->GetTotalMomentum(); // 3-momentum of the Particle |
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84 | #ifdef debug |
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85 | G4double KinEn = incidentParticle->GetKineticEnergy(); |
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86 | G4cout<<"G4QLowEnergy::GetMeanFreePath:Prpj, kinE="<<KinEn<<", Mom="<<Momentum<<G4endl; |
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87 | #endif |
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88 | const G4Material* material = Track.GetMaterial(); // Get the current material |
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89 | const G4double* NOfNucPerVolume = material->GetVecNbOfAtomsPerVolume(); |
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90 | const G4ElementVector* theElementVector = material->GetElementVector(); |
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91 | G4int nE=material->GetNumberOfElements(); |
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92 | #ifdef debug |
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93 | G4cout<<"G4QLowEnergy::GetMeanFreePath:"<<nE<<" Elems"<<G4endl; |
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94 | #endif |
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95 | G4VQCrossSection* CSmanager=G4QIonIonCrossSection::GetPointer(); |
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96 | G4int pPDG=0; |
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97 | // @@ At present it is made only for n & p, but can be extended if inXS are available |
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98 | if ( incidentParticleDefinition == G4Deuteron::Deuteron() ) pPDG = 100001002; |
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99 | else if ( incidentParticleDefinition == G4Alpha::Alpha() ) pPDG = 100002004; |
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100 | else if ( incidentParticleDefinition == G4Triton::Triton() ) pPDG = 100001003; |
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101 | else if ( incidentParticleDefinition == G4He3::He3() ) pPDG = 100002003; |
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102 | else if ( incidentParticleDefinition == G4GenericIon::GenericIon() ) |
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103 | { |
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104 | pPDG=incidentParticleDefinition->GetPDGEncoding(); |
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105 | #ifdef debug |
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106 | G4int B=incidentParticleDefinition->GetBaryonNumber(); |
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107 | G4int C=incidentParticleDefinition->GetPDGCharge(); |
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108 | prPDG=100000000+1000*C+B; |
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109 | G4cout<<"G4QIonIonElastic::GetMeanFreePath: PDG="<<prPDG<<"="<<pPDG<<G4endl; |
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110 | #endif |
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111 | } |
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112 | else G4cout<<"-Warning-G4QLowEnergy::GetMeanFreePath: only AA are implemented"<<G4endl; |
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113 | Momentum/=incidentParticleDefinition->GetBaryonNumber(); // Divide Mom by projectile A |
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114 | G4QIsotope* Isotopes = G4QIsotope::Get(); // Pointer to the G4QIsotopes singleton |
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115 | G4double sigma=0.; // Sums over elements for the material |
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116 | G4int IPIE=IsoProbInEl.size(); // How many old elements? |
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117 | if(IPIE) for(G4int ip=0; ip<IPIE; ++ip) // Clean up the SumProb's of Isotopes (SPI) |
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118 | { |
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119 | std::vector<G4double>* SPI=IsoProbInEl[ip]; // Pointer to the SPI vector |
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120 | SPI->clear(); |
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121 | delete SPI; |
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122 | std::vector<G4int>* IsN=ElIsoN[ip]; // Pointer to the N vector |
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123 | IsN->clear(); |
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124 | delete IsN; |
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125 | } |
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126 | ElProbInMat.clear(); // Clean up the SumProb's of Elements (SPE) |
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127 | ElementZ.clear(); // Clear the body vector for Z of Elements |
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128 | IsoProbInEl.clear(); // Clear the body vector for SPI |
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129 | ElIsoN.clear(); // Clear the body vector for N of Isotopes |
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130 | for(G4int i=0; i<nE; ++i) |
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131 | { |
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132 | G4Element* pElement=(*theElementVector)[i]; // Pointer to the current element |
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133 | G4int Z = static_cast<G4int>(pElement->GetZ()); // Z of the Element |
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134 | ElementZ.push_back(Z); // Remember Z of the Element |
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135 | G4int isoSize=0; // The default for the isoVectorLength is 0 |
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136 | G4int indEl=0; // Index of non-natural element or 0(default) |
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137 | G4IsotopeVector* isoVector=pElement->GetIsotopeVector(); // Get the predefined IsoVect |
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138 | if(isoVector) isoSize=isoVector->size();// Get size of the existing isotopeVector |
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139 | #ifdef debug |
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140 | G4cout<<"G4QLowEnergy::GetMeanFreePath: isovector Length="<<isoSize<<G4endl; |
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141 | #endif |
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142 | if(isoSize) // The Element has non-trivial abundance set |
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143 | { |
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144 | indEl=pElement->GetIndex()+1; // Index of the non-trivial element is an order |
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145 | #ifdef debug |
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146 | G4cout<<"G4QLowEn::GetMFP:iE="<<indEl<<",def="<<Isotopes->IsDefined(Z,indEl)<<G4endl; |
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147 | #endif |
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148 | if(!Isotopes->IsDefined(Z,indEl)) // This index is not defined for this Z: define |
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149 | { |
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150 | std::vector<std::pair<G4int,G4double>*>* newAbund = |
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151 | new std::vector<std::pair<G4int,G4double>*>; |
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152 | G4double* abuVector=pElement->GetRelativeAbundanceVector(); |
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153 | for(G4int j=0; j<isoSize; j++) // Calculation of abundance vector for isotopes |
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154 | { |
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155 | G4int N=pElement->GetIsotope(j)->GetN()-Z; // N means A=N+Z ! |
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156 | if(pElement->GetIsotope(j)->GetZ()!=Z)G4cerr<<"G4QDiffract::GetMeanFreePath: Z=" |
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157 | <<pElement->GetIsotope(j)->GetZ()<<"#"<<Z<<G4endl; |
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158 | G4double abund=abuVector[j]; |
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159 | std::pair<G4int,G4double>* pr= new std::pair<G4int,G4double>(N,abund); |
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160 | #ifdef debug |
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161 | G4cout<<"G4QLowEnergy::GetMeanFreePath:pair#"<<j<<",N="<<N<<",a="<<abund<<G4endl; |
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162 | #endif |
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163 | newAbund->push_back(pr); |
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164 | } |
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165 | #ifdef debug |
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166 | G4cout<<"G4QLowEnergy::GetMeanFreePath: pairVectLength="<<newAbund->size()<<G4endl; |
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167 | #endif |
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168 | indEl=G4QIsotope::Get()->InitElement(Z,indEl,newAbund); // definition of the newInd |
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169 | for(G4int k=0; k<isoSize; k++) delete (*newAbund)[k]; // Cleaning temporary |
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170 | delete newAbund; // Was "new" in the beginning of the name space |
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171 | } |
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172 | } |
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173 | std::vector<std::pair<G4int,G4double>*>* cs= Isotopes->GetCSVector(Z,indEl);//CSPointer |
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174 | std::vector<G4double>* SPI = new std::vector<G4double>; // Pointer to the SPI vector |
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175 | IsoProbInEl.push_back(SPI); |
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176 | std::vector<G4int>* IsN = new std::vector<G4int>; // Pointer to the N vector |
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177 | ElIsoN.push_back(IsN); |
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178 | G4int nIs=cs->size(); // A#Of Isotopes in the Element |
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179 | #ifdef debug |
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180 | G4cout<<"G4QLowEnergy::GetMFP:***=>,#isot="<<nIs<<", Z="<<Z<<", indEl="<<indEl<<G4endl; |
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181 | #endif |
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182 | G4double susi=0.; // sum of CS over isotopes |
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183 | if(nIs) for(G4int j=0; j<nIs; j++) // Calculate CS for eachIsotope of El |
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184 | { |
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185 | std::pair<G4int,G4double>* curIs=(*cs)[j]; // A pointer, which is used twice |
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186 | G4int N=curIs->first; // #of Neuterons in the isotope j of El i |
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187 | IsN->push_back(N); // Remember Min N for the Element |
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188 | #ifdef debug |
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189 | G4cout<<"G4QLowE::GMFP:true,P="<<Momentum<<",Z="<<Z<<",N="<<N<<",PDG="<<pPDG<<G4endl; |
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190 | #endif |
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191 | G4bool ccsf=true; // Extract inelastic Ion-Ion cross-section |
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192 | #ifdef debug |
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193 | G4cout<<"G4QLowEnergy::GMFP: GetCS #1 j="<<j<<G4endl; |
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194 | #endif |
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195 | G4double CSI=CSmanager->GetCrossSection(ccsf,Momentum,Z,N,pPDG);//CS(j,i) for isotope |
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196 | #ifdef debug |
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197 | G4cout<<"G4QLowEnergy::GetMeanFreePath: jI="<<j<<", Zt="<<Z<<", Nt="<<N<<", Mom=" |
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198 | <<Momentum<<", XSec="<<CSI/millibarn<<G4endl; |
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199 | #endif |
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200 | curIs->second = CSI; |
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201 | susi+=CSI; // Make a sum per isotopes |
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202 | SPI->push_back(susi); // Remember summed cross-section |
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203 | } // End of temporary initialization of the cross sections in the G4QIsotope singeltone |
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204 | sigma+=Isotopes->GetMeanCrossSection(Z,indEl)*NOfNucPerVolume[i];//SUM(MeanCS*NOfNperV) |
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205 | #ifdef debug |
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206 | G4cout<<"G4QLowEnergy::GetMeanFreePath:<XS>="<<Isotopes->GetMeanCrossSection(Z,indEl) |
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207 | <<",AddSigm="<<Isotopes->GetMeanCrossSection(Z,indEl)*NOfNucPerVolume[i]<<G4endl; |
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208 | #endif |
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209 | ElProbInMat.push_back(sigma); |
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210 | } // End of LOOP over Elements |
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211 | // Check that cross section is not zero and return the mean free path |
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212 | #ifdef debug |
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213 | G4cout<<"G4QLowEnergy::GetMeanFreePath: MeanFreePath="<<1./sigma<<G4endl; |
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214 | #endif |
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215 | if(sigma > 0.) return 1./sigma; // Mean path [distance] |
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216 | return DBL_MAX; |
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217 | } |
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218 | |
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219 | G4bool G4QLowEnergy::IsApplicable(const G4ParticleDefinition& particle) |
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220 | { |
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221 | if (particle == *( G4Proton::Proton() )) return true; |
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222 | else if (particle == *( G4Neutron::Neutron() )) return true; |
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223 | else if (particle == *( G4Deuteron::Deuteron() )) return true; |
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224 | else if (particle == *( G4Alpha::Alpha() )) return true; |
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225 | else if (particle == *( G4Triton::Triton() )) return true; |
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226 | else if (particle == *( G4He3::He3() )) return true; |
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227 | else if (particle == *( G4GenericIon::GenericIon() )) return true; |
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228 | #ifdef debug |
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229 | G4cout<<"***>>G4QLowEnergy::IsApplicable: projPDG="<<particle.GetPDGEncoding()<<G4endl; |
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230 | #endif |
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231 | return false; |
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232 | } |
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233 | |
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234 | G4VParticleChange* G4QLowEnergy::PostStepDoIt(const G4Track& track, const G4Step& step) |
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235 | { |
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236 | static const G4double mProt= G4QPDGCode(2212).GetMass()/MeV; // CHIPS proton Mass in MeV |
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237 | static const G4double mNeut= G4QPDGCode(2112).GetMass()/MeV; // CHIPS neutron Mass in MeV |
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238 | static const G4double mLamb= G4QPDGCode(3122).GetMass()/MeV; // CHIPS Lambda Mass in MeV |
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239 | static const G4double mDeut= G4QPDGCode(2112).GetNuclMass(1,1,0)/MeV; |
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240 | static const G4double mTrit= G4QPDGCode(2112).GetNuclMass(1,2,0)/MeV; |
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241 | static const G4double mHel3= G4QPDGCode(2112).GetNuclMass(2,1,0)/MeV; |
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242 | static const G4double mAlph= G4QPDGCode(2112).GetNuclMass(2,2,0)/MeV; |
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243 | static const G4ThreeVector zeroMom(0.,0.,0.); |
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244 | static G4ParticleDefinition* aGamma = G4Gamma::Gamma(); |
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245 | static G4ParticleDefinition* aProton = G4Proton::Proton(); |
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246 | static G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
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247 | static G4ParticleDefinition* aLambda = G4Lambda::Lambda(); |
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248 | static G4ParticleDefinition* aDeuteron = G4Deuteron::Deuteron(); |
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249 | static G4ParticleDefinition* aTriton = G4Triton::Triton(); |
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250 | static G4ParticleDefinition* aHe3 = G4He3::He3(); |
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251 | static G4ParticleDefinition* anAlpha = G4Alpha::Alpha(); |
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252 | static const G4int nCh=26; // #of combinations |
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253 | static G4QNucleus Nuc; // A fake nucleus to call Evaporation |
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254 | // |
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255 | //------------------------------------------------------------------------------------- |
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256 | static G4bool CWinit = true; // CHIPS Warld needs to be initted |
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257 | if(CWinit) |
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258 | { |
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259 | CWinit=false; |
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260 | G4QCHIPSWorld::Get()->GetParticles(nPartCWorld); // Create CHIPS World (234 part.max) |
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261 | } |
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262 | //------------------------------------------------------------------------------------- |
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263 | const G4DynamicParticle* projHadron = track.GetDynamicParticle(); |
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264 | const G4ParticleDefinition* particle=projHadron->GetDefinition(); |
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265 | #ifdef debug |
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266 | G4cout<<"G4QLowEnergy::PostStepDoIt: Before the GetMeanFreePath is called In4M=" |
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267 | <<projHadron->Get4Momentum()<<" of PDG="<<particle->GetPDGEncoding()<<", Type=" |
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268 | <<particle->GetParticleType()<<",SubType="<<particle->GetParticleSubType()<<G4endl; |
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269 | #endif |
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270 | //G4ForceCondition cond=NotForced; |
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271 | //GetMeanFreePath(track, -27., &cond); // @@ ?? jus to update parameters? |
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272 | #ifdef debug |
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273 | G4cout<<"G4QLowEnergy::PostStepDoIt: After GetMeanFreePath is called"<<G4endl; |
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274 | #endif |
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275 | G4LorentzVector proj4M=(projHadron->Get4Momentum())/MeV; // Convert to MeV! |
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276 | G4double momentum = projHadron->GetTotalMomentum()/MeV; // 3-momentum of the Proj in MeV |
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277 | G4double Momentum = proj4M.rho(); // @@ Just for the test purposes |
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278 | if(std::fabs(Momentum-momentum)>.000001) |
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279 | G4cerr<<"-Warning-G4QLowEnergy::PostStepDoIt:P_IU="<<Momentum<<"#"<<momentum<<G4endl; |
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280 | #ifdef pdebug |
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281 | G4cout<<"G4QLowEnergy::PostStepDoIt: pP(IU)="<<Momentum<<"="<<momentum<<",proj4M/m=" |
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282 | <<proj4M<<proj4M.m()<<G4endl; |
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283 | #endif |
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284 | if (!IsApplicable(*particle)) // Check applicability |
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285 | { |
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286 | G4cerr<<"G4QLowEnergy::PostStepDoIt: Only NA is implemented."<<G4endl; |
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287 | return 0; |
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288 | } |
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289 | const G4Material* material = track.GetMaterial(); // Get the current material |
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290 | const G4ElementVector* theElementVector = material->GetElementVector(); |
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291 | G4int nE=material->GetNumberOfElements(); |
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292 | #ifdef debug |
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293 | G4cout<<"G4QLowEnergy::PostStepDoIt: "<<nE<<" elements in the material."<<G4endl; |
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294 | #endif |
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295 | G4int projPDG=0; // PDG Code prototype for the captured hadron |
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296 | // Not all these particles are implemented yet (see Is Applicable) |
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297 | if (particle == G4Proton::Proton() ) projPDG= 2212; |
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298 | else if (particle == G4Neutron::Neutron() ) projPDG= 2112; |
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299 | else if (particle == G4Deuteron::Deuteron() ) projPDG= 100001002; |
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300 | else if (particle == G4Alpha::Alpha() ) projPDG= 100002004; |
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301 | else if (particle == G4Triton::Triton() ) projPDG= 100001003; |
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302 | else if (particle == G4He3::He3() ) projPDG= 100002003; |
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303 | else if (particle == G4GenericIon::GenericIon() ) |
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304 | { |
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305 | projPDG=particle->GetPDGEncoding(); |
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306 | #ifdef debug |
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307 | G4int B=particle->GetBaryonNumber(); |
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308 | G4int C=particle->GetPDGCharge(); |
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309 | prPDG=100000000+1000*C+B; |
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310 | G4cout<<"G4QLowEnergy::PostStepDoIt: PDG="<<prPDG<<"="<<projPDG<<G4endl; |
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311 | #endif |
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312 | } |
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313 | else G4cout<<"-Warning-G4QLowEnergy::PostStepDoIt:Unknown projectile Ion"<<G4endl; |
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314 | #ifdef debug |
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315 | G4int prPDG=particle->GetPDGEncoding(); |
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316 | G4cout<<"G4QLowEnergy::PostStepDoIt: projPDG="<<projPDG<<", stPDG="<<prPDG<<G4endl; |
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317 | #endif |
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318 | if(!projPDG) |
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319 | { |
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320 | G4cerr<<"-Warning-G4QLowEnergy::PostStepDoIt:UndefProjHadron(PDG=0) ->ret 0"<<G4endl; |
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321 | return 0; |
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322 | } |
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323 | // Element treatment |
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324 | G4int EPIM=ElProbInMat.size(); |
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325 | #ifdef debug |
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326 | G4cout<<"G4QLowEn::PostStDoIt: m="<<EPIM<<", n="<<nE<<",T="<<ElProbInMat[EPIM-1]<<G4endl; |
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327 | #endif |
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328 | G4int i=0; |
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329 | if(EPIM>1) |
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330 | { |
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331 | G4double rnd = ElProbInMat[EPIM-1]*G4UniformRand(); |
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332 | for(i=0; i<nE; ++i) |
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333 | { |
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334 | #ifdef debug |
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335 | G4cout<<"G4QLowEn::PostStepDoIt: EPM["<<i<<"]="<<ElProbInMat[i]<<", r="<<rnd<<G4endl; |
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336 | #endif |
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337 | if (rnd<ElProbInMat[i]) break; |
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338 | } |
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339 | if(i>=nE) i=nE-1; // Top limit for the Element |
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340 | } |
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341 | G4Element* pElement=(*theElementVector)[i]; |
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342 | G4int tZ=static_cast<G4int>(pElement->GetZ()); |
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343 | #ifdef debug |
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344 | G4cout<<"G4QLowEnergy::PostStepDoIt: i="<<i<<", Z(element)="<<tZ<<G4endl; |
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345 | #endif |
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346 | if(tZ<=0) |
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347 | { |
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348 | G4cerr<<"-Warning-G4QLowEnergy::PostStepDoIt: Element with Z="<<tZ<<G4endl; |
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349 | if(tZ<0) return 0; |
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350 | } |
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351 | std::vector<G4double>* SPI = IsoProbInEl[i];// Vector of summedProbabilities for isotopes |
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352 | std::vector<G4int>* IsN = ElIsoN[i]; // Vector of "#of neutrons" in the isotope El[i] |
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353 | G4int nofIsot=SPI->size(); // #of isotopes in the element i |
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354 | #ifdef debug |
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355 | G4cout<<"G4QLowEnergy::PostStepDoIt: nI="<<nofIsot<<", T="<<(*SPI)[nofIsot-1]<<G4endl; |
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356 | #endif |
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357 | G4int j=0; |
---|
358 | if(nofIsot>1) |
---|
359 | { |
---|
360 | G4double rndI=(*SPI)[nofIsot-1]*G4UniformRand(); // Randomize the isotop of the Element |
---|
361 | for(j=0; j<nofIsot; ++j) |
---|
362 | { |
---|
363 | #ifdef debug |
---|
364 | G4cout<<"G4QLowEnergy::PostStepDoIt: SP["<<j<<"]="<<(*SPI)[j]<<",r="<<rndI<<G4endl; |
---|
365 | #endif |
---|
366 | if(rndI < (*SPI)[j]) break; |
---|
367 | } |
---|
368 | if(j>=nofIsot) j=nofIsot-1; // Top limit for the isotope |
---|
369 | } |
---|
370 | G4int tN =(*IsN)[j]; ; // Randomized number of neutrons |
---|
371 | #ifdef debug |
---|
372 | G4cout<<"G4QLowEnergy::PostStepDoIt: j="<<i<<", N(isotope)="<<tN<<", MeV="<<MeV<<G4endl; |
---|
373 | #endif |
---|
374 | if(tN<0) |
---|
375 | { |
---|
376 | G4cerr<<"-Warning-G4QLowEnergy::PostStepDoIt: Isotope Z="<<tZ<<" has 0>N="<<tN<<G4endl; |
---|
377 | return 0; |
---|
378 | } |
---|
379 | nOfNeutrons=tN; // Remember it for the energy-momentum check |
---|
380 | #ifdef debug |
---|
381 | G4cout<<"G4QLowEnergy::PostStepDoIt: N="<<tN<<" for element with Z="<<tZ<<G4endl; |
---|
382 | #endif |
---|
383 | if(tN<0) |
---|
384 | { |
---|
385 | G4cerr<<"*Warning*G4QLowEnergy::PostStepDoIt:Element with N="<<tN<< G4endl; |
---|
386 | return 0; |
---|
387 | } |
---|
388 | aParticleChange.Initialize(track); |
---|
389 | #ifdef debug |
---|
390 | G4cout<<"G4QLowEnergy::PostStepDoIt: track is initialized"<<G4endl; |
---|
391 | #endif |
---|
392 | G4double weight = track.GetWeight(); |
---|
393 | G4double localtime = track.GetGlobalTime(); |
---|
394 | G4ThreeVector position = track.GetPosition(); |
---|
395 | #ifdef debug |
---|
396 | G4cout<<"G4QLowEnergy::PostStepDoIt: before Touchable extraction"<<G4endl; |
---|
397 | #endif |
---|
398 | G4TouchableHandle trTouchable = track.GetTouchableHandle(); |
---|
399 | #ifdef debug |
---|
400 | G4cout<<"G4QLowEnergy::PostStepDoIt: Touchable is extracted"<<G4endl; |
---|
401 | #endif |
---|
402 | G4QPDGCode targQPDG(90000000+tZ*1000+tN); // @@ use G4Ion and get rid of CHIPS World |
---|
403 | G4double tM=targQPDG.GetMass(); // CHIPS target nucleus mass in MeV |
---|
404 | G4int pL=particle->GetQuarkContent(3)-particle->GetAntiQuarkContent(3); // Strangeness |
---|
405 | G4int pZ=static_cast<G4int>(particle->GetPDGCharge()); // Charge of the projectile |
---|
406 | G4int pN=particle->GetBaryonNumber()-pZ-pL;// #of neutrons in projectile |
---|
407 | G4double pM=targQPDG.GetNuclMass(pZ,pN,0); // CHIPS projectile nucleus mass in MeV |
---|
408 | G4double cosp=-14*Momentum*(tM-pM)/tM/pM; // Asymmetry power for angular distribution |
---|
409 | #ifdef debug |
---|
410 | G4cout<<"G4QLowEnergy::PoStDoIt: Proj("<<pZ<<","<<pN<<","<<pL<<")p="<<pM<<",Targ=("<<tZ |
---|
411 | <<","<<tN<<"), cosp="<<cosp<<G4endl; |
---|
412 | #endif |
---|
413 | G4double kinEnergy= projHadron->GetKineticEnergy()*MeV; // Kin energy in MeV (Is *MeV n?) |
---|
414 | G4ParticleMomentum dir = projHadron->GetMomentumDirection();// It is a unit three-vector |
---|
415 | G4LorentzVector tot4M=proj4M+G4LorentzVector(0.,0.,0.,tM); // Total 4-mom of the reaction |
---|
416 | #ifdef debug |
---|
417 | G4cout<<"G4QLowEnergy::PostStepDoIt: tM="<<tM<<",p4M="<<proj4M<<",t4M="<<tot4M<<G4endl; |
---|
418 | #endif |
---|
419 | EnMomConservation=tot4M; // Total 4-mom of reaction for E/M conservation |
---|
420 | // @@ Probably this is not necessary any more |
---|
421 | #ifdef debug |
---|
422 | G4cout<<"G4QLE::PSDI:false,P="<<Momentum<<",Z="<<pZ<<",N="<<pN<<",PDG="<<projPDG<<G4endl; |
---|
423 | #endif |
---|
424 | G4double xSec=CalculateXS(Momentum, tZ, tN, projPDG); // Recalculate CrossSection |
---|
425 | #ifdef debug |
---|
426 | G4cout<<"G4QLowEn::PSDI:PDG="<<projPDG<<",P="<<Momentum<<",XS="<<xSec/millibarn<<G4endl; |
---|
427 | #endif |
---|
428 | #ifdef nandebug |
---|
429 | if(xSec>0. || xSec<0. || xSec==0); |
---|
430 | else G4cout<<"-Warning-G4QLowEnergy::PostSDI: *NAN* xSec="<<xSec/millibarn<<G4endl; |
---|
431 | #endif |
---|
432 | // @@ check a possibility to separate p, n, or alpha (!) |
---|
433 | if(xSec <= 0.) // The cross-section iz 0 -> Do Nothing |
---|
434 | { |
---|
435 | #ifdef pdebug |
---|
436 | G4cerr<<"-Warning-G4QLowEnergy::PSDoIt:*Zero cross-section* PDG="<<projPDG |
---|
437 | <<",Z="<<tZ<<",tN="<<tN<<",P="<<Momentum<<G4endl; |
---|
438 | #endif |
---|
439 | //Do Nothing Action insead of the reaction |
---|
440 | aParticleChange.ProposeEnergy(kinEnergy); |
---|
441 | aParticleChange.ProposeLocalEnergyDeposit(0.); |
---|
442 | aParticleChange.ProposeMomentumDirection(dir) ; |
---|
443 | return G4VDiscreteProcess::PostStepDoIt(track,step); |
---|
444 | } |
---|
445 | // Kill interacting hadron |
---|
446 | aParticleChange.ProposeEnergy(0.); |
---|
447 | aParticleChange.ProposeTrackStatus(fStopAndKill); |
---|
448 | #ifdef debug |
---|
449 | G4cout<<"G4QLowEn::PSDI: Projectile track is killed"<<G4endl; |
---|
450 | #endif |
---|
451 | // algorithm implementation --- STARTS HERE --- All calculations are in IU -------- |
---|
452 | G4double totM=tot4M.m(); // total CMS mass of the reaction |
---|
453 | G4int totN=tN+pN; |
---|
454 | G4int totZ=tZ+pZ; |
---|
455 | // @@ Here mass[i] can be calculated if mass=0 |
---|
456 | G4double mass[nCh]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0., |
---|
457 | 0.,0.,0.,0.,0.,0.}; |
---|
458 | mass[0] = targQPDG.GetNuclMass(totZ,totN,0); // gamma+gamma |
---|
459 | #ifdef debug |
---|
460 | G4cout<<"G4QLowEn::PSDI: Nuclear Mass="<<mass[0]<<G4endl; |
---|
461 | #endif |
---|
462 | if (totN>0 && totZ>0) |
---|
463 | { |
---|
464 | mass[1] = targQPDG.GetNuclMass(totZ,totN-1,0); // gamma+neutron |
---|
465 | mass[2] = targQPDG.GetNuclMass(totZ-1,totN,0); // gamma+proton |
---|
466 | } |
---|
467 | if ( (totZ > 0 && totN > 1) || (totN > 0 && totZ > 1) ) |
---|
468 | mass[3] = targQPDG.GetNuclMass(totZ-1,totN-1,0); //g+d |
---|
469 | if ( (totZ > 0 && totN > 2) || (totN > 1 && totZ > 1) ) |
---|
470 | mass[4] = targQPDG.GetNuclMass(totZ-1,totN-2,0); //g+t |
---|
471 | if ( (totZ > 2 && totN > 0) || (totN > 1 && totZ > 1) ) |
---|
472 | mass[5] = targQPDG.GetNuclMass(totZ-2,totN-1,0); //g+3 |
---|
473 | if ( (totZ > 2 && totN > 1) || (totN > 2 && totZ > 1) ) |
---|
474 | mass[6] = targQPDG.GetNuclMass(totZ-2,totN-2,0); //g+a |
---|
475 | if ( (totZ > 0 && totN > 1) || totN > 2 ) |
---|
476 | mass[7] = targQPDG.GetNuclMass(totZ,totN-2,0); // n+n |
---|
477 | mass[ 8] = mass[3]; // neutron+proton (the same as a deuteron) |
---|
478 | if ( (totZ > 1 && totN > 0) || totZ > 2 ) |
---|
479 | mass[9] = targQPDG.GetNuclMass(totZ-2,totN,0); // p+p |
---|
480 | mass[10] = mass[5]; // proton+deuteron (the same as He3) |
---|
481 | mass[11] = mass[4]; // neutron+deuteron (the same as t) |
---|
482 | mass[12] = mass[6]; // deuteron+deuteron (the same as alpha) |
---|
483 | mass[13] = mass[6]; // proton+tritium (the same as alpha) |
---|
484 | if ( totN > 3 || (totN > 2 && totZ > 0) ) |
---|
485 | mass[14] = targQPDG.GetNuclMass(totZ-1,totN-3,0); // n+t |
---|
486 | if ( totZ > 3 || (totZ > 2 && totN > 0) ) |
---|
487 | mass[15] = targQPDG.GetNuclMass(totZ-3,totN-1,0); // He3+p |
---|
488 | mass[16] = mass[6]; // neutron+He3 (the same as alpha) |
---|
489 | if ( (totZ > 3 && totN > 1) || (totZ > 2 && totN > 2) ) |
---|
490 | mass[17] = targQPDG.GetNuclMass(totZ-3,totN-2,0); // pa |
---|
491 | if ( (totZ > 1 && totN > 3) || (totZ > 2 && totN > 2) ) |
---|
492 | mass[18] = targQPDG.GetNuclMass(totZ-2,totN-3,0); // na |
---|
493 | if(pL>0) |
---|
494 | { |
---|
495 | G4int pL1=pL-1; |
---|
496 | if(totN>0||totZ>0) mass[19] = targQPDG.GetNuclMass(totZ ,totN ,pL1);// Lambda+gamma |
---|
497 | if( (totN > 0 && totZ > 0) || totZ > 1 ) |
---|
498 | mass[20]=targQPDG.GetNuclMass(totZ-1,totN ,pL1);//Lp |
---|
499 | if( (totN > 0 && totZ > 0) || totN > 0 ) |
---|
500 | mass[21]=targQPDG.GetNuclMass(totZ ,totN-1,pL1);//Ln |
---|
501 | if( (totN > 1 && totZ > 0) || (totN > 0 && totZ > 1) ) |
---|
502 | mass[22]=targQPDG.GetNuclMass(totZ-1,totN-1,pL1);//Ld |
---|
503 | if( (totN > 2 && totZ > 0) || (totN > 1 && totZ > 1) ) |
---|
504 | mass[23]=targQPDG.GetNuclMass(totZ-1,totN-2,pL1);//Lt |
---|
505 | if( (totN > 0 && totZ > 2) || (totN > 1 && totZ > 1) ) |
---|
506 | mass[24]=targQPDG.GetNuclMass(totZ-2,totN-1,pL1);//L3 |
---|
507 | if( (totN > 1 && totZ > 2) || (totN > 2 && totZ > 1) ) |
---|
508 | mass[25]=targQPDG.GetNuclMass(totZ-2,totN-2,pL1);//La |
---|
509 | } |
---|
510 | #ifdef debug |
---|
511 | G4cout<<"G4QLowEn::PSDI: Residual masses are calculated"<<G4endl; |
---|
512 | #endif |
---|
513 | G4double tA=tZ+tN; |
---|
514 | G4double pA=pZ+pN; |
---|
515 | G4double prZ=pZ/pA+tZ/tA; |
---|
516 | G4double prN=pN/pA+tN/tA; |
---|
517 | G4double prD=prN*prZ; |
---|
518 | G4double prA=prD*prD; |
---|
519 | G4double prH=prD*prZ; |
---|
520 | G4double prT=prD*prN; |
---|
521 | G4double fhe3=6.*std::sqrt(tA); |
---|
522 | G4double prL=0.; |
---|
523 | if(pL>0) prL=pL/pA; |
---|
524 | G4double qval[nCh]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0., |
---|
525 | 0.,0.,0.,0.,0.,0.}; |
---|
526 | qval[ 0] = totM - mass[ 0]; |
---|
527 | qval[ 1] = (totM - mass[ 1] - mNeut)*prN; |
---|
528 | qval[ 2] = (totM - mass[ 2] - mProt)*prZ; |
---|
529 | qval[ 3] = (totM - mass[ 3] - mDeut)*prD/3.; |
---|
530 | qval[ 4] = (totM - mass[ 4] - mTrit)*prT/6.; |
---|
531 | qval[ 5] = (totM - mass[ 5] - mHel3)*prH/fhe3; |
---|
532 | qval[ 6] = (totM - mass[ 6] - mAlph)*prA/9.; |
---|
533 | qval[ 7] = (totM - mass[ 7] - mNeut - mNeut)*prN*prN; |
---|
534 | qval[ 8] = (totM - mass[ 8] - mNeut - mProt)*prD; |
---|
535 | qval[ 9] = (totM - mass[ 9] - mProt - mProt)*prZ*prZ; |
---|
536 | qval[10] = (totM - mass[10] - mProt - mDeut)*prH/3.; |
---|
537 | qval[11] = (totM - mass[11] - mNeut - mDeut)*prT/3.; |
---|
538 | qval[12] = (totM - mass[12] - mDeut - mDeut)*prA/3./3.; |
---|
539 | qval[13] = (totM - mass[13] - mProt - mTrit)*prA/6.; |
---|
540 | qval[14] = (totM - mass[14] - mNeut - mTrit)*prT*prN/6.; |
---|
541 | qval[15] = (totM - mass[15] - mProt - mHel3)*prH*prZ/fhe3; |
---|
542 | qval[16] = (totM - mass[16] - mNeut - mHel3)*prA/fhe3; |
---|
543 | qval[17] = (totM - mass[17] - mProt - mAlph)*prZ*prA/9.; |
---|
544 | qval[18] = (totM - mass[18] - mNeut - mAlph)*prN*prA/9.; |
---|
545 | if(pZ>0) |
---|
546 | { |
---|
547 | qval[19] = (totM - mass[19] - mLamb)*prL; |
---|
548 | qval[20] = (totM - mass[20] - mProt - mLamb)*prL*prZ; |
---|
549 | qval[21] = (totM - mass[21] - mNeut - mLamb)*prL*prN; |
---|
550 | qval[22] = (totM - mass[22] - mDeut - mLamb)*prL*prD/2.; |
---|
551 | qval[23] = (totM - mass[23] - mTrit - mLamb)*prL*prT/3.; |
---|
552 | qval[24] = (totM - mass[24] - mHel3 - mLamb)*prL*prH/fhe3; |
---|
553 | qval[25] = (totM - mass[25] - mAlph - mLamb)*prL*prA/4; |
---|
554 | } |
---|
555 | #ifdef debug |
---|
556 | G4cout<<"G4QLowEn::PSDI: Q-values are calculated, tgA="<<tA<<"prA="<<pA<<G4endl; |
---|
557 | #endif |
---|
558 | |
---|
559 | if( !pZ && pN==1) |
---|
560 | { |
---|
561 | if(G4UniformRand()>(tA-1.)*(tA-1.)/52900.) qval[0] = 0.0; |
---|
562 | if(G4UniformRand()>kinEnergy/7.925*tA) qval[2]=qval[3]=qval[4]=qval[5]=qval[9]=0.; |
---|
563 | } |
---|
564 | else qval[0] = 0.0; |
---|
565 | |
---|
566 | G4double qv = 0.0; // Total sum of probabilities (q-values) |
---|
567 | for(G4int i=0; i<nCh; ++i ) |
---|
568 | { |
---|
569 | if( mass[i] < 500.*MeV ) qval[i] = 0.0; // Close A/Z impossible channels |
---|
570 | if( qval[i] < 0.0 ) qval[i] = 0.0; // Close the splitting impossible channels |
---|
571 | qv += qval[i]; |
---|
572 | } |
---|
573 | // Select the channel |
---|
574 | G4double qv1 = 0.0; |
---|
575 | G4double ran = G4UniformRand(); |
---|
576 | G4int index = 0; |
---|
577 | for( index=0; index<nCh; ++index ) |
---|
578 | { |
---|
579 | if( qval[index] > 0.0 ) |
---|
580 | { |
---|
581 | qv1 += qval[index]/qv; |
---|
582 | if( ran <= qv1 ) break; |
---|
583 | } |
---|
584 | } |
---|
585 | #ifdef debug |
---|
586 | G4cout<<"G4QLowEn::PSDI: index="<<index<<" < "<<nCh<<G4endl; |
---|
587 | #endif |
---|
588 | if(index == nCh) |
---|
589 | { |
---|
590 | G4cout<<"***G4QLowEnergy::PoStDI:Decay is impossible,totM="<<totM<<",GSM="<<tM<<G4endl; |
---|
591 | throw G4QException("G4QLowEnergy::PostStepDoIt: Can't decay the Compound"); |
---|
592 | } |
---|
593 | // @@ Convert it to G4QHadrons |
---|
594 | G4DynamicParticle* ResSec = new G4DynamicParticle; |
---|
595 | G4DynamicParticle* FstSec = new G4DynamicParticle; |
---|
596 | G4DynamicParticle* SecSec = new G4DynamicParticle; |
---|
597 | #ifdef debug |
---|
598 | G4cout<<"G4QLowEn::PSDI: Dynamic particles are created pL="<<pL<<G4endl; |
---|
599 | #endif |
---|
600 | |
---|
601 | G4LorentzVector res4Mom(zeroMom,mass[index]*MeV); // The recoil nucleus prototype |
---|
602 | G4double mF=0.; |
---|
603 | G4double mS=0.; |
---|
604 | G4int rA=totZ+totN; |
---|
605 | G4int rZ=totZ; |
---|
606 | G4int rL=pL; |
---|
607 | G4int complete=3; |
---|
608 | G4ParticleDefinition* theDefinition; // Prototype for qfNucleon |
---|
609 | switch( index ) |
---|
610 | { |
---|
611 | case 0: |
---|
612 | if(!evaporate || rA<2) |
---|
613 | { |
---|
614 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
615 | if(!theDefinition) |
---|
616 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
617 | ResSec->SetDefinition( theDefinition ); |
---|
618 | FstSec->SetDefinition( aGamma ); |
---|
619 | SecSec->SetDefinition( aGamma ); |
---|
620 | } |
---|
621 | else |
---|
622 | { |
---|
623 | delete ResSec; |
---|
624 | delete FstSec; |
---|
625 | delete SecSec; |
---|
626 | complete=0; |
---|
627 | } |
---|
628 | break; |
---|
629 | case 1: |
---|
630 | rA-=1; |
---|
631 | if(!evaporate || rA<2) |
---|
632 | { |
---|
633 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
634 | if(!theDefinition) |
---|
635 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
636 | ResSec->SetDefinition( theDefinition ); |
---|
637 | SecSec->SetDefinition( aGamma ); |
---|
638 | } |
---|
639 | else |
---|
640 | { |
---|
641 | delete ResSec; |
---|
642 | delete SecSec; |
---|
643 | complete=1; |
---|
644 | } |
---|
645 | FstSec->SetDefinition( aNeutron ); |
---|
646 | mF=mNeut; // First hadron 4-momentum |
---|
647 | break; |
---|
648 | case 2: |
---|
649 | rA-=1; |
---|
650 | rZ-=1; |
---|
651 | if(!evaporate || rA<2) |
---|
652 | { |
---|
653 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
654 | if(!theDefinition) |
---|
655 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
656 | ResSec->SetDefinition( theDefinition ); |
---|
657 | SecSec->SetDefinition( aGamma ); |
---|
658 | } |
---|
659 | else |
---|
660 | { |
---|
661 | delete ResSec; |
---|
662 | delete SecSec; |
---|
663 | complete=1; |
---|
664 | } |
---|
665 | FstSec->SetDefinition( aProton ); |
---|
666 | mF=mProt; // First hadron 4-momentum |
---|
667 | break; |
---|
668 | case 3: |
---|
669 | rA-=2; |
---|
670 | rZ-=1; |
---|
671 | if(!evaporate || rA<2) |
---|
672 | { |
---|
673 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
674 | if(!theDefinition) |
---|
675 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
676 | ResSec->SetDefinition( theDefinition ); |
---|
677 | SecSec->SetDefinition( aGamma ); |
---|
678 | } |
---|
679 | else |
---|
680 | { |
---|
681 | delete ResSec; |
---|
682 | delete SecSec; |
---|
683 | complete=1; |
---|
684 | } |
---|
685 | FstSec->SetDefinition( aDeuteron ); |
---|
686 | mF=mDeut; // First hadron 4-momentum |
---|
687 | break; |
---|
688 | case 4: |
---|
689 | rA-=3; |
---|
690 | rZ-=1; |
---|
691 | if(!evaporate || rA<2) |
---|
692 | { |
---|
693 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
694 | if(!theDefinition) |
---|
695 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
696 | ResSec->SetDefinition( theDefinition ); |
---|
697 | SecSec->SetDefinition( aGamma ); |
---|
698 | } |
---|
699 | else |
---|
700 | { |
---|
701 | delete ResSec; |
---|
702 | delete SecSec; |
---|
703 | complete=1; |
---|
704 | } |
---|
705 | FstSec->SetDefinition( aTriton ); |
---|
706 | mF=mTrit; // First hadron 4-momentum |
---|
707 | break; |
---|
708 | case 5: |
---|
709 | rA-=3; |
---|
710 | rZ-=2; |
---|
711 | if(!evaporate || rA<2) |
---|
712 | { |
---|
713 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
714 | if(!theDefinition) |
---|
715 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
716 | ResSec->SetDefinition( theDefinition ); |
---|
717 | SecSec->SetDefinition( aGamma ); |
---|
718 | } |
---|
719 | else |
---|
720 | { |
---|
721 | delete ResSec; |
---|
722 | delete SecSec; |
---|
723 | complete=1; |
---|
724 | } |
---|
725 | FstSec->SetDefinition( aHe3); |
---|
726 | mF=mHel3; // First hadron 4-momentum |
---|
727 | break; |
---|
728 | case 6: |
---|
729 | rA-=4; |
---|
730 | rZ-=2; |
---|
731 | if(!evaporate || rA<2) |
---|
732 | { |
---|
733 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
734 | if(!theDefinition) |
---|
735 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
736 | ResSec->SetDefinition( theDefinition ); |
---|
737 | SecSec->SetDefinition( aGamma ); |
---|
738 | } |
---|
739 | else |
---|
740 | { |
---|
741 | delete ResSec; |
---|
742 | delete SecSec; |
---|
743 | complete=1; |
---|
744 | } |
---|
745 | FstSec->SetDefinition( anAlpha ); |
---|
746 | mF=mAlph; // First hadron 4-momentum |
---|
747 | break; |
---|
748 | case 7: |
---|
749 | rA-=2; |
---|
750 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
751 | if(!theDefinition) |
---|
752 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
753 | ResSec->SetDefinition( theDefinition ); |
---|
754 | FstSec->SetDefinition( aNeutron ); |
---|
755 | SecSec->SetDefinition( aNeutron ); |
---|
756 | mF=mNeut; // First hadron 4-momentum |
---|
757 | mS=mNeut; // Second hadron 4-momentum |
---|
758 | break; |
---|
759 | case 8: |
---|
760 | rZ-=1; |
---|
761 | rA-=2; |
---|
762 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
763 | if(!theDefinition) |
---|
764 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
765 | ResSec->SetDefinition( theDefinition ); |
---|
766 | FstSec->SetDefinition( aNeutron ); |
---|
767 | SecSec->SetDefinition( aProton ); |
---|
768 | mF=mNeut; // First hadron 4-momentum |
---|
769 | mS=mProt; // Second hadron 4-momentum |
---|
770 | break; |
---|
771 | case 9: |
---|
772 | rZ-=2; |
---|
773 | rA-=2; |
---|
774 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
775 | if(!theDefinition) |
---|
776 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
777 | ResSec->SetDefinition( theDefinition ); |
---|
778 | FstSec->SetDefinition( aProton ); |
---|
779 | SecSec->SetDefinition( aProton ); |
---|
780 | mF=mProt; // First hadron 4-momentum |
---|
781 | mS=mProt; // Second hadron 4-momentum |
---|
782 | break; |
---|
783 | case 10: |
---|
784 | rZ-=2; |
---|
785 | rA-=3; |
---|
786 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
787 | if(!theDefinition) |
---|
788 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
789 | ResSec->SetDefinition( theDefinition ); |
---|
790 | FstSec->SetDefinition( aProton ); |
---|
791 | SecSec->SetDefinition( aDeuteron ); |
---|
792 | mF=mProt; // First hadron 4-momentum |
---|
793 | mS=mDeut; // Second hadron 4-momentum |
---|
794 | break; |
---|
795 | case 11: |
---|
796 | rZ-=1; |
---|
797 | rA-=3; |
---|
798 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
799 | if(!theDefinition) |
---|
800 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
801 | ResSec->SetDefinition( theDefinition ); |
---|
802 | FstSec->SetDefinition( aNeutron ); |
---|
803 | SecSec->SetDefinition( aDeuteron ); |
---|
804 | mF=mNeut; // First hadron 4-momentum |
---|
805 | mS=mDeut; // Second hadron 4-momentum |
---|
806 | break; |
---|
807 | case 12: |
---|
808 | rZ-=2; |
---|
809 | rA-=4; |
---|
810 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
811 | if(!theDefinition) |
---|
812 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
813 | ResSec->SetDefinition( theDefinition ); |
---|
814 | FstSec->SetDefinition( aDeuteron ); |
---|
815 | SecSec->SetDefinition( aDeuteron ); |
---|
816 | mF=mDeut; // First hadron 4-momentum |
---|
817 | mS=mDeut; // Second hadron 4-momentum |
---|
818 | break; |
---|
819 | case 13: |
---|
820 | rZ-=2; |
---|
821 | rA-=4; |
---|
822 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
823 | if(!theDefinition) |
---|
824 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
825 | ResSec->SetDefinition( theDefinition ); |
---|
826 | FstSec->SetDefinition( aProton ); |
---|
827 | SecSec->SetDefinition( aTriton ); |
---|
828 | mF=mProt; // First hadron 4-momentum |
---|
829 | mS=mTrit; // Second hadron 4-momentum |
---|
830 | break; |
---|
831 | case 14: |
---|
832 | rZ-=1; |
---|
833 | rA-=4; |
---|
834 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
835 | if(!theDefinition) |
---|
836 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
837 | ResSec->SetDefinition( theDefinition ); |
---|
838 | FstSec->SetDefinition( aNeutron ); |
---|
839 | SecSec->SetDefinition( aTriton ); |
---|
840 | mF=mNeut; // First hadron 4-momentum |
---|
841 | mS=mTrit; // Second hadron 4-momentum |
---|
842 | break; |
---|
843 | case 15: |
---|
844 | rZ-=3; |
---|
845 | rA-=4; |
---|
846 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
847 | if(!theDefinition) |
---|
848 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
849 | ResSec->SetDefinition( theDefinition ); |
---|
850 | FstSec->SetDefinition( aProton); |
---|
851 | SecSec->SetDefinition( aHe3 ); |
---|
852 | mF=mProt; // First hadron 4-momentum |
---|
853 | mS=mHel3; // Second hadron 4-momentum |
---|
854 | break; |
---|
855 | case 16: |
---|
856 | rZ-=2; |
---|
857 | rA-=4; |
---|
858 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
859 | if(!theDefinition) |
---|
860 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
861 | ResSec->SetDefinition( theDefinition ); |
---|
862 | FstSec->SetDefinition( aNeutron ); |
---|
863 | SecSec->SetDefinition( aHe3 ); |
---|
864 | mF=mNeut; // First hadron 4-momentum |
---|
865 | mS=mHel3; // Second hadron 4-momentum |
---|
866 | break; |
---|
867 | case 17: |
---|
868 | rZ-=3; |
---|
869 | rA-=5; |
---|
870 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
871 | if(!theDefinition) |
---|
872 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
873 | ResSec->SetDefinition( theDefinition ); |
---|
874 | FstSec->SetDefinition( aProton ); |
---|
875 | SecSec->SetDefinition( anAlpha ); |
---|
876 | mF=mProt; // First hadron 4-momentum |
---|
877 | mS=mAlph; // Second hadron 4-momentum |
---|
878 | break; |
---|
879 | case 18: |
---|
880 | rZ-=2; |
---|
881 | rA-=5; |
---|
882 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
883 | if(!theDefinition) |
---|
884 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
885 | ResSec->SetDefinition( theDefinition ); |
---|
886 | FstSec->SetDefinition( aNeutron ); |
---|
887 | SecSec->SetDefinition( anAlpha ); |
---|
888 | mF=mNeut; // First hadron 4-momentum |
---|
889 | mS=mAlph; // Second hadron 4-momentum |
---|
890 | break; |
---|
891 | case 19: |
---|
892 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
893 | if(!theDefinition) |
---|
894 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
895 | ResSec->SetDefinition( theDefinition ); |
---|
896 | FstSec->SetDefinition( aLambda ); |
---|
897 | SecSec->SetDefinition( aGamma ); |
---|
898 | mF=mLamb; // First hadron 4-momentum |
---|
899 | break; |
---|
900 | case 20: |
---|
901 | rZ-=1; |
---|
902 | rA-=1; |
---|
903 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
904 | if(!theDefinition) |
---|
905 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
906 | ResSec->SetDefinition( theDefinition ); |
---|
907 | FstSec->SetDefinition( aProton ); |
---|
908 | SecSec->SetDefinition( aLambda ); |
---|
909 | mF=mProt; // First hadron 4-momentum |
---|
910 | mS=mLamb; // Second hadron 4-momentum |
---|
911 | break; |
---|
912 | case 21: |
---|
913 | rA-=1; |
---|
914 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
915 | if(!theDefinition) |
---|
916 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
917 | ResSec->SetDefinition( theDefinition ); |
---|
918 | FstSec->SetDefinition( aNeutron ); |
---|
919 | SecSec->SetDefinition( aLambda ); |
---|
920 | mF=mNeut; // First hadron 4-momentum |
---|
921 | mS=mLamb; // Second hadron 4-momentum |
---|
922 | break; |
---|
923 | case 22: |
---|
924 | rZ-=1; |
---|
925 | rA-=2; |
---|
926 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
927 | if(!theDefinition) |
---|
928 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
929 | ResSec->SetDefinition( theDefinition ); |
---|
930 | FstSec->SetDefinition( aDeuteron ); |
---|
931 | SecSec->SetDefinition( aLambda ); |
---|
932 | mF=mDeut; // First hadron 4-momentum |
---|
933 | mS=mLamb; // Second hadron 4-momentum |
---|
934 | break; |
---|
935 | case 23: |
---|
936 | rZ-=1; |
---|
937 | rA-=3; |
---|
938 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
939 | if(!theDefinition) |
---|
940 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
941 | ResSec->SetDefinition( theDefinition ); |
---|
942 | FstSec->SetDefinition( aTriton ); |
---|
943 | SecSec->SetDefinition( aLambda ); |
---|
944 | mF=mTrit; // First hadron 4-momentum |
---|
945 | mS=mLamb; // Second hadron 4-momentum |
---|
946 | break; |
---|
947 | case 24: |
---|
948 | rZ-=2; |
---|
949 | rA-=3; |
---|
950 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
951 | if(!theDefinition) |
---|
952 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
953 | ResSec->SetDefinition( theDefinition ); |
---|
954 | FstSec->SetDefinition( aHe3 ); |
---|
955 | SecSec->SetDefinition( aLambda ); |
---|
956 | mF=mHel3; // First hadron 4-momentum |
---|
957 | mS=mLamb; // Second hadron 4-momentum |
---|
958 | break; |
---|
959 | case 25: |
---|
960 | rZ-=2; |
---|
961 | rA-=4; |
---|
962 | theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ); |
---|
963 | if(!theDefinition) |
---|
964 | G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl; |
---|
965 | ResSec->SetDefinition( theDefinition ); |
---|
966 | FstSec->SetDefinition( anAlpha ); |
---|
967 | SecSec->SetDefinition( aLambda ); |
---|
968 | mF=mAlph; // First hadron 4-momentum |
---|
969 | mS=mLamb; // Second hadron 4-momentum |
---|
970 | break; |
---|
971 | } |
---|
972 | #ifdef debug |
---|
973 | G4cout<<"G4QLowEn::PSDI:F="<<mF<<",S="<<mS<<",com="<<complete<<",ev="<<evaporate<<G4endl; |
---|
974 | #endif |
---|
975 | G4LorentzVector fst4Mom(zeroMom,mF); // Prototype of the first hadron 4-momentum |
---|
976 | G4LorentzVector snd4Mom(zeroMom,mS); // Prototype of the second hadron 4-momentum |
---|
977 | G4LorentzVector dir4Mom=tot4M; // Prototype of the resN decay direction 4-momentum |
---|
978 | dir4Mom.setE(tot4M.e()/2.); // Get half energy and total 3-momentum |
---|
979 | // @@ Can be repeated to take into account the Coulomb Barrier |
---|
980 | if(!G4QHadron(tot4M).CopDecayIn3(fst4Mom,snd4Mom,res4Mom,dir4Mom,cosp)) |
---|
981 | { // |
---|
982 | G4cerr<<"**G4LowEnergy::PoStDoIt:i="<<index<<",tM="<<totM<<"->M1="<<res4Mom.m()<<"+M2=" |
---|
983 | <<fst4Mom.m()<<"+M3="<<snd4Mom.m()<<"=="<<res4Mom.m()+fst4Mom.m()+snd4Mom.m()<<G4endl; |
---|
984 | throw G4QException("G4QLowEnergy::PostStepDoIt: Can't decay the Compound"); |
---|
985 | } // |
---|
986 | #ifdef debug |
---|
987 | G4cout<<"G4QLowEn::PSDI:r4M="<<res4Mom<<",f4M="<<fst4Mom<<",s4M="<<snd4Mom<<G4endl; |
---|
988 | #endif |
---|
989 | G4Track* aNewTrack = 0; |
---|
990 | if(complete) |
---|
991 | { |
---|
992 | FstSec->Set4Momentum(fst4Mom); |
---|
993 | aNewTrack = new G4Track(FstSec, localtime, position ); |
---|
994 | aNewTrack->SetWeight(weight); // weighted |
---|
995 | aNewTrack->SetTouchableHandle(trTouchable); |
---|
996 | aParticleChange.AddSecondary( aNewTrack ); |
---|
997 | EnMomConservation-=fst4Mom; |
---|
998 | #ifdef debug |
---|
999 | G4cout<<"G4QLowEn::PSDI: ***Filled*** 1stH4M="<<fst4Mom<<G4endl; |
---|
1000 | #endif |
---|
1001 | if(complete>2) // Final solution |
---|
1002 | { |
---|
1003 | ResSec->Set4Momentum(res4Mom); |
---|
1004 | aNewTrack = new G4Track(ResSec, localtime, position ); |
---|
1005 | aNewTrack->SetWeight(weight); // weighted |
---|
1006 | aNewTrack->SetTouchableHandle(trTouchable); |
---|
1007 | aParticleChange.AddSecondary( aNewTrack ); |
---|
1008 | EnMomConservation-=res4Mom; |
---|
1009 | #ifdef debug |
---|
1010 | G4cout<<"G4QLowEn::PSDI: ***Filled*** rA4M="<<res4Mom<<",rZ="<<rZ<<",rA="<<rA<<",rL=" |
---|
1011 | <<rL<<G4endl; |
---|
1012 | #endif |
---|
1013 | SecSec->Set4Momentum(snd4Mom); |
---|
1014 | aNewTrack = new G4Track(SecSec, localtime, position ); |
---|
1015 | aNewTrack->SetWeight(weight); // weighted |
---|
1016 | aNewTrack->SetTouchableHandle(trTouchable); |
---|
1017 | aParticleChange.AddSecondary( aNewTrack ); |
---|
1018 | EnMomConservation-=snd4Mom; |
---|
1019 | #ifdef debug |
---|
1020 | G4cout<<"G4QLowEn::PSDI: ***Filled*** 2ndH4M="<<snd4Mom<<G4endl; |
---|
1021 | #endif |
---|
1022 | } |
---|
1023 | else res4Mom+=snd4Mom; |
---|
1024 | } |
---|
1025 | else res4Mom=tot4M; |
---|
1026 | if(complete<3) // Evaporation of the residual must be done |
---|
1027 | { |
---|
1028 | G4QHadron* rHadron = new G4QHadron(90000000+999*rZ+rA,res4Mom); // Input hadron-nucleus |
---|
1029 | G4QHadronVector* evaHV = new G4QHadronVector; // Output vector of hadrons (delete!) |
---|
1030 | Nuc.EvaporateNucleus(rHadron, evaHV); |
---|
1031 | G4int nOut=evaHV->size(); |
---|
1032 | for(G4int i=0; i<nOut; i++) |
---|
1033 | { |
---|
1034 | G4QHadron* curH = (*evaHV)[i]; |
---|
1035 | G4int hPDG=curH->GetPDGCode(); |
---|
1036 | G4LorentzVector h4Mom=curH->Get4Momentum(); |
---|
1037 | EnMomConservation-=h4Mom; |
---|
1038 | #ifdef debug |
---|
1039 | G4cout<<"G4QLowEn::PSDI: ***FillingCand#"<<i<<"*** evaH="<<hPDG<<h4Mom<<G4endl; |
---|
1040 | #endif |
---|
1041 | if (hPDG==90000001 || hPDG==2112) theDefinition = aNeutron; |
---|
1042 | else if(hPDG==90001000 || hPDG==2212) theDefinition = aProton; |
---|
1043 | else if(hPDG==91000000 || hPDG==3122) theDefinition = aLambda; |
---|
1044 | else if(hPDG== 22 ) theDefinition = aGamma; |
---|
1045 | else |
---|
1046 | { |
---|
1047 | G4int hZ=curH->GetCharge(); |
---|
1048 | G4int hA=curH->GetBaryonNumber(); |
---|
1049 | G4int hS=curH->GetStrangeness(); |
---|
1050 | theDefinition = G4ParticleTable::GetParticleTable()->FindIon(hZ,hA,hS,0); // ion |
---|
1051 | } |
---|
1052 | if(theDefinition) |
---|
1053 | { |
---|
1054 | G4DynamicParticle* theEQH = new G4DynamicParticle(theDefinition,h4Mom); |
---|
1055 | G4Track* evaQH = new G4Track(theEQH, localtime, position ); |
---|
1056 | evaQH->SetWeight(weight); // weighted |
---|
1057 | evaQH->SetTouchableHandle(trTouchable); |
---|
1058 | aParticleChange.AddSecondary( evaQH ); |
---|
1059 | } |
---|
1060 | else G4cerr<<"-Warning-G4QLowEnergy::PostStepDoIt: Bad secondary PDG="<<hPDG<<G4endl; |
---|
1061 | } |
---|
1062 | } |
---|
1063 | // algorithm implementation --- STOPS HERE |
---|
1064 | #ifdef debug |
---|
1065 | G4cout<<"G4QLowEnergy::PostStepDoIt:*** PostStepDoIt is done ***"<<G4endl; |
---|
1066 | #endif |
---|
1067 | return G4VDiscreteProcess::PostStepDoIt(track, step); |
---|
1068 | } |
---|
1069 | |
---|
1070 | G4double G4QLowEnergy::CalculateXS(G4double p, G4int Z, G4int N, G4int PDG) |
---|
1071 | { |
---|
1072 | static G4bool first=true; |
---|
1073 | static G4VQCrossSection* CSmanager; |
---|
1074 | if(first) // Connection with a singletone |
---|
1075 | { |
---|
1076 | CSmanager=G4QIonIonCrossSection::GetPointer(); |
---|
1077 | first=false; |
---|
1078 | } |
---|
1079 | #ifdef debug |
---|
1080 | G4cout<<"G4QLowE::CXS: *DONE* p="<<p<<",Z="<<Z<<",N="<<N<<",PDG="<<PDG<<G4endl; |
---|
1081 | #endif |
---|
1082 | return CSmanager->GetCrossSection(true, p, Z, N, PDG); |
---|
1083 | } |
---|