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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4QNucleus.hh,v 1.47 2010/06/10 08:37:27 mkossov Exp $ |
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28 | // GEANT4 tag $Name: hadr-chips-V09-03-08 $ |
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29 | // |
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30 | // ---------------- G4QNucleus ---------------- |
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31 | // by Mikhail Kossov, Sept 1999. |
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32 | // class header for the nuclei and nuclear environment of the CHIPS Model |
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33 | // ----------------------------------------------------------------------- |
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34 | // Short description: a class describing properties of nuclei, which |
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35 | // are necessary for the CHIPS Model. |
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36 | // ----------------------------------------------------------------------- |
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37 | |
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38 | #ifndef G4QNucleus_h |
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39 | #define G4QNucleus_h 1 |
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40 | |
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41 | #include "G4QCandidateVector.hh" |
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42 | #include "G4QHadronVector.hh" |
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43 | #include "G4LorentzRotation.hh" |
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44 | #include "G4QChipolino.hh" |
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45 | #include <utility> |
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46 | #include <vector> |
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47 | #include "globals.hh" |
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48 | #include "G4RandomDirection.hh" |
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49 | |
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50 | class G4QNucleus : public G4QHadron |
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51 | { |
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52 | public: |
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53 | G4QNucleus(); // Default Constructor |
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54 | G4QNucleus(G4int nucPDG); // At Rest PDG-Constructor |
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55 | G4QNucleus(G4LorentzVector p, G4int nucPDG); // Full PDG-Constructor |
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56 | G4QNucleus(G4QContent nucQC); // At Rest QuarkCont-Constructor |
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57 | G4QNucleus(G4QContent nucQC, G4LorentzVector p); // Full QuarkCont-Constructor |
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58 | G4QNucleus(G4int z, G4int n, G4int s=0); // At Rest ZNS-Constructor |
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59 | G4QNucleus(G4int z, G4int n, G4int s, G4LorentzVector p);// Full ZNS-Constructor |
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60 | G4QNucleus(G4QNucleus* right, G4bool cop3D = false); // Copy Constructor by pointer |
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61 | G4QNucleus(const G4QNucleus &right, G4bool cop3D=false); // Copy Constructor by value |
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62 | ~G4QNucleus(); // Public Destructor |
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63 | // Overloaded Operators |
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64 | const G4QNucleus& operator=(const G4QNucleus& right); |
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65 | G4bool operator==(const G4QNucleus &right) const {return this==&right;} |
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66 | G4bool operator!=(const G4QNucleus &right) const {return this!=&right;} |
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67 | // Specific Selectors |
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68 | G4int GetPDG() const {return 90000000+1000*(1000*S+Z)+N;}// PDG Code of Nucleus |
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69 | G4int GetZ() const {return Z;} // Get a#of protons |
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70 | G4int GetN() const {return N;} // Get a#of neutrons |
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71 | G4int GetS() const {return S;} // Get a#of lambdas |
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72 | G4int GetA() const {return Z+N+S;} // Get A of the nucleus |
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73 | G4int GetDZ() const {return dZ;} // Get a#of protons in dense region |
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74 | G4int GetDN() const {return dN;} // Get a#of neutrons in dense region |
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75 | G4int GetDS() const {return dS;} // Get a#of lambdas in dense region |
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76 | G4int GetDA() const {return dZ+dN+dS;} // Get A of the dense part of nucleus |
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77 | G4int GetMaxClust() const {return maxClust;} // Get Max BarNum of Clusters |
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78 | G4double GetProbability(G4int bn=0) const {return probVect[bn];} // clust(BarN)probabil |
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79 | G4double GetMZNS() const {return GetQPDG().GetNuclMass(Z,N,S);} // not H or Q |
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80 | G4double GetTbIntegral(); // Calculate the integral of T(b) |
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81 | G4double GetGSMass() const {return GetQPDG().GetMass();}//Nucleus GSMass (not Hadron) |
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82 | G4QContent GetQCZNS() const // Get ZNS quark content of Nucleus |
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83 | { |
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84 | if(S>=0) return G4QContent(Z+N+N+S,Z+Z+N+S,S,0,0,0); |
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85 | else return G4QContent(Z+N+N+S,Z+Z+N+S,0,0,0,-S); |
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86 | } |
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87 | G4int GetNDefMesonC() const{return nDefMesonC;}; // max#of predefed mesonCandidates |
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88 | G4int GetNDefBaryonC()const{return nDefBaryonC;};// max#of predefed baryonCandidates |
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89 | G4double GetDensity(const G4ThreeVector&aPos) {return rho0*GetRelativeDensity(aPos);} |
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90 | G4double GetRho0() {return rho0;} // One nucleon prob-density |
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91 | G4double GetRelativeDensity(const G4ThreeVector& aPosition); // Densyty/rho0 |
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92 | G4double GetRelWSDensity(const G4double& r) // Wood-Saxon rho/rho0(r) |
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93 | {return 1./(1.+std::exp((r-radius)/WoodSaxonSurf));} |
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94 | G4double GetRelOMDensity(const G4double& r2){return std::exp(-r2/radius);} // OscModelRelDens |
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95 | G4double GetRadius(const G4double maxRelativeDenisty=0.5); // Radius of %ofDensity |
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96 | G4double GetOuterRadius(); // Get radius of the most far nucleon |
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97 | G4double GetDeriv(const G4ThreeVector& point); // Derivitive of density |
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98 | G4double GetFermiMomentum(G4double density); // Returns modul of FermyMomentum(dens) |
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99 | G4QHadron* GetNextNucleon() |
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100 | { |
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101 | //G4cout<<"G4QNucleus::GetNextNucleon: cN="<<currentNucleon<<", A="<<GetA()<<G4endl; |
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102 | return (currentNucleon>=0&¤tNucleon<GetA()) ? theNucleons[currentNucleon++] : 0; |
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103 | } |
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104 | void SubtractNucleon(G4QHadron* pNucleon); // Subtract the nucleon from the 3D Nucleus |
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105 | void DeleteNucleons(); // Deletes all residual nucleons |
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106 | G4LorentzVector GetNucleons4Momentum() |
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107 | { |
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108 | G4LorentzVector sum(0.,0.,0.,0.); |
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109 | for(unsigned i=0; i<theNucleons.size(); i++) sum += theNucleons[i]->Get4Momentum(); |
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110 | sum.setE(std::sqrt(sqr(GetGSMass())+sum.v().mag2())); // Energy is corrected ! |
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111 | return sum; |
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112 | } |
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113 | std::vector<G4double> const* GetBThickness() {return &Tb;} // T(b) function, step .1 fm |
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114 | |
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115 | // Specific Modifiers |
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116 | G4bool EvaporateBaryon(G4QHadron* h1,G4QHadron* h2); // Evaporate Baryon from Nucleus |
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117 | void EvaporateNucleus(G4QHadron* hA, G4QHadronVector* oHV);// Evaporate Nucleus |
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118 | //void DecayBaryon(G4QHadron* dB, G4QHadronVector* oHV); // gamma+N or Delt->N+Pi @@later |
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119 | void DecayDibaryon(G4QHadron* dB, G4QHadronVector* oHV); // deuteron is kept |
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120 | void DecayAntiDibaryon(G4QHadron* dB, G4QHadronVector* oHV);// antiDeuteron is kept |
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121 | void DecayIsonucleus(G4QHadron* dB, G4QHadronVector* oHV); // nP+(Pi+) or nN+(Pi-) |
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122 | void DecayMultyBaryon(G4QHadron* dB, G4QHadronVector* oHV);// A*p, A*n or A*L |
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123 | void DecayAntiStrange(G4QHadron* dB, G4QHadronVector* oHV);// nuclei with K+/K0 |
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124 | void DecayAlphaBar(G4QHadron* dB, G4QHadronVector* oHV); // alpha+p or alpha+n |
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125 | void DecayAlphaDiN(G4QHadron* dB, G4QHadronVector* oHV); // alpha+p+p |
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126 | void DecayAlphaAlpha(G4QHadron* dB, G4QHadronVector* oHV); // alpha+alpha |
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127 | G4int SplitBaryon(); // Is it possible to split baryon/alpha |
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128 | G4int HadrToNucPDG(G4int hPDG); // Converts hadronic PDGCode to nuclear |
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129 | G4int NucToHadrPDG(G4int nPDG); // Converts nuclear PDGCode to hadronic |
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130 | G4bool Split2Baryons(); // Is it possible to split two baryons? |
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131 | void ActivateBThickness(); // Calculate T(b) for nucleus (db=.1fm) |
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132 | G4double GetBThickness(G4double b); // Calculates T(b) |
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133 | G4double GetThickness(G4double b); // Calculates T(b)/rho(0) |
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134 | void InitByPDG(G4int newPDG); // Init existing nucleus by new PDG |
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135 | void InitByQC(G4QContent newQC) // Init existing nucleus by new QCont |
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136 | {G4int PDG=G4QPDGCode(newQC).GetPDGCode(); InitByPDG(PDG);} |
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137 | void IncProbability(G4int bn); // Add one cluster to probability |
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138 | void Increase(G4int PDG, G4LorentzVector LV = G4LorentzVector(0.,0.,0.,0.)); |
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139 | void Increase(G4QContent QC, G4LorentzVector LV = G4LorentzVector(0.,0.,0.,0.)); |
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140 | void Reduce(G4int PDG); // Reduce Nucleus by PDG fragment |
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141 | void CalculateMass() {Set4Momentum(G4LorentzVector(0.,0.,0.,GetGSMass()));} |
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142 | void SetMaxClust(G4int maxC){maxClust=maxC;}// Set Max BarNum of Clusters |
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143 | void InitCandidateVector(G4QCandidateVector& theQCandidates, |
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144 | G4int nM=45, G4int nB=72, G4int nC=117); |
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145 | void PrepareCandidates(G4QCandidateVector& theQCandidates, G4bool piF=false, G4bool |
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146 | gaF=false, G4LorentzVector LV=G4LorentzVector(0.,0.,0.,0.)); |
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147 | G4int UpdateClusters(G4bool din); // Return a#of clusters & calc.probab's |
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148 | G4QNucleus operator+=(const G4QNucleus& rhs); // Add a cluster to the nucleus |
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149 | G4QNucleus operator-=(const G4QNucleus& rhs); // Subtract a cluster from a nucleus |
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150 | G4QNucleus operator*=(const G4int& rhs); // Multiplication of the Nucleus |
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151 | G4bool StartLoop(); // returns size of theNucleons (cN=0) |
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152 | G4bool ReduceSum(G4ThreeVector* vectors, G4ThreeVector sum);// Reduce zero-sum of vectors |
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153 | void SimpleSumReduction(G4ThreeVector* vectors, G4ThreeVector sum); // Reduce zero-V-sum |
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154 | void DoLorentzBoost(const G4LorentzVector& theBoost) // Boost nucleons by 4-vector |
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155 | { |
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156 | theMomentum.boost(theBoost); |
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157 | for(unsigned i=0; i<theNucleons.size(); i++) theNucleons[i]->Boost(theBoost); |
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158 | } |
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159 | void DoLorentzRotation(const G4LorentzRotation& theLoRot) // Lorentz Rotate nucleons |
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160 | { |
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161 | theMomentum=theLoRot*theMomentum; |
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162 | for(unsigned i=0; i<theNucleons.size(); i++) theNucleons[i]->LorentzRotate(theLoRot); |
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163 | } |
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164 | void DoLorentzBoost(const G4ThreeVector& theBeta)// Boost nucleons by v/c |
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165 | { |
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166 | theMomentum.boost(theBeta); |
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167 | for(unsigned i=0; i<theNucleons.size(); i++) theNucleons[i]->Boost(theBeta); |
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168 | } |
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169 | void DoLorentzContraction(const G4LorentzVector&B){DoLorentzContraction(B.vect()/B.e());} |
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170 | void DoLorentzContraction(const G4ThreeVector& theBeta); // Lorentz Contraction by v/c |
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171 | void DoTranslation(const G4ThreeVector& theShift); // Used only in G4QFragmentation |
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172 | |
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173 | // Static functions |
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174 | static void SetParameters(G4double fN=.1,G4double fD=.05, G4double cP=4., G4double mR=1., |
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175 | G4double nD=.8*fermi); |
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176 | |
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177 | // Specific General Functions |
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178 | G4int RandomizeBinom(G4double p,G4int N); // Randomize according to Binomial Law |
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179 | G4double CoulombBarrier(const G4double& cZ=1, const G4double& cA=1, G4double dZ=0., |
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180 | G4double dA=0.); // CoulombBarrier in MeV |
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181 | G4double FissionCoulombBarrier(const G4double& cZ, const G4double& cA, G4double dZ=0., |
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182 | G4double dA=0.); // Fission CoulombBarrier in MeV |
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183 | G4double BindingEnergy(const G4double& cZ=0, const G4double& cA=0, G4double dZ=0., |
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184 | G4double dA=0.); |
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185 | G4double CoulBarPenProb(const G4double& CB, const G4double& E, const G4int& C, |
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186 | const G4int& B); |
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187 | std::pair<G4double, G4double> ChooseImpactXandY(G4double maxImpact); // Randomize bbar |
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188 | void ChooseNucleons(); // Initializes 3D Nucleons |
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189 | void ChoosePositions(); // Initializes positions of 3D nucleons |
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190 | void ChooseFermiMomenta(); // Initializes FermyMoms of 3D nucleons |
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191 | void InitDensity(); // Initializes density distribution |
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192 | void Init3D(); // automatically starts the LOOP |
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193 | private: |
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194 | // Specific Encapsulated Functions |
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195 | void SetZNSQC(G4int z, G4int n, G4int s); // Set QC, using Z,N,S |
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196 | G4QNucleus GetThis() const {return G4QNucleus(Z,N,S);} // @@ Check for memory leak |
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197 | |
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198 | // Body |
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199 | private: |
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200 | // Static Parameters |
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201 | static const G4int nDefMesonC =45; |
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202 | static const G4int nDefBaryonC=72; |
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203 | // |
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204 | static G4double freeNuc; // probability of the quasi-free baryon on surface |
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205 | static G4double freeDib; // probability of the quasi-free dibaryon on surface |
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206 | static G4double clustProb; // clusterization probability in dense region |
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207 | static G4double mediRatio; // relative vacuum hadronization probability |
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208 | static G4double nucleonDistance;// Distance between nucleons (0.8 fm) |
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209 | static G4double WoodSaxonSurf; // Surface parameter of Wood-Saxon density (0.545 fm) |
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210 | // The basic |
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211 | G4int Z; // Z of the Nucleus |
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212 | G4int N; // N of the Nucleus |
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213 | G4int S; // S of the Nucleus |
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214 | // The secondaries |
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215 | G4int dZ; // Z of the dense region of the nucleus |
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216 | G4int dN; // N of the dense region of the nucleus |
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217 | G4int dS; // S of the dense region of the nucleus |
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218 | G4int maxClust; // Baryon Number of the last calculated cluster |
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219 | G4double probVect[256]; // Cluster probability ("a#of issues" can be real) Vector |
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220 | // 3D |
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221 | G4QHadronVector theNucleons; // Vector of nucleons of which the Nucleus consists of |
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222 | G4int currentNucleon; // Current nucleon for the NextNucleon (? M.K.) |
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223 | G4double rho0; // Normalazation density |
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224 | G4double radius; // Nuclear radius |
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225 | std::vector<G4double> Tb; // T(b) function with step .1 fm (@@ make .1 a parameter) |
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226 | G4bool TbActive; // Flag that the T(b) is activated |
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227 | G4bool RhoActive; // Flag that the Density is activated |
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228 | }; |
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229 | |
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230 | std::ostream& operator<<(std::ostream& lhs, G4QNucleus& rhs); |
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231 | std::ostream& operator<<(std::ostream& lhs, const G4QNucleus& rhs); |
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232 | |
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233 | #endif |
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