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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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9 | // * include a list of copyright holders. * |
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13 | // * work make any representation or warranty, express or implied, * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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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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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 | // |
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27 | // $Id: G4ExcitedStringDecay.hh,v 1.10 2009/10/05 12:52:48 vuzhinsk Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03 $ |
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29 | // |
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30 | #ifndef G4ExcitedStringDecay_h |
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31 | #define G4ExcitedStringDecay_h 1 |
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32 | |
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33 | #include "globals.hh" |
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34 | #include "G4VStringFragmentation.hh" |
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35 | #include "G4ExcitedStringVector.hh" |
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36 | #include "G4KineticTrackVector.hh" |
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37 | #include "G4LundStringFragmentation.hh" |
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38 | |
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39 | class G4ExcitedStringDecay: public G4VStringFragmentation |
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40 | { |
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41 | public: |
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42 | G4ExcitedStringDecay(); |
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43 | G4ExcitedStringDecay(G4VLongitudinalStringDecay * aStringDecay); |
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44 | ~G4ExcitedStringDecay(); |
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45 | |
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46 | private: |
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47 | G4ExcitedStringDecay(const G4ExcitedStringDecay &right); |
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48 | const G4ExcitedStringDecay & operator=(const G4ExcitedStringDecay &right); |
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49 | int operator==(const G4ExcitedStringDecay &right) const; |
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50 | int operator!=(const G4ExcitedStringDecay &right) const; |
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51 | |
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52 | public: |
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53 | |
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54 | virtual G4KineticTrackVector * FragmentStrings(const G4ExcitedStringVector * theStrings); |
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55 | |
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56 | private: |
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57 | G4KineticTrackVector * FragmentString(const G4ExcitedString &theString); |
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58 | G4bool EnergyAndMomentumCorrector(G4KineticTrackVector* Output, G4LorentzVector& TotalCollisionMom); |
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59 | |
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60 | G4VLongitudinalStringDecay * theStringDecay; |
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61 | |
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62 | }; |
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63 | |
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64 | inline |
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65 | G4KineticTrackVector *G4ExcitedStringDecay:: |
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66 | FragmentString(const G4ExcitedString &theString) |
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67 | { |
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68 | if ( theStringDecay == NULL ) |
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69 | theStringDecay=new G4LundStringFragmentation(); |
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70 | |
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71 | return theStringDecay->FragmentString(theString); |
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72 | } |
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73 | |
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74 | inline |
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75 | G4KineticTrackVector *G4ExcitedStringDecay:: |
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76 | FragmentStrings(const G4ExcitedStringVector * theStrings) |
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77 | { |
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78 | G4KineticTrackVector * theResult = new G4KineticTrackVector; |
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79 | |
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80 | G4LorentzVector KTsum; |
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81 | G4LorentzVector KTsecondaries; |
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82 | G4bool NeedEnergyCorrector=false; |
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83 | //G4cout<<"Number of strings "<<theStrings->size()<<G4endl; // Vova |
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84 | for ( unsigned int astring=0; astring < theStrings->size(); astring++) |
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85 | { |
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86 | //G4cout<<"String# "<<astring<<" 4mom "<<theStrings->operator[](astring)->Get4Momentum()<<G4endl; // Vova |
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87 | KTsum+= theStrings->operator[](astring)->Get4Momentum(); |
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88 | //G4cout<<"KTsum "<<KTsum<<G4endl; |
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89 | if( !(KTsum.e()<1) && !(KTsum.e()>-1) ) |
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90 | { |
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91 | throw G4HadronicException(__FILE__, __LINE__, |
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92 | "G4ExcitedStringDecay::FragmentStrings received nan string..."); |
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93 | } |
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94 | G4KineticTrackVector * generatedKineticTracks = NULL; |
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95 | |
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96 | if ( theStrings->operator[](astring)->IsExcited() ) |
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97 | { |
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98 | generatedKineticTracks=FragmentString(*theStrings->operator[](astring)); |
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99 | } else { |
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100 | generatedKineticTracks = new G4KineticTrackVector; |
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101 | generatedKineticTracks->push_back(theStrings->operator[](astring)->GetKineticTrack()); |
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102 | } |
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103 | |
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104 | if (generatedKineticTracks == NULL) |
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105 | { |
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106 | G4cerr << "G4VPartonStringModel:No KineticTracks produced" << G4endl; |
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107 | continue; |
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108 | } |
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109 | |
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110 | //G4cout<<" prod had "<<generatedKineticTracks->size()<<G4endl; // Vova |
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111 | G4LorentzVector KTsum1; |
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112 | for ( unsigned int aTrack=0; aTrack<generatedKineticTracks->size();aTrack++) |
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113 | { |
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114 | theResult->push_back(generatedKineticTracks->operator[](aTrack)); |
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115 | KTsum1+= (*generatedKineticTracks)[aTrack]->Get4Momentum(); |
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116 | } |
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117 | |
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118 | KTsecondaries+=KTsum1; |
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119 | |
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120 | if ( KTsum1.e() > 0 && std::abs((KTsum1.e()-theStrings->operator[](astring)->Get4Momentum().e()) / KTsum1.e()) > perMillion ) |
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121 | { |
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122 | //--debug-- G4cout << "String secondaries(" <<generatedKineticTracks->size()<< ") momentum: " |
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123 | //--debug-- << theStrings->operator[](astring)->Get4Momentum() << " " << KTsum1 << G4endl; |
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124 | NeedEnergyCorrector=true; |
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125 | } |
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126 | // clean up |
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127 | delete generatedKineticTracks; |
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128 | } |
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129 | //--DEBUG G4cout << "Strings/secs total 4 momentum " << KTsum << " " <<KTsecondaries << G4endl; |
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130 | |
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131 | G4bool success=true; |
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132 | if ( NeedEnergyCorrector ) success=EnergyAndMomentumCorrector(theResult, KTsum); |
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133 | |
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134 | |
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135 | #ifdef debug_ExcitedStringDecay |
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136 | G4LorentzVector KTsum1=0; |
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137 | for ( unsigned int aTrack=0; aTrack<theResult->size();aTrack++) |
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138 | { |
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139 | G4cout << " corrected tracks .. " << (*theResult)[aTrack]->GetDefinition()->GetParticleName() |
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140 | <<" " << (*theResult)[aTrack]->Get4Momentum() << G4endl; |
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141 | KTsum1+= (*theResult)[aTrack]->Get4Momentum(); |
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142 | } |
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143 | G4cout << "Needcorrector/success " << NeedEnergyCorrector << "/" << success << ", Corrected total 4 momentum " << KTsum1 << G4endl; |
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144 | if ( ! success ) G4cout << "failed to correct E/p" << G4endl; |
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145 | #endif |
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146 | |
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147 | return theResult; |
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148 | } |
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149 | |
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150 | #endif |
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151 | |
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152 | |
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