1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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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 | // |
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27 | // $Id: G4FragmentingString.hh,v 1.3 2006/06/29 20:54:44 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-01-patch-02 $ |
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29 | // |
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30 | |
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31 | #ifndef G4FragmentingString_h |
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32 | #define G4FragmentingString_h 1 |
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33 | |
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34 | // ------------------------------------------------------------ |
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35 | // GEANT 4 class header file |
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36 | // |
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37 | // ---------------- G4FragmentingString ---------------- |
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38 | // by Gunter Folger, September 2001. |
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39 | // class for an excited string used in Fragmention |
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40 | // ------------------------------------------------------------ |
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41 | |
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42 | #include "G4ios.hh" |
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43 | #include "globals.hh" |
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44 | #include "G4ThreeVector.hh" |
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45 | #include "G4LorentzVector.hh" |
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46 | #include "G4ParticleDefinition.hh" |
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47 | |
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48 | class G4ExcitedString; |
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49 | |
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50 | class G4FragmentingString |
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51 | { |
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52 | |
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53 | public: |
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54 | |
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55 | G4FragmentingString(const G4FragmentingString &right); |
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56 | G4FragmentingString(const G4ExcitedString &excited); |
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57 | G4FragmentingString(const G4FragmentingString &old, |
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58 | G4ParticleDefinition * newdecay, |
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59 | const G4LorentzVector *momentum); |
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60 | |
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61 | ~G4FragmentingString(); |
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62 | |
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63 | int operator==(const G4FragmentingString &right) const; |
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64 | |
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65 | int operator!=(const G4FragmentingString &right) const; |
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66 | |
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67 | |
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68 | G4LorentzVector Get4Momentum() const; |
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69 | |
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70 | G4ThreeVector StablePt(); |
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71 | G4ThreeVector DecayPt(); |
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72 | |
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73 | G4double LightConePlus(); |
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74 | G4double LightConeMinus(); |
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75 | G4double LightConeDecay(); |
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76 | |
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77 | G4double Mass() const; |
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78 | G4double Mass2() const; |
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79 | |
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80 | |
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81 | G4ParticleDefinition* GetLeftParton(void) const; |
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82 | G4ParticleDefinition* GetRightParton(void) const; |
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83 | |
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84 | G4ParticleDefinition* GetStableParton() const; // stable at the moment |
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85 | G4ParticleDefinition* GetDecayParton() const; // currently involved in fragmentation |
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86 | |
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87 | void SetLeftPartonStable(); |
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88 | void SetRightPartonStable(); |
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89 | |
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90 | G4int GetDecayDirection() const; |
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91 | |
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92 | G4bool DecayIsQuark(); |
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93 | G4bool StableIsQuark(); |
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94 | G4bool FourQuarkString(void) const; |
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95 | |
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96 | |
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97 | private: |
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98 | |
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99 | G4ParticleDefinition *LeftParton, *RightParton; |
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100 | G4ThreeVector Ptleft,Ptright; // Pt (px,py) for partons (pz ignored!) |
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101 | G4double Pplus, Pminus; // p-, p+ of string, Plus ass. to Left! |
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102 | |
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103 | G4ParticleDefinition * theStableParton, * theDecayParton; |
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104 | |
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105 | enum DecaySide { None, Left, Right }; |
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106 | DecaySide decaying; |
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107 | }; |
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108 | |
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109 | inline |
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110 | int G4FragmentingString::operator==(const G4FragmentingString &right) const |
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111 | { |
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112 | return this == &right; |
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113 | } |
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114 | |
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115 | inline |
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116 | int G4FragmentingString::operator!=(const G4FragmentingString &right) const |
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117 | { |
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118 | return this != &right; |
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119 | } |
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120 | |
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121 | |
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122 | inline |
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123 | G4ParticleDefinition * G4FragmentingString::GetStableParton() const |
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124 | { |
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125 | return theStableParton; |
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126 | } |
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127 | |
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128 | inline |
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129 | G4ParticleDefinition * G4FragmentingString::GetDecayParton() const |
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130 | { |
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131 | return theDecayParton; |
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132 | } |
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133 | |
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134 | inline |
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135 | G4ParticleDefinition* G4FragmentingString::GetLeftParton(void) const |
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136 | { |
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137 | return LeftParton; |
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138 | } |
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139 | |
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140 | inline |
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141 | G4ParticleDefinition* G4FragmentingString::GetRightParton(void) const |
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142 | { |
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143 | return RightParton; |
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144 | } |
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145 | |
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146 | |
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147 | |
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148 | #endif |
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149 | |
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150 | |
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