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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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9 | // * include a list of copyright holders. * |
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11 | // * Neither the authors of this software system, nor their employing * |
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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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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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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 | #ifndef G4QParton_h |
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28 | #define G4QParton_h 1 |
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29 | |
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30 | // $Id: G4QParton.hh,v 1.8 2009/07/17 16:54:57 mkossov Exp $ |
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31 | // GEANT4 tag $Name: hadr-chips-V09-03-08 $ |
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32 | // |
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33 | // ------------------------------------------------------------ |
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34 | // GEANT 4 class header file |
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35 | // |
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36 | // ---------------- G4QParton ---------------- |
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37 | // by Mikhail Kosov, October 2006 |
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38 | // class for Quark-Parton for quark-level models |
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39 | // For comparison mirror member functions are taken from G4 class: |
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40 | // G4Parton |
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41 | // ----------------------------------------------------------------- |
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42 | // Short description: The Quark-Gluon String consists of the partons, which |
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43 | // are quarks and some times gluons. |
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44 | // ------------------------------------------------------------------------ |
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45 | |
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46 | #include "globals.hh" |
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47 | #include "G4QContent.hh" |
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48 | #include "G4LorentzVector.hh" |
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49 | #include "G4ThreeVector.hh" |
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50 | #include <iostream> |
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51 | #include "Randomize.hh" |
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52 | |
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53 | class G4QParton |
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54 | { |
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55 | public: |
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56 | // Constructors |
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57 | G4QParton(); // Default fullRandom constructor |
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58 | G4QParton(G4int aPGG); // Collor/Spin are still random |
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59 | G4QParton(const G4QParton &right); |
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60 | G4QParton(const G4QParton* right); |
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61 | |
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62 | // Destructor |
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63 | ~G4QParton(); |
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64 | |
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65 | // Operators |
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66 | const G4QParton& operator=(const G4QParton &right); |
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67 | G4int operator==(const G4QParton &right) const {return this==&right;} |
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68 | G4int operator!=(const G4QParton &right) const {return this!=&right;} |
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69 | |
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70 | // Modifiers |
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71 | void DefineEPz(G4LorentzVector hadr4Mom){theMomentum+=hadr4Mom*theX;} // CHIPS solution |
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72 | void DefineMomentumInZ(G4double aLightConeMomentum, G4bool aDirection); |
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73 | void SetPDGCode(G4int aPDG); |
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74 | void SetColour(G4int aColour) {theColour = aColour;} |
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75 | void SetX(G4double anX) {theX = anX;} |
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76 | void Set4Momentum(const G4LorentzVector& aMomentum) {theMomentum=aMomentum;} |
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77 | void SetPosition(const G4ThreeVector& aPosition) {thePosition=aPosition;} |
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78 | void SetSpinZ(G4double aSpinZ) {theSpinZ = aSpinZ;} |
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79 | G4bool ReduceDiQADiQ(G4QParton* d1, G4QParton* d2); // Reduce DiQ-aDiQ to Q-aQ (general) |
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80 | |
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81 | // Selectors |
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82 | G4int GetPDGCode() const {return PGGCode;} |
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83 | G4QContent GetQC() const {return QCont;} |
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84 | const G4ThreeVector& GetPosition() const {return thePosition;} |
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85 | const G4LorentzVector& Get4Momentum() const {return theMomentum;} |
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86 | G4double GetX() {return theX;} |
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87 | G4int GetColour() {return theColour;} |
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88 | G4double GetSpinZ() {return theSpinZ;} |
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89 | const G4int& GetType() const {return theType;} |
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90 | private: |
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91 | // Body |
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92 | G4int PGGCode; |
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93 | G4QContent QCont; // Quark Content of the parton |
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94 | G4int theType; // 0 = gluon, 1 = quark-antiquark, 2 = diquark/antidiquark |
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95 | G4int theColour; |
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96 | G4double theSpinZ; |
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97 | G4double theX; |
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98 | G4ThreeVector thePosition; |
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99 | G4LorentzVector theMomentum; |
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100 | }; |
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101 | |
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102 | #endif |
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