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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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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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 | // Rich advanced example for Geant4 |
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27 | // PadHpdPhotoElectricEffect.hh for Rich of LHCb |
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28 | // History: |
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29 | // Created: Sajan Easo (Sajan.Easo@cern.ch) |
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30 | // Revision and changes: Patricia Mendez (Patricia.Mendez@cern.ch) |
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31 | ///////////////////////////////////////////////////////////////////////////// |
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32 | #ifndef PadHpdPhotoElectricEffect_h |
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33 | #define PadHpdPhotoElectricEffect_h 1 |
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34 | #include "G4ios.hh" |
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35 | #include "globals.hh" |
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36 | #include "Randomize.hh" |
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37 | #include "G4VDiscreteProcess.hh" |
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38 | #include "G4PhotoElectricEffect.hh" |
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39 | #include "G4DynamicParticle.hh" |
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40 | #include "G4OpticalPhoton.hh" |
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41 | #include "G4Electron.hh" |
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42 | #include "G4Step.hh" |
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43 | #include "RichTbMaterialParameters.hh" |
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44 | class RichTbAnalysisManager; |
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45 | class RichTbRunConfig; |
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46 | |
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47 | class PadHpdPhotoElectricEffect : public G4VDiscreteProcess { |
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48 | public: |
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49 | |
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50 | PadHpdPhotoElectricEffect(const G4String&,RichTbRunConfig* ); |
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51 | virtual ~PadHpdPhotoElectricEffect(); |
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52 | |
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53 | G4bool IsApplicable(const G4ParticleDefinition& ); |
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54 | // is applicable for optical photon only |
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55 | |
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56 | G4double GetMeanFreePath(const G4Track& , |
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57 | G4double , |
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58 | G4ForceCondition* condition); |
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59 | //returns infinity (max integer possible) . This means the process does |
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60 | // not limit the step, but sets the Forced condition for the DoIt to be |
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61 | // invoked at every step. But only at the boundary between Hpd quartz |
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62 | // window and the Hpd photocathode any action be taken. |
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63 | |
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64 | G4VParticleChange* PostStepDoIt(const G4Track& aTrack, |
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65 | const G4Step& aStep); |
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66 | //The method for implementing the HpdPhotoelectric effect. |
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67 | |
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68 | |
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69 | G4double getHpdQEff(G4int, G4double); |
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70 | // To interpolate the QE from QE data. |
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71 | G4double getHpdPhElectronKE() |
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72 | {return HpdPhElectronKE; } |
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73 | G4double getPhCathodeToSilDetDist() |
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74 | {return PhCathodeToSilDetDist; } |
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75 | G4double getHpdDemag(G4int hpdnum) {return DemagnificationFactor[hpdnum]; } |
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76 | private: |
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77 | // RichTbAnalysisManager* rAnalysisPhy; |
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78 | RichTbRunConfig* rConfig; |
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79 | G4String PrePhotoElectricVolName; |
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80 | G4String PostPhotoElectricVolName; |
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81 | G4double HpdPhElectronKE; |
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82 | G4double PhCathodeToSilDetDist; |
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83 | G4double PSFsigma; |
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84 | std::vector<G4double>DemagnificationFactor; |
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85 | std::vector<G4double>DemagnificationQuadFactor; |
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86 | std::vector<std::vector<G4double> >HpdQE; |
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87 | std::vector<std::vector<G4double> >HpdWabin; |
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88 | |
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89 | }; |
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90 | |
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91 | #endif |
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