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1 | #ifndef TFLUKACERENKOV |
| 2 | #define TFLUKACERENKOV |
| 3 | |
| 4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| 5 | * See cxx source for full Copyright notice */ |
| 6 | |
| 7 | /* $Id$ */ |
| 8 | |
| 9 | /////////////////////////////////////////////////////////////////////////////// |
| 10 | // // |
| 11 | // // |
| 12 | // Class that gives access to optical properties for Cerenkov photon // |
| 13 | // production and transport // |
| 14 | // // |
| 15 | // // |
| 16 | /////////////////////////////////////////////////////////////////////////////// |
| 17 | |
| 18 | |
| 19 | #include <TObject.h> |
| 20 | #include <TMath.h> |
| 21 | |
| 22 | const Double_t khc = 2. * TMath::Pi() * 0.1973269602e-13; // GeV cm |
| 23 | |
| 24 | |
| 25 | class TFlukaCerenkov : public TObject |
| 26 | { |
| 27 | |
| 28 | public: |
| 29 | // constructors |
| 30 | TFlukaCerenkov(); |
| 31 | TFlukaCerenkov(Int_t npckov, Float_t *ppckov, Float_t *absco, Float_t *effic, Float_t *rindex); |
| 32 | virtual Float_t GetAbsorptionCoefficient(Float_t energy); |
| 33 | virtual Float_t GetQuantumEfficiency(Float_t energy); |
| 34 | virtual Float_t GetRefractionIndex(Float_t energy); |
| 35 | virtual Float_t GetAbsorptionCoefficientByWaveLength(Float_t energy); |
| 36 | virtual Float_t GetQuantumEfficiencyByWaveLength(Float_t energy); |
| 37 | virtual Float_t GetRefractionIndexByWaveLength(Float_t energy); |
| 38 | virtual Float_t GetMinimumEnergy() {return fEnergy[0];} |
| 39 | virtual Float_t GetMaximumEnergy() {return fEnergy[fSamples-1];} |
| 40 | virtual Float_t GetMinimumWavelength() {return khc / fEnergy[fSamples-1];} |
| 41 | virtual Float_t GetMaximumWavelength() {return khc / fEnergy[0];} |
| 42 | virtual Int_t GetNSamples() {return fSamples;} |
| 43 | virtual Bool_t IsMetal() {return fIsMetal;} |
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44 | virtual Bool_t IsSensitive() {return fIsSensitive;} |
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45 | virtual Double_t GetMaximumEfficiency() const {return fMaximumEfficiency;} |
| 46 | static Double_t GetGlobalMaximumEfficiency() {return fgGlobalMaximumEfficiency;} |
| 47 | static void SetGlobalMaximumEfficiency(Double_t eff) {fgGlobalMaximumEfficiency = eff;} |
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48 | protected: |
| 49 | virtual Float_t Interpolate(Float_t energy, Float_t* array1, Float_t* array2); |
| 50 | |
| 51 | protected: |
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52 | Int_t fSamples; // Number of sampling points |
| 53 | Bool_t fIsMetal; // Flag for metals |
| 54 | Bool_t fIsSensitive; // Flag for metals |
| 55 | Float_t* fEnergy; // [fSamples] Energy (GeV) |
| 56 | Float_t* fWaveLength; // [fSamples] Wafelength (cm) |
| 57 | Float_t* fAbsorptionCoefficient; // [fSamples] Absorption Coefficient (1/cm) |
| 58 | Float_t* fQuantumEfficiency; // [fSamples] Quantum efficiency |
| 59 | Float_t* fRefractionIndex; // [fSamples] Refraction Index |
| 60 | Double_t fMaximumEfficiency; // Local maximum quantum efficiency |
| 61 | // static |
| 62 | static Double_t fgGlobalMaximumEfficiency; // Global maximum quantum efficiency |
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63 | |
| 64 | ClassDef(TFlukaCerenkov, 1) // CerenkovProperties |
| 65 | }; |
| 66 | |
| 67 | #endif |
| 68 | |
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