[807] | 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 | // Rich advanced example for Geant4 |
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| 27 | // RichTbMaterialParameters.cc 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 | #include <iostream> |
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| 33 | #include <fstream> |
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| 34 | #include "globals.hh" |
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| 35 | #include "RichTbGeometryParameters.hh" |
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| 36 | #include "RichTbMaterialParameters.hh" |
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| 37 | #include "FilterTrData.hh" |
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| 38 | #include "AerogelTypeSpec.hh" |
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| 39 | |
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| 40 | #include "RichTbAnalysisManager.hh" |
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| 41 | |
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| 42 | |
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| 43 | void InitializeRichTbMaterial(){ |
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| 44 | |
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| 45 | } |
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| 46 | |
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| 47 | std::vector<G4double> InitializePhotonMomentumVector() { |
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| 48 | |
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| 49 | G4double PhotonEnergyStep=(PhotonMaxEnergy-PhotonMinEnergy)/ |
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| 50 | NumPhotWaveLengthBins; |
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| 51 | std::vector<G4double>PhotMomVect(NumPhotWaveLengthBins); |
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| 52 | for (G4int ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
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| 53 | PhotMomVect[ibin]=PhotonMinEnergy+PhotonEnergyStep*ibin; |
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| 54 | } |
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| 55 | return PhotMomVect; |
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| 56 | } |
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| 57 | std::vector<G4double> InitN2RefIndex(G4double pressure, G4double temperature){ |
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| 58 | |
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| 59 | std::vector<G4double> PmV=InitN2RefPhotW(); |
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| 60 | std::vector<G4double> RefN2(NumPhotWaveLengthBins); |
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| 61 | G4double GasRhoN2Cur=GasRhoN2atSTP*(GasTemperature_STP/temperature)* |
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| 62 | (pressure/ GasPressure_STP); |
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| 63 | G4double epho,pfe,cpfe; |
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| 64 | for(G4int ibinwn =0; ibinwn<NumPhotWaveLengthBins ; ibinwn++ ){ |
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| 65 | |
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| 66 | epho = PmV[ibinwn]/eV; |
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| 67 | pfe = SellN2F1/(SellN2E1*SellN2E1 - epho*epho ) + |
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| 68 | SellN2F2/(SellN2E2*SellN2E2 - epho*epho ); |
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| 69 | cpfe=0.3738*(GasRhoN2Cur/GasMolWeightN2)*pfe; |
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| 70 | RefN2[ibinwn]=std::pow((1.0+2*cpfe)/(1.0-cpfe),0.5); |
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| 71 | } |
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| 72 | return RefN2; |
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| 73 | } |
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| 74 | std::vector<G4double> InitN2RefPhotW() { |
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| 75 | return InitializePhotonMomentumVector() ; |
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| 76 | } |
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| 77 | std::vector<G4double> InitAgelPhotW() { |
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| 78 | return InitializePhotonMomentumVector() ; |
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| 79 | } |
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| 80 | std::vector<G4double> InitializeHpdQE(G4int ihpdqe) { |
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| 81 | // Initialize the HPD QE |
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| 82 | G4int iqb; |
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| 83 | if(ihpdqe >= NumHpdTot ) { |
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| 84 | G4cout<<"Wrong HPD Number for QE " <<ihpdqe<<" vs " |
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| 85 | <<NumHpdTot <<G4endl; |
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| 86 | } |
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| 87 | std::vector<G4double>qeCurPerCent(NumQEbins); |
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| 88 | if(ihpdqe == 0 ){ |
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| 89 | for(iqb=0; iqb<NumQEbins; iqb++){ |
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| 90 | qeCurPerCent[iqb] = Hpd0QEPerCent[iqb]* HpdQEReductionFactor; |
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| 91 | } |
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| 92 | } |
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| 93 | if(ihpdqe == 1 ){ |
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| 94 | for(iqb=0; iqb<NumQEbins; iqb++){ |
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| 95 | qeCurPerCent[iqb] = Hpd1QEPerCent[iqb]* HpdQEReductionFactor; |
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| 96 | } |
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| 97 | } |
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| 98 | if(ihpdqe == 2 ){ |
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| 99 | for(iqb=0; iqb<NumQEbins; iqb++){ |
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| 100 | qeCurPerCent[iqb] = Hpd2QEPerCent[iqb]* HpdQEReductionFactor; |
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| 101 | } |
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| 102 | } |
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| 103 | if(ihpdqe == 3 ){ |
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| 104 | for(iqb=0; iqb<NumQEbins; iqb++){ |
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| 105 | qeCurPerCent[iqb] = Hpd3QEPerCent[iqb]* HpdQEReductionFactor; |
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| 106 | } |
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| 107 | } |
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| 108 | |
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| 109 | return qeCurPerCent; |
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| 110 | } |
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| 111 | std::vector<G4double> InitializeHpdWaveL(G4int ihpdqe) { |
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| 112 | G4int iqb; |
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| 113 | if(ihpdqe >= NumHpdTot ) { |
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| 114 | G4cout<<"Wrong HPD Number for QE wavelength " <<ihpdqe<<" vs " |
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| 115 | <<NumHpdTot <<G4endl; |
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| 116 | } |
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| 117 | // for now all HPDs have the same wavelength bins. |
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| 118 | std::vector<G4double>HpdQEW(NumQEbins); |
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| 119 | for (iqb=0; iqb<NumQEbins; iqb++){ |
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| 120 | HpdQEW[iqb]= HpdQEWaveL[iqb]; |
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| 121 | } |
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| 122 | return HpdQEW; |
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| 123 | } |
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| 124 | |
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| 125 | void HistoRichTbMaterialProperties(RichTbRunConfig* RConfig) { |
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| 126 | |
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| 127 | |
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| 128 | G4int AerogelNum=0; |
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| 129 | G4double waL=200; |
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| 130 | |
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| 131 | G4double stepsize=7.0; |
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| 132 | |
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| 133 | // G4double thickness=(GetCurAerogelLength(AerogelNum))/cm; |
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| 134 | AerogelType CurAerogelType=RConfig-> GetCurAerogelType(AerogelNum); |
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| 135 | |
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| 136 | |
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| 137 | |
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| 138 | G4double Aparam=0.; |
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| 139 | G4double Cparam=0.; |
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| 140 | if(CurAerogelType == AerogelTypeA ) { |
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| 141 | Aparam = AerogelTypeATotTrans; |
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| 142 | Cparam = AerogelTypeAClarity*cm/(micrometer*micrometer*micrometer*micrometer); |
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| 143 | } |
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| 144 | |
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| 145 | |
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| 146 | |
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| 147 | for(G4int Iabin=0; Iabin<100; Iabin ++ ) { |
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| 148 | |
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| 149 | // G4double waLInmu = waL/1000.0; |
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| 150 | // G4double Aetr = Aparam* std::exp(-Cparam * thickness / std::pow(waLInmu,4) ); |
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| 151 | |
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| 152 | waL += stepsize; |
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| 153 | } |
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| 154 | |
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| 155 | |
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| 156 | |
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| 157 | |
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| 158 | |
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| 159 | |
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| 160 | G4int ihpdqa; |
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| 161 | ihpdqa=0; |
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| 162 | std::vector<G4double>WaveL1 = InitializeHpdWaveL(ihpdqa); |
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| 163 | std::vector<G4double>QEff1 = InitializeHpdQE(ihpdqa); |
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| 164 | |
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| 165 | |
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| 166 | |
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| 167 | } |
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| 168 | |
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| 169 | |
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| 170 | std::vector<G4int> getDeadPixelList(G4int ihpdNum, G4int){ |
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| 171 | std::vector<G4int>DeadPixelList; |
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| 172 | // G4int isc,ipsc; |
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| 173 | |
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| 174 | |
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| 175 | if(G4int(DeadPixelList.size()) > MaxNumDeadPixelPerHpdSect ){ |
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| 176 | G4cout<<" Too Many dead Pixels in Hpd "<<DeadPixelList.size() |
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| 177 | <<" in Hpd "<<ihpdNum<<G4endl; |
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| 178 | } |
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| 179 | |
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| 180 | return DeadPixelList; |
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| 181 | } |
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| 182 | std::vector<G4double>GetAerogelRScatLength(AerogelType CurrentAerogelType) { |
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| 183 | |
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| 184 | std::vector<G4double>AgelRayleighScatLength(NumPhotWaveLengthBins); |
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| 185 | std::vector<G4double>AgelPhotW = InitAgelPhotW(); |
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| 186 | G4double aClarity=0.; |
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| 187 | if(CurrentAerogelType == AerogelTypeA ) { |
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| 188 | aClarity=AerogelTypeAClarity/(micrometer*micrometer*micrometer*micrometer); |
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| 189 | |
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| 190 | }else if (CurrentAerogelType == AerogelTypeB ) { |
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| 191 | aClarity=AerogelTypeBClarity/(micrometer*micrometer*micrometer*micrometer); |
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| 192 | }else if (CurrentAerogelType == AerogelTypeC ) { |
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| 193 | aClarity=AerogelTypeCClarity/(micrometer*micrometer*micrometer*micrometer); |
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| 194 | |
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| 195 | |
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| 196 | }else if (CurrentAerogelType == AerogelTypeD ) { |
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| 197 | aClarity=AerogelTypeDClarity/(micrometer*micrometer*micrometer*micrometer); |
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| 198 | |
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| 199 | }else if (CurrentAerogelType == AerogelTypeE ) { |
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| 200 | aClarity=AerogelTypeEClarity/(micrometer*micrometer*micrometer*micrometer); |
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| 201 | |
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| 202 | }else {G4cout<<"Unknown Aerogel Type for Rayleigh Scat Length "<<G4endl; } |
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| 203 | |
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| 204 | if(aClarity != 0.0 ) { |
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| 205 | for(G4int ibinw=0; ibinw<NumPhotWaveLengthBins; ibinw++ ){ |
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| 206 | G4double ephoton=AgelPhotW[ibinw]/eV; |
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| 207 | //In the following the 1000 is to convert form nm to micrometer |
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| 208 | G4double wphoton=(PhotMomWaveConv/ephoton)/1000.0; |
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| 209 | AgelRayleighScatLength[ibinw]=(std::pow(wphoton,4))/aClarity; |
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| 210 | |
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| 211 | } |
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| 212 | } |
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| 213 | |
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| 214 | return AgelRayleighScatLength; |
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| 215 | } |
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| 216 | G4double GetCurrentBulkTrans(G4double currentMatRefIndex, |
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| 217 | G4double currentNeighbourRefIndex, |
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| 218 | G4double MaxTotMeasuredTransmission){ |
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| 219 | G4double ATrans=MaxTotMeasuredTransmission; |
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| 220 | // G4double ePhot; |
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| 221 | // in the following the energy of the photon is not used since |
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| 222 | // it is only an approximate calulation. |
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| 223 | G4double na= currentMatRefIndex; |
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| 224 | G4double nb= currentNeighbourRefIndex; |
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| 225 | G4double LossAtEntrance=std::pow(((na-nb)/(na+nb)),2.0); |
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| 226 | G4double LossAtExit=std::pow(((nb-na)/(nb+na)),2.0); |
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| 227 | |
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| 228 | G4double LightLossAtExternalSurface= LossAtEntrance+ LossAtExit; |
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| 229 | |
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| 230 | ATrans += LightLossAtExternalSurface; |
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| 231 | if(ATrans >= 1.0) ATrans=1.0; |
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| 232 | return ATrans; |
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| 233 | } |
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| 234 | |
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| 235 | |
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| 236 | |
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| 237 | |
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| 238 | |
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