[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 | // AerogelRefData.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 "AerogelRefData.hh" |
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| 35 | #include "RichTbGeometryParameters.hh" |
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| 36 | #include "RichTbMaterialParameters.hh" |
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| 37 | AerogelRefData::AerogelRefData(G4String AgelRefIndFile) |
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| 38 | :NumberOfRefIndBins(NumAerogelRefIndexPhotonEnergyBins), |
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| 39 | StdAerogelRefphotE(std::vector<G4double>(NumAerogelRefIndexPhotonEnergyBins)), |
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| 40 | StdAerogelRefIndexValue(std::vector<G4double>(NumAerogelRefIndexPhotonEnergyBins)), |
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| 41 | AerogelRefIndShift(std::vector<G4double>( MaxNumberOfAerogelTypes)), |
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| 42 | AerogelWavelengthRef(std::vector<G4double>( MaxNumberOfAerogelTypes)) { |
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| 43 | |
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| 44 | AerogelRefIndexFileName=AgelRefIndFile; |
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| 45 | |
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| 46 | StdAerogelNominalRefractiveIndex= StdAerogelNominalRefIndex; |
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| 47 | |
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| 48 | ReadStdAerogelRefIndex(); |
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| 49 | G4double AerogelRefEnergy,AerogelReferenceRefInd; |
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| 50 | for(G4int ityp=0; ityp< MaxNumberOfAerogelTypes; ityp++ ){ |
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| 51 | AerogelWavelengthRef[ityp]=AerogelReferenceRefIndWavelength[ityp]; |
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| 52 | AerogelRefEnergy= |
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| 53 | (PhotMomWaveConv/(AerogelWavelengthRef[ityp]/nanometer))*eV; |
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| 54 | |
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| 55 | AerogelReferenceRefInd = GetStdAgelRefIndexE(AerogelRefEnergy); |
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| 56 | AerogelRefIndShift[ityp] = AerogelReferenceRefInd - |
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| 57 | StdAerogelNominalRefractiveIndex ; |
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| 58 | } |
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| 59 | |
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| 60 | } |
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| 61 | G4double AerogelRefData::GetStdAgelRefIndexE(G4double StdAgelRefEnergy) { |
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| 62 | |
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| 63 | G4double refint= StdAerogelNominalRefractiveIndex; |
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| 64 | if(StdAgelRefEnergy <= StdAerogelRefphotE[0] ) { |
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| 65 | refint= StdAerogelRefphotE[0]; |
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| 66 | G4cout<<"Ref index reference value outside bounds "<<G4endl; |
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| 67 | |
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| 68 | } |
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| 69 | if(StdAgelRefEnergy > StdAerogelRefphotE[ NumberOfRefIndBins-1 ] ) { |
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| 70 | refint= StdAerogelRefphotE[ NumberOfRefIndBins-1 ]; |
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| 71 | G4cout<<"Ref index reference value outside bounds "<<G4endl; |
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| 72 | |
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| 73 | } |
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| 74 | |
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| 75 | for(G4int iabin=0; iabin < NumberOfRefIndBins-1 ; iabin++ ){ |
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| 76 | |
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| 77 | G4double E1= StdAerogelRefphotE[iabin]; |
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| 78 | G4double E2= StdAerogelRefphotE[iabin+1]; |
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| 79 | |
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| 80 | if(StdAgelRefEnergy > E1 && StdAgelRefEnergy <= E2 && E1 != E2 ){ |
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| 81 | |
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| 82 | //Now interpolate |
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| 83 | G4double r1= StdAerogelRefIndexValue[iabin]; |
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| 84 | G4double r2= StdAerogelRefIndexValue[iabin+1]; |
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| 85 | G4double slp=(r2-r1)/(E2-E1); |
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| 86 | G4double ain= r1-slp*E1; |
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| 87 | refint= slp*StdAgelRefEnergy + ain; |
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| 88 | break; |
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| 89 | } |
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| 90 | |
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| 91 | } |
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| 92 | |
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| 93 | return refint; |
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| 94 | |
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| 95 | } |
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| 96 | void AerogelRefData::ReadStdAerogelRefIndex() { |
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| 97 | |
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| 98 | const char* StdAerogelRefIndFile= AerogelRefIndexFileName.c_str(); |
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| 99 | if( StdAerogelRefIndFile == 0 ){ |
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| 100 | G4cout<<" Aerogel RefIndex Input file missing" |
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| 101 | << " Please provide the correct file name " |
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| 102 | <<G4endl; |
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| 103 | }else { |
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| 104 | |
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| 105 | G4cout<<"Now reading Std Aerogel Ref Index from " |
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| 106 | <<StdAerogelRefIndFile<<G4endl; |
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| 107 | std::ifstream finpga(StdAerogelRefIndFile); |
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| 108 | G4double ephot,rind; |
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| 109 | for (G4int fbin=0; fbin< NumberOfRefIndBins ; fbin++){ |
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| 110 | finpga>>ephot; |
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| 111 | finpga>>rind; |
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| 112 | StdAerogelRefphotE[fbin]=ephot*eV; |
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| 113 | StdAerogelRefIndexValue[fbin]=rind; |
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| 114 | //for test avoid the variation in ref index. SE 18-10-01 |
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| 115 | // StdAerogelRefIndexValue[fbin]= StdAerogelNominalRefractiveIndex; |
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| 116 | |
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| 117 | } |
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| 118 | |
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| 119 | } |
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| 120 | } |
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| 121 | |
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| 122 | std::vector<G4double> AerogelRefData::GetCurAerogelRefIndValueVect (G4int AerogelTnum ) { |
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| 123 | // no test for tdr rich. now put back to TB conditions. |
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| 124 | std::vector<G4double>CAgel(NumberOfRefIndBins); |
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| 125 | // AerogelType Ctype; |
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| 126 | G4double CRn = GetRefnominal( AerogelTnum ); |
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| 127 | for (G4int ib=0; ib < NumberOfRefIndBins; ib++ ){ |
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| 128 | |
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| 129 | CAgel[ib]= StdAerogelRefIndexValue[ib] |
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| 130 | - StdAerogelNominalRefractiveIndex-AerogelRefIndShift[ AerogelTnum] + CRn; |
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| 131 | |
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| 132 | } |
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| 133 | return CAgel; |
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| 134 | } |
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| 135 | |
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| 136 | G4double AerogelRefData:: GetCurAerogelRefIndValue( G4int rbinw , G4int AerogelTnum ){ |
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| 137 | // no test for tdr. now in TB conditions. |
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| 138 | G4double crn= GetRefnominal( AerogelTnum ); |
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| 139 | return StdAerogelRefIndexValue[rbinw] |
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| 140 | - StdAerogelNominalRefractiveIndex-AerogelRefIndShift[ AerogelTnum] +crn; |
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| 141 | // - StdAerogelNominalRefractiveIndex-AerogelRefIndShift[ AerogelTnum] +crn; |
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| 142 | // return StdAerogelRefIndexValue[rbinw]-1.03269+crn; |
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| 143 | } |
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| 144 | |
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| 145 | G4double AerogelRefData::GetRefnominal(G4int AgelTnum ) { |
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| 146 | |
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| 147 | G4double CRnominal = StdAerogelNominalRefractiveIndex; |
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| 148 | if(AgelTnum == 0 ){ |
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| 149 | |
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| 150 | CRnominal= AerogelTypeANominalRefIndex; |
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| 151 | }else if (AgelTnum == 1 ) { |
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| 152 | |
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| 153 | CRnominal= AerogelTypeBNominalRefIndex; |
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| 154 | }else if (AgelTnum == 2 ) { |
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| 155 | |
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| 156 | CRnominal= AerogelTypeCNominalRefIndex; |
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| 157 | }else if (AgelTnum == 3 ) { |
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| 158 | |
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| 159 | CRnominal= AerogelTypeDNominalRefIndex; |
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| 160 | }else if (AgelTnum == 4 ) { |
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| 161 | |
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| 162 | CRnominal= AerogelTypeENominalRefIndex; |
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| 163 | |
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| 164 | } else {G4cout<<"Unknown Aerogel Type "<<G4endl; } |
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| 165 | |
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| 166 | return CRnominal; |
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| 167 | } |
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| 168 | |
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| 169 | AerogelType AerogelRefData::GetAerogelType(G4int AgelTnum ) { |
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| 170 | AerogelType Ctype=AerogelTypeA; |
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| 171 | |
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| 172 | if(AgelTnum == 0 ){ |
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| 173 | Ctype=AerogelTypeA; |
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| 174 | |
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| 175 | }else if (AgelTnum == 1 ) { |
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| 176 | Ctype=AerogelTypeB; |
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| 177 | |
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| 178 | }else if (AgelTnum == 2 ) { |
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| 179 | Ctype=AerogelTypeC; |
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| 180 | |
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| 181 | }else if (AgelTnum == 3 ) { |
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| 182 | Ctype=AerogelTypeD; |
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| 183 | |
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| 184 | }else if (AgelTnum == 4 ) { |
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| 185 | Ctype=AerogelTypeE; |
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| 186 | |
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| 187 | |
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| 188 | } else {G4cout<<"Unknown Aerogel Type "<<G4endl; } |
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| 189 | |
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| 190 | return Ctype; |
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| 191 | } |
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| 192 | |
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| 193 | AerogelRefData::~AerogelRefData(){ ; } |
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| 194 | |
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