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Geant4/processes/electromagnetic/xrays/src/G4GammaXTRadiator.cc

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Differences between /processes/electromagnetic/xrays/src/G4GammaXTRadiator.cc (Version 11.3.0) and /processes/electromagnetic/xrays/src/G4GammaXTRadiator.cc (Version 10.0.p2)


  1 //                                                  1 //
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 17 // *                                               17 // *                                                                  *
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 19 // * technical work of the GEANT4 collaboratio     19 // * technical work of the GEANT4 collaboration.                      *
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 24 // *******************************************     24 // ********************************************************************
 25 //                                                 25 //
                                                   >>  26 //
                                                   >>  27 // $Id: G4GammaXTRadiator.cc 68037 2013-03-13 14:15:08Z gcosmo $
                                                   >>  28 //
                                                   >>  29 
                                                   >>  30 #include <complex>
 26                                                    31 
 27 #include "G4GammaXTRadiator.hh"                    32 #include "G4GammaXTRadiator.hh"
                                                   >>  33 #include "Randomize.hh"
 28                                                    34 
 29 #include "G4Gamma.hh"                              35 #include "G4Gamma.hh"
 30                                                    36 
 31 //////////////////////////////////////////////     37 ////////////////////////////////////////////////////////////////////////////
                                                   >>  38 //
 32 // Constructor, destructor                         39 // Constructor, destructor
 33 G4GammaXTRadiator::G4GammaXTRadiator(G4Logical <<  40 
 34                                      G4double  <<  41 G4GammaXTRadiator::G4GammaXTRadiator(G4LogicalVolume* anEnvelope, 
 35                                      G4Materia <<  42              G4double alphaPlate,
                                                   >>  43              G4double alphaGas,
                                                   >>  44                                      G4Material* foilMat,G4Material* gasMat, 
 36                                      G4double      45                                      G4double a, G4double b, G4int n,
 37                                      const G4S <<  46                                      const G4String& processName) :
 38   : G4VXTRenergyLoss(anEnvelope, foilMat, gasM <<  47   G4VXTRenergyLoss(anEnvelope,foilMat,gasMat,a,b,n,processName)
 39 {                                                  48 {
 40   G4cout << "Gamma distributed X-ray TR radiat <<  49   G4cout<<"Gammma distributed X-ray TR radiator model is called"<<G4endl ;
 41                                                    50 
 42   // Build energy and angular integral spectra     51   // Build energy and angular integral spectra of X-ray TR photons from
 43   // a radiator                                    52   // a radiator
 44                                                    53 
 45   fAlphaPlate = alphaPlate;                    <<  54   fAlphaPlate = alphaPlate ;
 46   fAlphaGas   = alphaGas;                      <<  55   fAlphaGas   = alphaGas   ;
 47   G4cout << "fAlphaPlate = " << fAlphaPlate << <<  56   G4cout<<"fAlphaPlate = "<<fAlphaPlate<<" ; fAlphaGas = "<<fAlphaGas<<G4endl ;
 48          << G4endl;                            <<  57 
                                                   >>  58   // BuildTable() ;
 49 }                                                  59 }
 50                                                    60 
 51 //////////////////////////////////////////////     61 ///////////////////////////////////////////////////////////////////////////
 52 G4GammaXTRadiator::~G4GammaXTRadiator() = defa << 
 53                                                    62 
 54 void G4GammaXTRadiator::ProcessDescription(std <<  63 G4GammaXTRadiator::~G4GammaXTRadiator()
 55 {                                                  64 {
 56   out                                          <<  65   ;
 57     << "Rough approximation describing a radia << 
 58        "radiation.\n"                          << 
 59        "Thicknesses of plates and gas gaps are << 
 60        "description.\n";                       << 
 61 }                                                  66 }
 62                                                    67 
                                                   >>  68 
                                                   >>  69 
 63 //////////////////////////////////////////////     70 ///////////////////////////////////////////////////////////////////////////
                                                   >>  71 //
 64 // Rough approximation for radiator interferen     72 // Rough approximation for radiator interference factor for the case of
 65 // fully GamDistr radiator. The plate and gas  <<  73 // fully GamDistr radiator. The plate and gas gap thicknesses are distributed 
 66 // according to exponent. The mean values of t <<  74 // according to exponent. The mean values of the plate and gas gap thicknesses 
 67 // are supposed to be about XTR formation zone <<  75 // are supposed to be about XTR formation zones but much less than 
 68 // mean absorption length of XTR photons in co <<  76 // mean absorption length of XTR photons in coresponding material.
 69 G4double G4GammaXTRadiator::GetStackFactor(G4d <<  77 
 70                                            G4d <<  78 G4double 
                                                   >>  79 G4GammaXTRadiator::GetStackFactor( G4double energy, 
                                                   >>  80                                          G4double gamma, G4double varAngle )
 71 {                                                  81 {
 72   G4double result, Za, Zb, Ma, Mb;             <<  82   G4double result, Za, Zb, Ma, Mb ;
                                                   >>  83   
                                                   >>  84   Za = GetPlateFormationZone(energy,gamma,varAngle) ;
                                                   >>  85   Zb = GetGasFormationZone(energy,gamma,varAngle) ;
 73                                                    86 
 74   Za = GetPlateFormationZone(energy, gamma, va <<  87   Ma = GetPlateLinearPhotoAbs(energy) ;
 75   Zb = GetGasFormationZone(energy, gamma, varA <<  88   Mb = GetGasLinearPhotoAbs(energy) ;
 76                                                    89 
 77   Ma = GetPlateLinearPhotoAbs(energy);         << 
 78   Mb = GetGasLinearPhotoAbs(energy);           << 
 79                                                    90 
 80   G4complex Ca(1.0 + 0.5 * fPlateThick * Ma /  <<  91   G4complex Ca(1.0+0.5*fPlateThick*Ma/fAlphaPlate,fPlateThick/Za/fAlphaPlate) ; 
 81                fPlateThick / Za / fAlphaPlate) <<  92   G4complex Cb(1.0+0.5*fGasThick*Mb/fAlphaGas,fGasThick/Zb/fAlphaGas) ; 
 82   G4complex Cb(1.0 + 0.5 * fGasThick * Mb / fA << 
 83                fGasThick / Zb / fAlphaGas);    << 
 84                                                    93 
 85   G4complex Ha = std::pow(Ca, -fAlphaPlate);   <<  94   G4complex Ha = std::pow(Ca,-fAlphaPlate) ;  
 86   G4complex Hb = std::pow(Cb, -fAlphaGas);     <<  95   G4complex Hb = std::pow(Cb,-fAlphaGas) ;
 87   G4complex H  = Ha * Hb;                      <<  96   G4complex H  = Ha*Hb ;
 88                                                    97 
 89   G4complex F1 = (1.0 - Ha) * (1.0 - Hb) / (1. <<  98   G4complex F1 =   (1.0 - Ha)*(1.0 - Hb )/(1.0 - H)
                                                   >>  99                  * G4double(fPlateNumber) ;
 90                                                   100 
 91   G4complex F2 = (1.0 - Ha) * (1.0 - Ha) * Hb  << 101   G4complex F2 =   (1.0-Ha)*(1.0-Ha)*Hb/(1.0-H)/(1.0-H)
 92                  (1.0 - std::pow(H, fPlateNumb << 102                  * (1.0 - std::pow(H,fPlateNumber)) ;
 93                                                   103 
 94   G4complex R = (F1 + F2) * OneInterfaceXTRdEd << 104   G4complex R  = (F1 + F2)*OneInterfaceXTRdEdx(energy,gamma,varAngle) ;
 95                                                   105 
 96   result = 2.0 * std::real(R);                 << 106   result       = 2.0*std::real(R) ;
 97                                                << 107   
 98   return result;                               << 108   return      result ;
 99 }                                                 109 }
                                                   >> 110 
                                                   >> 111 
                                                   >> 112 //
                                                   >> 113 //
                                                   >> 114 ////////////////////////////////////////////////////////////////////////////
                                                   >> 115 
                                                   >> 116 
                                                   >> 117 
                                                   >> 118 
                                                   >> 119 
                                                   >> 120 
                                                   >> 121 
                                                   >> 122 
100                                                   123