[819] | 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 | // |
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[961] | 27 | // $Id: G4Scintillation.cc,v 1.30 2008/10/22 01:19:11 gum Exp $ |
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[1007] | 28 | // GEANT4 tag $Name: geant4-09-02 $ |
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[819] | 29 | // |
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| 30 | //////////////////////////////////////////////////////////////////////// |
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| 31 | // Scintillation Light Class Implementation |
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| 32 | //////////////////////////////////////////////////////////////////////// |
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| 33 | // |
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| 34 | // File: G4Scintillation.cc |
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| 35 | // Description: RestDiscrete Process - Generation of Scintillation Photons |
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| 36 | // Version: 1.0 |
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| 37 | // Created: 1998-11-07 |
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| 38 | // Author: Peter Gumplinger |
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| 39 | // Updated: 2005-08-17 by Peter Gumplinger |
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| 40 | // > change variable name MeanNumPhotons -> MeanNumberOfPhotons |
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| 41 | // 2005-07-28 by Peter Gumplinger |
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| 42 | // > add G4ProcessType to constructor |
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| 43 | // 2004-08-05 by Peter Gumplinger |
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| 44 | // > changed StronglyForced back to Forced in GetMeanLifeTime |
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| 45 | // 2002-11-21 by Peter Gumplinger |
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| 46 | // > change to use G4Poisson for small MeanNumberOfPhotons |
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| 47 | // 2002-11-07 by Peter Gumplinger |
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| 48 | // > now allow for fast and slow scintillation component |
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| 49 | // 2002-11-05 by Peter Gumplinger |
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| 50 | // > now use scintillation constants from G4Material |
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| 51 | // 2002-05-09 by Peter Gumplinger |
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| 52 | // > use only the PostStepPoint location for the origin of |
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| 53 | // scintillation photons when energy is lost to the medium |
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| 54 | // by a neutral particle |
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| 55 | // 2000-09-18 by Peter Gumplinger |
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| 56 | // > change: aSecondaryPosition=x0+rand*aStep.GetDeltaPosition(); |
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| 57 | // aSecondaryTrack->SetTouchable(0); |
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| 58 | // 2001-09-17, migration of Materials to pure STL (mma) |
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| 59 | // 2003-06-03, V.Ivanchenko fix compilation warnings |
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| 60 | // |
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| 61 | // mail: gum@triumf.ca |
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| 62 | // |
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| 63 | //////////////////////////////////////////////////////////////////////// |
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| 64 | |
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| 65 | #include "G4ios.hh" |
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[961] | 66 | #include "G4EmProcessSubType.hh" |
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| 67 | |
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[819] | 68 | #include "G4Scintillation.hh" |
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| 69 | |
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| 70 | using namespace std; |
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| 71 | |
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| 72 | ///////////////////////// |
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| 73 | // Class Implementation |
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| 74 | ///////////////////////// |
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| 75 | |
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| 76 | ////////////// |
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| 77 | // Operators |
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| 78 | ////////////// |
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| 79 | |
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| 80 | // G4Scintillation::operator=(const G4Scintillation &right) |
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| 81 | // { |
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| 82 | // } |
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| 83 | |
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| 84 | ///////////////// |
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| 85 | // Constructors |
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| 86 | ///////////////// |
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| 87 | |
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| 88 | G4Scintillation::G4Scintillation(const G4String& processName, |
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| 89 | G4ProcessType type) |
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| 90 | : G4VRestDiscreteProcess(processName, type) |
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| 91 | { |
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[961] | 92 | SetProcessSubType(fScintillation); |
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| 93 | |
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[819] | 94 | fTrackSecondariesFirst = false; |
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| 95 | |
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| 96 | YieldFactor = 1.0; |
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| 97 | ExcitationRatio = 1.0; |
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| 98 | |
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| 99 | theFastIntegralTable = NULL; |
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| 100 | theSlowIntegralTable = NULL; |
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| 101 | |
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| 102 | if (verboseLevel>0) { |
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| 103 | G4cout << GetProcessName() << " is created " << G4endl; |
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| 104 | } |
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| 105 | |
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| 106 | BuildThePhysicsTable(); |
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[961] | 107 | |
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| 108 | emSaturation = NULL; |
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[819] | 109 | } |
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| 110 | |
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| 111 | //////////////// |
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| 112 | // Destructors |
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| 113 | //////////////// |
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| 114 | |
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| 115 | G4Scintillation::~G4Scintillation() |
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| 116 | { |
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| 117 | if (theFastIntegralTable != NULL) { |
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| 118 | theFastIntegralTable->clearAndDestroy(); |
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| 119 | delete theFastIntegralTable; |
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| 120 | } |
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| 121 | if (theSlowIntegralTable != NULL) { |
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| 122 | theSlowIntegralTable->clearAndDestroy(); |
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| 123 | delete theSlowIntegralTable; |
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| 124 | } |
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| 125 | } |
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| 126 | |
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| 127 | //////////// |
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| 128 | // Methods |
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| 129 | //////////// |
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| 130 | |
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| 131 | // AtRestDoIt |
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| 132 | // ---------- |
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| 133 | // |
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| 134 | G4VParticleChange* |
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| 135 | G4Scintillation::AtRestDoIt(const G4Track& aTrack, const G4Step& aStep) |
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| 136 | |
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| 137 | // This routine simply calls the equivalent PostStepDoIt since all the |
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| 138 | // necessary information resides in aStep.GetTotalEnergyDeposit() |
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| 139 | |
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| 140 | { |
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| 141 | return G4Scintillation::PostStepDoIt(aTrack, aStep); |
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| 142 | } |
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| 143 | |
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| 144 | // PostStepDoIt |
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| 145 | // ------------- |
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| 146 | // |
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| 147 | G4VParticleChange* |
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| 148 | G4Scintillation::PostStepDoIt(const G4Track& aTrack, const G4Step& aStep) |
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| 149 | |
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| 150 | // This routine is called for each tracking step of a charged particle |
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| 151 | // in a scintillator. A Poisson/Gauss-distributed number of photons is |
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| 152 | // generated according to the scintillation yield formula, distributed |
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| 153 | // evenly along the track segment and uniformly into 4pi. |
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| 154 | |
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| 155 | { |
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| 156 | aParticleChange.Initialize(aTrack); |
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| 157 | |
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| 158 | const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle(); |
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| 159 | const G4Material* aMaterial = aTrack.GetMaterial(); |
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| 160 | |
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| 161 | G4StepPoint* pPreStepPoint = aStep.GetPreStepPoint(); |
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| 162 | G4StepPoint* pPostStepPoint = aStep.GetPostStepPoint(); |
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| 163 | |
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| 164 | G4ThreeVector x0 = pPreStepPoint->GetPosition(); |
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| 165 | G4ThreeVector p0 = aStep.GetDeltaPosition().unit(); |
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| 166 | G4double t0 = pPreStepPoint->GetGlobalTime(); |
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| 167 | |
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| 168 | G4double TotalEnergyDeposit = aStep.GetTotalEnergyDeposit(); |
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| 169 | |
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| 170 | G4MaterialPropertiesTable* aMaterialPropertiesTable = |
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| 171 | aMaterial->GetMaterialPropertiesTable(); |
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| 172 | if (!aMaterialPropertiesTable) |
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| 173 | return G4VRestDiscreteProcess::PostStepDoIt(aTrack, aStep); |
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| 174 | |
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| 175 | const G4MaterialPropertyVector* Fast_Intensity = |
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| 176 | aMaterialPropertiesTable->GetProperty("FASTCOMPONENT"); |
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| 177 | const G4MaterialPropertyVector* Slow_Intensity = |
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| 178 | aMaterialPropertiesTable->GetProperty("SLOWCOMPONENT"); |
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| 179 | |
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| 180 | if (!Fast_Intensity && !Slow_Intensity ) |
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| 181 | return G4VRestDiscreteProcess::PostStepDoIt(aTrack, aStep); |
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| 182 | |
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| 183 | G4int nscnt = 1; |
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| 184 | if (Fast_Intensity && Slow_Intensity) nscnt = 2; |
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| 185 | |
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| 186 | G4double ScintillationYield = aMaterialPropertiesTable-> |
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| 187 | GetConstProperty("SCINTILLATIONYIELD"); |
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[961] | 188 | ScintillationYield *= YieldFactor; |
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| 189 | |
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[819] | 190 | G4double ResolutionScale = aMaterialPropertiesTable-> |
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| 191 | GetConstProperty("RESOLUTIONSCALE"); |
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| 192 | |
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[961] | 193 | // Birks law saturation: |
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[819] | 194 | |
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[961] | 195 | G4double constBirks = 0.0; |
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[819] | 196 | |
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[961] | 197 | constBirks = aMaterial->GetIonisation()->GetBirksConstant(); |
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| 198 | |
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| 199 | G4double MeanNumberOfPhotons; |
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| 200 | |
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| 201 | if (emSaturation) { |
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| 202 | MeanNumberOfPhotons = ScintillationYield* |
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| 203 | (emSaturation->VisibleEnergyDeposition(&aStep)); |
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| 204 | } else { |
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| 205 | MeanNumberOfPhotons = ScintillationYield*TotalEnergyDeposit; |
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| 206 | } |
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| 207 | |
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[819] | 208 | G4int NumPhotons; |
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[961] | 209 | |
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| 210 | if (MeanNumberOfPhotons > 10.) |
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| 211 | { |
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[819] | 212 | G4double sigma = ResolutionScale * sqrt(MeanNumberOfPhotons); |
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| 213 | NumPhotons = G4int(G4RandGauss::shoot(MeanNumberOfPhotons,sigma)+0.5); |
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| 214 | } |
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[961] | 215 | else |
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| 216 | { |
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[819] | 217 | NumPhotons = G4int(G4Poisson(MeanNumberOfPhotons)); |
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| 218 | } |
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| 219 | |
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[961] | 220 | if (NumPhotons <= 0) |
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| 221 | { |
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[819] | 222 | // return unchanged particle and no secondaries |
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| 223 | |
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| 224 | aParticleChange.SetNumberOfSecondaries(0); |
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| 225 | |
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| 226 | return G4VRestDiscreteProcess::PostStepDoIt(aTrack, aStep); |
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| 227 | } |
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| 228 | |
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| 229 | //////////////////////////////////////////////////////////////// |
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| 230 | |
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| 231 | aParticleChange.SetNumberOfSecondaries(NumPhotons); |
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| 232 | |
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| 233 | if (fTrackSecondariesFirst) { |
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| 234 | if (aTrack.GetTrackStatus() == fAlive ) |
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| 235 | aParticleChange.ProposeTrackStatus(fSuspend); |
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| 236 | } |
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| 237 | |
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| 238 | //////////////////////////////////////////////////////////////// |
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| 239 | |
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| 240 | G4int materialIndex = aMaterial->GetIndex(); |
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| 241 | |
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| 242 | // Retrieve the Scintillation Integral for this material |
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| 243 | // new G4PhysicsOrderedFreeVector allocated to hold CII's |
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| 244 | |
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| 245 | G4int Num = NumPhotons; |
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| 246 | |
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| 247 | for (G4int scnt = 1; scnt <= nscnt; scnt++) { |
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| 248 | |
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| 249 | G4double ScintillationTime = 0.*ns; |
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| 250 | G4PhysicsOrderedFreeVector* ScintillationIntegral = NULL; |
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| 251 | |
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| 252 | if (scnt == 1) { |
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| 253 | if (nscnt == 1) { |
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| 254 | if(Fast_Intensity){ |
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| 255 | ScintillationTime = aMaterialPropertiesTable-> |
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| 256 | GetConstProperty("FASTTIMECONSTANT"); |
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| 257 | ScintillationIntegral = |
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| 258 | (G4PhysicsOrderedFreeVector*)((*theFastIntegralTable)(materialIndex)); |
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| 259 | } |
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| 260 | if(Slow_Intensity){ |
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| 261 | ScintillationTime = aMaterialPropertiesTable-> |
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| 262 | GetConstProperty("SLOWTIMECONSTANT"); |
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| 263 | ScintillationIntegral = |
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| 264 | (G4PhysicsOrderedFreeVector*)((*theSlowIntegralTable)(materialIndex)); |
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| 265 | } |
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| 266 | } |
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| 267 | else { |
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| 268 | G4double YieldRatio = aMaterialPropertiesTable-> |
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| 269 | GetConstProperty("YIELDRATIO"); |
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| 270 | if ( ExcitationRatio == 1.0 ) { |
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| 271 | Num = G4int (min(YieldRatio,1.0) * NumPhotons); |
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| 272 | } |
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| 273 | else { |
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| 274 | Num = G4int (min(ExcitationRatio,1.0) * NumPhotons); |
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| 275 | } |
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| 276 | ScintillationTime = aMaterialPropertiesTable-> |
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| 277 | GetConstProperty("FASTTIMECONSTANT"); |
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| 278 | ScintillationIntegral = |
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| 279 | (G4PhysicsOrderedFreeVector*)((*theFastIntegralTable)(materialIndex)); |
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| 280 | } |
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| 281 | } |
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| 282 | else { |
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| 283 | Num = NumPhotons - Num; |
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| 284 | ScintillationTime = aMaterialPropertiesTable-> |
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| 285 | GetConstProperty("SLOWTIMECONSTANT"); |
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| 286 | ScintillationIntegral = |
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| 287 | (G4PhysicsOrderedFreeVector*)((*theSlowIntegralTable)(materialIndex)); |
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| 288 | } |
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| 289 | |
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| 290 | if (!ScintillationIntegral) continue; |
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| 291 | |
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| 292 | // Max Scintillation Integral |
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| 293 | |
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| 294 | G4double CIImax = ScintillationIntegral->GetMaxValue(); |
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| 295 | |
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| 296 | for (G4int i = 0; i < Num; i++) { |
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| 297 | |
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[961] | 298 | // Determine photon energy |
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[819] | 299 | |
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| 300 | G4double CIIvalue = G4UniformRand()*CIImax; |
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[961] | 301 | G4double sampledEnergy = |
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[819] | 302 | ScintillationIntegral->GetEnergy(CIIvalue); |
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| 303 | |
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| 304 | if (verboseLevel>1) { |
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[961] | 305 | G4cout << "sampledEnergy = " << sampledEnergy << G4endl; |
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[819] | 306 | G4cout << "CIIvalue = " << CIIvalue << G4endl; |
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| 307 | } |
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| 308 | |
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| 309 | // Generate random photon direction |
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| 310 | |
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| 311 | G4double cost = 1. - 2.*G4UniformRand(); |
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| 312 | G4double sint = sqrt((1.-cost)*(1.+cost)); |
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| 313 | |
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| 314 | G4double phi = twopi*G4UniformRand(); |
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| 315 | G4double sinp = sin(phi); |
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| 316 | G4double cosp = cos(phi); |
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| 317 | |
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| 318 | G4double px = sint*cosp; |
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| 319 | G4double py = sint*sinp; |
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| 320 | G4double pz = cost; |
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| 321 | |
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| 322 | // Create photon momentum direction vector |
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| 323 | |
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| 324 | G4ParticleMomentum photonMomentum(px, py, pz); |
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| 325 | |
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| 326 | // Determine polarization of new photon |
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| 327 | |
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| 328 | G4double sx = cost*cosp; |
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| 329 | G4double sy = cost*sinp; |
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| 330 | G4double sz = -sint; |
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| 331 | |
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| 332 | G4ThreeVector photonPolarization(sx, sy, sz); |
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| 333 | |
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| 334 | G4ThreeVector perp = photonMomentum.cross(photonPolarization); |
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| 335 | |
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| 336 | phi = twopi*G4UniformRand(); |
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| 337 | sinp = sin(phi); |
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| 338 | cosp = cos(phi); |
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| 339 | |
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| 340 | photonPolarization = cosp * photonPolarization + sinp * perp; |
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| 341 | |
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| 342 | photonPolarization = photonPolarization.unit(); |
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| 343 | |
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| 344 | // Generate a new photon: |
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| 345 | |
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| 346 | G4DynamicParticle* aScintillationPhoton = |
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| 347 | new G4DynamicParticle(G4OpticalPhoton::OpticalPhoton(), |
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| 348 | photonMomentum); |
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| 349 | aScintillationPhoton->SetPolarization |
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| 350 | (photonPolarization.x(), |
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| 351 | photonPolarization.y(), |
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| 352 | photonPolarization.z()); |
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| 353 | |
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[961] | 354 | aScintillationPhoton->SetKineticEnergy(sampledEnergy); |
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[819] | 355 | |
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| 356 | // Generate new G4Track object: |
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| 357 | |
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| 358 | G4double rand; |
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| 359 | |
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| 360 | if (aParticle->GetDefinition()->GetPDGCharge() != 0) { |
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| 361 | rand = G4UniformRand(); |
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| 362 | } else { |
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| 363 | rand = 1.0; |
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| 364 | } |
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| 365 | |
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| 366 | G4double delta = rand * aStep.GetStepLength(); |
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| 367 | G4double deltaTime = delta / |
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| 368 | ((pPreStepPoint->GetVelocity()+ |
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| 369 | pPostStepPoint->GetVelocity())/2.); |
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| 370 | |
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| 371 | deltaTime = deltaTime - |
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| 372 | ScintillationTime * log( G4UniformRand() ); |
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| 373 | |
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| 374 | G4double aSecondaryTime = t0 + deltaTime; |
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| 375 | |
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| 376 | G4ThreeVector aSecondaryPosition = |
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| 377 | x0 + rand * aStep.GetDeltaPosition(); |
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| 378 | |
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| 379 | G4Track* aSecondaryTrack = |
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| 380 | new G4Track(aScintillationPhoton,aSecondaryTime,aSecondaryPosition); |
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| 381 | |
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[961] | 382 | aSecondaryTrack->SetTouchableHandle( |
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| 383 | aStep.GetPreStepPoint()->GetTouchableHandle()); |
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| 384 | // aSecondaryTrack->SetTouchableHandle((G4VTouchable*)0); |
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[819] | 385 | |
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| 386 | aSecondaryTrack->SetParentID(aTrack.GetTrackID()); |
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| 387 | |
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| 388 | aParticleChange.AddSecondary(aSecondaryTrack); |
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| 389 | |
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| 390 | } |
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| 391 | } |
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| 392 | |
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| 393 | if (verboseLevel>0) { |
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| 394 | G4cout << "\n Exiting from G4Scintillation::DoIt -- NumberOfSecondaries = " |
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| 395 | << aParticleChange.GetNumberOfSecondaries() << G4endl; |
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| 396 | } |
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| 397 | |
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| 398 | return G4VRestDiscreteProcess::PostStepDoIt(aTrack, aStep); |
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| 399 | } |
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| 400 | |
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| 401 | // BuildThePhysicsTable for the scintillation process |
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| 402 | // -------------------------------------------------- |
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| 403 | // |
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| 404 | |
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| 405 | void G4Scintillation::BuildThePhysicsTable() |
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| 406 | { |
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| 407 | if (theFastIntegralTable && theSlowIntegralTable) return; |
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| 408 | |
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| 409 | const G4MaterialTable* theMaterialTable = |
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| 410 | G4Material::GetMaterialTable(); |
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| 411 | G4int numOfMaterials = G4Material::GetNumberOfMaterials(); |
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| 412 | |
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| 413 | // create new physics table |
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| 414 | |
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| 415 | if(!theFastIntegralTable)theFastIntegralTable = new G4PhysicsTable(numOfMaterials); |
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| 416 | if(!theSlowIntegralTable)theSlowIntegralTable = new G4PhysicsTable(numOfMaterials); |
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| 417 | |
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| 418 | // loop for materials |
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| 419 | |
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| 420 | for (G4int i=0 ; i < numOfMaterials; i++) |
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| 421 | { |
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| 422 | G4PhysicsOrderedFreeVector* aPhysicsOrderedFreeVector = |
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| 423 | new G4PhysicsOrderedFreeVector(); |
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| 424 | G4PhysicsOrderedFreeVector* bPhysicsOrderedFreeVector = |
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| 425 | new G4PhysicsOrderedFreeVector(); |
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| 426 | |
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| 427 | // Retrieve vector of scintillation wavelength intensity for |
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| 428 | // the material from the material's optical properties table. |
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| 429 | |
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| 430 | G4Material* aMaterial = (*theMaterialTable)[i]; |
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| 431 | |
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| 432 | G4MaterialPropertiesTable* aMaterialPropertiesTable = |
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| 433 | aMaterial->GetMaterialPropertiesTable(); |
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| 434 | |
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| 435 | if (aMaterialPropertiesTable) { |
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| 436 | |
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| 437 | G4MaterialPropertyVector* theFastLightVector = |
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| 438 | aMaterialPropertiesTable->GetProperty("FASTCOMPONENT"); |
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| 439 | |
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| 440 | if (theFastLightVector) { |
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| 441 | |
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| 442 | // Retrieve the first intensity point in vector |
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[961] | 443 | // of (photon energy, intensity) pairs |
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[819] | 444 | |
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| 445 | theFastLightVector->ResetIterator(); |
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| 446 | ++(*theFastLightVector); // advance to 1st entry |
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| 447 | |
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| 448 | G4double currentIN = theFastLightVector-> |
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| 449 | GetProperty(); |
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| 450 | |
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| 451 | if (currentIN >= 0.0) { |
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| 452 | |
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[961] | 453 | // Create first (photon energy, Scintillation |
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[819] | 454 | // Integral pair |
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| 455 | |
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| 456 | G4double currentPM = theFastLightVector-> |
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[961] | 457 | GetPhotonEnergy(); |
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[819] | 458 | |
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| 459 | G4double currentCII = 0.0; |
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| 460 | |
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| 461 | aPhysicsOrderedFreeVector-> |
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| 462 | InsertValues(currentPM , currentCII); |
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| 463 | |
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| 464 | // Set previous values to current ones prior to loop |
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| 465 | |
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| 466 | G4double prevPM = currentPM; |
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| 467 | G4double prevCII = currentCII; |
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| 468 | G4double prevIN = currentIN; |
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| 469 | |
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[961] | 470 | // loop over all (photon energy, intensity) |
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[819] | 471 | // pairs stored for this material |
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| 472 | |
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| 473 | while(++(*theFastLightVector)) |
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| 474 | { |
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| 475 | currentPM = theFastLightVector-> |
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[961] | 476 | GetPhotonEnergy(); |
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[819] | 477 | |
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| 478 | currentIN=theFastLightVector-> |
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| 479 | GetProperty(); |
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| 480 | |
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| 481 | currentCII = 0.5 * (prevIN + currentIN); |
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| 482 | |
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| 483 | currentCII = prevCII + |
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| 484 | (currentPM - prevPM) * currentCII; |
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| 485 | |
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| 486 | aPhysicsOrderedFreeVector-> |
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| 487 | InsertValues(currentPM, currentCII); |
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| 488 | |
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| 489 | prevPM = currentPM; |
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| 490 | prevCII = currentCII; |
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| 491 | prevIN = currentIN; |
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| 492 | } |
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| 493 | |
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| 494 | } |
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| 495 | } |
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| 496 | |
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| 497 | G4MaterialPropertyVector* theSlowLightVector = |
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| 498 | aMaterialPropertiesTable->GetProperty("SLOWCOMPONENT"); |
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| 499 | |
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| 500 | if (theSlowLightVector) { |
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| 501 | |
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| 502 | // Retrieve the first intensity point in vector |
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[961] | 503 | // of (photon energy, intensity) pairs |
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[819] | 504 | |
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| 505 | theSlowLightVector->ResetIterator(); |
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| 506 | ++(*theSlowLightVector); // advance to 1st entry |
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| 507 | |
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| 508 | G4double currentIN = theSlowLightVector-> |
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| 509 | GetProperty(); |
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| 510 | |
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| 511 | if (currentIN >= 0.0) { |
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| 512 | |
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[961] | 513 | // Create first (photon energy, Scintillation |
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[819] | 514 | // Integral pair |
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| 515 | |
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| 516 | G4double currentPM = theSlowLightVector-> |
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[961] | 517 | GetPhotonEnergy(); |
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[819] | 518 | |
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| 519 | G4double currentCII = 0.0; |
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| 520 | |
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| 521 | bPhysicsOrderedFreeVector-> |
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| 522 | InsertValues(currentPM , currentCII); |
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| 523 | |
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| 524 | // Set previous values to current ones prior to loop |
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| 525 | |
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| 526 | G4double prevPM = currentPM; |
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| 527 | G4double prevCII = currentCII; |
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| 528 | G4double prevIN = currentIN; |
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| 529 | |
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[961] | 530 | // loop over all (photon energy, intensity) |
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[819] | 531 | // pairs stored for this material |
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| 532 | |
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| 533 | while(++(*theSlowLightVector)) |
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| 534 | { |
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| 535 | currentPM = theSlowLightVector-> |
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[961] | 536 | GetPhotonEnergy(); |
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[819] | 537 | |
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| 538 | currentIN=theSlowLightVector-> |
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| 539 | GetProperty(); |
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| 540 | |
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| 541 | currentCII = 0.5 * (prevIN + currentIN); |
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| 542 | |
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| 543 | currentCII = prevCII + |
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| 544 | (currentPM - prevPM) * currentCII; |
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| 545 | |
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| 546 | bPhysicsOrderedFreeVector-> |
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| 547 | InsertValues(currentPM, currentCII); |
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| 548 | |
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| 549 | prevPM = currentPM; |
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| 550 | prevCII = currentCII; |
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| 551 | prevIN = currentIN; |
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| 552 | } |
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| 553 | |
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| 554 | } |
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| 555 | } |
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| 556 | } |
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| 557 | |
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| 558 | // The scintillation integral(s) for a given material |
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| 559 | // will be inserted in the table(s) according to the |
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| 560 | // position of the material in the material table. |
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| 561 | |
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| 562 | theFastIntegralTable->insertAt(i,aPhysicsOrderedFreeVector); |
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| 563 | theSlowIntegralTable->insertAt(i,bPhysicsOrderedFreeVector); |
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| 564 | |
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| 565 | } |
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| 566 | } |
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| 567 | |
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| 568 | // GetMeanFreePath |
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| 569 | // --------------- |
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| 570 | // |
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| 571 | |
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| 572 | G4double G4Scintillation::GetMeanFreePath(const G4Track&, |
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| 573 | G4double , |
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| 574 | G4ForceCondition* condition) |
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| 575 | { |
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| 576 | *condition = StronglyForced; |
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| 577 | |
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| 578 | return DBL_MAX; |
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| 579 | |
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| 580 | } |
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| 581 | |
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| 582 | // GetMeanLifeTime |
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| 583 | // --------------- |
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| 584 | // |
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| 585 | |
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| 586 | G4double G4Scintillation::GetMeanLifeTime(const G4Track&, |
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| 587 | G4ForceCondition* condition) |
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| 588 | { |
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| 589 | *condition = Forced; |
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| 590 | |
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| 591 | return DBL_MAX; |
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| 592 | |
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| 593 | } |
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