[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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[961] | 26 | // $Id: G4hMultipleScattering.cc,v 1.13 2008/10/15 17:53:44 vnivanch Exp $ |
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[1007] | 27 | // GEANT4 tag $Name: geant4-09-02 $ |
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[819] | 28 | // |
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| 29 | // ----------------------------------------------------------------------------- |
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| 30 | // |
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| 31 | // GEANT4 Class file |
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| 32 | // |
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| 33 | // File name: G4hMultipleScattering |
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| 34 | // |
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| 35 | // Author: Laszlo Urban |
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| 36 | // |
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| 37 | // Creation date: 24.10.2006 cloned from G4MultipleScattering |
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| 38 | // |
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| 39 | // Modified: |
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| 40 | // 12-02-07 skin can be changed via UI command (VI) |
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| 41 | // 20.03.07 Remove local parameter skin, set facgeom=0.1(V.Ivanchenko) |
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| 42 | // |
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| 43 | // ----------------------------------------------------------------------------- |
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| 44 | // |
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| 45 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 46 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 47 | |
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| 48 | #include "G4hMultipleScattering.hh" |
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| 49 | #include "G4UrbanMscModel.hh" |
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| 50 | #include "G4UrbanMscModel90.hh" |
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| 51 | #include "G4MscStepLimitType.hh" |
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| 52 | |
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| 53 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 54 | |
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| 55 | using namespace std; |
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| 56 | |
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| 57 | G4hMultipleScattering::G4hMultipleScattering(const G4String& processName) |
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| 58 | : G4VMultipleScattering(processName) |
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| 59 | { |
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[961] | 60 | isInitialized = false; |
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| 61 | isIon = false; |
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[819] | 62 | SetStepLimitType(fMinimal); |
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| 63 | } |
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| 64 | |
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| 65 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 66 | |
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| 67 | G4hMultipleScattering::~G4hMultipleScattering() |
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| 68 | {} |
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| 69 | |
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| 70 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 71 | |
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| 72 | G4bool G4hMultipleScattering::IsApplicable (const G4ParticleDefinition& p) |
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| 73 | { |
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| 74 | return (p.GetPDGCharge() != 0.0 && !p.IsShortLived()); |
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| 75 | } |
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| 76 | |
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| 77 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 78 | |
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| 79 | void G4hMultipleScattering::InitialiseProcess(const G4ParticleDefinition* p) |
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| 80 | { |
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| 81 | // Modification of parameters between runs |
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| 82 | if(isInitialized) { |
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[961] | 83 | if (p->GetParticleType() != "nucleus" && p->GetPDGMass() < GeV) { |
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[819] | 84 | mscUrban->SetStepLimitType(StepLimitType()); |
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| 85 | mscUrban->SetLateralDisplasmentFlag(LateralDisplasmentFlag()); |
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| 86 | mscUrban->SetSkin(Skin()); |
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| 87 | mscUrban->SetRangeFactor(RangeFactor()); |
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| 88 | mscUrban->SetGeomFactor(GeomFactor()); |
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| 89 | } |
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| 90 | return; |
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| 91 | } |
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| 92 | |
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[961] | 93 | // defaults for ions, which cannot be overwritten |
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| 94 | if (p->GetParticleType() == "nucleus" || p->GetPDGMass() > GeV) { |
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| 95 | SetStepLimitType(fMinimal); |
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| 96 | SetLateralDisplasmentFlag(false); |
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| 97 | SetBuildLambdaTable(false); |
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| 98 | if(p->GetParticleType() == "nucleus") isIon = true; |
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| 99 | } |
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| 100 | |
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[819] | 101 | // initialisation of parameters |
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| 102 | G4String part_name = p->GetParticleName(); |
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[961] | 103 | mscUrban = new G4UrbanMscModel90(); |
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| 104 | |
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| 105 | mscUrban->SetStepLimitType(StepLimitType()); |
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[819] | 106 | mscUrban->SetLateralDisplasmentFlag(LateralDisplasmentFlag()); |
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[961] | 107 | mscUrban->SetSkin(Skin()); |
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| 108 | mscUrban->SetRangeFactor(RangeFactor()); |
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| 109 | mscUrban->SetGeomFactor(GeomFactor()); |
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[819] | 110 | |
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| 111 | AddEmModel(1,mscUrban); |
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| 112 | isInitialized = true; |
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| 113 | } |
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| 114 | |
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| 115 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 116 | |
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| 117 | void G4hMultipleScattering::PrintInfo() |
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| 118 | { |
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[961] | 119 | G4cout << " RangeFactor= " << RangeFactor() |
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| 120 | << ", step limit type: " << StepLimitType() |
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| 121 | << ", lateralDisplacement: " << LateralDisplasmentFlag() |
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| 122 | << ", skin= " << Skin() |
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| 123 | // << ", geomFactor= " << GeomFactor() |
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[819] | 124 | << G4endl; |
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| 125 | } |
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| 126 | |
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| 127 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 128 | |
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[961] | 129 | G4double G4hMultipleScattering::AlongStepGetPhysicalInteractionLength( |
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| 130 | const G4Track& track, |
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| 131 | G4double, |
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| 132 | G4double currentMinimalStep, |
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| 133 | G4double& currentSafety, |
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| 134 | G4GPILSelection* selection) |
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| 135 | { |
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| 136 | // get Step limit proposed by the process |
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| 137 | valueGPILSelectionMSC = NotCandidateForSelection; |
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| 138 | |
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| 139 | G4double escaled = track.GetKineticEnergy(); |
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| 140 | if(isIon) escaled *= track.GetDynamicParticle()->GetMass()/proton_mass_c2; |
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| 141 | |
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| 142 | G4double steplength = GetMscContinuousStepLimit(track, |
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| 143 | escaled, |
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| 144 | currentMinimalStep, |
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| 145 | currentSafety); |
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| 146 | // G4cout << "StepLimit= " << steplength << G4endl; |
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| 147 | // set return value for G4GPILSelection |
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| 148 | *selection = valueGPILSelectionMSC; |
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| 149 | return steplength; |
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| 150 | } |
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| 151 | |
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| 152 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 153 | |
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