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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // $Id: G4MuMultipleScattering.cc,v 1.12 2008/10/16 13:37:04 vnivanch Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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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: G4MuMultipleScattering |
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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 "G4MuMultipleScattering.hh" |
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49 | #include "G4WentzelVIModel.hh" |
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50 | #include "G4MscStepLimitType.hh" |
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51 | |
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52 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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53 | |
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54 | using namespace std; |
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55 | |
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56 | G4MuMultipleScattering::G4MuMultipleScattering(G4double tet, |
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57 | const G4String& processName) |
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58 | : G4VMultipleScattering(processName), thetaLimit(tet) |
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59 | { |
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60 | dtrl = 0.05; |
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61 | samplez = false ; |
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62 | isInitialized = false; |
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63 | SetRangeFactor(0.2); |
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64 | SetLateralDisplasmentFlag(true); |
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65 | } |
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66 | |
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67 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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68 | |
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69 | G4MuMultipleScattering::~G4MuMultipleScattering() |
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70 | {} |
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71 | |
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72 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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73 | |
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74 | G4bool G4MuMultipleScattering::IsApplicable (const G4ParticleDefinition& p) |
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75 | { |
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76 | return (p.GetPDGCharge() != 0.0 && !p.IsShortLived()); |
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77 | } |
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78 | |
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79 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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80 | |
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81 | void G4MuMultipleScattering::InitialiseProcess(const G4ParticleDefinition* p) |
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82 | { |
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83 | // Modification of parameters between runs |
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84 | if(isInitialized) { |
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85 | |
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86 | if (p->GetParticleType() != "nucleus" && p->GetPDGMass() < GeV) { |
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87 | mscModel->SetStepLimitType(StepLimitType()); |
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88 | mscModel->SetLateralDisplasmentFlag(LateralDisplasmentFlag()); |
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89 | mscModel->SetRangeFactor(RangeFactor()); |
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90 | } |
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91 | mscModel->SetPolarAngleLimit(PolarAngleLimit()); |
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92 | return; |
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93 | } |
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94 | |
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95 | if (p->GetParticleType() == "nucleus" || p->GetPDGMass() > GeV) { |
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96 | SetLateralDisplasmentFlag(false); |
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97 | SetBuildLambdaTable(false); |
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98 | } |
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99 | |
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100 | // initialisation of the model |
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101 | |
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102 | mscModel = new G4WentzelVIModel(); |
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103 | mscModel->SetStepLimitType(StepLimitType()); |
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104 | mscModel->SetLateralDisplasmentFlag(LateralDisplasmentFlag()); |
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105 | mscModel->SetRangeFactor(RangeFactor()); |
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106 | mscModel->SetPolarAngleLimit(PolarAngleLimit()); |
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107 | mscModel->SetLowEnergyLimit(MinKinEnergy()); |
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108 | mscModel->SetHighEnergyLimit(MaxKinEnergy()); |
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109 | |
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110 | AddEmModel(1,mscModel); |
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111 | isInitialized = true; |
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112 | } |
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113 | |
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114 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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115 | |
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116 | void G4MuMultipleScattering::PrintInfo() |
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117 | { |
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118 | G4cout << " RangeFactor= " << RangeFactor() |
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119 | << ", step limit type: " << StepLimitType() |
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120 | << ", lateralDisplacement: " << LateralDisplasmentFlag() |
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121 | << G4endl; |
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122 | } |
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123 | |
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124 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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125 | |
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