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26 //
27 /// \file Par02FastSimModelEMCal.cc
28 /// \brief Implementation of the Par02FastSimModelEMCal class
29
30 #include "Par02FastSimModelEMCal.hh"
31
32 #include "Par02EventInformation.hh"
33 #include "Par02Output.hh"
34 #include "Par02PrimaryParticleInformation.hh"
35 #include "Par02Smearer.hh"
36
37 #include "G4AnalysisManager.hh"
38 #include "G4Electron.hh"
39 #include "G4Event.hh"
40 #include "G4Gamma.hh"
41 #include "G4Positron.hh"
42 #include "G4RunManager.hh"
43 #include "G4SystemOfUnits.hh"
44 #include "G4Track.hh"
45 #include "Randomize.hh"
46
47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
48
49 Par02FastSimModelEMCal::Par02FastSimModelEMCal(G4String aModelName, G4Region* aEnvelope,
50 Par02DetectorParametrisation::Parametrisation aType)
51 : G4VFastSimulationModel(aModelName, aEnvelope),
52 fCalculateParametrisation(),
53 fParametrisation(aType)
54 {}
55
56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57
58 Par02FastSimModelEMCal::Par02FastSimModelEMCal(G4String aModelName, G4Region* aEnvelope)
59 : G4VFastSimulationModel(aModelName, aEnvelope),
60 fCalculateParametrisation(),
61 fParametrisation(Par02DetectorParametrisation::eCMS)
62 {}
63
64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65
66 Par02FastSimModelEMCal::Par02FastSimModelEMCal(G4String aModelName)
67 : G4VFastSimulationModel(aModelName),
68 fCalculateParametrisation(),
69 fParametrisation(Par02DetectorParametrisation::eCMS)
70 {}
71
72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
73
74 Par02FastSimModelEMCal::~Par02FastSimModelEMCal() = default;
75
76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
77
78 G4bool Par02FastSimModelEMCal::IsApplicable(const G4ParticleDefinition& aParticleType)
79 {
80 // Applicable for electrons, positrons, and gammas
81 return &aParticleType == G4Electron::Definition() || &aParticleType == G4Positron::Definition()
82 || &aParticleType == G4Gamma::Definition();
83 }
84
85 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
86
87 G4bool Par02FastSimModelEMCal::ModelTrigger(const G4FastTrack& /*aFastTrack*/)
88 {
89 return true; // No kinematical restrictions to apply the parametrisation
90 }
91
92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
93
94 void Par02FastSimModelEMCal::DoIt(const G4FastTrack& aFastTrack, G4FastStep& aFastStep)
95 {
96 // G4cout << " ________EMCal model triggered _________" << G4endl;
97
98 // Kill the parameterised particle at the entrance of the electromagnetic calorimeter
99 aFastStep.KillPrimaryTrack();
100 aFastStep.ProposePrimaryTrackPathLength(0.0);
101 G4double Edep = aFastTrack.GetPrimaryTrack()->GetKineticEnergy();
102
103 // Consider only primary tracks (do nothing else for secondary e-, e+, gammas)
104 G4ThreeVector Pos = aFastTrack.GetPrimaryTrack()->GetPosition();
105 if (!aFastTrack.GetPrimaryTrack()->GetParentID()) {
106 auto info = (Par02EventInformation*)G4EventManager::GetEventManager()->GetUserInformation();
107 if (info->GetDoSmearing()) {
108 // Smearing according to the electromagnetic calorimeter resolution
109 G4ThreeVector Porg = aFastTrack.GetPrimaryTrack()->GetMomentum();
110 G4double res = fCalculateParametrisation->GetResolution(Par02DetectorParametrisation::eEMCAL,
111 fParametrisation, Porg.mag());
112 G4double eff = fCalculateParametrisation->GetEfficiency(Par02DetectorParametrisation::eEMCAL,
113 fParametrisation, Porg.mag());
114 G4double Esm;
115 Esm = std::abs(Par02Smearer::Instance()->SmearEnergy(aFastTrack.GetPrimaryTrack(), res));
116 Par02Output::Instance()->FillHistogram(1, (Esm / MeV) / (Edep / MeV));
117 // Setting the values of Pos, Esm, res and eff
118 ((Par02PrimaryParticleInformation*)(const_cast<G4PrimaryParticle*>(
119 aFastTrack.GetPrimaryTrack()
120 ->GetDynamicParticle()
121 ->GetPrimaryParticle())
122 ->GetUserInformation()))
123 ->SetEMCalPosition(Pos);
124 ((Par02PrimaryParticleInformation*)(const_cast<G4PrimaryParticle*>(
125 aFastTrack.GetPrimaryTrack()
126 ->GetDynamicParticle()
127 ->GetPrimaryParticle())
128 ->GetUserInformation()))
129 ->SetEMCalEnergy(Esm);
130 ((Par02PrimaryParticleInformation*)(const_cast<G4PrimaryParticle*>(
131 aFastTrack.GetPrimaryTrack()
132 ->GetDynamicParticle()
133 ->GetPrimaryParticle())
134 ->GetUserInformation()))
135 ->SetEMCalResolution(res);
136 ((Par02PrimaryParticleInformation*)(const_cast<G4PrimaryParticle*>(
137 aFastTrack.GetPrimaryTrack()
138 ->GetDynamicParticle()
139 ->GetPrimaryParticle())
140 ->GetUserInformation()))
141 ->SetEMCalEfficiency(eff);
142 // The (smeared) energy of the particle is deposited in the step
143 // (which corresponds to the entrance of the electromagnetic calorimeter)
144 aFastStep.ProposeTotalEnergyDeposited(Esm);
145 }
146 else {
147 // No smearing: simply setting the value of Edep
148 ((Par02PrimaryParticleInformation*)(const_cast<G4PrimaryParticle*>(
149 aFastTrack.GetPrimaryTrack()
150 ->GetDynamicParticle()
151 ->GetPrimaryParticle())
152 ->GetUserInformation()))
153 ->SetEMCalEnergy(Edep);
154 // The (initial) energy of the particle is deposited in the step
155 // (which corresponds to the entrance of the electromagnetic calorimeter)
156 aFastStep.ProposeTotalEnergyDeposited(Edep);
157 }
158 }
159 }
160
161 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
162