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1 // 1
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26 //
27 /// \file Par02Smearer.cc
28 /// \brief Implementation of the Par02Smearer
29
30 #include "Par02Smearer.hh"
31
32 #include "Par02PrimaryParticleInformation.hh"
33
34 #include "G4FieldManager.hh"
35 #include "G4PrimaryParticle.hh"
36 #include "G4SystemOfUnits.hh"
37 #include "G4TransportationManager.hh"
38 #include "G4UniformMagField.hh"
39 #include "G4UnitsTable.hh"
40
41 #include <ctime>
42
43 //....oooOO0OOooo........oooOO0OOooo........oo
44
45 Par02Smearer* Par02Smearer::fPar02Smearer = nu
46
47 //....oooOO0OOooo........oooOO0OOooo........oo
48
49 Par02Smearer::Par02Smearer()
50 {
51 time_t seed = time(NULL);
52 fRandomEngine = new CLHEP::HepJamesRandom(st
53 fRandomGauss = new CLHEP::RandGauss(fRandomE
54 }
55
56 //....oooOO0OOooo........oooOO0OOooo........oo
57
58 Par02Smearer::~Par02Smearer() = default;
59
60 //....oooOO0OOooo........oooOO0OOooo........oo
61
62 Par02Smearer* Par02Smearer::Instance()
63 {
64 if (!fPar02Smearer) {
65 fPar02Smearer = new Par02Smearer();
66 }
67 return fPar02Smearer;
68 }
69
70 //....oooOO0OOooo........oooOO0OOooo........oo
71
72 G4ThreeVector Par02Smearer::SmearMomentum(cons
73 {
74 return SmearGaussian(aTrackOriginal, aResolu
75 }
76
77 //....oooOO0OOooo........oooOO0OOooo........oo
78
79 G4double Par02Smearer::SmearEnergy(const G4Tra
80 {
81 G4double newE = -1.0;
82 while (newE < 0.0) { // To ensure that the
83 // (vital for energy s
84 // for momentum smeari
85 if (aResolution != -1.0) {
86 newE = aTrackOriginal->GetKineticEnergy(
87 }
88 else {
89 newE = aTrackOriginal->GetKineticEnergy(
90 }
91 }
92 return newE;
93 }
94
95 //....oooOO0OOooo........oooOO0OOooo........oo
96
97 G4ThreeVector Par02Smearer::SmearGaussian(cons
98 {
99 G4ThreeVector originP = aTrackOriginal->GetM
100 G4ThreeVector originPos = aTrackOriginal->Ge
101 G4double rdm = Gauss(1.0, aResolution);
102 G4ThreeVector smearedMom(originP.x() * rdm,
103 return smearedMom;
104 }
105
106 //....oooOO0OOooo........oooOO0OOooo........oo
107
108 G4double Par02Smearer::Gauss(G4double aMean, G
109 {
110 return fRandomGauss->fire(aMean, aStandardDe
111 }
112
113 //....oooOO0OOooo........oooOO0OOooo........oo
114