Geant4  10.02.p01
Par02DetectorParametrisation.cc
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30 
31 #include "Par02DetectorParametrisation.hh"
32 #include "G4SystemOfUnits.hh"
33 #include "G4UnitsTable.hh"
34 
35 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
36 
37 Par02DetectorParametrisation::Par02DetectorParametrisation() {}
38 
39 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
40 
41 Par02DetectorParametrisation::~Par02DetectorParametrisation() {}
42 
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44 
45 G4double Par02DetectorParametrisation::GetResolution( Detector aDetector,
46  Parametrisation aParam,
47  G4double aMomentum ) {
48  aMomentum /= GeV; // To make sure momentum's unit is GeV
49  G4double res = 1.0;
50  if ( aParam == eCMS ) {
51  switch ( aDetector ) {
52  case Par02DetectorParametrisation::eTRACKER :
53  res = 0.013;
54  break;
55  case Par02DetectorParametrisation::eEMCAL :
56  res = std::sqrt( std::pow( 0.03 / std::sqrt( aMomentum ), 2 ) // stochastic
57  + std::pow( 0.12 / aMomentum, 2 ) // noise
58  + std::pow( 0.003, 2 ) ); // constant
59  break;
60  case Par02DetectorParametrisation::eHCAL :
61  res = std::sqrt( std::pow( 1.1 / std::sqrt( aMomentum ), 2 ) // stochastic
62  + std::pow( 0.09, 2 ) ); // constant
63  break;
64  }
65  } else if ( aParam == eATLAS ) {
66  switch ( aDetector ) {
67  case Par02DetectorParametrisation::eTRACKER :
68  res = 0.01;
69  break;
70  case Par02DetectorParametrisation::eEMCAL :
71  res = std::sqrt( std::pow( 0.1 / std::sqrt( aMomentum ), 2 ) // stochastic
72  + std::pow( 0.0017, 2 ) ); // constant
73  break;
74  case Par02DetectorParametrisation::eHCAL :
75  res = std::sqrt( std::pow( 0.55 / std::sqrt( aMomentum ), 2 ) // stochastic
76  + std::pow( 0.06, 2 ) ); // constant
77  break;
78  }
79  } else if ( aParam == eALEPH ) {
80  switch ( aDetector ) {
81  case Par02DetectorParametrisation::eTRACKER :
82  res = 0.01;
83  break;
84  case Par02DetectorParametrisation::eEMCAL :
85  res = std::sqrt( std::pow( 0.18 / std::sqrt( aMomentum ), 2 ) // stochastic
86  + std::pow( 0.009, 2 ) ); // constant
87  break;
88  case Par02DetectorParametrisation::eHCAL :
89  res = 0.85 / std::sqrt( aMomentum ); // stochastic
90  break;
91  }
92  }
93  return res;
94 }
95 
96 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
97 
98 G4double Par02DetectorParametrisation::GetEfficiency( Detector aDetector,
99  Parametrisation /*aParam*/,
100  G4double /*aMomentum*/ ) {
101  // For the time being, we set the efficiency to 1.0
102  G4double eff = 1.0;
103  switch ( aDetector ) {
104  case Par02DetectorParametrisation::eTRACKER :
105  eff = 1.0;
106  break;
107  case Par02DetectorParametrisation::eEMCAL :
108  eff = 1.0;
109  break;
110  case Par02DetectorParametrisation::eHCAL :
111  eff = 1.0;
112  break;
113  }
114  return eff;
115 }
116 
117 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
118 
Par02DetectorParametrisation::Par02DetectorParametrisation
Par02DetectorParametrisation()
A default constructor.
Definition: Par02DetectorParametrisation.cc:37
Par02DetectorParametrisation::Detector
Detector
A detector type (tracking detector, electromagnetic calorimeter, hadronic calorimeter).
Definition: Par02DetectorParametrisation.hh:55
Par02DetectorParametrisation.hh
Definition of the Par02DetectorParameterisation class.
G4UnitsTable.hh
Par02DetectorParametrisation::Parametrisation
Parametrisation
A parametrisation type (CMS, ATLAS, ALEPH).
Definition: Par02DetectorParametrisation.hh:51
GeV
static const double GeV
Definition: G4SIunits.hh:214
Par02DetectorParametrisation::GetResolution
G4double GetResolution(Detector aDetector, Parametrisation aParametrisation, G4double aMomentum)
Gets the resolution of a detector for a given particle.
Definition: Par02DetectorParametrisation.cc:45
Par02DetectorParametrisation::GetEfficiency
G4double GetEfficiency(Detector aDetector, Parametrisation aParametrisation, G4double aMomentum)
Gets the efficiency of a detector for a given particle.
Definition: Par02DetectorParametrisation.cc:98
G4double
double G4double
Definition: G4Types.hh:76
G4SystemOfUnits.hh