CMSmplIonisation Class Reference

#include <CMSmplIonisation.h>

Inheritance diagram for CMSmplIonisation:

Public Member Functions
	CMSmplIonisation (G4double mCharge=0.0, const G4String &name="mplIoni")
G4bool	IsApplicable (const G4ParticleDefinition &p) override
G4double	MinPrimaryEnergy (const G4ParticleDefinition *p, const G4Material *, G4double cut) final
void	PrintInfo () override
void	ProcessDescription (std::ostream &) const override
	~CMSmplIonisation () override

Protected Member Functions
void	InitialiseEnergyLossProcess (const G4ParticleDefinition *, const G4ParticleDefinition *) override

Private Attributes
G4bool	isInitialised
G4double	magneticCharge

Detailed Description

Definition at line 35 of file CMSmplIonisation.h.

Constructor & Destructor Documentation

CMSmplIonisation::CMSmplIonisation ( G4double  mCharge = 0.0, const G4String &  name = "mplIoni"  )

explicit

Definition at line 30 of file CMSmplIonisation.cc.

References nanoDQM_cff::Electron, and magneticCharge.

    : G4VEnergyLossProcess(name), magneticCharge(mCharge), isInitialised(false) {
  // By default classical magnetic charge is used
  if (magneticCharge == 0.0) {
    magneticCharge = eplus * 0.5 / fine_structure_const;
  }

  SetVerboseLevel(0);
  SetProcessSubType(fIonisation);
  SetStepFunction(0.2, 1 * mm);
  SetSecondaryParticle(G4Electron::Electron());
}

CMSmplIonisation::~CMSmplIonisation ( )

override

Definition at line 45 of file CMSmplIonisation.cc.

{}

Member Function Documentation

void CMSmplIonisation::InitialiseEnergyLossProcess ( const G4ParticleDefinition *  p, const G4ParticleDefinition *    )

overrideprotected

Definition at line 63 of file CMSmplIonisation.cc.

References newFWLiteAna::bin, isInitialised, magneticCharge, SiStripPI::max, min(), and CMSmplIonisationWithDeltaModel::SetParticle().

                                                                                                             {
  if (isInitialised) {
    return;
  }

  SetBaseParticle(nullptr);

  // monopole model is responsible both for energy loss and fluctuations
  CMSmplIonisationWithDeltaModel* ion = new CMSmplIonisationWithDeltaModel(magneticCharge, "PAI");
  ion->SetParticle(p);

  // define size of dedx and range tables
  G4EmParameters* param = G4EmParameters::Instance();
  G4double emin = std::min(param->MinKinEnergy(), ion->LowEnergyLimit());
  G4double emax = std::max(param->MaxKinEnergy(), ion->HighEnergyLimit());
  G4int bin = G4lrint(param->NumberOfBinsPerDecade() * std::log10(emax / emin));
  ion->SetLowEnergyLimit(emin);
  ion->SetHighEnergyLimit(emax);
  SetMinKinEnergy(emin);
  SetMaxKinEnergy(emax);
  SetDEDXBinning(bin);

  SetEmModel(ion);
  AddEmModel(1, ion, ion);

  isInitialised = true;
}

G4bool CMSmplIonisation::IsApplicable ( const G4ParticleDefinition &  p )

override

Definition at line 49 of file CMSmplIonisation.cc.

{ return true; }

G4double CMSmplIonisation::MinPrimaryEnergy ( const G4ParticleDefinition *  p, const G4Material *  , G4double  cut  )

final

Definition at line 53 of file CMSmplIonisation.cc.

References EgHLTOffHistBins_cfi::mass, particleFlowDisplacedVertex_cfi::ratio, mathSSE::sqrt(), and x.

                                                                                                            {
  G4double x = 0.5 * cut / electron_mass_c2;
  G4double mass = mpl->GetPDGMass();
  G4double ratio = electron_mass_c2 / mass;
  G4double gam = x * ratio + std::sqrt((1. + x) * (1. + x * ratio * ratio));
  return mass * (gam - 1.0);
}

void CMSmplIonisation::PrintInfo ( )

override

Definition at line 93 of file CMSmplIonisation.cc.

{}

void CMSmplIonisation::ProcessDescription ( std::ostream &  out ) const

override

Definition at line 97 of file CMSmplIonisation.cc.

                                                               {
  out << "No description available." << G4endl;
  G4VEnergyLossProcess::ProcessDescription(out);
}

Member Data Documentation

G4bool CMSmplIonisation::isInitialised

private

Definition at line 56 of file CMSmplIonisation.h.

Referenced by InitialiseEnergyLossProcess().

G4double CMSmplIonisation::magneticCharge

private

Definition at line 55 of file CMSmplIonisation.h.

Referenced by CMSmplIonisation(), and InitialiseEnergyLossProcess().