G4MuBremsstrahlung.cc

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// $Id$
//
// -------------------------------------------------------------------
//
// GEANT4 Class file
//
//
// File name:     G4MuBremsstrahlung
//
// Author:        Laszlo Urban
//
// Creation date: 30.09.1997
//
// Modifications:
//
// 08-04-98 remove 'tracking cut' of muon in oIt, MMa
// 26-10-98 new cross section of R.Kokoulin,cleanup , L.Urban
// 10-02-00 modifications , new e.m. structure, L.Urban
// 29-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation
// 09-08-01 new methods Store/Retrieve PhysicsTable (mma)
// 17-09-01 migration of Materials to pure STL (mma)
// 26-09-01 completion of store/retrieve PhysicsTable (mma)
// 28-09-01 suppression of theMuonPlus ..etc..data members (mma)
// 29-10-01 all static functions no more inlined (mma)
// 08-11-01 particleMass becomes a local variable (mma)
// 19-08-02 V.Ivanchenko update to new design
// 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko)
// 26-12-02 Secondary production moved to derived classes (V.Ivanchenko)
// 08-08-03 STD substitute standard  (V.Ivanchenko)
// 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
// 10-02-04 Add lowestKinEnergy (V.Ivanchenko)
// 17-08-04 Utilise mu+ tables for mu- (V.Ivanchenko)
// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
// 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
//
// -------------------------------------------------------------------
//
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#include "G4MuBremsstrahlung.hh"
#include "G4SystemOfUnits.hh"
#include "G4Gamma.hh"
#include "G4MuonPlus.hh"
#include "G4MuonMinus.hh"
#include "G4MuBremsstrahlungModel.hh"
#include "G4UniversalFluctuation.hh"
 
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using namespace std;
 
G4MuBremsstrahlung::G4MuBremsstrahlung(const G4String& name)
  : G4VEnergyLossProcess(name),
    theParticle(0),
    theBaseParticle(0),
    lowestKinEnergy(1.*GeV),
    isInitialised(false)
{
  SetProcessSubType(fBremsstrahlung);
  SetSecondaryParticle(G4Gamma::Gamma());
  SetIonisation(false);
}
 
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G4MuBremsstrahlung::~G4MuBremsstrahlung()
{}
 
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G4bool G4MuBremsstrahlung::IsApplicable(const G4ParticleDefinition& p)
{
  return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 10.0*MeV);
}
 
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G4double G4MuBremsstrahlung::MinPrimaryEnergy(const G4ParticleDefinition*,
                          const G4Material*,
                          G4double)
{
  return lowestKinEnergy;
}
 
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void G4MuBremsstrahlung::InitialiseEnergyLossProcess(
                 const G4ParticleDefinition* part,
                 const G4ParticleDefinition*)
{
  if(!isInitialised) {
 
    isInitialised = true;
 
    theParticle = part;
 
    if (!EmModel()) { SetEmModel(new G4MuBremsstrahlungModel()); }
 
    G4VEmFluctuationModel* fm = 0;
    EmModel()->SetLowEnergyLimit(MinKinEnergy());
    EmModel()->SetHighEnergyLimit(MaxKinEnergy());
    AddEmModel(1, EmModel(), fm);
  }
}
 
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void G4MuBremsstrahlung::PrintInfo()
{}
 
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