Gabriele Cosmo
169 lines
6.0 KiB
C++
169 lines
6.0 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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// $Id: G4eBremsstrahlung.hh,v 1.32 2005/05/12 11:06:43 vnivanch Exp $
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// GEANT4 tag $Name: geant4-08-00 $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class header file
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//
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//
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// File name: G4eBremsstrahlung
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//
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// Author: Laszlo Urban
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//
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// Creation date: 24.06.1996
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//
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// Modifications:
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//
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// 01-10-96 new type G4OrderedTable; ComputePartialSumSigma()
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// 20-03-97 new energy loss+ionisation+brems scheme, L.Urban
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// 01-09-98 new method PrintInfo()
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// 10-02-00 modifications , new e.m. structure, L.Urban
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// 07-08-00 new cross section/en.loss parametrisation, LPM flag , L.Urban
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// 09-08-01 new methods Store/Retrieve PhysicsTable (mma)
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// 19-09-01 come back to previous process name "eBrem"
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// 29-10-01 all static functions no more inlined (mma)
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// 07-01-02 new design of em processes (V.Ivanchenko)
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// 26-12-02 secondary production moved to derived classes (VI)
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// 24-01-03 Make models region aware (V.Ivanchenko)
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// 05-02-03 Fix compilation warnings (V.Ivanchenko)
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// 08-08-03 STD substitute standard (V.Ivanchenko)
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// 17-10-03 PrintInfoDefinition - virtual (V.Ivanchenko)
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// 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
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// 21-01-04 Migrade to G4ParticleChangeForLoss (V.Ivanchenko)
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// 04-11-04 add gamma threshold (V.Ivanchenko)
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// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
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// 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
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// 11-04-04 Move MaxSecondaryEnergy to models (V.Ivanchenko)
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//
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// Class Description:
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//
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// This class manages the bremsstrahlung for e-/e+
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// it inherites from G4VContinuousDiscreteProcess via G4VEnergyLoss.
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//
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// -------------------------------------------------------------------
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//
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#ifndef G4eBremsstrahlung_h
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#define G4eBremsstrahlung_h 1
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#include "G4VEnergyLossProcess.hh"
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#include "G4DynamicParticle.hh"
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#include "G4Electron.hh"
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#include "G4Positron.hh"
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class G4Material;
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class G4eBremsstrahlung : public G4VEnergyLossProcess
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{
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public:
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G4eBremsstrahlung(const G4String& name = "eBrem", G4double thresh=DBL_MAX);
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virtual ~G4eBremsstrahlung();
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G4bool IsApplicable(const G4ParticleDefinition& p);
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// Print out of the class parameters
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virtual void PrintInfo();
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void SetGammaThreshold(G4double val);
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G4double GammaThreshold() const;
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protected:
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std::vector<G4DynamicParticle*>* SecondariesPostStep(
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G4VEmModel*,
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double&);
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virtual void InitialiseEnergyLossProcess(const G4ParticleDefinition*,
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const G4ParticleDefinition*);
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private:
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// hide assignment operator
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G4eBremsstrahlung & operator=(const G4eBremsstrahlung &right);
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G4eBremsstrahlung(const G4eBremsstrahlung&);
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const G4ParticleDefinition* particle;
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G4double gammaThreshold;
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G4bool isInitialised;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#include "G4VEmModel.hh"
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inline G4bool G4eBremsstrahlung::IsApplicable(const G4ParticleDefinition& p)
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{
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return (&p == G4Electron::Electron() || &p == G4Positron::Positron());
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline std::vector<G4DynamicParticle*>* G4eBremsstrahlung::SecondariesPostStep(
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G4VEmModel* model,
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const G4MaterialCutsCouple* couple,
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const G4DynamicParticle* dp,
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G4double& tcut)
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{
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G4ThreeVector dir = dp->GetMomentumDirection();
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std::vector<G4DynamicParticle*>* newp = model->SampleSecondaries(couple, dp, tcut);
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if(((*newp)[0])->GetKineticEnergy() > gammaThreshold) {
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fParticleChange.ProposeTrackStatus(fStopAndKill);
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G4DynamicParticle* el = new G4DynamicParticle(dp->GetDefinition(),
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fParticleChange.GetProposedMomentumDirection(),
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fParticleChange.GetProposedKineticEnergy());
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newp->push_back(el);
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}
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return newp;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline void G4eBremsstrahlung::SetGammaThreshold(G4double val)
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{
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gammaThreshold = val;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4eBremsstrahlung::GammaThreshold() const
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{
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return gammaThreshold;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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