Files
geant4/source/processes/electromagnetic/muons/src/G4MuBremsstrahlung.cc
T
2023-06-19 17:17:14 +02:00

128 lines
5.1 KiB
C++

//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
// -------------------------------------------------------------------
//
// 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)
//
// -------------------------------------------------------------------
//
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
#include "G4MuBremsstrahlung.hh"
#include "G4SystemOfUnits.hh"
#include "G4Gamma.hh"
#include "G4MuBremsstrahlungModel.hh"
#include "G4EmParameters.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
using namespace std;
G4MuBremsstrahlung::G4MuBremsstrahlung(const G4String& name)
: G4VEnergyLossProcess(name),
lowestKinEnergy(0.1*CLHEP::GeV)
{
SetProcessSubType(fBremsstrahlung);
SetSecondaryParticle(G4Gamma::Gamma());
SetIonisation(false);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
G4bool G4MuBremsstrahlung::IsApplicable(const G4ParticleDefinition& p)
{
return (p.GetPDGCharge() != 0.0);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
G4double G4MuBremsstrahlung::MinPrimaryEnergy(const G4ParticleDefinition*,
const G4Material*,
G4double)
{
return lowestKinEnergy;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
void G4MuBremsstrahlung::InitialiseEnergyLossProcess(
const G4ParticleDefinition*,
const G4ParticleDefinition*)
{
if(isInitialised) { return; }
isInitialised = true;
if (nullptr == EmModel(0)) { SetEmModel(new G4MuBremsstrahlungModel()); }
G4VEmFluctuationModel* fm = nullptr;
G4EmParameters* param = G4EmParameters::Instance();
EmModel(0)->SetLowEnergyLimit(param->MinKinEnergy());
EmModel(0)->SetHighEnergyLimit(param->MaxKinEnergy());
EmModel(0)->SetSecondaryThreshold(param->MuHadBremsstrahlungTh());
AddEmModel(1, EmModel(0), fm);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
void G4MuBremsstrahlung::ProcessDescription(std::ostream& out) const
{
out << " Muon bremsstrahlung";
G4VEnergyLossProcess::ProcessDescription(out);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....