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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // 27 // ------------------------------------------------------------------- 28 // 29 // GEANT4 Class file 30 // 31 // 32 // File name: G4MuBremsstrahlung 33 // 34 // Author: Laszlo Urban 35 // 36 // Creation date: 30.09.1997 37 // 38 // Modifications: 39 // 40 // 08-04-98 remove 'tracking cut' of muon in oIt, MMa 41 // 26-10-98 new cross section of R.Kokoulin,cleanup , L.Urban 42 // 10-02-00 modifications , new e.m. structure, L.Urban 43 // 29-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation 44 // 09-08-01 new methods Store/Retrieve PhysicsTable (mma) 45 // 17-09-01 migration of Materials to pure STL (mma) 46 // 26-09-01 completion of store/retrieve PhysicsTable (mma) 47 // 28-09-01 suppression of theMuonPlus ..etc..data members (mma) 48 // 29-10-01 all static functions no more inlined (mma) 49 // 08-11-01 particleMass becomes a local variable (mma) 50 // 19-08-02 V.Ivanchenko update to new design 51 // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko) 52 // 26-12-02 Secondary production moved to derived classes (V.Ivanchenko) 53 // 08-08-03 STD substitute standard (V.Ivanchenko) 54 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko) 55 // 10-02-04 Add lowestKinEnergy (V.Ivanchenko) 56 // 17-08-04 Utilise mu+ tables for mu- (V.Ivanchenko) 57 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko) 58 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko) 59 // 60 // ------------------------------------------------------------------- 61 // 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 64 65 #include "G4MuBremsstrahlung.hh" 66 #include "G4SystemOfUnits.hh" 67 #include "G4Gamma.hh" 68 #include "G4MuBremsstrahlungModel.hh" 69 #include "G4EmParameters.hh" 70 71 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 72 73 using namespace std; 74 75 G4MuBremsstrahlung::G4MuBremsstrahlung(const G4String& name) 76 : G4VEnergyLossProcess(name), 77 lowestKinEnergy(0.1*CLHEP::GeV) 78 { 79 SetProcessSubType(fBremsstrahlung); 80 SetSecondaryParticle(G4Gamma::Gamma()); 81 SetIonisation(false); 82 } 83 84 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 85 86 G4bool G4MuBremsstrahlung::IsApplicable(const G4ParticleDefinition& p) 87 { 88 return (p.GetPDGCharge() != 0.0); 89 } 90 91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 92 93 G4double G4MuBremsstrahlung::MinPrimaryEnergy(const G4ParticleDefinition*, 94 const G4Material*, 95 G4double) 96 { 97 return lowestKinEnergy; 98 } 99 100 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 101 102 void G4MuBremsstrahlung::InitialiseEnergyLossProcess( 103 const G4ParticleDefinition*, 104 const G4ParticleDefinition*) 105 { 106 if(isInitialised) { return; } 107 isInitialised = true; 108 109 if (nullptr == EmModel(0)) { SetEmModel(new G4MuBremsstrahlungModel()); } 110 111 G4VEmFluctuationModel* fm = nullptr; 112 G4EmParameters* param = G4EmParameters::Instance(); 113 EmModel(0)->SetLowEnergyLimit(param->MinKinEnergy()); 114 EmModel(0)->SetHighEnergyLimit(param->MaxKinEnergy()); 115 EmModel(0)->SetSecondaryThreshold(param->MuHadBremsstrahlungTh()); 116 AddEmModel(1, EmModel(0), fm); 117 } 118 119 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 120 121 void G4MuBremsstrahlung::ProcessDescription(std::ostream& out) const 122 { 123 out << " Muon bremsstrahlung"; 124 G4VEnergyLossProcess::ProcessDescription(out); 125 } 126 127 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 128