| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | // $Id: G4eBremsstrahlung.cc,v 1.48 2007/05/23 08:47:34 vnivanch Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-01-patch-02 $
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| 28 | //
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| 29 | // -------------------------------------------------------------------
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| 30 | //
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| 31 | // GEANT4 Class file
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| 32 | //
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| 33 | //
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| 34 | // File name: G4eBremsstrahlung
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| 35 | //
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| 36 | // Author: Michel Maire
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| 37 | //
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| 38 | // Creation date: 26.06.1996
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| 39 | //
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| 40 | // Modifications:
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| 41 | //
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| 42 | // 26-09-96 extension of the total crosssection above 100 GeV, M.Maire
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| 43 | // 1-10-96 new type G4OrderedTable; ComputePartialSumSigma(), M.Maire
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| 44 | // 16-10-96 DoIt() call to the non static GetEnergyCuts(), L.Urban
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| 45 | // 13-12-96 Sign corrected in grejmax and greject
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| 46 | // error definition of screenvar, L.Urban
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| 47 | // 20-03-97 new energy loss+ionisation+brems scheme, L.Urban
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| 48 | // 07-04-98 remove 'tracking cut' of the diffracted particle, MMa
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| 49 | // 13-08-98 new methods SetBining() PrintInfo()
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| 50 | // 03-03-99 Bug fixed in LPM effect, L.Urban
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| 51 | // 10-02-00 modifications , new e.m. structure, L.Urban
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| 52 | // 07-08-00 new cross section/en.loss parametrisation, LPM flag , L.Urban
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| 53 | // 21-09-00 corrections in the LPM implementation, L.Urban
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| 54 | // 28-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation
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| 55 | // 09-08-01 new methods Store/Retrieve PhysicsTable (mma)
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| 56 | // 17-09-01 migration of Materials to pure STL (mma)
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| 57 | // 21-09-01 completion of RetrievePhysicsTable() (mma)
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| 58 | // 29-10-01 all static functions no more inlined (mma)
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| 59 | // 08-11-01 particleMass becomes a local variable
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| 60 | // 30-04-02 V.Ivanchenko update to new design
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| 61 | // 23-12-02 Change interface in order to move to cut per region (VI)
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| 62 | // 26-12-02 Secondary production moved to derived classes (VI)
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| 63 | // 23-05-03 Define default integral + BohrFluctuations (V.Ivanchenko)
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| 64 | // 08-08-03 STD substitute standard (V.Ivanchenko)
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| 65 | // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
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| 66 | // 04-11-04 add gamma threshold (V.Ivanchenko)
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| 67 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
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| 68 | // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
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| 69 | // 22-05-06 Use gammaThreshold from manager (V.Ivantchenko)
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| 70 | // 15-01-07 use SetEmModel() from G4VEnergyLossProcess (mma)
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| 71 | //
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| 72 | // -------------------------------------------------------------------
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| 73 | //
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| 74 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 75 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 76 |
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| 77 | #include "G4eBremsstrahlung.hh"
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| 78 | #include "G4Gamma.hh"
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| 79 | #include "G4eBremsstrahlungModel.hh"
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| 80 | #include "G4UniversalFluctuation.hh"
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| 81 | #include "G4UnitsTable.hh"
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| 82 | #include "G4LossTableManager.hh"
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| 83 |
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| 84 | #include "G4ProductionCutsTable.hh"
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| 85 | #include "G4MaterialCutsCouple.hh"
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| 86 |
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| 87 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 88 |
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| 89 | using namespace std;
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| 90 |
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| 91 | G4eBremsstrahlung::G4eBremsstrahlung(const G4String& name):
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| 92 | G4VEnergyLossProcess(name),
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| 93 | isInitialised(false)
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| 94 | {}
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| 95 |
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| 96 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 97 |
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| 98 | G4eBremsstrahlung::~G4eBremsstrahlung()
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| 99 | {}
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| 100 |
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| 101 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 102 |
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| 103 | void G4eBremsstrahlung::InitialiseEnergyLossProcess(
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| 104 | const G4ParticleDefinition* p,
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| 105 | const G4ParticleDefinition*)
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| 106 | {
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| 107 | if(!isInitialised) {
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| 108 | particle = p;
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| 109 | SetSecondaryParticle(G4Gamma::Gamma());
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| 110 | SetIonisation(false);
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| 111 | if (!EmModel()) SetEmModel(new G4eBremsstrahlungModel());
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| 112 | EmModel()->SetLowEnergyLimit (100*eV);
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| 113 | EmModel()->SetHighEnergyLimit(100*TeV);
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| 114 | if (!FluctModel()) SetFluctModel(new G4UniversalFluctuation());
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| 115 |
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| 116 | AddEmModel(1, EmModel(), FluctModel());
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| 117 | isInitialised = true;
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| 118 | }
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| 119 | G4LossTableManager* man = G4LossTableManager::Instance();
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| 120 | dynamic_cast<G4eBremsstrahlungModel*>(EmModel())
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| 121 | ->SetEnergyThreshold(man->BremsstrahlungTh());
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| 122 | dynamic_cast<G4eBremsstrahlungModel*>(EmModel())
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| 123 | ->SetLPMflag(man->LPMFlag());
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| 124 | }
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| 125 |
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| 126 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 127 |
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| 128 | void G4eBremsstrahlung::PrintInfo()
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| 129 | {
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| 130 | if(EmModel()) {
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| 131 | G4cout << " Total cross sections and sampling from "
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| 132 | << EmModel()->GetName() << " model"
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| 133 | << " (based on the EEDL data library) "
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| 134 | << "\n Good description from 1 KeV to 100 GeV, "
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| 135 | << "log scale extrapolation above 100 GeV."
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| 136 | << " LPM flag "
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| 137 | << dynamic_cast<G4eBremsstrahlungModel*>(EmModel())->LPMflag()
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| 138 | << G4endl;
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| 139 | G4double eth = dynamic_cast<G4eBremsstrahlungModel*>(EmModel())->EnergyThreshold();
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| 140 | if(eth < DBL_MIN)
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| 141 | G4cout << " HighEnergyThreshold(GeV)= " << eth/GeV
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| 142 | << G4endl;
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| 143 | }
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| 144 | }
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| 145 |
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| 146 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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