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 | // $Id: G4hhIonisation.cc,v 1.6 2007/05/22 17:37:30 vnivanch Exp $ |
---|
27 | // GEANT4 tag $Name: geant4-09-01-patch-02 $ |
---|
28 | // |
---|
29 | // ------------------------------------------------------------------- |
---|
30 | // |
---|
31 | // GEANT4 Class file |
---|
32 | // |
---|
33 | // |
---|
34 | // File name: G4hhIonisation |
---|
35 | // |
---|
36 | // Author: Vladimir Ivanchenko |
---|
37 | // |
---|
38 | // Creation date: 30.09.2005 |
---|
39 | // |
---|
40 | // Modifications: |
---|
41 | // 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko) |
---|
42 | // 27-10-06 Add maxKinEnergy (V.Ivantchenko) |
---|
43 | // |
---|
44 | // |
---|
45 | // ------------------------------------------------------------------- |
---|
46 | // |
---|
47 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
48 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
49 | |
---|
50 | #include "G4hhIonisation.hh" |
---|
51 | #include "G4BraggNoDeltaModel.hh" |
---|
52 | #include "G4BetheBlochNoDeltaModel.hh" |
---|
53 | #include "G4UniversalFluctuation.hh" |
---|
54 | #include "G4BohrFluctuations.hh" |
---|
55 | #include "G4UnitsTable.hh" |
---|
56 | #include "G4Electron.hh" |
---|
57 | |
---|
58 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
59 | |
---|
60 | G4hhIonisation::G4hhIonisation(const G4String& name) |
---|
61 | : G4VEnergyLossProcess(name), |
---|
62 | theParticle(0), |
---|
63 | theBaseParticle(0), |
---|
64 | isInitialised(false) |
---|
65 | { |
---|
66 | minKinEnergy = 0.1*keV; |
---|
67 | maxKinEnergy = 100.*TeV; |
---|
68 | SetDEDXBinning(120); |
---|
69 | SetMinKinEnergy(minKinEnergy); |
---|
70 | SetMaxKinEnergy(maxKinEnergy); |
---|
71 | SetStepFunction(0.1, 0.1*mm); |
---|
72 | SetVerboseLevel(1); |
---|
73 | mass = 0.0; |
---|
74 | ratio = 0.0; |
---|
75 | } |
---|
76 | |
---|
77 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
78 | |
---|
79 | G4hhIonisation::~G4hhIonisation() |
---|
80 | {} |
---|
81 | |
---|
82 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
83 | |
---|
84 | void G4hhIonisation::InitialiseEnergyLossProcess(const G4ParticleDefinition* part, |
---|
85 | const G4ParticleDefinition* bpart) |
---|
86 | { |
---|
87 | if(isInitialised) return; |
---|
88 | |
---|
89 | theParticle = part; |
---|
90 | if(bpart) G4cout << "G4hhIonisation::InitialiseEnergyLossProcess WARNING: no " |
---|
91 | << "base particle should be defined for the process " |
---|
92 | << GetProcessName() << G4endl; |
---|
93 | |
---|
94 | SetBaseParticle(0); |
---|
95 | SetSecondaryParticle(G4Electron::Electron()); |
---|
96 | mass = theParticle->GetPDGMass(); |
---|
97 | ratio = electron_mass_c2/mass; |
---|
98 | eth = 2.0*MeV*mass/proton_mass_c2; |
---|
99 | flucModel = new G4BohrFluctuations(); |
---|
100 | |
---|
101 | G4int nm = 1; |
---|
102 | |
---|
103 | if(eth > minKinEnergy) { |
---|
104 | G4VEmModel* em = new G4BraggNoDeltaModel(); |
---|
105 | em->SetLowEnergyLimit(minKinEnergy); |
---|
106 | em->SetHighEnergyLimit(eth); |
---|
107 | AddEmModel(nm, em, flucModel); |
---|
108 | nm++; |
---|
109 | } |
---|
110 | |
---|
111 | if(eth < maxKinEnergy) { |
---|
112 | G4VEmModel* em1 = new G4BetheBlochNoDeltaModel(); |
---|
113 | em1->SetLowEnergyLimit(std::max(eth,minKinEnergy)); |
---|
114 | em1->SetHighEnergyLimit(maxKinEnergy); |
---|
115 | AddEmModel(nm, em1, flucModel); |
---|
116 | } |
---|
117 | |
---|
118 | if(verboseLevel>0) |
---|
119 | G4cout << "G4hhIonisation is initialised: Nmodels= " << nm << G4endl; |
---|
120 | |
---|
121 | isInitialised = true; |
---|
122 | } |
---|
123 | |
---|
124 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
125 | |
---|
126 | void G4hhIonisation::PrintInfo() |
---|
127 | { |
---|
128 | G4cout << " Delta-ray will not be produced; " |
---|
129 | << "Bether-Bloch model for E > " << std::max(eth,minKinEnergy) |
---|
130 | << G4endl; |
---|
131 | if(eth > minKinEnergy) G4cout |
---|
132 | << " ICRU49 parametrisation scaled from protons below."; |
---|
133 | G4cout << G4endl; |
---|
134 | } |
---|
135 | |
---|
136 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|