source: trunk/source/processes/electromagnetic/standard/src/G4ionIonisation.cc@ 1344

Last change on this file since 1344 was 1340, checked in by garnier, 15 years ago

update ti head
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1//
2// ********************************************************************
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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 *
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25//
26// $Id: G4ionIonisation.cc,v 1.72 2010/10/26 10:42:04 vnivanch Exp $
27// GEANT4 tag $Name: emstand-V09-03-24 $
28//
29// -------------------------------------------------------------------
30//
31// GEANT4 Class file
32//
33//
34// File name: G4ionIonisation
35//
36// Author: Vladimir Ivanchenko
37//
38// Creation date: 07.05.2002
39//
40// Modifications:
41//
42// 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko)
43// 26-12-02 Secondary production moved to derived classes (V.Ivanchenko)
44// 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko)
45// 18-04-03 Use IonFluctuations (V.Ivanchenko)
46// 03-08-03 Add effective charge (V.Ivanchenko)
47// 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
48// 27-05-04 Set integral to be a default regime (V.Ivanchenko)
49// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
50// 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
51// 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko)
52// 10-05-06 Add a possibility to download user data (V.Ivantchenko)
53// 13-05-06 Add data for light ion stopping in water (V.Ivantchenko)
54// 14-01-07 use SetEmModel() and SetFluctModel() from G4VEnergyLossProcess (mma)
55// 16-05-07 Add data for light ion stopping only for GenericIon (V.Ivantchenko)
56// 07-11-07 Fill non-ionizing energy loss (V.Ivantchenko)
57// 12-09-08 Removed InitialiseMassCharge and CorrectionsAlongStep (VI)
58//
59//
60// -------------------------------------------------------------------
61//
62//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
63//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
64
65#include "G4ionIonisation.hh"
66#include "G4Electron.hh"
67#include "G4Proton.hh"
68#include "G4GenericIon.hh"
69#include "G4BraggModel.hh"
70#include "G4BraggIonModel.hh"
71#include "G4BetheBlochModel.hh"
72#include "G4UnitsTable.hh"
73#include "G4LossTableManager.hh"
74#include "G4WaterStopping.hh"
75#include "G4EmCorrections.hh"
76#include "G4IonFluctuations.hh"
77
78//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
79
80using namespace std;
81
82G4ionIonisation::G4ionIonisation(const G4String& name)
83 : G4VEnergyLossProcess(name),
84 theParticle(0),
85 isInitialised(false),
86 stopDataActive(true)
87{
88 SetLinearLossLimit(0.02);
89 SetStepFunction(0.1, 0.1*mm);
90 SetIntegral(true);
91 SetProcessSubType(fIonisation);
92 // SetVerboseLevel(1);
93 corr = G4LossTableManager::Instance()->EmCorrections();
94 eth = 2*MeV;
95}
96
97//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
98
99G4ionIonisation::~G4ionIonisation()
100{}
101
102//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
103
104G4bool G4ionIonisation::IsApplicable(const G4ParticleDefinition& p)
105{
106 return (p.GetPDGCharge() != 0.0 && !p.IsShortLived() &&
107 p.GetParticleType() == "nucleus");
108}
109
110//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
111
112G4double G4ionIonisation::MinPrimaryEnergy(const G4ParticleDefinition* p,
113 const G4Material*,
114 G4double cut)
115{
116 return
117 p->GetPDGMass()*(std::sqrt(1. + 0.5*cut/CLHEP::electron_mass_c2) - 1.0);
118}
119
120//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
121
122void G4ionIonisation::InitialiseEnergyLossProcess(
123 const G4ParticleDefinition* part,
124 const G4ParticleDefinition* bpart)
125{
126 const G4ParticleDefinition* ion = G4GenericIon::GenericIon();
127
128 if(!isInitialised) {
129
130 theParticle = part;
131 //G4String pname = part->GetParticleName();
132
133 // define base particle
134 const G4ParticleDefinition* theBaseParticle = 0;
135
136 if(part == ion) { theBaseParticle = 0; }
137 else if(bpart == 0) { theBaseParticle = ion; }
138 else { theBaseParticle = bpart; }
139
140 SetBaseParticle(theBaseParticle);
141 SetSecondaryParticle(G4Electron::Electron());
142
143 if (!EmModel(1)) { SetEmModel(new G4BraggIonModel(), 1); }
144 EmModel(1)->SetLowEnergyLimit(MinKinEnergy());
145
146 // model limit defined for protons
147 eth = (EmModel(1)->HighEnergyLimit())*part->GetPDGMass()/proton_mass_c2;
148 EmModel(1)->SetHighEnergyLimit(eth);
149
150 if (!FluctModel()) { SetFluctModel(new G4IonFluctuations()); }
151 AddEmModel(1, EmModel(1), FluctModel());
152
153 if (!EmModel(2)) { SetEmModel(new G4BetheBlochModel(),2); }
154 EmModel(2)->SetLowEnergyLimit(eth);
155 EmModel(2)->SetHighEnergyLimit(MaxKinEnergy());
156 AddEmModel(2, EmModel(2), FluctModel());
157
158 // Add ion stoping tables for Generic Ion
159 if(part == ion) {
160 G4WaterStopping ws(corr);
161 corr->SetIonisationModels(EmModel(1),EmModel(2));
162 }
163 isInitialised = true;
164 }
165 // reinitialisation of corrections for the new run
166 if(part == ion) { corr->InitialiseForNewRun(); }
167}
168
169//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
170
171void G4ionIonisation::PrintInfo()
172{
173 if (stopDataActive && G4GenericIon::GenericIon() == theParticle) {
174 G4cout << " Stopping Power data for "
175 << corr->GetNumberOfStoppingVectors()
176 << " ion/material pairs "
177 << G4endl;
178 }
179}
180
181//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
182
183void G4ionIonisation::AddStoppingData(G4int Z, G4int A,
184 const G4String& mname,
185 G4PhysicsVector* dVector)
186{
187 corr->AddStoppingData(Z, A, mname, dVector);
188}
189
190//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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