source: trunk/source/processes/electromagnetic/standard/src/G4ionIonisation.cc@ 1201

Last change on this file since 1201 was 1196, checked in by garnier, 16 years ago

update CVS release candidate geant4.9.3.01
File size: 7.1 KB
Line 
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: G4ionIonisation.cc,v 1.66 2009/02/20 12:06:37 vnivanch Exp $
27// GEANT4 tag $Name: geant4-09-03-cand-01 $
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 "G4Alpha.hh"
69#include "G4GenericIon.hh"
70#include "G4BraggModel.hh"
71#include "G4BraggIonModel.hh"
72#include "G4BetheBlochModel.hh"
73#include "G4UnitsTable.hh"
74#include "G4LossTableManager.hh"
75#include "G4WaterStopping.hh"
76#include "G4EmCorrections.hh"
77#include "G4IonFluctuations.hh"
78
79//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
80
81using namespace std;
82
83G4ionIonisation::G4ionIonisation(const G4String& name)
84 : G4VEnergyLossProcess(name),
85 corr(0),
86 theParticle(0),
87 isInitialised(false),
88 stopDataActive(true),
89 nuclearStopping(true)
90{
91 SetLinearLossLimit(0.15);
92 SetStepFunction(0.1, 0.1*mm);
93 SetIntegral(true);
94 SetProcessSubType(fIonisation);
95 // SetVerboseLevel(1);
96 corr = G4LossTableManager::Instance()->EmCorrections();
97}
98
99//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
100
101G4ionIonisation::~G4ionIonisation()
102{}
103
104//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
105
106G4bool G4ionIonisation::IsApplicable(const G4ParticleDefinition& p)
107{
108 return (p.GetPDGCharge() != 0.0 && !p.IsShortLived() &&
109 p.GetParticleType() == "nucleus");
110}
111
112//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
113
114G4double G4ionIonisation::MinPrimaryEnergy(const G4ParticleDefinition* p,
115 const G4Material*,
116 G4double cut)
117{
118 return
119 p->GetPDGMass()*(std::sqrt(1. + 0.5*cut/CLHEP::electron_mass_c2) - 1.0);
120}
121
122//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
123
124void G4ionIonisation::InitialiseEnergyLossProcess(
125 const G4ParticleDefinition* part,
126 const G4ParticleDefinition* bpart)
127{
128 const G4ParticleDefinition* ion = G4GenericIon::GenericIon();
129
130 if(!isInitialised) {
131
132 theParticle = part;
133 //G4String pname = part->GetParticleName();
134
135 // define base particle
136 const G4ParticleDefinition* theBaseParticle = 0;
137
138 if(part == ion) theBaseParticle = 0;
139 else if(bpart == 0) theBaseParticle = ion;
140 else theBaseParticle = bpart;
141
142 SetBaseParticle(theBaseParticle);
143 SetSecondaryParticle(G4Electron::Electron());
144
145 if (!EmModel(1)) SetEmModel(new G4BraggIonModel(), 1);
146 EmModel(1)->SetLowEnergyLimit(MinKinEnergy());
147
148 // model limit defined for protons
149 eth = (EmModel(1)->HighEnergyLimit())*part->GetPDGMass()/proton_mass_c2;
150 EmModel(1)->SetHighEnergyLimit(eth);
151
152 if (!FluctModel()) SetFluctModel(new G4IonFluctuations());
153 AddEmModel(1, EmModel(1), FluctModel());
154
155 if (!EmModel(2)) SetEmModel(new G4BetheBlochModel(),2);
156 EmModel(2)->SetLowEnergyLimit(eth);
157 EmModel(2)->SetHighEnergyLimit(MaxKinEnergy());
158 AddEmModel(2, EmModel(2), FluctModel());
159
160 // Add ion stoping tables for Generic Ion
161 if(part == ion) {
162 G4WaterStopping ws(corr);
163 corr->SetIonisationModels(EmModel(1),EmModel(2));
164 }
165 isInitialised = true;
166 }
167 // reinitialisation of corrections for the new run
168 EmModel(1)->ActivateNuclearStopping(nuclearStopping);
169 EmModel(2)->ActivateNuclearStopping(nuclearStopping);
170 if(part == ion) corr->InitialiseForNewRun();
171}
172
173//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
174
175void G4ionIonisation::PrintInfo()
176{
177 if (stopDataActive && G4GenericIon::GenericIon() == theParticle) {
178 G4cout << " Stopping Power data for "
179 << corr->GetNumberOfStoppingVectors()
180 << " ion/material pairs, nuclearStopping: " << nuclearStopping
181 << G4endl;
182 }
183}
184
185//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
186
187void G4ionIonisation::AddStoppingData(G4int Z, G4int A,
188 const G4String& mname,
189 G4PhysicsVector* dVector)
190{
191 corr->AddStoppingData(Z, A, mname, dVector);
192}
193
194//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
Note: See TracBrowser for help on using the repository browser.