source: trunk/examples/extended/electromagnetic/TestEm3/src/PhysListEmStandard.cc @ 1309

Last change on this file since 1309 was 1230, checked in by garnier, 14 years ago

update to geant4.9.3
File size: 6.7 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: PhysListEmStandard.cc,v 1.23 2009/11/13 17:01:44 maire Exp $
27// GEANT4 tag $Name: geant4-09-03-cand-01 $
28//
29//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
30//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31
32#include "PhysListEmStandard.hh"
33#include "G4ParticleDefinition.hh"
34#include "G4ProcessManager.hh"
35
36#include "G4ComptonScattering.hh"
37#include "G4GammaConversion.hh"
38#include "G4PhotoElectricEffect.hh"
39
40#include "G4eMultipleScattering.hh"
41#include "G4UrbanMscModel93.hh"
42#include "G4eIonisation.hh"
43#include "G4eBremsstrahlung.hh"
44#include "G4eplusAnnihilation.hh"
45
46#include "G4MuMultipleScattering.hh"
47#include "G4MuIonisation.hh"
48#include "G4MuBremsstrahlung.hh"
49#include "G4MuPairProduction.hh"
50
51#include "G4hMultipleScattering.hh"
52#include "G4hIonisation.hh"
53#include "G4hBremsstrahlung.hh"
54#include "G4hPairProduction.hh"
55
56#include "G4ionIonisation.hh"
57
58#include "G4EmProcessOptions.hh"
59#include "G4MscStepLimitType.hh"
60
61//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
62
63PhysListEmStandard::PhysListEmStandard(const G4String& name)
64   :  G4VPhysicsConstructor(name)
65{}
66
67//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
68
69PhysListEmStandard::~PhysListEmStandard()
70{}
71
72//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
73
74void PhysListEmStandard::ConstructProcess()
75{
76  // Add standard EM Processes
77
78  theParticleIterator->reset();
79  while( (*theParticleIterator)() ){
80    G4ParticleDefinition* particle = theParticleIterator->value();
81    G4ProcessManager* pmanager = particle->GetProcessManager();
82    G4String particleName = particle->GetParticleName();
83     
84    if (particleName == "gamma") {
85      // gamma         
86      pmanager->AddDiscreteProcess(new G4PhotoElectricEffect);
87      pmanager->AddDiscreteProcess(new G4ComptonScattering);
88      pmanager->AddDiscreteProcess(new G4GammaConversion);
89     
90    } else if (particleName == "e-") {
91      //electron
92      G4eMultipleScattering* msc = new G4eMultipleScattering();
93      msc->AddEmModel(0, new G4UrbanMscModel93());
94      pmanager->AddProcess(msc,                       -1, 1, 1);     
95      pmanager->AddProcess(new G4eIonisation,         -1, 2, 2);
96      pmanager->AddProcess(new G4eBremsstrahlung(),   -1, 3, 3);
97     
98    } else if (particleName == "e+") {
99      //positron
100      G4eMultipleScattering* msc = new G4eMultipleScattering();
101      msc->AddEmModel(0, new G4UrbanMscModel93());
102      pmanager->AddProcess(msc,                       -1, 1, 1);     
103      pmanager->AddProcess(new G4eIonisation,         -1, 2, 2);
104      pmanager->AddProcess(new G4eBremsstrahlung(),   -1, 3, 3);
105      pmanager->AddProcess(new G4eplusAnnihilation,    0,-1, 4);
106     
107    } else if( particleName == "mu-" || 
108               particleName == "mu+"    ) {
109      //muon 
110      pmanager->AddProcess(new G4MuMultipleScattering, -1, 1, 1);
111      pmanager->AddProcess(new G4MuIonisation,         -1, 2, 2);
112      pmanager->AddProcess(new G4MuBremsstrahlung,     -1, 3, 3);
113      pmanager->AddProcess(new G4MuPairProduction,     -1, 4, 4);
114             
115    } else if( particleName == "proton" ||
116               particleName == "pi-" ||
117               particleName == "pi+"    ) {
118      //proton 
119      pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1);
120      pmanager->AddProcess(new G4hIonisation,         -1, 2, 2);
121      pmanager->AddProcess(new G4hBremsstrahlung,     -1, 3, 3);
122      pmanager->AddProcess(new G4hPairProduction,     -1, 4, 4);       
123     
124    } else if( particleName == "alpha" || 
125               particleName == "He3" || 
126               particleName == "GenericIon" ) {
127      //Ions
128      pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1);
129      pmanager->AddProcess(new G4ionIonisation,       -1, 2, 2);
130
131    } else if ((!particle->IsShortLived()) &&
132               (particle->GetPDGCharge() != 0.0) && 
133               (particle->GetParticleName() != "chargedgeantino")) {
134      //all others charged particles except geantino
135      pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1);
136      pmanager->AddProcess(new G4hIonisation,         -1, 2, 2);
137    }
138  }
139
140  // Em options
141  //
142  // Main options and setting parameters are shown here.
143  // Several of them have default values.
144  //
145  G4EmProcessOptions emOptions;
146 
147  //physics tables
148  //
149  emOptions.SetMinEnergy(100*eV);       //default   
150  emOptions.SetMaxEnergy(100*TeV);      //default 
151  emOptions.SetDEDXBinning(12*20);      //default=12*7 
152  emOptions.SetLambdaBinning(12*20);    //default=12*7
153  emOptions.SetSplineFlag(true);        //default
154     
155  //multiple coulomb scattering
156  //
157  emOptions.SetMscStepLimitation(fUseDistanceToBoundary);  //default=fUseSafety
158  emOptions.SetMscRangeFactor(0.04);    //default
159  emOptions.SetMscGeomFactor (2.5);     //default       
160  emOptions.SetSkin(3.);                //default
161     
162  //energy loss
163  //
164  emOptions.SetStepFunction(0.2, 100*um);       //default=(0.2, 1*mm)     
165  emOptions.SetLinearLossLimit(1.e-2);          //default
166   
167  //ionization
168  //
169  emOptions.SetSubCutoff(false);                //default=false
170}
171
172//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
173
Note: See TracBrowser for help on using the repository browser.