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9.6.p02
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geant4_9_6_p02
examples
extended
medical
fanoCavity
src
PhysListEmStandard_GS.cc
Go to the documentation of this file.
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//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id$
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "PhysListEmStandard_GS.hh"
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#include "DetectorConstruction.hh"
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#include "
G4ParticleDefinition.hh
"
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#include "
G4ProcessManager.hh
"
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#include "
G4ComptonScattering.hh
"
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#include "
MyKleinNishinaCompton.hh
"
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#include "
G4GammaConversion.hh
"
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#include "
G4PhotoElectricEffect.hh
"
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#include "
G4eMultipleScattering.hh
"
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#include "
G4GoudsmitSaundersonMscModel.hh
"
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#include "
G4eIonisation.hh
"
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#include "MyMollerBhabhaModel.hh"
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#include "
G4eBremsstrahlung.hh
"
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#include "
G4eplusAnnihilation.hh
"
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#include "
G4hIonisation.hh
"
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#include "
G4hMultipleScattering.hh
"
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#include "
G4EmProcessOptions.hh
"
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#include "
G4MscStepLimitType.hh
"
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#include "
G4SystemOfUnits.hh
"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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PhysListEmStandard_GS::PhysListEmStandard_GS
(
const
G4String
&
name
,
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DetectorConstruction
* det)
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:
G4VPhysicsConstructor
(name), fDetector(det)
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{}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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PhysListEmStandard_GS::~PhysListEmStandard_GS
()
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{}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void
PhysListEmStandard_GS::ConstructProcess
()
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{
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// Add standard EM Processes
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//
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theParticleIterator
->
reset
();
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while
( (*
theParticleIterator
)() ){
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G4ParticleDefinition
* particle =
theParticleIterator
->
value
();
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G4ProcessManager
* pmanager = particle->
GetProcessManager
();
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G4String
particleName = particle->
GetParticleName
();
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if
(particleName ==
"gamma"
) {
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// gamma
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G4ComptonScattering
* compton =
new
G4ComptonScattering
();
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MyKleinNishinaCompton
* comptonModel =
new
MyKleinNishinaCompton
(fDetector);
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comptonModel->
SetCSFactor
(1000.);
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compton->
SetModel
(comptonModel );
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pmanager->
AddDiscreteProcess
(
new
G4PhotoElectricEffect
);
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pmanager->
AddDiscreteProcess
(compton);
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pmanager->
AddDiscreteProcess
(
new
G4GammaConversion
);
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}
else
if
(particleName ==
"e-"
) {
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//electron
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G4eMultipleScattering
* eMsc =
new
G4eMultipleScattering
();
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eMsc->
AddEmModel
(1,
new
G4GoudsmitSaundersonMscModel
);
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G4eIonisation
* eIoni =
new
G4eIonisation
();
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eIoni->
SetEmModel
(
new
MyMollerBhabhaModel
);
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pmanager->
AddProcess
(eMsc, -1, 1, 1);
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pmanager->
AddProcess
(eIoni, -1, 2, 2);
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}
else
if
(particleName ==
"e+"
) {
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//positron
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G4eMultipleScattering
* pMsc =
new
G4eMultipleScattering
();
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pMsc->
AddEmModel
(1,
new
G4GoudsmitSaundersonMscModel
);
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G4eIonisation
* pIoni =
new
G4eIonisation
();
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pIoni->
SetEmModel
(
new
MyMollerBhabhaModel
);
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pmanager->
AddProcess
(pMsc, -1, 1, 1);
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pmanager->
AddProcess
(pIoni, -1, 2, 2);
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pmanager->
AddProcess
(
new
G4eplusAnnihilation
, 0,-1, 3);
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}
else
if
( particleName ==
"proton"
) {
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//proton
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pmanager->
AddProcess
(
new
G4hMultipleScattering
, -1, 1, 1);
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pmanager->
AddProcess
(
new
G4hIonisation
, -1, 2, 2);
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}
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}
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// Em options
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//
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// Main options and setting parameters are shown here.
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// Several of them have default values.
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//
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G4EmProcessOptions
emOptions;
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//physics tables
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//
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emOptions.
SetMinEnergy
(100*
eV
);
//default
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emOptions.
SetMaxEnergy
(10*
GeV
);
//default
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emOptions.
SetDEDXBinning
(8*20);
//default=8*7
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emOptions.
SetLambdaBinning
(8*20);
//default=8*7
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//multiple coulomb scattering
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//
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emOptions.
SetMscStepLimitation
(
fUseDistanceToBoundary
);
//default=fUseSafety
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//energy loss
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//
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emOptions.
SetStepFunction
(0.2, 10*um);
//default=(0.2, 1*mm)
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//build CSDA range
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//
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emOptions.
SetBuildCSDARange
(
true
);
//default=false
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emOptions.
SetMaxEnergyForCSDARange
(10*
GeV
);
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emOptions.
SetDEDXBinningForCSDARange
(8*7);
//default=8*7
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}
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