mt01physicslist.bakcc

利用linux环境下蒙特卡罗计算工具geant4实现伽玛射线与探测器乘积能量的模拟过程

//
// ********************************************************************
// * DISCLAIMER                                                       *
// *                                                                  *
// * The following disclaimer summarizes all the specific disclaimers *
// * of contributors to this software. The specific disclaimers,which *
// * govern, are listed with their locations in:                      *
// *   http://cern.ch/geant4/license                                  *
// *                                                                  *
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// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.                                                             *
// *                                                                  *
// * This  code  implementation is the  intellectual property  of the *
// * GEANT4 collaboration.                                            *
// * By copying,  distributing  or modifying the Program (or any work *
// * based  on  the Program)  you indicate  your  acceptance of  this *
// * statement, and all its terms.                                    *
// ********************************************************************
//
//
// $Id: ExN01PhysicsList.cc,v 1.5 2002/01/09 17:23:48 ranjard Exp $
// GEANT4 tag $Name: geant4-07-00-patch-01 $
//
// 

#include "mt01PhysicsList.hh"
#include "G4ParticleTypes.hh"
#include "G4ProductionCutsTable.hh"
#include "G4ProcessManager.hh"
#include "globals.hh"

#include "G4ParticleDefinition.hh"
#include "G4ParticleWithCuts.hh"


#include "G4ParticleTable.hh"
#include "G4ios.hh"



mt01PhysicsList::mt01PhysicsList()
{defaultCutValue=0.001*mm;
 cutForGamma =defaultCutValue;
 cutForElectron=defaultCutValue;
 cutForProton=0.001*mm;
 G4double cutValue =0.001*mm;
 G4ProductionCuts *cuts=new G4ProductionCuts;
 cuts->SetProductionCut(cutValue);
}

mt01PhysicsList::~mt01PhysicsList()
{;}

void mt01PhysicsList::ConstructParticle()
{
  // In this method, static member functions should be called
  // for all particles which you want to use.
  // This ensures that objects of these particle types will be
  // created in the program. 

  G4Geantino::GeantinoDefinition();
  ConstructBosons();
  ConstructLeptons();
  ConstructMesons();
  ConstructBaryons();
  ConstructIons();
  
}
void mt01PhysicsList::ConstructBosons()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();
  G4ChargedGeantino::ChargedGeantinoDefinition();

  // gamma
  G4Gamma::GammaDefinition();
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void mt01PhysicsList::ConstructLeptons()
{
  // leptons
  //  e+/-
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  // mu+/-
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();
  // nu_e
  G4NeutrinoE::NeutrinoEDefinition();
  G4AntiNeutrinoE::AntiNeutrinoEDefinition();
  // nu_mu
  G4NeutrinoMu::NeutrinoMuDefinition();
  G4AntiNeutrinoMu::AntiNeutrinoMuDefinition();
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void mt01PhysicsList::ConstructIons()
{
//  Ions
 G4Alpha::AlphaDefinition();
}
void mt01PhysicsList::ConstructMesons()
{
  //  mesons
  //    light mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4PionZero::PionZeroDefinition();
  G4Eta::EtaDefinition();
  G4EtaPrime::EtaPrimeDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();
  G4KaonZero::KaonZeroDefinition();
  G4AntiKaonZero::AntiKaonZeroDefinition();
  G4KaonZeroLong::KaonZeroLongDefinition();
  G4KaonZeroShort::KaonZeroShortDefinition();
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void mt01PhysicsList::ConstructBaryons()
{
  //  barions
  G4Proton::ProtonDefinition();
  G4AntiProton::AntiProtonDefinition();

  G4Neutron::NeutronDefinition();
  G4AntiNeutron::AntiNeutronDefinition();
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void mt01PhysicsList::ConstructProcess()
{
  // Define transportation process

  AddTransportation();
  ConstructEM();
  ConstructGeneral();
 
 
}
#include "G4ComptonScattering.hh"
#include "G4GammaConversion.hh"
#include "G4PhotoElectricEffect.hh"

#include "G4MultipleScattering.hh"
#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"

#include "G4MuIonisation.hh"
#include "G4MuBremsstrahlung.hh"
#include "G4MuPairProduction.hh"

#include "G4hIonisation.hh"

#include "G4StepLimiter.hh"
#include "G4UserSpecialCuts.hh"

#include "G4LowEnergyCompton.hh"
#include "G4LowEnergyGammaConversion.hh"
#include "G4LowEnergyPhotoElectric.hh"
#include "G4LowEnergyRayleigh.hh"

// e+
#include "G4LowEnergyIonisation.hh"
#include "G4LowEnergyBremsstrahlung.hh"
#include "G4hLowEnergyIonisation.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void mt01PhysicsList::ConstructEM()
{
  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String particleName = particle->GetParticleName();
     
    if (particleName == "gamma") {
      // gamma         
       pmanager->AddDiscreteProcess(new G4LowEnergyCompton);
       pmanager->AddDiscreteProcess(new G4LowEnergyGammaConversion);
       LePeprocess = new G4LowEnergyPhotoElectric();

       LePeprocess->ActivateAuger(true);
      LePeprocess->SetCutForLowEnSecPhotons(0.0050 * keV);
       LePeprocess->SetCutForLowEnSecElectrons(0.0050 * keV);

      pmanager->AddDiscreteProcess(LePeprocess);

      pmanager->AddDiscreteProcess(new G4LowEnergyRayleigh("Rayleigh"));
      //pmanager->AddDiscreteProcess(new G4PhotoElectricEffect);
      //pmanager->AddDiscreteProcess(new G4ComptonScattering);
      //pmanager->AddDiscreteProcess(new G4GammaConversion);
      
    } else if (particleName == "e-") {
      //electron
      //pmanager->AddProcess(new G4MultipleScattering,-1, 1,1);
      //pmanager->AddProcess(new G4eIonisation,       -1, 2,2);
      //pmanager->AddProcess(new G4eBremsstrahlung,   -1, 3,3);
      //LeIoprocess = new G4LowEnergyIonisation("IONI");
     // LeIoprocess->ActivateAuger(true);
      //eIoProcess = new G4eIonisation("stdIONI");
      //LeIoprocess->SetCutForLowEnSecPhotons(0.1*keV);
      //LeIoprocess->SetCutForLowEnSecElectrons(0.1*keV);
     // pmanager->AddProcess(LeIoprocess, -1,  2, 2); 

     // LeBrprocess = new G4LowEnergyBremsstrahlung();
     // pmanager->AddProcess(LeBrprocess, -1, -1, 3);
     pmanager->AddProcess(new G4MultipleScattering,-1, 1,1);
      
      LeIoprocess = new G4LowEnergyIonisation("IONI");
      LeIoprocess->ActivateAuger(true);
      //eIoProcess = new G4eIonisation("stdIONI");
      LeIoprocess->SetCutForLowEnSecPhotons(0.1*keV);
      LeIoprocess->SetCutForLowEnSecElectrons(0.1*keV);
      pmanager->AddProcess(LeIoprocess, -1,  2, 2); 

      LeBrprocess = new G4LowEnergyBremsstrahlung();
      pmanager->AddProcess(LeBrprocess, -1, -1, 3);

    } else if (particleName == "e+") {
      //positron
      pmanager->AddProcess(new G4MultipleScattering,-1, 1,1);
      pmanager->AddProcess(new G4eIonisation,       -1, 2,2);
      pmanager->AddProcess(new G4eBremsstrahlung,   -1, 3,3);
      pmanager->AddProcess(new G4eplusAnnihilation,  0,-1,4);

    } else if( particleName == "mu+" || 
               particleName == "mu-"    ) {
      //muon  
      pmanager->AddProcess(new G4MultipleScattering,-1, 1,1);
      pmanager->AddProcess(new G4MuIonisation,      -1, 2,2);
      pmanager->AddProcess(new G4MuBremsstrahlung,  -1, 3,3);
      pmanager->AddProcess(new G4MuPairProduction,  -1, 4,4);       
     
    } else if ((!particle->IsShortLived()) &&
	       (particle->GetPDGCharge() != 0.0) && 
	       (particle->GetParticleName() != "chargedgeantino")) {
      //all others charged particles except geantino
      pmanager->AddProcess(new G4MultipleScattering,-1, 1,1);
      pmanager->AddProcess(new G4hIonisation,       -1, 2,2);
      ///pmanager->AddProcess(new G4StepLimiter,       -1,-1,3);         
      ///pmanager->AddProcess(new G4UserSpecialCuts,   -1,-1,4);  
    }
    else if (particleName == "proton") {
      //proton
      G4hLowEnergyIonisation* hIoni = new G4hLowEnergyIonisation;
      hIoni->SetFluorescence(true);
      pmanager->AddProcess(new G4MultipleScattering,-1,1,1);
      pmanager->AddProcess(hIoni,-1, 2,2);
    }
    else if (   particleName == "alpha" )
      {
	
	pmanager->AddProcess(new G4MultipleScattering,-1,1,1);
	G4hLowEnergyIonisation* iIon = new G4hLowEnergyIonisation() ;
	pmanager->AddProcess(iIon,-1,2,2);
      }
  }
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

#include "G4Decay.hh"
void mt01PhysicsList::ConstructGeneral()
{
  // Add Decay Process
  G4Decay* theDecayProcess = new G4Decay();
  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    if (theDecayProcess->IsApplicable(*particle)) { 
      pmanager ->AddProcess(theDecayProcess);
      // set ordering for PostStepDoIt and AtRestDoIt
      pmanager ->SetProcessOrdering(theDecayProcess, idxPostStep);
      pmanager ->SetProcessOrdering(theDecayProcess, idxAtRest);
    }
  }
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......





void mt01PhysicsList::SetCuts()
{
  // uppress error messages even in case e/gamma/proton do not exist            
  // G4int temp = GetVerboseLevel();  
  // SetVerboseLevel(0);                                                           
  //  " G4VUserPhysicsList::SetCutsWithDefault" method sets 
  //   the default cut value for all particle types 
  //  SetCutsWithDefault();   
  //G4double cutValue = 0.001 * mm;    
  //G4ProductionCuts* cuts = new G4ProductionCuts;
  //cuts->SetProductionCut(cutValue);
  // Retrieve verbose level
  //SetVerboseLevel(temp);  

  G4double defaultCutValue = 1*keV;
 
G4ProductionCutsTable::GetProductionCutsTable()->SetEnergyRange(250*eV,100*GeV);
  cutForGamma = defaultCutValue;
  cutForElectron = defaultCutValue;
  cutForProton    = defaultCutValue;
   SetCutValue(cutForGamma,"gamma");
   SetCutValue(cutForElectron,"e-");
   SetCutValue(cutForElectron,"e+");
   SetCutValue(cutForProton, "proton");
}