/data/refman/pasoursint/CMSSW_5_3_3/src/SimG4Core/CustomPhysics/src/CustomPhysicsList.cc

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#include "SimG4Core/CustomPhysics/interface/CustomPhysicsList.h"
#include "SimG4Core/CustomPhysics/interface/CustomParticleFactory.h"
#include "SimG4Core/CustomPhysics/interface/DummyChargeFlipProcess.h"

#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/FileInPath.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include "G4Decay.hh"
#include "G4hMultipleScattering.hh"
#include "G4hIonisation.hh"
#include "G4ProcessManager.hh"

#include "G4LeptonConstructor.hh"
#include "G4MesonConstructor.hh"
#include "G4BaryonConstructor.hh"
#include "G4ShortLivedConstructor.hh"
#include "G4IonConstructor.hh"

#include "SimG4Core/CustomPhysics/interface/FullModelHadronicProcess.hh"
#include "SimG4Core/CustomPhysics/interface/ToyModelHadronicProcess.hh"
 

CustomPhysicsList::CustomPhysicsList(std::string name, const edm::ParameterSet & p)  :  G4VPhysicsConstructor(name) {
  
  myConfig = p;
  edm::FileInPath fp = p.getParameter<edm::FileInPath>("particlesDef");
  particleDefFilePath = fp.fullPath();
  edm::LogInfo("CustomPhysics")<<"Path for custom particle definition file: "<<particleDefFilePath;
  myHelper = 0;
  
 }

CustomPhysicsList::~CustomPhysicsList() {
  delete myHelper;
}
 
void CustomPhysicsList::ConstructParticle(){
  CustomParticleFactory::loadCustomParticles(particleDefFilePath);     
}
 
void CustomPhysicsList::ConstructProcess() {
  addCustomPhysics();
}
 
void CustomPhysicsList::addCustomPhysics(){
  LogDebug("CustomPhysics") << " CustomPhysics: adding CustomPhysics processes";
  theParticleIterator->reset();

  while((*theParticleIterator)())    {
    int i = 0;
    G4ParticleDefinition* particle = theParticleIterator->value();
    CustomParticle* cp = dynamic_cast<CustomParticle*>(particle);
    if(CustomParticleFactory::isCustomParticle(particle)) {
      LogDebug("CustomPhysics") << particle->GetParticleName()<<", "<<particle->GetPDGEncoding()
                                << " is Custom. Mass is "
                                <<particle->GetPDGMass()/GeV  <<" GeV.";
      if(cp->GetCloud()!=0) {
        LogDebug("CustomPhysics")<<"Cloud mass is "
                                 <<cp->GetCloud()->GetPDGMass()/GeV
                                 <<" GeV. Spectator mass is "
                                 <<static_cast<CustomParticle*>(particle)->GetSpectator()->GetPDGMass()/GeV
                                 <<" GeV.";
      }
      G4ProcessManager* pmanager = particle->GetProcessManager();
      if(pmanager) {
        if(cp!=0) {
          if(particle->GetParticleType()=="rhadron" || particle->GetParticleType()=="mesonino" || particle->GetParticleType() == "sbaryon"){
            if(!myHelper) myHelper = new G4ProcessHelper(myConfig);
            pmanager->AddDiscreteProcess(new FullModelHadronicProcess(myHelper)); //GHEISHA
          }
        }
        if(particle->GetPDGCharge()/eplus != 0) {
          pmanager->AddProcess(new G4hMultipleScattering,-1, 1,i+1);
          pmanager->AddProcess(new G4hIonisation,        -1, 2,i+2);
        }
      }
      else      LogDebug("CustomPhysics") << "   No pmanager";
    }
  }
}


void CustomPhysicsList::setupRHadronPhycis(G4ParticleDefinition* particle){

  //    LogDebug("CustomPhysics")<<"Configuring rHadron: "
  //    <<cp->

  CustomParticle* cp = dynamic_cast<CustomParticle*>(particle);
  if(cp->GetCloud()!=0) 
    LogDebug("CustomPhysics")<<"Cloud mass is "
                             <<cp->GetCloud()->GetPDGMass()/GeV
                             <<" GeV. Spectator mass is "
                             <<static_cast<CustomParticle*>(particle)->GetSpectator()->GetPDGMass()/GeV
                             <<" GeV.";
  
  G4ProcessManager* pmanager = particle->GetProcessManager();
  if(pmanager){
    if(!myHelper) myHelper = new G4ProcessHelper(myConfig);
    pmanager->AddDiscreteProcess(new FullModelHadronicProcess(myHelper)); //GHEISHA
    if(particle->GetPDGCharge()/eplus != 0){
      pmanager->AddProcess(new G4hMultipleScattering,-1, 1,1);
      pmanager->AddProcess(new G4hIonisation,        -1, 2,2);
    }
  }
  else      LogDebug("CustomPhysics") << "   No pmanager";
}
                                               

void CustomPhysicsList::setupSUSYPhycis(G4ParticleDefinition* particle){

//  CustomParticle* cp = dynamic_cast<CustomParticle*>(particle);
  G4ProcessManager* pmanager = particle->GetProcessManager();
  if(pmanager){
    pmanager->AddProcess(new G4Decay,1, 1,1);
    if(particle->GetPDGCharge()/eplus != 0){
      pmanager->AddProcess(new G4hMultipleScattering,-1, 2,2);
      pmanager->AddProcess(new G4hIonisation,        -1, 3,3);
    }
  }
  else      LogDebug("CustomPhysics") << "   No pmanager";
}