CMSSIMPInelasticProcess Class Reference

#include <CMSSIMPInelasticProcess.h>

Inheritance diagram for CMSSIMPInelasticProcess:

Public Member Functions
	CMSSIMPInelasticProcess (const CMSSIMPInelasticProcess &)=delete
	CMSSIMPInelasticProcess (const G4String &processName="SIMPInelastic")
G4bool	IsApplicable (const G4ParticleDefinition &aParticleType) override
CMSSIMPInelasticProcess &	operator= (const CMSSIMPInelasticProcess &right)=delete
G4VParticleChange *	PostStepDoIt (const G4Track &aTrack, const G4Step &aStep) override
	~CMSSIMPInelasticProcess () override

Private Attributes
G4ParticleDefinition *	theParticle

Detailed Description

Definition at line 8 of file CMSSIMPInelasticProcess.h.

Constructor & Destructor Documentation

CMSSIMPInelasticProcess() [1/2]

CMSSIMPInelasticProcess::CMSSIMPInelasticProcess

(

const G4String &

processName = "SIMPInelastic"

)

Definition at line 24 of file CMSSIMPInelasticProcess.cc.

    : G4HadronicProcess(processName, fHadronic) {
  AddDataSet(new CMSSIMPInelasticXS());
  theParticle = CMSSIMP::SIMP();
}

References CMSSIMP::SIMP(), and theParticle.

~CMSSIMPInelasticProcess()

CMSSIMPInelasticProcess::~CMSSIMPInelasticProcess ( )

override

Definition at line 30 of file CMSSIMPInelasticProcess.cc.

{}

CMSSIMPInelasticProcess() [2/2]

CMSSIMPInelasticProcess::CMSSIMPInelasticProcess ( const CMSSIMPInelasticProcess &  )

delete

Member Function Documentation

IsApplicable()

G4bool CMSSIMPInelasticProcess::IsApplicable ( const G4ParticleDefinition &  aParticleType )

override

Definition at line 32 of file CMSSIMPInelasticProcess.cc.

                                                                           {
  return theParticle->GetParticleType() == aP.GetParticleType();
}

References theParticle.

operator=()

CMSSIMPInelasticProcess& CMSSIMPInelasticProcess::operator= ( const CMSSIMPInelasticProcess &  right )

delete

PostStepDoIt()

G4VParticleChange * CMSSIMPInelasticProcess::PostStepDoIt ( const G4Track &  aTrack, const G4Step &  aStep  )

override

Definition at line 36 of file CMSSIMPInelasticProcess.cc.

                                                                                             {
  // if primary is not Alive then do nothing
  theTotalResult->Clear();
  theTotalResult->Initialize(aTrack);
  theTotalResult->ProposeWeight(aTrack.GetWeight());
  if (aTrack.GetTrackStatus() != fAlive) {
    return theTotalResult;
  }
 
  // Find cross section at end of step and check if <= 0
  //
  G4DynamicParticle* aParticle = const_cast<G4DynamicParticle*>(aTrack.GetDynamicParticle());
 
  // change this SIMP particle in a neutron
  aParticle->SetPDGcode(2112);
  aParticle->SetDefinition(G4Neutron::Neutron());
 
  G4Nucleus* target = GetTargetNucleusPointer();
  const G4Material* aMaterial = aTrack.GetMaterial();
  const G4Element* anElement = GetCrossSectionDataStore()->SampleZandA(aParticle, aMaterial, *target);
 
  // Next check for illegal track status
  //
  if (aTrack.GetTrackStatus() != fAlive && aTrack.GetTrackStatus() != fSuspend) {
    if (aTrack.GetTrackStatus() == fStopAndKill || aTrack.GetTrackStatus() == fKillTrackAndSecondaries ||
        aTrack.GetTrackStatus() == fPostponeToNextEvent) {
      G4ExceptionDescription ed;
      ed << "CMSSIMPInelasticProcess: track in unusable state - " << aTrack.GetTrackStatus() << G4endl;
      ed << "CMSSIMPInelasticProcess: returning unchanged track " << G4endl;
      DumpState(aTrack, "PostStepDoIt", ed);
      G4Exception("CMSSIMPInelasticProcess::PostStepDoIt", "had004", JustWarning, ed);
    }
    // No warning for fStopButAlive which is a legal status here
    return theTotalResult;
  }
 
  // Initialize the hadronic projectile from the track
  thePro.Initialise(aTrack);
  G4HadronicInteraction* anInteraction = GetHadronicInteractionList()[0];
 
  G4HadFinalState* result = nullptr;
  G4int reentryCount = 0;
 
  do {
    try {
      // Call the interaction
      result = anInteraction->ApplyYourself(thePro, *target);
      ++reentryCount;
    } catch (G4HadronicException& aR) {
      G4ExceptionDescription ed;
      aR.Report(ed);
      ed << "Call for " << anInteraction->GetModelName() << G4endl;
      ed << "Target element " << anElement->GetName() << "  Z= " << target->GetZ_asInt()
         << "  A= " << target->GetA_asInt() << G4endl;
      DumpState(aTrack, "ApplyYourself", ed);
      ed << " ApplyYourself failed" << G4endl;
      G4Exception("CMSSIMPInelasticProcess::PostStepDoIt", "had006", FatalException, ed);
    }
 
    // Check the result for catastrophic energy non-conservation
    result = CheckResult(thePro, *target, result);
    if (reentryCount > 100) {
      G4ExceptionDescription ed;
      ed << "Call for " << anInteraction->GetModelName() << G4endl;
      ed << "Target element " << anElement->GetName() << "  Z= " << target->GetZ_asInt()
         << "  A= " << target->GetA_asInt() << G4endl;
      DumpState(aTrack, "ApplyYourself", ed);
      ed << " ApplyYourself does not completed after 100 attempts" << G4endl;
      G4Exception("CMSSIMPInelasticProcess::PostStepDoIt", "had006", FatalException, ed);
    }
  } while (!result);
  // Check whether kaon0 or anti_kaon0 are present between the secondaries:
  // if this is the case, transform them into either kaon0S or kaon0L,
  // with equal, 50% probability, keeping their dynamical masses (and
  // the other kinematical properties).
  // When this happens - very rarely - a "JustWarning" exception is thrown.
  G4int nSec = result->GetNumberOfSecondaries();
  if (nSec > 0) {
    for (G4int i = 0; i < nSec; ++i) {
      G4DynamicParticle* dynamicParticle = result->GetSecondary(i)->GetParticle();
      const G4ParticleDefinition* particleDefinition = dynamicParticle->GetParticleDefinition();
      if (particleDefinition == G4KaonZero::Definition() || particleDefinition == G4AntiKaonZero::Definition()) {
        G4ParticleDefinition* newPart;
        if (G4UniformRand() > 0.5) {
          newPart = G4KaonZeroShort::Definition();
        } else {
          newPart = G4KaonZeroLong::Definition();
        }
        dynamicParticle->SetDefinition(newPart);
        G4ExceptionDescription ed;
        ed << " Hadronic model " << anInteraction->GetModelName() << G4endl;
        ed << " created " << particleDefinition->GetParticleName() << G4endl;
        ed << " -> forced to be " << newPart->GetParticleName() << G4endl;
        G4Exception("G4HadronicProcess::PostStepDoIt", "had007", JustWarning, ed);
      }
    }
  }
 
  result->SetTrafoToLab(thePro.GetTrafoToLab());
 
  ClearNumberOfInteractionLengthLeft();
 
  FillResult(result, aTrack);
 
  return theTotalResult;
}

References mps_fire::i, mps_fire::result, and filterCSVwithJSON::target.

Member Data Documentation

theParticle

G4ParticleDefinition* CMSSIMPInelasticProcess::theParticle

private

Definition at line 23 of file CMSSIMPInelasticProcess.h.

Referenced by CMSSIMPInelasticProcess(), and IsApplicable().