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This commit is contained in:
Gabriele Cosmo
2016-06-09 16:25:56 +02:00
parent 74cad5e589
commit 89a9605df1
4440 changed files with 379508 additions and 189225 deletions
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source/processes/hadronic/models/parton_string/hadronization/src/G4ExcitedStringDecay.cc
+108 -10
View File
@@ -60,8 +60,106 @@ int G4ExcitedStringDecay::operator!=(const G4ExcitedStringDecay &) const
return 1;
}
G4bool G4ExcitedStringDecay::
EnergyAndMomentumCorrector(G4KineticTrackVector* Output, G4LorentzVector& TotalCollisionMom)
G4KineticTrackVector *G4ExcitedStringDecay::FragmentString
(const G4ExcitedString &theString)
{
if ( theStringDecay == NULL )
theStringDecay=new G4LundStringFragmentation();
return theStringDecay->FragmentString(theString);
}
G4KineticTrackVector *G4ExcitedStringDecay::FragmentStrings
(const G4ExcitedStringVector * theStrings)
{
G4LorentzVector KTsum(0.,0.,0.,0.);
for ( unsigned int astring=0; astring < theStrings->size(); astring++)
{
KTsum+= theStrings->operator[](astring)->Get4Momentum();
if( !(KTsum.e()<1) && !(KTsum.e()>-1) )
{
throw G4HadronicException(__FILE__, __LINE__,
"G4ExcitedStringDecay::FragmentStrings received nan string...");
}
}
G4KineticTrackVector * theResult = new G4KineticTrackVector;
G4int attempts(0);
G4bool success=false;
do {
std::for_each(theResult->begin() , theResult->end() , DeleteKineticTrack());
theResult->clear();
attempts++;
G4LorentzVector KTsecondaries(0.,0.,0.,0.);
G4bool NeedEnergyCorrector=false;
for ( unsigned int astring=0; astring < theStrings->size(); astring++)
{
//G4cout<<G4endl<<"String No "<<astring+1<<" "<<theStrings->operator[](astring)->Get4Momentum().mag()<<G4endl;
G4KineticTrackVector * generatedKineticTracks = NULL;
if ( theStrings->operator[](astring)->IsExcited() )
{
generatedKineticTracks=FragmentString(*theStrings->operator[](astring));
} else {
generatedKineticTracks = new G4KineticTrackVector;
generatedKineticTracks->push_back(theStrings->operator[](astring)->GetKineticTrack());
}
if (generatedKineticTracks == NULL)
{
G4cerr << "G4VPartonStringModel:No KineticTracks produced" << G4endl;
continue;
}
G4LorentzVector KTsum1(0.,0.,0.,0.);
for ( unsigned int aTrack=0; aTrack<generatedKineticTracks->size();aTrack++)
{
//G4cout<<" Prod part "<<(*generatedKineticTracks)[aTrack]->GetDefinition()->GetParticleName()<<" "<<(*generatedKineticTracks)[aTrack]->Get4Momentum()<<G4endl;
theResult->push_back(generatedKineticTracks->operator[](aTrack));
KTsum1+= (*generatedKineticTracks)[aTrack]->Get4Momentum();
}
KTsecondaries+=KTsum1;
if ( KTsum1.e() > 0 && std::abs((KTsum1.e()-theStrings->operator[](astring)->Get4Momentum().e()) / KTsum1.e()) > perMillion )
{
//--debug-- G4cout << "String secondaries(" <<generatedKineticTracks->size()<< ") momentum: "
//--debug-- << theStrings->operator[](astring)->Get4Momentum() << " " << KTsum1 << G4endl;
NeedEnergyCorrector=true;
}
// clean up
delete generatedKineticTracks;
}
//--DEBUG G4cout << "Strings/secs total 4 momentum " << KTsum << " " <<KTsecondaries << G4endl;
success=true;
if ( NeedEnergyCorrector ) success=EnergyAndMomentumCorrector(theResult, KTsum);
} while(!success && (attempts < 100));
#ifdef debug_ExcitedStringDecay
G4LorentzVector KTsum1=0;
for ( unsigned int aTrack=0; aTrack<theResult->size();aTrack++)
{
G4cout << " corrected tracks .. " << (*theResult)[aTrack]->GetDefinition()->GetParticleName()
<<" " << (*theResult)[aTrack]->Get4Momentum() << G4endl;
KTsum1+= (*theResult)[aTrack]->Get4Momentum();
}
G4cout << "Needcorrector/success " << NeedEnergyCorrector << "/" << success << ", Corrected total 4 momentum " << KTsum1 << G4endl;
if ( ! success ) G4cout << "failed to correct E/p" << G4endl;
#endif
return theResult;
}
G4bool G4ExcitedStringDecay::EnergyAndMomentumCorrector
(G4KineticTrackVector* Output, G4LorentzVector& TotalCollisionMom)
{
const int nAttemptScale = 500;
const double ErrLimit = 1.E-5;
@@ -70,11 +168,14 @@ EnergyAndMomentumCorrector(G4KineticTrackVector* Output, G4LorentzVector& TotalC
G4LorentzVector SumMom;
G4double SumMass = 0;
G4double TotalCollisionMass = TotalCollisionMom.m();
if( !(TotalCollisionMass<1) && !(TotalCollisionMass>-1) )
{
std::cout << "TotalCollisionMomentum = "<<TotalCollisionMom<<G4endl;
throw G4HadronicException(__FILE__, __LINE__, "G4ExcitedStringDecay received nan mass...");
}
//G4cout<<G4endl<<"EnergyAndMomentumCorrector "<<Output->size()<<G4endl;
// Calculate sum hadron 4-momenta and summing hadron mass
unsigned int cHadron;
for(cHadron = 0; cHadron < Output->size(); cHadron++)
@@ -90,9 +191,12 @@ EnergyAndMomentumCorrector(G4KineticTrackVector* Output, G4LorentzVector& TotalC
throw G4HadronicException(__FILE__, __LINE__, "G4ExcitedStringDecay::EnergyAndMomentumCorrector() received nan mass...");
}
}
//G4cout<<"SumMass TotalCollisionMass "<<SumMass<<" "<<TotalCollisionMass<<G4endl;
// Cannot correct a single particle
if (Output->size() < 2) return FALSE;
if (SumMass > TotalCollisionMass) return FALSE;
SumMass = SumMom.m2();
if (SumMass < 0) return FALSE;
@@ -147,12 +251,6 @@ EnergyAndMomentumCorrector(G4KineticTrackVector* Output, G4LorentzVector& TotalC
// Compute c.m.s. interaction velocity and KTV back boost
Beta = TotalCollisionMom.boostVector();
Output->Boost(Beta);
/* // Uzhi
G4cout<<"Number of produced hadrons // correct E and P "<<Output->size()<<G4endl; // Uzhi
for(cHadron = 0; cHadron < Output->size(); cHadron++)
{
G4cout<<cHadron<<" "<<Output->operator[](cHadron)->Get4Momentum()<<" "<<Output->operator[](cHadron)->Get4Momentum().mag()<<Output->operator[](cHadron)->GetDefinition()->GetParticleName()<<G4endl;
}
*/ // Uzhi
return success;
}