lars/geant4
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Import Geant4 11.1.0.beta source tree

Browse Source
This commit is contained in:
Gabriele Cosmo
2022-07-01 10:44:02 +02:00
parent b3bf75a2a1
commit c07cea1fe0
2172 changed files with 183300 additions and 123938 deletions
Download Patch File Download Diff File Expand all files Collapse all files
source/processes/hadronic/models/parton_string/diffraction/src/G4DiffractiveExcitation.cc
+49 -36
View File
@@ -71,7 +71,7 @@
//============================================================================
//#define debugFTFexictation
//#define debugFTFexcitation
//#define debug_heavyHadrons
//============================================================================
@@ -91,7 +91,7 @@ G4bool G4DiffractiveExcitation::ExciteParticipants( G4VSplitableHadron* proje
G4FTFParameters* theParameters,
G4ElasticHNScattering* theElastic ) const {
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << G4endl << "FTF ExciteParticipants --------------" << G4endl;
#endif
@@ -159,7 +159,7 @@ G4bool G4DiffractiveExcitation::ExciteParticipants( G4VSplitableHadron* proje
common.TargetNonDiffStateMinMass += 140.0*MeV;
}
};
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Proj Targ PDGcodes " << common.ProjectilePDGcode << " " << common.TargetPDGcode << G4endl
<< "Mprojectile Y " << common.Pprojectile.mag() << " " << ProjectileRapidity << G4endl // Uzhi Aug.2019
<< "M0projectile Y " << common.M0projectile << " " << ProjectileRapidity << G4endl;
@@ -179,7 +179,7 @@ G4bool G4DiffractiveExcitation::ExciteParticipants( G4VSplitableHadron* proje
common.Ptarget.transform( common.toCms );
G4double SumMasses = common.M0projectile + common.M0target; // + 220.0*MeV;
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "SqrtS " << common.SqrtS << G4endl << "M0pr M0tr SumM " << common.M0projectile
<< " " << common.M0target << " " << SumMasses << G4endl;
#endif
@@ -188,7 +188,7 @@ G4bool G4DiffractiveExcitation::ExciteParticipants( G4VSplitableHadron* proje
common.PZcms2 = ( sqr( common.S ) + sqr( common.M0projectile2 ) + sqr( common.M0target2 )
- 2.0 * ( common.S * ( common.M0projectile2 + common.M0target2 )
+ common.M0projectile2 * common.M0target2 ) ) / 4.0 / common.S;
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "PZcms2 after toBePutOnMassShell " << common.PZcms2 << G4endl;
#endif
if ( common.PZcms2 < 0.0 ) return false; // It can be in an interaction with off-shell nuclear nucleon
@@ -211,7 +211,7 @@ G4bool G4DiffractiveExcitation::ExciteParticipants( G4VSplitableHadron* proje
+ common.Ptarget.y() * common.Ptarget.y()
+ common.PZcms2 ) );
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Start --------------------" << G4endl << "Proj M0 Mdif Mndif " << common.M0projectile
<< " " << common.ProjectileDiffStateMinMass << " " << common.ProjectileNonDiffStateMinMass
<< G4endl
@@ -231,7 +231,7 @@ G4bool G4DiffractiveExcitation::ExciteParticipants( G4VSplitableHadron* proje
common.ProbTargetDiffraction =
theParameters->GetProcProb( 3, ProjectileRapidity - TargetRapidity );
common.ProbOfDiffraction = common.ProbProjectileDiffraction + common.ProbTargetDiffraction;
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Proc Probs " << QeNoExc << " " << QeExc << " "
<< common.ProbProjectileDiffraction << " " << common.ProbTargetDiffraction << G4endl
<< "ProjectileRapidity " << ProjectileRapidity << G4endl;
@@ -247,7 +247,7 @@ G4bool G4DiffractiveExcitation::ExciteParticipants( G4VSplitableHadron* proje
common.ProbProjectileDiffraction /= ( 1.0 - QeExc - QeNoExc );
common.ProbTargetDiffraction /= ( 1.0 - QeExc - QeNoExc );
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Proc Probs " << QeNoExc << " " << QeExc << " "
<< common.ProbProjectileDiffraction << " " << common.ProbTargetDiffraction << G4endl
<< "ProjectileRapidity " << ProjectileRapidity << G4endl;
@@ -266,7 +266,7 @@ G4bool G4DiffractiveExcitation::ExciteParticipants( G4VSplitableHadron* proje
} else if ( returnCode == 1 ) {
common.ProbOfDiffraction = common.ProbProjectileDiffraction + common.ProbTargetDiffraction;
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Excitation --------------------" << G4endl
<< "Proj M0 MdMin MndMin " << common.M0projectile << " "
<< common.ProjectileDiffStateMinMass << " " << common.ProjectileNonDiffStateMinMass
@@ -282,7 +282,7 @@ G4bool G4DiffractiveExcitation::ExciteParticipants( G4VSplitableHadron* proje
} else {
common.ProbProjectileDiffraction = 0.0;
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Prob: ProjDiff TargDiff + Sum " << common.ProbProjectileDiffraction << " "
<< common.ProbTargetDiffraction << " " << common.ProbOfDiffraction << G4endl;
#endif
@@ -306,7 +306,7 @@ G4bool G4DiffractiveExcitation::ExciteParticipants( G4VSplitableHadron* proje
// Transform back and update SplitableHadron Participant.
common.Pprojectile.transform( common.toLab );
common.Ptarget.transform( common.toLab );
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Mproj " << common.Pprojectile.mag() << G4endl << "Mtarg " << common.Ptarget.mag()
<< G4endl;
#endif
@@ -340,7 +340,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
G4ParticleDefinition* TestParticle = 0;
G4double MtestPr = 0.0, MtestTr = 0.0;
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Q exchange --------------------------" << G4endl;
#endif
@@ -364,7 +364,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
// Target unpacking
G4int TargQ1 = 0, TargQ2 = 0, TargQ3 = 0;
UnpackBaryon( common.TargetPDGcode, TargQ1, TargQ2, TargQ3 );
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Proj Quarks " << ProjQ1 << " " << ProjQ2 << " " << ProjQ3 << G4endl
<< "Targ Quarks " << TargQ1 << " " << TargQ2 << " " << TargQ3 << G4endl;
#endif
@@ -404,7 +404,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
isProjQ1Quark ? ProjQ1 = TargExchangeQ : ProjQ2 = TargExchangeQ;
}
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Exchanged Qs in Pr Tr " << ProjExchangeQ << " " << TargExchangeQ << G4endl;
#endif
@@ -442,7 +442,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
NewProjCode = aProjQ2*100 + aProjQ1*10 + 1;
}
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "NewProjCode " << NewProjCode << G4endl;
#endif
// Decide (with 50% probability) whether the projectile hadrons is excited,
@@ -486,7 +486,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
if ( Qquarks < 0 || ( Qquarks == 0 && aProjQ1 != aProjQ2 && aProjQ1%2 == 0 ) ) {
NewProjCode *= -1;
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "NewProjCode +2 or 0 " << NewProjCode << G4endl;
G4cout<<"+++++++++++++++++++++++++++++++++++++++"<<G4endl;
G4cout<<ProjQ1<<" "<<ProjQ2<<" "<<Qquarks<<G4endl;
@@ -500,7 +500,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
if ( common.SqrtS - common.M0target < common.MminProjectile ) continue;
MtestPr = common.BrW.SampleMass( TestParticle, TestParticle->GetPDGMass()
+ 5.0*TestParticle->GetPDGWidth() );
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "TestParticle Name " << NewProjCode << " " << TestParticle->GetParticleName()
<< G4endl
<< "MtestPart MtestPart0 "<<MtestPr<<" "<<TestParticle->GetPDGMass()<<G4endl
@@ -510,7 +510,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
// Targ
NewTargCode = NewNucleonId( TargQ1, TargQ2, TargQ3 );
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "New TrQ " << TargQ1 << " " << TargQ2 << " " << TargQ3 << G4endl
<< "NewTargCode " << NewTargCode << G4endl;
#endif
@@ -572,7 +572,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
TestParticle = G4ParticleTable::GetParticleTable()->FindParticle( NewTargCode );
if ( ! TestParticle ) continue;
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "New targ " << NewTargCode << " " << TestParticle->GetParticleName() << G4endl;
#endif
common.MminTarget = common.BrW.GetMinimumMass( TestParticle );
@@ -587,7 +587,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
if ( MtestPr >= common.Pprojectile.mag() || projectile->GetStatus() != 0 ) {
common.M0projectile = MtestPr;
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "M0projectile After check " << common.M0projectile << G4endl;
#endif
common.M0projectile2 = common.M0projectile * common.M0projectile;
@@ -597,7 +597,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
common.M0target = MtestTr;
}
common.M0target2 = common.M0target * common.M0target;
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "New targ M0 M0^2 " << common.M0target << " " << common.M0target2 << G4endl;
#endif
common.TargetDiffStateMinMass = common.M0target + 220.0*MeV; // 220 MeV=m_pi+80 MeV;
@@ -631,7 +631,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
} else {
exchangedQ = thirdQ;
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Exchange Qs isProjectile Q " << isProjectileExchangedQ << " " << exchangedQ << " ";
#endif
// The exchanged quarks (one of the projectile hadron and one of the target hadron)
@@ -670,7 +670,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
TargQ1 = firstQ; TargQ2 = secondQ; TargQ3 = thirdQ;
ProjQ1 = otherFirstQ; ProjQ2 = otherSecondQ; ProjQ3 = otherThirdQ;
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Exchange Qs Pr Tr " << ( isProjectileExchangedQ ? exchangedQ : otherExchangedQ )
<< " " << ( isProjectileExchangedQ ? otherExchangedQ : exchangedQ ) << G4endl;
#endif
@@ -718,7 +718,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
NewTargCode = newHadCode;
}
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "NewProjCode NewTargCode " << NewProjCode << " " << NewTargCode << G4endl;
#endif
@@ -859,7 +859,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
common.PZcms2 = ( sqr( common.S ) + sqr( common.M0projectile2 ) + sqr( common.M0target2 )
- 2.0 * ( common.S * ( common.M0projectile2 + common.M0target2 )
+ common.M0projectile2 * common.M0target2 ) ) / 4.0 / common.S;
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "At the end// NewProjCode " << NewProjCode << G4endl
<< "At the end// NewTargCode " << NewTargCode << G4endl
<< "M0pr M0tr SqS " << common.M0projectile << " " << common.M0target << " "
@@ -877,7 +877,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
common.Pprojectile.setE( std::sqrt( common.M0projectile2 + common.PZcms2 ) );
common.Ptarget.setPz( -common.PZcms );
common.Ptarget.setE( std::sqrt( common.M0target2 + common.PZcms2 ) );
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Proj Targ and Proj+Targ in CMS" << G4endl << common.Pprojectile << G4endl
<< common.Ptarget << G4endl << common.Pprojectile + common.Ptarget << G4endl;
#endif
@@ -891,7 +891,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
common.ProbOfDiffraction == 0.0 ) common.ProbExc = 0.0;
if ( G4UniformRand() > common.ProbExc ) { // Make elastic scattering
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Make elastic scattering of new hadrons" << G4endl;
#endif
common.Pprojectile.transform( common.toLab );
@@ -899,7 +899,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
projectile->Set4Momentum( common.Pprojectile );
target->Set4Momentum( common.Ptarget );
G4bool Result = theElastic->ElasticScattering( projectile, target, theParameters );
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Result of el. scatt " << Result << G4endl << "Proj Targ and Proj+Targ in Lab"
<< G4endl << projectile->Get4Momentum() << G4endl << target->Get4Momentum() << G4endl
<< projectile->Get4Momentum() + target->Get4Momentum() << " "
@@ -909,7 +909,7 @@ ExciteParticipants_doChargeExchange( G4VSplitableHadron* projectile,
return returnCode;
}
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Make excitation of new hadrons" << G4endl;
#endif
@@ -935,7 +935,7 @@ ExciteParticipants_doDiffraction( G4VSplitableHadron* projectile, G4VSplitableHa
G4bool isProjectileDiffraction = false;
if ( G4UniformRand() < common.ProbProjectileDiffraction ) { // projectile diffraction
isProjectileDiffraction = true;
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "projectile diffraction" << G4endl;
#endif
common.ProjMassT2 = common.ProjectileDiffStateMinMass2;
@@ -943,7 +943,7 @@ ExciteParticipants_doDiffraction( G4VSplitableHadron* projectile, G4VSplitableHa
common.TargMassT2 = common.M0target2;
common.TargMassT = common.M0target;
} else { // target diffraction
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Target diffraction" << G4endl;
#endif
common.ProjMassT2 = common.M0projectile2;
@@ -1041,7 +1041,7 @@ ExciteParticipants_doNonDiffraction( G4VSplitableHadron* projectile,
// Third of the three utility methods used only by ExciteParticipants:
// it does the sampling for the non-diffraction case.
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout << "Non-diffraction process" << G4endl;
#endif
@@ -1114,7 +1114,7 @@ ExciteParticipants_doNonDiffraction( G4VSplitableHadron* projectile,
common.Qplus = -( common.TPlusNew - common.Ptarget.plus() );
common.Qmomentum.setPz( (common.Qplus - common.Qminus)/2.0 );
common.Qmomentum.setE( (common.Qplus + common.Qminus)/2.0 );
#ifdef debugFTFexictation
#ifdef debugFTFexcitation
G4cout <<"Sampled: Mpr, MdifPr, Mtr, MdifTr "<<G4endl
<< ( common.Pprojectile + common.Qmomentum ).mag() << " "
<< common.ProjectileNonDiffStateMinMass << G4endl
@@ -1145,17 +1145,18 @@ void G4DiffractiveExcitation::CreateStrings( G4VSplitableHadron* hadron,
// << "Defin " << hadron->GetDefinition() << G4endl
// << "Defin " << hadron->GetDefinition()->GetPDGEncoding() << G4endl;
hadron->SplitUp();
G4bool HadronIsString = hadron->IsSplit();
if( ! HadronIsString ) hadron->SplitUp();
G4Parton* start = hadron->GetNextParton();
if ( start == NULL ) {
if ( start == nullptr ) {
G4cout << " G4FTFModel::String() Error: No start parton found" << G4endl;
FirstString = 0; SecondString = 0;
return;
}
G4Parton* end = hadron->GetNextParton();
if ( end == NULL ) {
if ( end == nullptr ) {
G4cout << " G4FTFModel::String() Error: No end parton found" << G4endl;
FirstString = 0; SecondString = 0;
return;
@@ -1165,6 +1166,18 @@ void G4DiffractiveExcitation::CreateStrings( G4VSplitableHadron* hadron,
// << G4endl
// << "Create string " << start->GetPDGcode() << " " << end->GetPDGcode() << G4endl;
if ( HadronIsString ) {
if ( isProjectile ) {
FirstString = new G4ExcitedString( end, start, +1 );
} else {
FirstString = new G4ExcitedString( end, start, -1 );
}
FirstString->SetTimeOfCreation( hadron->GetTimeOfCreation() );
FirstString->SetPosition( hadron->GetPosition() );
SecondString = 0;
return;
}
G4LorentzVector Phadron = hadron->Get4Momentum();
//G4cout << "String mom " << Phadron << G4endl;
G4LorentzVector Pstart( 0.0, 0.0, 0.0, 0.0 );
source/processes/hadronic/models/parton_string/diffraction/src/G4DiffractiveSplitableHadron.cc
+12 -9
View File
@@ -58,8 +58,9 @@ G4DiffractiveSplitableHadron::G4DiffractiveSplitableHadron()
G4DiffractiveSplitableHadron::G4DiffractiveSplitableHadron( const G4ReactionProduct& aPrimary ) :
G4VSplitableHadron( aPrimary )
{
PartonIndex = -2;
Parton[0] = NULL;
PartonIndex = -1;
Parton[0] = nullptr;
Parton[1] = nullptr;
}
@@ -68,8 +69,9 @@ G4DiffractiveSplitableHadron::G4DiffractiveSplitableHadron( const G4ReactionProd
G4DiffractiveSplitableHadron::G4DiffractiveSplitableHadron( const G4Nucleon& aNucleon ) :
G4VSplitableHadron( aNucleon )
{
PartonIndex = -2;
Parton[0] = NULL;
PartonIndex = -1;
Parton[0] = nullptr;
Parton[1] = nullptr;
}
@@ -78,8 +80,9 @@ G4DiffractiveSplitableHadron::G4DiffractiveSplitableHadron( const G4Nucleon& aNu
G4DiffractiveSplitableHadron::G4DiffractiveSplitableHadron( const G4VKineticNucleon* aNucleon ) :
G4VSplitableHadron( aNucleon )
{
PartonIndex = -2;
Parton[0] = NULL;
PartonIndex = -1;
Parton[0] = nullptr;
Parton[1] = nullptr;
}
@@ -95,7 +98,7 @@ void G4DiffractiveSplitableHadron::SplitUp() {
if ( IsSplit() ) return;
Splitting();
// Split once only...
if ( Parton[0] != NULL ) return;
if ( Parton[0] != nullptr ) return;
// flavours of quark ends
G4int PDGcode = GetDefinition()->GetPDGEncoding();
@@ -126,7 +129,7 @@ void G4DiffractiveSplitableHadron::SplitUp() {
G4Parton* G4DiffractiveSplitableHadron::GetNextParton() {
++PartonIndex;
if ( PartonIndex > 1 || PartonIndex < 0 ) return NULL;
if ( PartonIndex > 1 || PartonIndex < 0 ) return nullptr;
G4int PartonInd( PartonIndex );
if ( PartonIndex == 1 ) PartonIndex = -1;
return Parton[ PartonInd ];
@@ -137,7 +140,7 @@ G4Parton* G4DiffractiveSplitableHadron::GetNextParton() {
G4Parton* G4DiffractiveSplitableHadron::GetNextAntiParton() {
++PartonIndex;
if ( PartonIndex > 1 || PartonIndex < 0 ) return NULL;
if ( PartonIndex > 1 || PartonIndex < 0 ) return nullptr;
G4int PartonInd( PartonIndex );
if ( PartonIndex == 1 ) PartonIndex = -1;
return Parton[ PartonInd ];
source/processes/hadronic/models/parton_string/diffraction/src/G4FTFAnnihilation.cc
+84 -47
View File
@@ -135,7 +135,7 @@ G4bool G4FTFAnnihilation::Annihilate( G4VSplitableHadron* projectile,
common.RotateStrings = true;
common.RandomRotation.rotateZ( 2.0*pi*G4UniformRand() );
common.RandomRotation.rotateY( std::acos( 2.0*G4UniformRand() - 1.0 ) );
common.RandomRotation.rotateZ( 2.0*pi*G4UniformRand() ); //AR-Jun2018
common.RandomRotation.rotateZ( 2.0*pi*G4UniformRand() );
}
G4double MesonProdThreshold = projectile->GetDefinition()->GetPDGMass() +
@@ -232,6 +232,7 @@ G4bool G4FTFAnnihilation::Annihilate( G4VSplitableHadron* projectile,
G4cout << "Unknown anti-baryon for FTF annihilation: PDGcodes - "
<< ProjectilePDGcode << " " << TargetPDGcode << G4endl;
}
#ifdef debugFTFannih
G4cout << "Annih Actual X a b c d " << X_a << " " << X_b << " " << X_c << " " << X_d << G4endl;
#endif
@@ -276,6 +277,7 @@ G4bool G4FTFAnnihilation::Annihilate( G4VSplitableHadron* projectile,
return true;
}
//-----------------------------------------------------------------------
G4bool G4FTFAnnihilation::
@@ -313,13 +315,11 @@ Create3QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
for ( G4int iString = 0; iString < 3; ++iString ) { // Loop over the 3 string cases
if ( iString == 0 ) {
antiQuark = common.AQ[0]; quark = common.Q[0];
projectile->SplitUp();
projectile->SetFirstParton( antiQuark );
projectile->SetSecondParton( quark );
projectile->SetStatus( 0 );
} else if ( iString == 1 ) {
quark = common.Q[1]; antiQuark = common.AQ[1];
target->SplitUp();
target->SetFirstParton( quark );
target->SetSecondParton( antiQuark );
target->SetStatus( 0 );
@@ -363,7 +363,6 @@ Create3QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
theParameters->SetTarMinNonDiffMass( 0.5 );
} else { // iString == 2
AdditionalString->SetDefinition( TestParticle );
AdditionalString->SplitUp();
AdditionalString->SetFirstParton( common.AQ[2] );
AdditionalString->SetSecondParton( common.Q[2] );
AdditionalString->SetStatus( 0 );
@@ -406,16 +405,12 @@ Create3QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
// Sampling X's of anti-baryon and baryon
G4double WminusTarget = 0.0, WplusProjectile = 0.0;
G4double Alfa_R = 0.5; ScaleFactor = 1.0;
G4double Alfa_R = 0.5;
G4bool Success = true;
NumberOfTries = 0; loopCounter = 0;
do {
Success = true;
++NumberOfTries;
if ( NumberOfTries == 100*(NumberOfTries/100) ) {
// At large number of tries it would be better to reduce the values of Pt's
ScaleFactor /= 2.0;
}
G4double Alfa = 0.0, Beta = 0.0;
for ( G4int iCase = 0; iCase < 2; ++iCase ) { // anti-baryon (1st case), baryon (2nd case)
G4double x1 = 0.0, x2 = 0.0;
@@ -432,7 +427,7 @@ Create3QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
Quark_Mom[index].setZ( x1 ); Quark_Mom[index+1].setZ( x2 ); Quark_Mom[index+2].setZ( x3 );
for ( G4int i = 0; i < 3; ++i ) { // Loop over the 3 (anti-)quarks
if ( Quark_Mom[index+i].getZ() != 0.0 ) {
G4double val = ( ScaleFactor * ModMom2[index+i] + MassQ2 ) / Quark_Mom[index+i].getZ();
G4double val = ( ModMom2[index+i] + MassQ2 ) / Quark_Mom[index+i].getZ();
if ( iCase == 0 ) { // anti-baryon
Alfa += val;
} else { // baryon (iCase == 1)
@@ -458,7 +453,7 @@ Create3QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
return false;
}
G4double SqrtScaleF = std::sqrt( ScaleFactor );
G4double SqrtScaleF = 1.0;
for ( G4int iCase = 0; iCase < 2; ++iCase ) { // anti-baryon (1st case), baryon (2nd case)
G4int index = iCase*3; // 0 for anti-baryon, 3 for baryon
G4double w = WplusProjectile; // for anti-baryon
@@ -475,12 +470,12 @@ Create3QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
}
}
G4LorentzVector Pstring1, Pstring2, Pstring3;
G4int QuarkOrder[3] = { 0 };
G4double YstringMax = 0.0, YstringMin = 0.0;
for ( G4int i = 0; i < 3; ++i ) {
G4ThreeVector tmp = Quark_Mom[i] + Quark_Mom[i+3];
G4LorentzVector Pstring( tmp, std::sqrt( Quark_Mom[i].mag2() + MassQ2 ) +
std::sqrt( Quark_Mom[i+3].mag2() + MassQ2 ) );
//AR-Jun2018 if ( common.RotateStrings ) Pstring *= common.RandomRotation;
// Add protection for rapidity = 0.5*ln( (E+Pz)/(E-Pz) )
G4double Ystring = 0.0;
if ( Pstring.e() > 1.0e-30 ) {
@@ -495,41 +490,58 @@ Create3QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
}
// Keep ordering in rapidity: "1" highest, "2" middle, "3" smallest
if ( i == 0 ) {
Pstring1 = Pstring; YstringMax = Ystring;
Pstring1 = Pstring; YstringMax = Ystring;
QuarkOrder[0] = 0;
} else if ( i == 1 ) {
if ( Ystring > YstringMax ) {
Pstring2 = Pstring1; YstringMin = YstringMax;
Pstring1 = Pstring; YstringMax = Ystring;
Pstring2 = Pstring1; YstringMin = YstringMax;
Pstring1 = Pstring; YstringMax = Ystring;
QuarkOrder[0] = 1; QuarkOrder[1] = 0;
} else {
Pstring2 = Pstring; YstringMin = Ystring;
Pstring2 = Pstring; YstringMin = Ystring;
QuarkOrder[1] = 1;
}
} else { // i == 2
if ( Ystring > YstringMax ) {
Pstring3 = Pstring2;
Pstring2 = Pstring1;
Pstring1 = Pstring;
QuarkOrder[1] = QuarkOrder[0];
QuarkOrder[2] = QuarkOrder[1];
QuarkOrder[0] = 2;
} else if ( Ystring > YstringMin ) {
Pstring3 = Pstring2;
Pstring2 = Pstring;
} else {
Pstring3 = Pstring;
Pstring3 = Pstring;
QuarkOrder[2] = 2;
}
}
}
G4LorentzVector Quark_4Mom[6];
for ( G4int i = 0; i < 6; ++i ) {
Quark_4Mom[i] = G4LorentzVector( Quark_Mom[i], std::sqrt( Quark_Mom[i].mag2() + MassQ2 ) );
if ( common.RotateStrings ) Quark_4Mom[i] *= common.RandomRotation;
Quark_4Mom[i].transform( common.toLab );
}
projectile->Splitting();
projectile->GetNextAntiParton()->Set4Momentum( Quark_4Mom[QuarkOrder[0]] );
projectile->GetNextParton()->Set4Momentum( Quark_4Mom[QuarkOrder[0]+3] );
target->Splitting();
target->GetNextParton()->Set4Momentum( Quark_4Mom[QuarkOrder[2]] );
target->GetNextAntiParton()->Set4Momentum( Quark_4Mom[QuarkOrder[2]+3] );
AdditionalString->Splitting();
AdditionalString->GetNextAntiParton()->Set4Momentum( Quark_4Mom[QuarkOrder[1]] );
AdditionalString->GetNextParton()->Set4Momentum( Quark_4Mom[QuarkOrder[1]+3] );
common.Pprojectile = Pstring1; // Highest rapidity
common.Ptarget = Pstring3; // Lowest rapidity
G4LorentzVector LeftString( Pstring2 ); // Middle rapidity
if ( common.RotateStrings ) { //AR-Jun2018
common.Pprojectile *= common.RandomRotation;
LeftString *= common.RandomRotation;
common.Ptarget *= common.RandomRotation;
}
common.Pprojectile.transform( common.toLab );
LeftString.transform( common.toLab );
common.Ptarget.transform( common.toLab );
// Calculation of the creation time
// Creation time and position of target nucleon were determined in ReggeonCascade() of G4FTFModel
projectile->SetTimeOfCreation( target->GetTimeOfCreation() );
@@ -540,6 +552,7 @@ Create3QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
projectile->Set4Momentum( common.Pprojectile );
AdditionalString->Set4Momentum( LeftString );
target->Set4Momentum( common.Ptarget );
projectile->IncrementCollisionCount( 1 );
AdditionalString->IncrementCollisionCount( 1 );
target->IncrementCollisionCount( 1 );
@@ -547,6 +560,7 @@ Create3QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
return true;
}
//-----------------------------------------------------------------------
G4int G4FTFAnnihilation::
@@ -605,19 +619,25 @@ Create1DiquarkAntiDiquarkString( G4VSplitableHadron* projectile,
}
// Set the string properties
projectile->SplitUp();
projectile->SetFirstParton( DQ );
projectile->SetSecondParton( Anti_DQ );
G4LorentzVector Pquark = G4LorentzVector( 0.0, 0.0, common.SqrtS/2.0, common.SqrtS/2.0 );
G4LorentzVector Paquark = G4LorentzVector( 0.0, 0.0, -common.SqrtS/2.0, common.SqrtS/2.0 );
if ( common.RotateStrings ) {
G4LorentzVector Pquark = G4LorentzVector( 0.0, 0.0, common.SqrtS/2.0, common.SqrtS/2.0 );
Pquark *= common.RandomRotation;
G4LorentzVector Paquark = G4LorentzVector( 0.0, 0.0, -common.SqrtS/2.0, common.SqrtS/2.0 );
Paquark *= common.RandomRotation;
Pquark.transform( common.toLab ); projectile->GetNextParton()->Set4Momentum( Pquark );
Paquark.transform( common.toLab ); projectile->GetNextAntiParton()->Set4Momentum( Paquark );
}
Pquark.transform( common.toLab );
Paquark.transform( common.toLab );
projectile->GetNextParton()->Set4Momentum( Pquark );
projectile->GetNextAntiParton()->Set4Momentum( Paquark );
projectile->Splitting();
projectile->SetStatus( 0 );
target->SetStatus( 4 ); // The target nucleon has annihilated 3->4
common.Pprojectile.setPx( 0.0 );
@@ -631,6 +651,7 @@ Create1DiquarkAntiDiquarkString( G4VSplitableHadron* projectile,
projectile->SetTimeOfCreation( target->GetTimeOfCreation() );
projectile->SetPosition( target->GetPosition() );
projectile->Set4Momentum( common.Pprojectile );
projectile->IncrementCollisionCount( 1 );
target->IncrementCollisionCount( 1 );
@@ -640,6 +661,7 @@ Create1DiquarkAntiDiquarkString( G4VSplitableHadron* projectile,
return 1; // Successfully ended, but the work is not over
}
//-----------------------------------------------------------------------
G4int G4FTFAnnihilation::
@@ -697,13 +719,11 @@ Create2QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
for ( G4int iString = 0; iString < 2; ++iString ) { // Loop over the 2 string cases
if ( iString == 0 ) {
antiQuark = LeftAQ1; quark = LeftQ1;
projectile->SplitUp();
projectile->SetFirstParton( antiQuark );
projectile->SetSecondParton( quark );
projectile->SetStatus( 0 );
} else { // iString == 1
quark = LeftQ2; antiQuark = LeftAQ2;
target->SplitUp();
target->SetFirstParton( quark );
target->SetSecondParton( antiQuark );
target->SetStatus( 0 );
@@ -784,10 +804,6 @@ Create2QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
do {
Success = true;
++NumberOfTries;
if ( NumberOfTries == 100*(NumberOfTries/100) ) {
// At large number of tries it would be better to reduce the values of Pt's
ScaleFactor /= 2.0;
}
G4double Alfa = 0.0, Beta = 0.0;
for ( G4int iCase = 0; iCase < 2; ++iCase ) { // Loop over the two strings
G4double x = 0.0, r = G4UniformRand();
@@ -804,7 +820,7 @@ Create2QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
Quark_Mom[index].setZ( x ); Quark_Mom[index+1].setZ( 1.0 - x );
for ( G4int i = 0; i < 2; ++i ) {
if ( Quark_Mom[i].getZ() != 0.0 ) {
G4double val = ( ScaleFactor * ModMom2[index+i] + MassQ2 ) / Quark_Mom[index+i].getZ();
G4double val = ( ModMom2[index+i] + MassQ2 ) / Quark_Mom[index+i].getZ();
if ( iCase == 0 ) { // first string
Alfa += val;
} else { // second string
@@ -830,9 +846,7 @@ Create2QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
return 99; // unsuccessfully ended, nothing else can be done
}
G4double SqrtScaleF = std::sqrt( ScaleFactor );
G4LorentzVector Pstring1, Pstring2;
G4double Ystring1 = 0.0, Ystring2 = 0.0;
G4double SqrtScaleF = 1.0;
for ( G4int iCase = 0; iCase < 2; ++iCase ) { // Loop over the two strings
G4int index = iCase*2; // 0 for the first string, 2 for the second string
for ( G4int i = 0; i < 2; ++i ) {
@@ -848,11 +862,15 @@ Create2QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
}
}
}
G4int QuarkOrder[2];
G4LorentzVector Pstring1, Pstring2;
G4double Ystring1 = 0.0, Ystring2 = 0.0;
for ( G4int iCase = 0; iCase < 2; ++iCase ) { // Loop over the two strings
G4ThreeVector tmp = Quark_Mom[iCase] + Quark_Mom[iCase+2];
G4LorentzVector Pstring( tmp, std::sqrt( Quark_Mom[iCase].mag2() + MassQ2 ) +
std::sqrt( Quark_Mom[iCase+2].mag2() + MassQ2 ) );
//AR-Jun2018 if ( common.RotateStrings ) Pstring *= common.RandomRotation;
// Add protection for rapidity = 0.5*ln( (E+Pz)/(E-Pz) )
G4double Ystring = 0.0;
if ( Pstring.e() > 1.0e-30 ) {
@@ -873,11 +891,28 @@ Create2QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
}
if ( Ystring1 > Ystring2 ) {
common.Pprojectile = Pstring1; common.Ptarget = Pstring2;
QuarkOrder[0] = 0; QuarkOrder[1] = 1;
} else {
common.Pprojectile = Pstring2; common.Ptarget = Pstring1;
QuarkOrder[0] = 1; QuarkOrder[1] = 0;
}
if ( common.RotateStrings ) { //AR-Jun2018
G4LorentzVector Quark_4Mom[4];
for ( G4int i = 0; i < 4; ++i ) {
Quark_4Mom[i] = G4LorentzVector( Quark_Mom[i], std::sqrt( Quark_Mom[i].mag2() + MassQ2 ) );
if ( common.RotateStrings ) Quark_4Mom[i] *= common.RandomRotation;
Quark_4Mom[i].transform( common.toLab );
}
projectile->Splitting();
projectile->GetNextAntiParton()->Set4Momentum( Quark_4Mom[QuarkOrder[0]] );
projectile->GetNextParton()->Set4Momentum( Quark_4Mom[QuarkOrder[0]+2] );
target->Splitting();
target->GetNextParton()->Set4Momentum( Quark_4Mom[QuarkOrder[1]] );
target->GetNextAntiParton()->Set4Momentum( Quark_4Mom[QuarkOrder[1]+2] );
if ( common.RotateStrings ) {
common.Pprojectile *= common.RandomRotation;
common.Ptarget *= common.RandomRotation;
}
@@ -891,6 +926,7 @@ Create2QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
projectile->SetPosition( target->GetPosition() );
projectile->Set4Momentum( common.Pprojectile );
target->Set4Momentum( common.Ptarget );
projectile->IncrementCollisionCount( 1 );
target->IncrementCollisionCount( 1 );
@@ -900,6 +936,7 @@ Create2QuarkAntiQuarkStrings( G4VSplitableHadron* projectile,
return 1; // Successfully ended, but the work is not over
}
//-----------------------------------------------------------------------
G4bool G4FTFAnnihilation::
@@ -954,7 +991,6 @@ Create1QuarkAntiQuarkString( G4VSplitableHadron* projectile,
LeftQ = common.Q[ CandQ[SampledCase] ];
// Set the string properties
projectile->SplitUp();
projectile->SetFirstParton( LeftQ );
projectile->SetSecondParton( LeftAQ );
projectile->SetStatus( 0 );
@@ -997,7 +1033,6 @@ Create1QuarkAntiQuarkString( G4VSplitableHadron* projectile,
common.Pprojectile.setPy( 0.0 );
common.Pprojectile.setPz( 0.0 );
common.Pprojectile.setE( common.SqrtS );
common.Pprojectile.transform( common.toLab );
G4LorentzVector Pquark = G4LorentzVector( 0.0, 0.0, common.SqrtS/2.0, common.SqrtS/2.0 );
G4LorentzVector Paquark = G4LorentzVector( 0.0, 0.0, -common.SqrtS/2.0, common.SqrtS/2.0 );
@@ -1007,11 +1042,14 @@ Create1QuarkAntiQuarkString( G4VSplitableHadron* projectile,
Pquark.transform(common.toLab); projectile->GetNextParton()->Set4Momentum(Pquark);
Paquark.transform(common.toLab); projectile->GetNextAntiParton()->Set4Momentum(Paquark);
projectile->Splitting();
// Calculation of the creation time
// Creation time and position of target nucleon were determined in ReggeonCascade() of G4FTFModel
projectile->SetTimeOfCreation( target->GetTimeOfCreation() );
projectile->SetPosition( target->GetPosition() );
projectile->Set4Momentum( common.Pprojectile );
projectile->IncrementCollisionCount( 1 );
target->IncrementCollisionCount( 1 );
@@ -1092,4 +1130,3 @@ G4bool G4FTFAnnihilation::operator!=( const G4FTFAnnihilation& ) const {
throw G4HadronicException( __FILE__, __LINE__,
"G4DiffractiveExcitation != operator not meant to be called" );
}
source/processes/hadronic/models/parton_string/diffraction/src/G4FTFParameters.cc
+4 -1
View File
@@ -52,6 +52,7 @@
#include "G4Pow.hh"
#include "G4HadronicDeveloperParameters.hh"
#include "G4HadronicParameters.hh"
//============================================================================
@@ -69,6 +70,8 @@ G4FTFParameters::G4FTFParameters()
csGGinstance = new G4ComponentGGHadronNucleusXsc();
}
EnableDiffDissociationForBGreater10 = G4HadronicParameters::Instance()->EnableDiffDissociationForBGreater10();
// Set parameters of a string kink
SetPt2Kink( 0.0*GeV*GeV ); // To switch off kinky strings (bad results obtained with 6.0*GeV*GeV)
G4double Puubar( 1.0/3.0 ), Pddbar( 1.0/3.0 ), Pssbar( 1.0/3.0 ); // SU(3) symmetry
@@ -427,7 +430,7 @@ void G4FTFParameters::InitForInteraction( const G4ParticleDefinition* particle,
SetParams( 4, 0.0, 0.0 ,0.0, 0.0 , 0.0, 0.0 , 0.0);
}
if ( AbsProjectileBaryonNumber > 10 || NumberOfTargetNucleons > 10 ) {
if ( (AbsProjectileBaryonNumber > 10 || NumberOfTargetNucleons > 10) && !EnableDiffDissociationForBGreater10 ) {
//
// It is not decided what to do with diffraction dissociation in Had-Nucl and Nucl-Nucl interactions
// For the moment both ProjDiffDisso & TgtDiffDisso for A > 10 are set to false,