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This commit is contained in:
Gabriele Cosmo
2018-06-29 10:58:11 +02:00
parent fe81a77428
commit 6aa23be517
1581 changed files with 124288 additions and 83758 deletions
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source/processes/hadronic/models/parton_string/hadronization/src/G4HadronBuilder.cc
+54 -50
View File
@@ -24,7 +24,7 @@
// ********************************************************************
//
//
// $Id: G4HadronBuilder.cc 106967 2017-10-31 08:41:49Z gcosmo $
// $Id: G4HadronBuilder.cc 107968 2017-12-14 13:16:35Z gcosmo $
//
// -----------------------------------------------------------------------------
// GEANT 4 class implementation file
@@ -55,16 +55,16 @@ G4ParticleDefinition * G4HadronBuilder::Build(G4ParticleDefinition * black, G4Pa
if (black->GetParticleSubType()== "di_quark" || white->GetParticleSubType()== "di_quark" ) {
// Baryon
// Barion
Spin spin = (G4UniformRand() < barionSpinMix) ? SpinHalf : SpinThreeHalf;
return Barion(black,white,spin);
} else {
// Meson
// Meson
Spin spin = (G4UniformRand() < mesonSpinMix) ? SpinZero : SpinOne;
return Meson(black,white,spin);
}
}
@@ -75,9 +75,9 @@ G4ParticleDefinition * G4HadronBuilder::BuildLowSpin(G4ParticleDefinition * blac
if ( black->GetParticleSubType()== "quark" && white->GetParticleSubType()== "quark" ) {
return Meson(black,white, SpinZero);
} else {
// will return a SpinThreeHalf Baryon if all quarks the same
// will return a SpinThreeHalf Barion if all quarks the same
return Barion(black,white, SpinHalf);
}
}
}
//-------------------------------------------------------------------------
@@ -96,33 +96,35 @@ G4ParticleDefinition * G4HadronBuilder::BuildHighSpin(G4ParticleDefinition * bla
G4ParticleDefinition * G4HadronBuilder::Meson(G4ParticleDefinition * black,
G4ParticleDefinition * white, Spin theSpin)
{
#ifdef G4VERBOSE
// Verify Input Charge
G4double charge = black->GetPDGCharge() + white->GetPDGCharge();
if (std::abs(charge) > 2 || std::abs(3.*charge - 3*G4int(charge*1.001)) > perCent ) // 1.001 to avoid int(.9999) -> 0
{
#ifdef G4VERBOSE
// Verify Input Charge
G4double charge = black->GetPDGCharge()
+ white->GetPDGCharge();
if (std::abs(charge) > 2 || std::abs(3.*charge - 3*G4int(charge*1.001)) > perCent ) // 1.001 to avoid int(.9999) -> 0
{
G4cerr << " G4HadronBuilder::Build()" << G4endl;
G4cerr << " Invalid total charge found for on input: "
<< charge<< G4endl;
<< charge<< G4endl;
G4cerr << " PGDcode input quark1/quark2 : " <<
black->GetPDGEncoding() << " / "<<
white->GetPDGEncoding() << G4endl;
G4cerr << G4endl;
}
#endif
}
#endif
G4int id1= black->GetPDGEncoding();
G4int id2= white->GetPDGEncoding();
//G4int ifl1= std::max(std::abs(id1), std::abs(id2));
// G4int ifl1= std::max(std::abs(id1), std::abs(id2));
if ( std::abs(id1) < std::abs(id2) )
{
{
G4int xchg = id1;
id1 = id2;
id2 = xchg;
}
}
if (std::abs(id1) > 3 )
throw G4HadronicException(__FILE__, __LINE__, "G4HadronBuilder::Meson : Illegal Quark content as input");
throw G4HadronicException(__FILE__, __LINE__, "G4HadronBuilder::Meson : Illegal Quark content as input");
G4int PDGEncoding=0;
@@ -145,11 +147,10 @@ G4ParticleDefinition * G4HadronBuilder::Meson(G4ParticleDefinition * black,
if( (IsUp && IsAnti ) || (!IsUp && !IsAnti ) )
PDGEncoding = - PDGEncoding;
}
G4ParticleDefinition * MesonDef=
G4ParticleTable::GetParticleTable()->FindParticle(PDGEncoding);
#ifdef G4VERBOSE
#ifdef G4VERBOSE
if (MesonDef == 0 ) {
G4cerr << " G4HadronBuilder - Warning: No particle for PDGcode= "
<< PDGEncoding << G4endl;
@@ -162,38 +163,39 @@ G4ParticleDefinition * G4HadronBuilder::Meson(G4ParticleDefinition * black,
<< " resulting Hadron " << MesonDef->GetParticleName()
<< G4endl;
}
#endif
#endif
return MesonDef;
}
G4ParticleDefinition * G4HadronBuilder::Barion(G4ParticleDefinition * black,
G4ParticleDefinition * white,Spin theSpin)
G4ParticleDefinition * white,Spin theSpin)
{
#ifdef G4VERBOSE
// Verify Input Charge
G4double charge = black->GetPDGCharge() + white->GetPDGCharge();
if (std::abs(charge) > 2 || std::abs(3.*charge - 3*G4int(charge*1.001)) > perCent )
#ifdef G4VERBOSE
// Verify Input Charge
G4double charge = black->GetPDGCharge()
+ white->GetPDGCharge();
if (std::abs(charge) > 2 || std::abs(3.*charge - 3*G4int(charge*1.001)) > perCent )
{
G4cerr << " G4HadronBuilder::Build()" << G4endl;
G4cerr << " Invalid total charge found for on input: " << charge<< G4endl;
G4cerr << " Invalid total charge found for on input: "
<< charge<< G4endl;
G4cerr << " PGDcode input quark1/quark2 : " <<
black->GetPDGEncoding() << " / "<<
white->GetPDGEncoding() << G4endl;
G4cerr << G4endl;
}
#endif
#endif
G4int id1= black->GetPDGEncoding();
G4int id2= white->GetPDGEncoding();
if ( std::abs(id1) < std::abs(id2) )
{
{
G4int xchg = id1;
id1 = id2;
id2 = xchg;
}
}
if (std::abs(id1) < 1000 || std::abs(id2) > 3 )
throw G4HadronicException(__FILE__, __LINE__, "G4HadronBuilder::Barion: Illegal quark content as input");
@@ -203,10 +205,10 @@ G4ParticleDefinition * G4HadronBuilder::Barion(G4ParticleDefinition * black,
G4int diquarkSpin = std::abs(id1)%10;
G4int ifl3 = id2;
if (id1 < 0)
{
{
ifl1 = - ifl1;
ifl2 = - ifl2;
}
}
//... Construct barion, distinguish Lambda and Sigma barions.
G4int kfla = std::abs(ifl1);
G4int kflb = std::abs(ifl2);
@@ -224,10 +226,10 @@ G4ParticleDefinition * G4HadronBuilder::Barion(G4ParticleDefinition * black,
G4int kfll = 0;
if(theSpin == SpinHalf && kfld > kfle && kfle > kflf) {
// Spin J=1/2 and all three quarks different
// Two states exist: (uds -> lambda or sigma0)
// - lambda: s(ud)0 s : 3122; ie. reverse the two lighter quarks
// - sigma0: s(ud)1 s : 3212
// Spin J=1/2 and all three quarks different
// Two states exist: (uds -> lambda or sigma0)
// - lambda: s(ud)0 s : 3122; ie. reverse the two lighter quarks
// - sigma0: s(ud)1 s : 3212
if(diquarkSpin == 1 ) {
if ( kfla == kfld) { // heaviest quark in diquark
kfll = 1;
@@ -240,29 +242,31 @@ G4ParticleDefinition * G4HadronBuilder::Barion(G4ParticleDefinition * black,
}
G4int PDGEncoding;
if (kfll == 1) PDGEncoding = 1000 * kfld + 100 * kflf + 10 * kfle + theSpin;
else PDGEncoding = 1000 * kfld + 100 * kfle + 10 * kflf + theSpin;
if (kfll == 1)
PDGEncoding = 1000 * kfld + 100 * kflf + 10 * kfle + theSpin;
else
PDGEncoding = 1000 * kfld + 100 * kfle + 10 * kflf + theSpin;
if (id1 < 0)
PDGEncoding = -PDGEncoding;
if (id1 < 0) PDGEncoding = -PDGEncoding;
G4ParticleDefinition * BarionDef=
G4ParticleTable::GetParticleTable()->FindParticle(PDGEncoding);
#ifdef G4VERBOSE
#ifdef G4VERBOSE
if (BarionDef == 0 ) {
G4cerr << " G4HadronBuilder - Warning: No particle for PDGcode= "
<< PDGEncoding << G4endl;
} else if ( ( black->GetPDGCharge() + white->GetPDGCharge()
- BarionDef->GetPDGCharge() ) > perCent ) {
G4cerr << " G4HadronBuilder - Warning: Incorrect Charge : "
<< " DiQuark/Quark = "
<< black->GetParticleName() << " / "
<< white->GetParticleName()
<< " resulting Hadron " << BarionDef->GetParticleName()
<< G4endl;
<< " DiQuark/Quark = "
<< black->GetParticleName() << " / "
<< white->GetParticleName()
<< " resulting Hadron " << BarionDef->GetParticleName()
<< G4endl;
}
#endif
#endif
return BarionDef;
}