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This commit is contained in:
Gabriele Cosmo
2016-06-10 14:11:04 +02:00
parent c9b32a6c0a
commit d4af681f38
4886 changed files with 420149 additions and 1023309 deletions
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source/processes/hadronic/models/parton_string/hadronization/src/G4QGSMFragmentation.cc
+47 -19
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@@ -24,7 +24,7 @@
// ********************************************************************
//
//
// $Id: G4QGSMFragmentation.cc 84707 2014-10-20 07:15:31Z gcosmo $
// $Id: G4QGSMFragmentation.cc 92025 2015-08-13 14:17:05Z gcosmo $
//
// -----------------------------------------------------------------------------
// GEANT 4 class implementation file
@@ -39,6 +39,8 @@
#include "G4DiQuarks.hh"
#include "G4Quarks.hh"
#include "G4Pow.hh"
//#define debug_QGSMfragmentation // Uzhi Oct. 2014
// Class G4QGSMFragmentation
@@ -99,7 +101,7 @@ G4KineticTrackVector* G4QGSMFragmentation::FragmentString(const G4ExcitedString&
G4bool success=false, inner_sucess=true;
G4int attempt=0;
while ( !success && attempt++ < StringLoopInterrupt )
while ( !success && attempt++ < StringLoopInterrupt ) /* Loop checking, 07.08.2015, A.Ribon */
{
#ifdef debug_QGSMfragmentation // Uzhi Oct. 2014
G4cout<<"Loop_toFrag "<<theStringInCMS->GetLeftParton()->GetPDGcode()<<" "
@@ -115,8 +117,9 @@ G4KineticTrackVector* G4QGSMFragmentation::FragmentString(const G4ExcitedString&
RightVector->clear();
inner_sucess=true; // set false on failure..
while (! StopFragmenting(currentString) )
const G4int maxNumberOfLoops = 1000;
G4int loopCounter = -1;
while (! StopFragmenting(currentString) && ++loopCounter < maxNumberOfLoops ) /* Loop checking, 07.08.2015, A.Ribon */
{ // Split current string into hadron + new string
#ifdef debug_QGSMfragmentation // Uzhi Oct. 2014
@@ -146,11 +149,14 @@ G4KineticTrackVector* G4QGSMFragmentation::FragmentString(const G4ExcitedString&
// abandon ... start from the beginning
if (newString) delete newString;
if (Hadron) delete Hadron;
inner_sucess=false;
break;
}
}
}
if ( loopCounter >= maxNumberOfLoops ) {
inner_sucess=false;
}
// Split current string into 2 final Hadrons
#ifdef debug_QGSMfragmentation // Uzhi Oct. 2014
G4cout<<"Split remaining string into 2 final hadrons."<<G4endl;
@@ -176,7 +182,7 @@ G4KineticTrackVector* G4QGSMFragmentation::FragmentString(const G4ExcitedString&
}
// Join Left- and RightVector into LeftVector in correct order.
while(!RightVector->empty())
while(!RightVector->empty()) /* Loop checking, 07.08.2015, A.Ribon */
{
LeftVector->push_back(RightVector->back());
RightVector->erase(RightVector->end()-1);
@@ -254,13 +260,18 @@ G4double G4QGSMFragmentation::GetLightConeZ(G4double zmin, G4double zmax, G4int
invD1=1./d1; invD2=1./d2;
const G4int maxNumberOfLoops = 10000;
G4int loopCounter = 0;
do
{
r1=std::pow(G4UniformRand(),invD1);
r2=std::pow(G4UniformRand(),invD2);
r1=G4Pow::GetInstance()->powA(G4UniformRand(),invD1);
r2=G4Pow::GetInstance()->powA(G4UniformRand(),invD2);
r12=r1+r2;
z=r1/r12;
} while( (r12 > 1.0) || !((zmin <= z)&&(z <= zmax)));
} while( ( (r12 > 1.0) || !((zmin <= z)&&(z <= zmax))) && ++loopCounter < maxNumberOfLoops ); /* Loop checking, 07.08.2015, A.Ribon */
if ( loopCounter >= maxNumberOfLoops ) {
z = 0.5*(zmin + zmax); // Just a value between zmin and zmax, no physics considerations at all!
}
return z;
}
@@ -286,13 +297,18 @@ G4double G4QGSMFragmentation::GetLightConeZ(G4double zmin, G4double zmax, G4int
d1+=1.0; d2+=1.0;
invD1=1./d1; invD2=1./d2;
const G4int maxNumberOfLoops = 10000;
G4int loopCounter = 0;
do
{
r1=std::pow(G4UniformRand(),invD1);
r2=std::pow(G4UniformRand(),invD2);
r1=G4Pow::GetInstance()->powA(G4UniformRand(),invD1);
r2=G4Pow::GetInstance()->powA(G4UniformRand(),invD2);
r12=r1+r2;
z=r1/r12;
} while( (r12 > 1.0) || !((zmin <= z)&&(z <= zmax)));
} while( ( (r12 > 1.0) || !((zmin <= z)&&(z <= zmax))) && ++loopCounter < maxNumberOfLoops ); /* Loop checking, 07.08.2015, A.Ribon */
if ( loopCounter >= maxNumberOfLoops ) {
z = 0.5*(zmin + zmax); // Just a value between zmin and zmax, no physics considerations at all!
}
return z;
}
@@ -307,13 +323,15 @@ G4double G4QGSMFragmentation::GetLightConeZ(G4double zmin, G4double zmax, G4int
d2 = (alft - (2.*aksi - arho));
}
const G4int maxNumberOfLoops = 1000;
G4int loopCounter = 0;
do
{
z = zmin + G4UniformRand() * (zmax - zmin);
d1 = (1. - z);
yf = std::pow(d1, d2);
yf = G4Pow::GetInstance()->powA(d1, d2);
}
while (G4UniformRand() > yf);
while( (G4UniformRand() > yf) && ++loopCounter < maxNumberOfLoops ); /* Loop checking, 07.08.2015, A.Ribon */
}
return z;
@@ -326,8 +344,11 @@ G4LorentzVector * G4QGSMFragmentation::SplitEandP(G4ParticleDefinition * pHadron
{
G4double HadronMass = pHadron->GetPDGMass();
G4double MinimalStringMass= FragmentationMass(NewString,&G4HadronBuilder::BuildHighSpin);
// G4double MinimalStringMass= FragmentationMass(NewString,&G4HadronBuilder::BuildHighSpin);
G4double MinimalStringMass=
FragmentationMass(NewString,&G4HadronBuilder::Build); // Uzhi 03.06.2015
// FragmentationMass(NewString,&G4HadronBuilder::BuildLowSpin); // Uzhi 03.06.2015
// Uzhi 03.06.2015 It would be well to sample randomly HighSpin
#ifdef debug_QGSMfragmentation // Uzhi Oct. 2014
G4cout<<"G4QGSMFragmentation::SplitEandP "<<pHadron->GetParticleName()<<G4endl;
G4cout<<"String 4 mom, String M "<<string->Get4Momentum()<<" "<<string->Mass()<<G4endl;
@@ -367,7 +388,7 @@ G4LorentzVector * G4QGSMFragmentation::SplitEandP(G4ParticleDefinition * pHadron
HadronMassT2 = sqr(HadronMass) + HadronPt.mag2();
ResidualMassT2=sqr(MinimalStringMass) + RemSysPt.mag2();
} while(std::sqrt(HadronMassT2) + std::sqrt(ResidualMassT2) > StringMT);
} while(std::sqrt(HadronMassT2) + std::sqrt(ResidualMassT2) > StringMT); /* Loop checking, 07.08.2015, A.Ribon */
//... sample z to define hadron longitudinal momentum and energy
//... but first check the available phase space
@@ -446,6 +467,8 @@ G4bool G4QGSMFragmentation::SplitLast(G4FragmentingString * string,
G4double ClusterMassCut = ClusterMass; // Taken from G4VLongitudinalStringDecay
G4int cClusterInterrupt = 0;
G4ParticleDefinition * LeftHadron, * RightHadron;
const G4int maxNumberOfLoops = 1000;
G4int loopCounter = 0;
do
{
if (cClusterInterrupt++ >= ClusterLoopInterrupt)
@@ -481,7 +504,12 @@ G4bool G4QGSMFragmentation::SplitLast(G4FragmentingString * string,
if ( quark->GetParticleSubType()== "quark" ) {ClusterMassCut = 0.;}
else {ClusterMassCut = ClusterMass;}
}
while (ResidualMass <= LeftHadron->GetPDGMass() + RightHadron->GetPDGMass() + ClusterMassCut);
while ( (ResidualMass <= LeftHadron->GetPDGMass() + RightHadron->GetPDGMass() + ClusterMassCut)
&& ++loopCounter < maxNumberOfLoops ); /* Loop checking, 07.08.2015, A.Ribon */
if ( loopCounter >= maxNumberOfLoops ) {
return false;
}
//... compute hadron momenta and energies
G4LorentzVector LeftMom, RightMom;