G4CollisionOutput Class Reference

#include <G4CollisionOutput.hh>

Public Member Functions
	G4CollisionOutput ()
G4CollisionOutput &	operator= (const G4CollisionOutput &right)
void	setVerboseLevel (G4int verbose)
void	reset ()
void	add (const G4CollisionOutput &right)
void	addOutgoingParticle (const G4InuclElementaryParticle &particle)
void	addOutgoingParticles (const std::vector< G4InuclElementaryParticle > &particles)
void	addOutgoingNucleus (const G4InuclNuclei &nuclei)
void	addOutgoingNuclei (const std::vector< G4InuclNuclei > &nuclea)
void	addOutgoingParticle (const G4CascadParticle &cparticle)
void	addOutgoingParticles (const std::vector< G4CascadParticle > &cparticles)
void	addOutgoingParticles (const G4ReactionProductVector *rproducts)
void	addRecoilFragment (const G4Fragment *aFragment)
void	addRecoilFragment (const G4Fragment &aFragment)
void	removeOutgoingParticle (G4int index)
void	removeOutgoingParticle (const G4InuclElementaryParticle &particle)
void	removeOutgoingParticle (const G4InuclElementaryParticle *particle)
void	removeOutgoingNucleus (G4int index)
void	removeOutgoingNucleus (const G4InuclNuclei &nuclei)
void	removeOutgoingNucleus (const G4InuclNuclei *nuclei)
void	removeRecoilFragment ()
G4int	numberOfOutgoingParticles () const
const std::vector< G4InuclElementaryParticle > &	getOutgoingParticles () const
std::vector< G4InuclElementaryParticle > &	getOutgoingParticles ()
G4int	numberOfOutgoingNuclei () const
const std::vector< G4InuclNuclei > &	getOutgoingNuclei () const
std::vector< G4InuclNuclei > &	getOutgoingNuclei ()
const G4Fragment &	getRecoilFragment () const
G4Fragment &	getRecoilFragment ()
G4LorentzVector	getTotalOutputMomentum () const
G4int	getTotalCharge () const
G4int	getTotalBaryonNumber () const
G4int	getTotalStrangeness () const
void	printCollisionOutput (std::ostream &os=G4cout) const
void	boostToLabFrame (const G4LorentzConvertor &convertor)
G4LorentzVector	boostToLabFrame (G4LorentzVector mom, const G4LorentzConvertor &convertor) const
void	rotateEvent (const G4LorentzRotation &rotate)
void	trivialise (G4InuclParticle *bullet, G4InuclParticle *target)
void	setOnShell (G4InuclParticle *bullet, G4InuclParticle *target)
void	setRemainingExitationEnergy ()
double	getRemainingExitationEnergy () const
G4bool	acceptable () const

---

Detailed Description

Definition at line 65 of file G4CollisionOutput.hh.

---

Constructor & Destructor Documentation

G4CollisionOutput::G4CollisionOutput

(

)

Definition at line 77 of file G4CollisionOutput.cc.

References G4cout, and G4endl.

  : verboseLevel(0), eex_rest(0), on_shell(false) {
  if (verboseLevel > 1)
    G4cout << " >>> G4CollisionOutput::G4CollisionOutput" << G4endl;
}

---

Member Function Documentation

G4bool G4CollisionOutput::acceptable

(

)

const [inline]

Definition at line 166 of file G4CollisionOutput.hh.

Referenced by G4InuclCollider::collide(), and G4IntraNucleiCascader::finishCascade().

{ return on_shell; };

void G4CollisionOutput::add

(

const G4CollisionOutput &

right

)

Definition at line 106 of file G4CollisionOutput.cc.

References addOutgoingNuclei(), addOutgoingParticles(), outgoingNuclei, outgoingParticles, and theRecoilFragment.

Referenced by G4PreCompoundDeexcitation::collide(), G4InuclCollider::collide(), G4CascadeDeexcitation::collide(), G4CascadeCheckBalance::collide(), G4InuclCollider::deexcite(), G4IntraNucleiCascader::finalize(), and G4InuclCollider::rescatter().

                                                          {
  addOutgoingParticles(right.outgoingParticles);
  addOutgoingNuclei(right.outgoingNuclei);
  theRecoilFragment = right.theRecoilFragment;
}

void G4CollisionOutput::addOutgoingNuclei

(

const std::vector< G4InuclNuclei > &

nuclea

)

Definition at line 120 of file G4CollisionOutput.cc.

Referenced by add(), G4Fissioner::collide(), and G4CascadeCheckBalance::collide().

                                                                                {
  outgoingNuclei.insert(outgoingNuclei.end(), nuclea.begin(), nuclea.end());
}

void G4CollisionOutput::addOutgoingNucleus

(

const G4InuclNuclei &

nuclei

)

[inline]

Definition at line 84 of file G4CollisionOutput.hh.

References G4InuclParticleNames::nuclei.

Referenced by G4NonEquilibriumEvaporator::collide(), and G4EquilibriumEvaporator::collide().

                                                       {
    outgoingNuclei.push_back(nuclei);
  };

void G4CollisionOutput::addOutgoingParticle

(

const G4CascadParticle &

cparticle

)

Definition at line 126 of file G4CollisionOutput.cc.

References addOutgoingParticle(), and G4CascadParticle::getParticle().

                                                                             {
  addOutgoingParticle(cparticle.getParticle());
}

void G4CollisionOutput::addOutgoingParticle

(

const G4InuclElementaryParticle &

particle

)

[inline]

Definition at line 78 of file G4CollisionOutput.hh.

Referenced by addOutgoingParticle(), addOutgoingParticles(), G4PreCompoundDeexcitation::collide(), G4NonEquilibriumEvaporator::collide(), G4EquilibriumEvaporator::collide(), G4IntraNucleiCascader::decayTrappedParticle(), G4IntraNucleiCascader::finishCascade(), G4IntraNucleiCascader::generateCascade(), and G4IntraNucleiCascader::processTrappedParticle().

                                                                      {
    outgoingParticles.push_back(particle);
  }

void G4CollisionOutput::addOutgoingParticles

(

const G4ReactionProductVector *

rproducts

)

Definition at line 137 of file G4CollisionOutput.cc.

References G4cout, G4endl, numberOfOutgoingNuclei(), numberOfOutgoingParticles(), G4InuclParticle::PreCompound, and G4InuclElementaryParticle::type().

                                                                                     {
  if (!rproducts) return;               // Sanity check, no error if null

  if (verboseLevel) {
    G4cout << " >>> G4CollisionOutput::addOutgoingParticles(G4RPVector)"
           << G4endl;
  }

  G4ReactionProductVector::const_iterator j;
  for (j=rproducts->begin(); j!=rproducts->end(); ++j) {
    G4ParticleDefinition* pd = (*j)->GetDefinition();
    G4int type = G4InuclElementaryParticle::type(pd);

    // FIXME:  Momentum returned by value; extra copying here!
    G4LorentzVector mom((*j)->GetMomentum(), (*j)->GetTotalEnergy());
    mom /= GeV;         // Convert from GEANT4 to Bertini units
    
    if (verboseLevel>1)
      G4cout << " Processing " << pd->GetParticleName() << " (" << type
             << "), momentum " << mom << " GeV" << G4endl;

    // Nucleons and nuclei are jumbled together in the list
    // NOTE: Resize and set/fill avoid unnecessary temporary copies
    if (type) {
      outgoingParticles.resize(numberOfOutgoingParticles()+1);
      outgoingParticles.back().fill(mom, pd, G4InuclParticle::PreCompound);

      if (verboseLevel>1) G4cout << outgoingParticles.back() << G4endl;
    } else {
      outgoingNuclei.resize(numberOfOutgoingNuclei()+1);
      outgoingNuclei.back().fill(mom,pd->GetAtomicMass(),pd->GetAtomicNumber(),
                                 0.,G4InuclParticle::PreCompound);

      if (verboseLevel>1) G4cout << outgoingNuclei.back() << G4endl;
    }
  }
}

void G4CollisionOutput::addOutgoingParticles

(

const std::vector< G4CascadParticle > &

cparticles

)

Definition at line 130 of file G4CollisionOutput.cc.

References addOutgoingParticle().

                                                                                          {
  for (unsigned i=0; i<cparticles.size(); i++)
    addOutgoingParticle(cparticles[i]);
}

void G4CollisionOutput::addOutgoingParticles

(

const std::vector< G4InuclElementaryParticle > &

particles

)

Definition at line 115 of file G4CollisionOutput.cc.

Referenced by add(), G4ElementaryParticleCollider::collide(), G4CascadeDeexcitation::collide(), G4CascadeCheckBalance::collide(), G4BigBanger::collide(), G4PreCompoundDeexcitation::deExcite(), G4IntraNucleiCascader::finishCascade(), and G4IntraNucleiCascader::setupCascade().

                                                                                                  {
  outgoingParticles.insert(outgoingParticles.end(),
                           particles.begin(), particles.end());
}

void G4CollisionOutput::addRecoilFragment

(

const G4Fragment &

aFragment

)

[inline]

Definition at line 101 of file G4CollisionOutput.hh.

                                                      {
    theRecoilFragment = aFragment;
  }

void G4CollisionOutput::addRecoilFragment

(

const G4Fragment *

aFragment

)

[inline]

Definition at line 97 of file G4CollisionOutput.hh.

Referenced by G4IntraNucleiCascader::finishCascade().

                                                      {
    if (aFragment) addRecoilFragment(*aFragment);
  }

G4LorentzVector G4CollisionOutput::boostToLabFrame	(	G4LorentzVector	mom,
		const G4LorentzConvertor &	convertor
	)			const

Definition at line 322 of file G4CollisionOutput.cc.

References G4LorentzConvertor::backToTheLab(), G4LorentzConvertor::reflectionNeeded(), and G4LorentzConvertor::rotate().

                                                                              {
  if (convertor.reflectionNeeded()) mom.setZ(-mom.z());
  mom = convertor.rotate(mom);
  mom = convertor.backToTheLab(mom);

  return mom;
}

void G4CollisionOutput::boostToLabFrame

(

const G4LorentzConvertor &

convertor

)

Definition at line 294 of file G4CollisionOutput.cc.

References G4cout, G4endl, G4Fragment::GetA(), G4Fragment::GetMomentum(), and G4Fragment::SetMomentum().

Referenced by G4InuclCollider::collide(), and G4EquilibriumEvaporator::collide().

                                                                           {
  if (verboseLevel > 1)
    G4cout << " >>> G4CollisionOutput::boostToLabFrame" << G4endl;

  if (!outgoingParticles.empty()) { 
    particleIterator ipart = outgoingParticles.begin();
    for(; ipart != outgoingParticles.end(); ipart++) {
      ipart->setMomentum(boostToLabFrame(ipart->getMomentum(), convertor));
    }

    std::sort(outgoingParticles.begin(), outgoingParticles.end(),
              G4ParticleLargerEkin());
  }
  
  if (!outgoingNuclei.empty()) { 
    nucleiIterator inuc = outgoingNuclei.begin();
    for (; inuc != outgoingNuclei.end(); inuc++) {
      inuc->setMomentum(boostToLabFrame(inuc->getMomentum(), convertor)); 
    }
  }

  if (theRecoilFragment.GetA() > 0.) {
    theRecoilFragment.SetMomentum(boostToLabFrame(theRecoilFragment.GetMomentum(), convertor));
  }
}

std::vector<G4InuclNuclei>& G4CollisionOutput::getOutgoingNuclei

(

)

[inline]

Definition at line 139 of file G4CollisionOutput.hh.

{ return outgoingNuclei; };

const std::vector<G4InuclNuclei>& G4CollisionOutput::getOutgoingNuclei

(

)

const [inline]

Definition at line 135 of file G4CollisionOutput.hh.

Referenced by G4Analyser::analyse(), G4InuclEvaporation::BreakItUp(), G4EquilibriumEvaporator::collide(), G4CascadeDeexcitation::collide(), G4CascadeInterface::copyOutputToHadronicResult(), G4CascadeInterface::copyOutputToReactionProducts(), and G4IntraNucleiCascader::releaseSecondary().

                                                            {
    return outgoingNuclei;
  };

std::vector<G4InuclElementaryParticle>& G4CollisionOutput::getOutgoingParticles

(

)

[inline]

Definition at line 129 of file G4CollisionOutput.hh.

                                                               {
    return outgoingParticles;
  };

const std::vector<G4InuclElementaryParticle>& G4CollisionOutput::getOutgoingParticles

(

)

const [inline]

Definition at line 125 of file G4CollisionOutput.hh.

Referenced by G4Analyser::analyse(), G4InuclEvaporation::BreakItUp(), G4EquilibriumEvaporator::collide(), G4CascadeDeexcitation::collide(), G4CascadeInterface::copyOutputToHadronicResult(), G4CascadeInterface::copyOutputToReactionProducts(), G4CascadeInterface::coulombBarrierViolation(), G4CascadeCoalescence::FindClusters(), G4IntraNucleiCascader::finishCascade(), G4IntraNucleiCascader::generateCascade(), G4NucleiModel::generateParticleFate(), G4IntraNucleiCascader::releaseSecondary(), G4CascadeInterface::retryInelasticNucleus(), and G4CascadeInterface::retryInelasticProton().

                                                                           {
    return outgoingParticles;
  };

G4Fragment& G4CollisionOutput::getRecoilFragment

(

)

[inline]

Definition at line 143 of file G4CollisionOutput.hh.

{ return theRecoilFragment; }

const G4Fragment& G4CollisionOutput::getRecoilFragment

(

)

const [inline]

Definition at line 141 of file G4CollisionOutput.hh.

Referenced by G4InuclCollider::collide(), and G4InuclCollider::rescatter().

{ return theRecoilFragment; }

double G4CollisionOutput::getRemainingExitationEnergy

(

)

const [inline]

Definition at line 165 of file G4CollisionOutput.hh.

{ return eex_rest; };

G4int G4CollisionOutput::getTotalBaryonNumber

(

)

const

Definition at line 245 of file G4CollisionOutput.cc.

References G4cout, G4endl, and G4Fragment::GetA_asInt().

Referenced by G4CascadeCheckBalance::collide().

                                                    {
  if (verboseLevel > 1)
    G4cout << " >>> G4CollisionOutput::getTotalBaryonNumber" << G4endl;

  G4int baryon = 0;
  G4int i(0);
  for(i=0; i < G4int(outgoingParticles.size()); i++) {
    baryon += outgoingParticles[i].baryon();
  }
  for(i=0; i < G4int(outgoingNuclei.size()); i++) {
    baryon += G4int(outgoingNuclei[i].getA());
  }
  baryon += theRecoilFragment.GetA_asInt();

  return baryon;
}

G4int G4CollisionOutput::getTotalCharge

(

)

const

Definition at line 228 of file G4CollisionOutput.cc.

References G4cout, G4endl, and G4Fragment::GetZ_asInt().

Referenced by G4CascadeCheckBalance::collide().

                                              {
  if (verboseLevel > 1)
    G4cout << " >>> G4CollisionOutput::getTotalCharge" << G4endl;

  G4int charge = 0;
  G4int i(0);
  for(i=0; i < G4int(outgoingParticles.size()); i++) {
    charge += G4int(outgoingParticles[i].getCharge());
  }
  for(i=0; i < G4int(outgoingNuclei.size()); i++) {
    charge += G4int(outgoingNuclei[i].getCharge());
  }
  charge += theRecoilFragment.GetZ_asInt();

  return charge;
}

G4LorentzVector G4CollisionOutput::getTotalOutputMomentum

(

)

const

Definition at line 211 of file G4CollisionOutput.cc.

References G4cout, G4endl, and G4Fragment::GetMomentum().

Referenced by G4CascadeCheckBalance::collide(), and setOnShell().

                                                                {
  if (verboseLevel > 1)
    G4cout << " >>> G4CollisionOutput::getTotalOutputMomentum" << G4endl;

  G4LorentzVector tot_mom;
  G4int i(0);
  for(i=0; i < G4int(outgoingParticles.size()); i++) {
    tot_mom += outgoingParticles[i].getMomentum();
  }
  for(i=0; i < G4int(outgoingNuclei.size()); i++) {
    tot_mom += outgoingNuclei[i].getMomentum();
  }
  tot_mom += theRecoilFragment.GetMomentum()/GeV;       // Need Bertini units!

  return tot_mom;
}

G4int G4CollisionOutput::getTotalStrangeness

(

)

const

Definition at line 262 of file G4CollisionOutput.cc.

References G4cout, and G4endl.

Referenced by G4CascadeCheckBalance::collide().

                                                   {
  if (verboseLevel > 1)
    G4cout << " >>> G4CollisionOutput::getTotalStrangeness" << G4endl;

  G4int strange = 0;
  G4int i(0);
  for(i=0; i < G4int(outgoingParticles.size()); i++) {
    strange += outgoingParticles[i].getStrangeness();
  }

  return strange;
}

G4int G4CollisionOutput::numberOfOutgoingNuclei

(

)

const [inline]

Definition at line 133 of file G4CollisionOutput.hh.

Referenced by addOutgoingParticles(), G4IntraNucleiCascader::copySecondaries(), G4IntraNucleiCascader::releaseSecondary(), removeOutgoingNucleus(), and G4CascadeInterface::retryInelasticNucleus().

{ return outgoingNuclei.size(); };

G4int G4CollisionOutput::numberOfOutgoingParticles

(

)

const [inline]

Definition at line 123 of file G4CollisionOutput.hh.

Referenced by addOutgoingParticles(), G4NonEquilibriumEvaporator::collide(), G4IntraNucleiCascader::copySecondaries(), G4IntraNucleiCascader::finishCascade(), G4NucleiModel::generateParticleFate(), G4IntraNucleiCascader::releaseSecondary(), removeOutgoingParticle(), and G4CascadeInterface::retryInelasticNucleus().

{ return outgoingParticles.size(); }

G4CollisionOutput & G4CollisionOutput::operator=

(

const G4CollisionOutput &

right

)

Definition at line 84 of file G4CollisionOutput.cc.

References eex_rest, on_shell, outgoingNuclei, outgoingParticles, theRecoilFragment, and verboseLevel.

{
  if (this != &right) {
    verboseLevel = right.verboseLevel;
    outgoingParticles = right.outgoingParticles;
    outgoingNuclei = right.outgoingNuclei; 
    theRecoilFragment = right.theRecoilFragment;
    eex_rest = right.eex_rest;
    on_shell = right.on_shell;
  }
  return *this;
}

void G4CollisionOutput::printCollisionOutput

(

std::ostream &

os = G4cout

)

const

Definition at line 276 of file G4CollisionOutput.cc.

References G4endl, and G4Fragment::GetA().

Referenced by G4CascadeInterface::ApplyYourself(), G4EvaporationInuclCollider::collide(), G4CascadeCoalescence::FindClusters(), G4IntraNucleiCascader::finishCascade(), G4NucleiModel::generateParticleFate(), G4CascadeInterface::Propagate(), setOnShell(), G4CascadeInterface::throwNonConservationFailure(), and G4CascadeColliderBase::validateOutput().

                                                                 {
  os << " Output: " << G4endl
     << " Outgoing Particles: " << outgoingParticles.size() << G4endl;

  G4int i(0);
  for(i=0; i < G4int(outgoingParticles.size()); i++)
    os << outgoingParticles[i] << G4endl;

  os << " Outgoing Nuclei: " << outgoingNuclei.size() << G4endl;      
  for(i=0; i < G4int(outgoingNuclei.size()); i++)
    os << outgoingNuclei[i] << G4endl;

  if (theRecoilFragment.GetA() > 0) os << theRecoilFragment << G4endl;
}

void G4CollisionOutput::removeOutgoingNucleus

(

const G4InuclNuclei *

nuclei

)

[inline]

Definition at line 115 of file G4CollisionOutput.hh.

References G4InuclParticleNames::nuclei, and removeOutgoingNucleus().

                                                          {
    if (nuclei) removeOutgoingNucleus(*nuclei);
  }

void G4CollisionOutput::removeOutgoingNucleus

(

const G4InuclNuclei &

nuclei

)

Definition at line 196 of file G4CollisionOutput.cc.

References G4InuclParticleNames::nuclei.

                                                                         {
  nucleiIterator pos =
    std::find(outgoingNuclei.begin(), outgoingNuclei.end(), nuclei);
  if (pos != outgoingNuclei.end()) outgoingNuclei.erase(pos);
}

void G4CollisionOutput::removeOutgoingNucleus

(

G4int

index

)

Definition at line 183 of file G4CollisionOutput.cc.

References numberOfOutgoingNuclei().

Referenced by removeOutgoingNucleus().

                                                         {
  if (index >= 0 && index < numberOfOutgoingNuclei())
    outgoingNuclei.erase(outgoingNuclei.begin()+(size_t)index);
}

void G4CollisionOutput::removeOutgoingParticle

(

const G4InuclElementaryParticle *

particle

)

[inline]

Definition at line 109 of file G4CollisionOutput.hh.

References removeOutgoingParticle().

                                                                         {
    if (particle) removeOutgoingParticle(*particle);
  }

void G4CollisionOutput::removeOutgoingParticle

(

const G4InuclElementaryParticle &

particle

)

Definition at line 190 of file G4CollisionOutput.cc.

                                                                                        {
  particleIterator pos =
    std::find(outgoingParticles.begin(), outgoingParticles.end(), particle);
  if (pos != outgoingParticles.end()) outgoingParticles.erase(pos);
}

void G4CollisionOutput::removeOutgoingParticle

(

G4int

index

)

Definition at line 178 of file G4CollisionOutput.cc.

References numberOfOutgoingParticles().

Referenced by removeOutgoingParticle().

                                                          {
  if (index >= 0 && index < numberOfOutgoingParticles())
    outgoingParticles.erase(outgoingParticles.begin()+(size_t)index);
}

void G4CollisionOutput::removeRecoilFragment

(

)

Definition at line 204 of file G4CollisionOutput.cc.

Referenced by G4InuclCollider::collide(), G4InuclCollider::rescatter(), and reset().

                                             {
  static const G4Fragment emptyFragment;        // Default ctor is all zeros
  theRecoilFragment = emptyFragment;
}

void G4CollisionOutput::reset

(

)

Definition at line 97 of file G4CollisionOutput.cc.

References removeRecoilFragment().

Referenced by G4CascadeInterface::ApplyYourself(), G4PreCompoundDeexcitation::collide(), G4InuclCollider::collide(), G4EquilibriumEvaporator::collide(), G4CascadeDeexcitation::collide(), G4CascadeCheckBalance::collide(), G4InuclCollider::deexcite(), G4NucleiModel::generateParticleFate(), G4IntraNucleiCascader::newCascade(), G4CascadeInterface::Propagate(), G4InuclCollider::rescatter(), and trivialise().

                              {
  outgoingNuclei.clear();
  outgoingParticles.clear();
  removeRecoilFragment();
}

void G4CollisionOutput::rotateEvent

(

const G4LorentzRotation &

rotate

)

Definition at line 333 of file G4CollisionOutput.cc.

References G4cout, G4endl, G4Fragment::GetA(), G4Fragment::GetMomentum(), and G4Fragment::SetMomentum().

Referenced by G4CascadeInterface::ApplyYourself().

                                                                   {
  if (verboseLevel > 1)
    G4cout << " >>> G4CollisionOutput::rotateEvent" << G4endl;

  particleIterator ipart = outgoingParticles.begin();
  for(; ipart != outgoingParticles.end(); ipart++)
    ipart->setMomentum(ipart->getMomentum()*=rotate);

  nucleiIterator inuc = outgoingNuclei.begin();
  for (; inuc != outgoingNuclei.end(); inuc++)
    inuc->setMomentum(inuc->getMomentum()*=rotate);

  if (theRecoilFragment.GetA() > 0.) {
    G4LorentzVector mom = theRecoilFragment.GetMomentum();      // Need copy
    theRecoilFragment.SetMomentum(mom*=rotate);
  }

}

void G4CollisionOutput::setOnShell	(	G4InuclParticle *	bullet,
		G4InuclParticle *	target
	)

Definition at line 378 of file G4CollisionOutput.cc.

References G4cout, G4endl, G4Fragment::GetA(), G4Fragment::GetExcitationEnergy(), G4Fragment::GetMomentum(), G4InuclParticle::getMomentum(), getTotalOutputMomentum(), printCollisionOutput(), G4Fragment::SetMomentum(), and setRemainingExitationEnergy().

Referenced by G4InuclCollider::collide(), and G4IntraNucleiCascader::finishCascade().

                                                            {
  if (verboseLevel > 1)
    G4cout << " >>> G4CollisionOutput::setOnShell" << G4endl;

  const G4double accuracy = 0.00001; // momentum concerves at the level of 10 keV

  on_shell = false;
    
  G4LorentzVector ini_mom = bullet->getMomentum();
  G4LorentzVector momt    = target->getMomentum();
  G4LorentzVector out_mom = getTotalOutputMomentum();
  if(verboseLevel > 2){
    G4cout << " bullet momentum = " << ini_mom.e() <<", "<< ini_mom.x() <<", "<< ini_mom.y()<<", "<< ini_mom.z()<<G4endl;
    G4cout << " target momentum = " << momt.e()<<", "<< momt.x()<<", "<< momt.y()<<", "<< momt.z()<<G4endl;
    G4cout << " Fstate momentum = " << out_mom.e()<<", "<< out_mom.x()<<", "<< out_mom.y()<<", "<< out_mom.z()<<G4endl;
  }

  ini_mom += momt;
  G4LorentzVector mom_non_cons = ini_mom - out_mom;

  G4double pnc = mom_non_cons.rho();
  G4double enc = mom_non_cons.e();

  setRemainingExitationEnergy();       

  if(verboseLevel > 2) {
    printCollisionOutput();
    G4cout << " momentum non conservation: " << G4endl
           << " e " << enc << " p " << pnc << G4endl
           << " remaining exitation " << eex_rest << G4endl;
  }

  if (std::fabs(enc) <= accuracy && pnc <= accuracy) {
    on_shell = true;
    return;
  }

  // Adjust "last" particle's four-momentum to balance event
  // ONLY adjust particles with sufficient e or p to remain physical!

  if (verboseLevel > 2) G4cout << " re-balancing four-momenta" << G4endl;

  G4int npart = outgoingParticles.size();
  G4int nnuc = outgoingNuclei.size();

  if (npart > 0) {
    for (G4int ip=npart-1; ip>=0; ip--) {
      if (outgoingParticles[ip].getKineticEnergy()+enc > 0.) {
        G4LorentzVector last_mom = outgoingParticles[ip].getMomentum(); 
        last_mom += mom_non_cons;
        outgoingParticles[ip].setMomentum(last_mom);
        break;
      }
    }
  } else if (nnuc > 0) {
    for (G4int in=nnuc-1; in>=0; in--) {
      if (outgoingNuclei[in].getKineticEnergy()+enc > 0.) {
        G4LorentzVector last_mom = outgoingNuclei[in].getMomentum();
        last_mom += mom_non_cons;
        outgoingNuclei[in].setMomentum(last_mom);
        break;
      }
    }
  } else if (theRecoilFragment.GetA() > 0.) {
    // NOTE:  G4Fragment does not use Bertini units!
    G4LorentzVector last_mom = theRecoilFragment.GetMomentum()/GeV;
    if ((last_mom.e()-last_mom.m())+enc > 0.) {
      last_mom += mom_non_cons;
      theRecoilFragment.SetMomentum(last_mom*GeV);
    }
  }

  // Recompute momentum non-conservation parameters
  out_mom = getTotalOutputMomentum();
  mom_non_cons = ini_mom - out_mom;
  pnc = mom_non_cons.rho();
  enc = mom_non_cons.e();

  if(verboseLevel > 2){
    printCollisionOutput();
    G4cout << " momentum non conservation after (1): " << G4endl 
           << " e " << enc << " p " << pnc << G4endl;
  }

  // Can energy be balanced just with nuclear excitation?
  G4bool need_hard_tuning = true;
  
  G4double encMeV = mom_non_cons.e() / GeV;     // Excitation below is in MeV
  if (theRecoilFragment.GetA() > 0.) {
    G4double eex = theRecoilFragment.GetExcitationEnergy();
    if (eex > 0.0 && eex + encMeV >= 0.0) {
      // NOTE:  G4Fragment doesn't have function to change excitation energy
      // ==> theRecoilFragment.SetExcitationEnergy(eex+encMeV);

      G4LorentzVector fragMom = theRecoilFragment.GetMomentum();
      G4double newMass = fragMom.m() + encMeV;          // .m() includes eex
      fragMom.setVectM(fragMom.vect(), newMass);
      need_hard_tuning = false;
    }
  } else if (outgoingNuclei.size() > 0) {
    for (G4int i=0; i < G4int(outgoingNuclei.size()); i++) {
      G4double eex = outgoingNuclei[i].getExitationEnergy();
      
      if(eex > 0.0 && eex + encMeV >= 0.0) {
        outgoingNuclei[i].setExitationEnergy(eex+encMeV);
        need_hard_tuning = false;
        break;
      }
    }
    if (need_hard_tuning && encMeV > 0.) {
      outgoingNuclei[0].setExitationEnergy(encMeV);
      need_hard_tuning = false;
    }
  }
  
  if (!need_hard_tuning) {
    on_shell = true;
    return;
  }

  // Momentum (hard) tuning required for energy conservation
  if (verboseLevel > 2)
    G4cout << " trying hard (particle-pair) tuning" << G4endl;

  std::pair<std::pair<G4int, G4int>, G4int> tune_par = selectPairToTune(mom_non_cons.e());
  std::pair<G4int, G4int> tune_particles = tune_par.first;
  G4int mom_ind = tune_par.second;
  
  if(verboseLevel > 2) {
    G4cout << " p1 " << tune_particles.first << " p2 " << tune_particles.second
           << " ind " << mom_ind << G4endl;
  }

  G4bool tuning_possible = 
    (tune_particles.first >= 0 && tune_particles.second >= 0 &&
     mom_ind >= G4LorentzVector::X);

  if (!tuning_possible) {
    if (verboseLevel > 2) G4cout << " tuning impossible " << G4endl;
    return;
  }
    
  G4LorentzVector mom1 = outgoingParticles[tune_particles.first].getMomentum();
  G4LorentzVector mom2 = outgoingParticles[tune_particles.second].getMomentum();
  G4double newE12 = mom1.e() + mom2.e() + mom_non_cons.e();
  G4double R = 0.5 * (newE12 * newE12 + mom2.e() * mom2.e() - mom1.e() * mom1.e()) / newE12;
  G4double Q = -(mom1[mom_ind] + mom2[mom_ind]) / newE12;
  G4double UDQ = 1.0 / (Q * Q - 1.0);
  G4double W = (R * Q + mom2[mom_ind]) * UDQ;
  G4double V = (mom2.e() * mom2.e() - R * R) * UDQ;
  G4double DET = W * W + V;
  
  if (DET < 0.0) {
    if (verboseLevel > 2) G4cout << " DET < 0 " << G4endl;
    return;
  }

  // Tuning allowed only for non-negative determinant
  G4double x1 = -(W + std::sqrt(DET));
  G4double x2 = -(W - std::sqrt(DET));
  
  // choose the appropriate solution
  G4bool xset = false;
  G4double x = 0.0;
  
  if(mom_non_cons.e() > 0.0) { // x has to be > 0.0
    if(x1 > 0.0) {
      if(R + Q * x1 >= 0.0) {
        x = x1;
        xset = true;
      };
    };  
    if(!xset && x2 > 0.0) {
      if(R + Q * x2 >= 0.0) {
        x = x2;
        xset = true;
      };
    };
  } else { 
    if(x1 < 0.0) {
      if(R + Q * x1 >= 0.) {
        x = x1;
        xset = true;
      };
    };  
    if(!xset && x2 < 0.0) {
      if(R + Q * x2 >= 0.0) {
        x = x2;
        xset = true;
      };
    };
  }     // if(mom_non_cons.e() > 0.0)
  
  if(!xset) {
    if(verboseLevel > 2)
      G4cout << " no appropriate solution found " << G4endl;
    return;
  }     // if(xset)

  // retune momentums
  mom1[mom_ind] += x;
  mom2[mom_ind] -= x;
  outgoingParticles[tune_particles.first ].setMomentum(mom1);
  outgoingParticles[tune_particles.second].setMomentum(mom2);
  out_mom = getTotalOutputMomentum();
  std::sort(outgoingParticles.begin(), outgoingParticles.end(), G4ParticleLargerEkin());
  mom_non_cons = ini_mom - out_mom;
  pnc = mom_non_cons.rho();
  enc = mom_non_cons.e();

  on_shell = (std::fabs(enc) < accuracy || pnc < accuracy);

  if(verboseLevel > 2) {
    G4cout << " momentum non conservation tuning: " << G4endl 
           << " e " << enc << " p " << pnc 
           << (on_shell?" success":" FAILURE") << G4endl;
  }
}

void G4CollisionOutput::setRemainingExitationEnergy

(

)

Definition at line 601 of file G4CollisionOutput.cc.

References G4Fragment::GetExcitationEnergy().

Referenced by setOnShell().

                                                    { 
  eex_rest = theRecoilFragment.GetExcitationEnergy() / GeV;

  for(G4int i=0; i < G4int(outgoingNuclei.size()); i++) 
    eex_rest += outgoingNuclei[i].getExitationEnergyInGeV();
}

void G4CollisionOutput::setVerboseLevel

(

G4int

verbose

)

[inline]

Definition at line 70 of file G4CollisionOutput.hh.

Referenced by G4PreCompoundDeexcitation::deExcite(), G4IntraNucleiCascader::finishCascade(), G4InuclCollider::setVerboseLevel(), and G4CascadeInterface::SetVerboseLevel().

{ verboseLevel = verbose; };

void G4CollisionOutput::trivialise	(	G4InuclParticle *	bullet,
		G4InuclParticle *	target
	)

Definition at line 353 of file G4CollisionOutput.cc.

References G4cout, G4endl, and reset().

Referenced by G4InuclCollider::collide(), and G4IntraNucleiCascader::finalize().

                                                            {
  if (verboseLevel > 1)
    G4cout << " >>> G4CollisionOutput::trivialize" << G4endl;

  reset();              // Discard existing output, replace with bullet/target

  if (G4InuclNuclei* nuclei_target = dynamic_cast<G4InuclNuclei*>(target)) {
    outgoingNuclei.push_back(*nuclei_target);
  } else {
    G4InuclElementaryParticle* particle =
      dynamic_cast<G4InuclElementaryParticle*>(target);
    outgoingParticles.push_back(*particle);
  }

  if (G4InuclNuclei* nuclei_bullet = dynamic_cast<G4InuclNuclei*>(bullet)) {
    outgoingNuclei.push_back(*nuclei_bullet);
  } else {
    G4InuclElementaryParticle* particle =
      dynamic_cast<G4InuclElementaryParticle*>(bullet);
    outgoingParticles.push_back(*particle);
  }
}

---

The documentation for this class was generated from the following files:

• G4CollisionOutput.hh
• G4CollisionOutput.cc

---