Import Geant4 6.0.0 source tree
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Gabriele Cosmo
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//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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//
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// Hadronic Process: Nuclear De-excitations
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// by V. Lara (May 1998)
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#include "G4Fragment.hh"
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#include "G4HadronicException.hh"
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#include "G4HadTmpUtil.hh"
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// Default constructor
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G4Fragment::G4Fragment() :
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theA(0),
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theZ(0),
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theExcitationEnergy(0.0),
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theMomentum(0),
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theAngularMomentum(0),
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numberOfParticles(0),
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numberOfHoles(0),
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numberOfCharged(0),
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theParticleDefinition(0),
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theCreationTime(0.0)
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#ifdef PRECOMPOUND_TEST
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,theCreatorModel("No name")
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#endif
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{
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theAngularMomentum = IsotropicRandom3Vector();
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}
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// Copy Constructor
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G4Fragment::G4Fragment(const G4Fragment &right)
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{
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theA = right.theA;
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theZ = right.theZ;
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theExcitationEnergy = right.theExcitationEnergy;
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theMomentum = right.theMomentum;
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theAngularMomentum = right.theAngularMomentum;
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numberOfParticles = right.numberOfParticles;
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numberOfHoles = right.numberOfHoles;
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numberOfCharged = right.numberOfCharged;
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theParticleDefinition = right.theParticleDefinition;
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theCreationTime = right.theCreationTime;
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#ifdef PRECOMPOUND_TEST
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theCreatorModel = right.theCreatorModel;
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#endif
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}
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G4Fragment::~G4Fragment()
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{
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}
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G4Fragment::G4Fragment(const G4int A, const G4int Z, const G4LorentzVector aMomentum) :
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theA(A),
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theZ(Z),
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theMomentum(aMomentum),
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numberOfParticles(0),
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numberOfHoles(0),
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numberOfCharged(0),
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theParticleDefinition(0),
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theCreationTime(0.0)
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#ifdef PRECOMPOUND_TEST
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,theCreatorModel("No name")
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#endif
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{
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theExcitationEnergy = theMomentum.mag() -
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G4ParticleTable::GetParticleTable()->GetIonTable()
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->GetIonMass( G4lrint(theZ), G4lrint(theA) );
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if( theExcitationEnergy < 0.0 )
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if( theExcitationEnergy > -10.0 * eV || 0==G4lrint(theA))
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theExcitationEnergy = 0.0;
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else
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{
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G4cout << "A, Z, momentum, theExcitationEnergy"<<
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A<<" "<<Z<<" "<<aMomentum<<" "<<theExcitationEnergy<<G4endl;
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G4String text = "G4Fragment::G4Fragment Excitation Energy < 0.0!";
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throw G4HadronicException(__FILE__, __LINE__, text);
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}
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}
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// This constructor is for initialize photons
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G4Fragment::G4Fragment(const G4LorentzVector aMomentum, G4ParticleDefinition * aParticleDefinition) :
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theA(0),
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theZ(0),
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theMomentum(aMomentum),
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numberOfParticles(0),
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numberOfHoles(0),
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numberOfCharged(0),
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theParticleDefinition(aParticleDefinition),
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theCreationTime(0.0)
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#ifdef PRECOMPOUND_TEST
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,theCreatorModel("No name")
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#endif
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{
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theExcitationEnergy = CalculateExcitationEnergy(aMomentum);
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theAngularMomentum = IsotropicRandom3Vector();
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}
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const G4Fragment & G4Fragment::operator=(const G4Fragment &right)
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{
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if (this != &right) {
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theA = right.theA;
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theZ = right.theZ;
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theExcitationEnergy = right.theExcitationEnergy;
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theMomentum = right.theMomentum;
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theAngularMomentum = right.theAngularMomentum;
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numberOfParticles = right.numberOfParticles;
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numberOfHoles = right.numberOfHoles;
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numberOfCharged = right.numberOfCharged;
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theParticleDefinition = right.theParticleDefinition;
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theCreationTime = right.theCreationTime;
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#ifdef PRECOMPOUND_TEST
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theCreatorModel = right.theCreatorModel;
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#endif
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}
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return *this;
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}
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G4bool G4Fragment::operator==(const G4Fragment &right) const
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{
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return (this == (G4Fragment *) &right);
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}
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G4bool G4Fragment::operator!=(const G4Fragment &right) const
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{
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return (this != (G4Fragment *) &right);
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}
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std::ostream& operator << (std::ostream &out, const G4Fragment *theFragment)
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{
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std::ios::fmtflags old_floatfield = out.flags();
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out.setf(std::ios::floatfield);
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out
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<< "Fragment: A = " << std::setprecision(3) << theFragment->theA
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<< ", Z = " << std::setprecision(3) << theFragment->theZ ;
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out.setf(std::ios::scientific,std::ios::floatfield);
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out
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<< ", U = " << theFragment->GetExcitationEnergy()/MeV
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<< " MeV" << G4endl
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<< " P = ("
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<< theFragment->theMomentum.x()/MeV << ","
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<< theFragment->theMomentum.y()/MeV << ","
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<< theFragment->theMomentum.z()/MeV
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<< ") MeV E = "
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<< theFragment->theMomentum.t()/MeV << " MeV";
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// What about Angular momentum???
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if (theFragment->GetNumberOfExcitons() != 0) {
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out << G4endl;
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out << " "
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<< "#Particles = " << theFragment->numberOfParticles
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<< ", #Holes = " << theFragment->numberOfHoles
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<< ", #Charged = " << theFragment->numberOfCharged;
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}
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out.setf(old_floatfield,std::ios::floatfield);
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return out;
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}
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std::ostream& operator << (std::ostream &out, const G4Fragment &theFragment)
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{
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out << &theFragment;
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return out;
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}
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G4double G4Fragment::CalculateExcitationEnergy(const G4LorentzVector value) const
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{
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G4double theMaxGroundStateMass = theZ*G4Proton::Proton()->GetPDGMass()+
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(theA-theZ)*G4Neutron::Neutron()->GetPDGMass();
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G4double U = value.m() - std::min(theMaxGroundStateMass, GetGroundStateMass());
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if( U < 0.0 )
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if( U > -10.0 * eV || 0==G4lrint(theA))
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U = 0.0;
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else
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{
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G4cerr << "G4Fragment::G4Fragment Excitation Energy ="
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<<U << " for A = "<<theA<<" and Z= "<<theZ<<G4endl;
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U=0.0;
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}
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return U;
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}
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G4ThreeVector G4Fragment::IsotropicRandom3Vector(const G4double Magnitude) const
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// Create a unit vector with a random direction isotropically distributed
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{
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G4double CosTheta = 1.0 - 2.0*G4UniformRand();
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G4double SinTheta = sqrt(1.0 - CosTheta*CosTheta);
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G4double Phi = twopi*G4UniformRand();
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G4ThreeVector Vector(Magnitude*cos(Phi)*SinTheta,
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Magnitude*sin(Phi)*SinTheta,
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Magnitude*CosTheta);
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return Vector;
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}
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