101 if (polzz!=0 || poltt!=0) {
104 xs*=(1.+polzz*lasym+poltt*tasym);
135 if ( (valueA < -1) || (1 < valueA)) {
136 G4cout<<
" ERROR PolarizedAnnihilationPS::ComputeAsymmetries \n";
137 G4cout<<
" something wrong in total cross section calculation (valueA)\n";
138 G4cout<<
"*********** LONG "<<valueX<<
"\t"<<valueA<<
"\t"<<valueT<<
" energy = "<<gam<<
G4endl;
140 if ( (valueT < -1) || (1 < valueT)) {
141 G4cout<<
" ERROR PolarizedAnnihilationPS::ComputeAsymmetries \n";
142 G4cout<<
" something wrong in total cross section calculation (valueT)\n";
143 G4cout<<
"****** TRAN "<<valueX<<
"\t"<<valueA<<
"\t"<<valueT<<
" energy = "<<gam<<
G4endl;
168 G4double sinTeta = std::sqrt((1.0 - cosTeta)*(1.0 + cosTeta));
170 G4ThreeVector dir(sinTeta*std::cos(phi), sinTeta*std::sin(phi), cosTeta);
189 if (targetIsPolarized)
197 G4double gamam1 = PositKinEnergy/electron_mass_c2;
198 G4double gama = gamam1+1. , gamap1 = gamam1+2.;
199 G4double sqgrate = std::sqrt(gamam1/gamap1)/2. , sqg2m1 = std::sqrt(gamam1*gamap1);
202 G4double epsilmin = 0.5 - sqgrate , epsilmax = 0.5 + sqgrate;
203 G4double epsilqot = epsilmax/epsilmin;
211 G4double gmax=1. + std::fabs(polarization);
217 G4cout<<
"ERROR in PolarizedAnnihilationPS::PostStepDoIt\n"
224 G4cout<<
"ERROR in PolarizedAnnihilationPS::PostStepDoIt\n"
243 if (treject>gmax || treject<0.)
244 G4cout<<
"ERROR in PolarizedAnnihilationPS::PostStepDoIt\n"
245 <<
" eps ("<<epsil<<
") rejection does not work properly: "<<treject<<
G4endl;
247 if (treject>trejectmax) trejectmax=treject;
249 G4cout<<
"WARNING in PolarizedAnnihilationPS::PostStepDoIt\n"
250 <<
"eps dicing very inefficient ="<<trejectmax/gmax
251 <<
", "<<treject/gmax<<
". For secondary energy = "<<epsil<<
" "<<ncount<<
G4endl;
262 G4double cost = (epsil*gamap1-1.)/(epsil*sqg2m1);
263 G4double sint = std::sqrt((1.+cost)*(1.-cost));
296 treject = gdist/gdiced;
298 if (treject>1.+1.e-10 || treject<0){
299 G4cout<<
"!!!ERROR in PolarizedAnnihilationPS::PostStepDoIt\n"
300 <<
" phi rejection does not work properly: "<<treject<<
G4endl;
307 G4cout<<
"!!!ERROR in PolarizedAnnihilationPS::PostStepDoIt\n"
308 <<
" phi rejection does not work properly: "<<treject<<
"\n";
309 G4cout<<
" gdiced="<<gdiced<<
" gdist="<<gdist<<
"\n";
317 G4double dirx = sint*std::cos(phi) , diry = sint*std::sin(phi) , dirz = cost;
322 G4double TotalAvailableEnergy = PositKinEnergy + 2*electron_mass_c2;
323 G4double Phot1Energy = epsil*TotalAvailableEnergy;
324 G4double Phot2Energy =(1.-epsil)*TotalAvailableEnergy;
343 Phot1Direction.rotateUz(PositDirection);
346 Phot1Direction, Phot1Energy);
350 G4cout<<
"ERROR: PolarizedAnnihilation Polarization Vector at epsil = "
351 <<epsil<<
" is too large!!! \n"
363 fvect->push_back(aParticle1);
368 G4double Eratio= Phot1Energy/Phot2Energy;
369 G4double PositP= std::sqrt(PositKinEnergy*(PositKinEnergy+2.*electron_mass_c2));
371 (PositP-dirz*Phot1Energy)/Phot2Energy);
372 Phot2Direction.rotateUz(PositDirection);
375 Phot2Direction, Phot2Energy);
381 G4cout<<
"ERROR: PolarizedAnnihilation Polarization Vector at epsil = "<<epsil<<
" is too large!!! \n";
392 fvect->push_back(aParticle2);
const G4ThreeVector & GetPolarization() const
G4double GetKineticEnergy() const
CLHEP::Hep3Vector G4ThreeVector
virtual ~G4PolarizedAnnihilationModel()
static G4PolarizationManager * GetInstance()
virtual G4double TotalXSection(G4double xmin, G4double xmax, G4double y, const G4StokesVector &pol0, const G4StokesVector &pol1)
static const G4StokesVector P3
G4StokesVector finalGamma2Polarization
G4GLOB_DLL std::ostream G4cout
static const G4StokesVector P2
virtual G4double ComputeCrossSectionPerElectron(const G4ParticleDefinition *, G4double kinEnergy, G4double cutEnergy=0., G4double maxEnergy=DBL_MAX)
G4ParticleChangeForGamma * gParticleChange
virtual G4double ComputeCrossSectionPerElectron(const G4ParticleDefinition *, G4double kinEnergy, G4double cut, G4double emax)
const G4ThreeVector & GetMomentumDirection() const
G4PolarizedAnnihilationCrossSection * crossSectionCalculator
static const double twopi
static const G4StokesVector P1
G4PolarizedAnnihilationModel(const G4ParticleDefinition *p=0, const G4String &nam="Polarized-Annihilation")
static G4ThreeVector GetFrame(const G4ThreeVector &, const G4ThreeVector &)
G4StokesVector theBeamPolarization
void SetPolarization(G4double polX, G4double polY, G4double polZ)
virtual void Initialize(G4double eps, G4double gamma, G4double phi, const G4StokesVector &p0, const G4StokesVector &p1, G4int flag=0)
void ComputeAsymmetriesPerElectron(G4double gammaEnergy, G4double &valueX, G4double &valueA, G4double &valueT)
static const G4double emax
void InvRotateAz(G4ThreeVector nInteractionFrame, G4ThreeVector particleDirection)
G4LogicalVolume * GetLogicalVolume() const
G4StokesVector theTargetPolarization
virtual void Initialise(const G4ParticleDefinition *, const G4DataVector &)
bool IsPolarized(G4LogicalVolume *lVol) const
G4VPhysicalVolume * GetVolume() const
virtual void SampleSecondaries(std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy)
const G4Track * GetCurrentTrack() const
void SetProposedKineticEnergy(G4double proposedKinEnergy)
G4StokesVector finalGamma1Polarization
void ProposeTrackStatus(G4TrackStatus status)
G4ThreeVector G4ParticleMomentum
static const G4StokesVector ZERO
const G4ThreeVector & GetVolumePolarization(G4LogicalVolume *lVol) const
void RotateAz(G4ThreeVector nInteractionFrame, G4ThreeVector particleDirection)
G4ParticleChangeForGamma * GetParticleChangeForGamma()