47 G4cout <<
"G4RPGAntiNeutronInelastic::ApplyYourself called" <<
G4endl;
49 G4cout <<
"target material = " << targetMaterial->
GetName() <<
", ";
60 modifiedOriginal = *originalIncident;
66 G4double p = std::sqrt( std::abs((et-amas)*(et+amas)) );
80 p = std::sqrt( std::abs((et-amas)*(et+amas)) );
90 targetParticle = *originalTarget;
93 G4bool incidentHasChanged =
false;
94 G4bool targetHasChanged =
false;
95 G4bool quasiElastic =
false;
105 Cascade( vec, vecLen,
106 originalIncident, currentParticle, targetParticle,
107 incidentHasChanged, targetHasChanged, quasiElastic );
112 originalIncident, originalTarget, modifiedOriginal,
113 targetNucleus, currentParticle, targetParticle,
114 incidentHasChanged, targetHasChanged, quasiElastic );
117 currentParticle, targetParticle,
118 incidentHasChanged );
120 delete originalTarget;
125 void G4RPGAntiNeutronInelastic::Cascade(
131 G4bool &incidentHasChanged,
148 G4double centerofmassEnergy = std::sqrt( mOriginal*mOriginal +
149 targetMass*targetMass +
150 2.0*targetMass*etOriginal );
151 G4double availableEnergy = centerofmassEnergy-(targetMass+mOriginal);
154 const G4int numMul = 1200;
155 const G4int numMulA = 400;
156 const G4int numSec = 60;
163 G4int counter,
nt=0, np=0, nneg=0, nz=0;
170 for (i = 0; i < numMul; ++i) protmul[i] = 0.0;
171 for (i = 0; i < numSec; ++i) protnorm[i] = 0.0;
173 for (np = 0; np < (numSec/3); ++np) {
174 for (nneg =
std::max(0,np-2); nneg <= np; ++nneg) {
175 for (nz = 0; nz < numSec/3; ++nz) {
176 if (++counter < numMul) {
178 if (nt > 0 && nt <= numSec) {
179 protmul[counter] =
Pmltpc(np,nneg,nz,nt,b[0],c);
180 protnorm[nt-1] += protmul[counter];
187 for( i=0; i<numMul; ++i )neutmul[i] = 0.0;
188 for( i=0; i<numSec; ++i )neutnorm[i] = 0.0;
190 for (np = 0; np < numSec/3; ++np) {
191 for( nneg=
std::max(0,np-1); nneg<=(np+1); ++nneg )
193 for( nz=0; nz<numSec/3; ++nz )
195 if( ++counter < numMul )
198 if( (nt>0) && (nt<=numSec) )
200 neutmul[counter] =
Pmltpc(np,nneg,nz,nt,b[1],c);
201 neutnorm[nt-1] += neutmul[counter];
207 for( i=0; i<numSec; ++i )
209 if( protnorm[i] > 0.0 )protnorm[i] = 1.0/protnorm[i];
210 if( neutnorm[i] > 0.0 )neutnorm[i] = 1.0/neutnorm[i];
215 for( i=0; i<numMulA; ++i )protmulA[i] = 0.0;
216 for( i=0; i<numSec; ++i )protnormA[i] = 0.0;
218 for( np=1; np<(numSec/3); ++np )
221 for( nz=0; nz<numSec/3; ++nz )
223 if( ++counter < numMulA )
226 if( nt>1 && nt<=numSec )
228 protmulA[counter] =
Pmltpc(np,nneg,nz,nt,b[0],c);
229 protnormA[nt-1] += protmulA[counter];
234 for( i=0; i<numMulA; ++i )neutmulA[i] = 0.0;
235 for( i=0; i<numSec; ++i )neutnormA[i] = 0.0;
237 for( np=0; np<numSec/3; ++np )
240 for( nz=0; nz<numSec/3; ++nz )
242 if( ++counter < numMulA )
245 if( nt>1 && nt<=numSec )
247 neutmulA[counter] =
Pmltpc(np,nneg,nz,nt,b[1],c);
248 neutnormA[nt-1] += neutmulA[counter];
253 for( i=0; i<numSec; ++i )
255 if( protnormA[i] > 0.0 )protnormA[i] = 1.0/protnormA[i];
256 if( neutnormA[i] > 0.0 )neutnormA[i] = 1.0/neutnormA[i];
269 const G4double anhl[] = {1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,0.97,0.88,
270 0.85,0.81,0.75,0.64,0.64,0.55,0.55,0.45,0.47,0.40,
271 0.39,0.36,0.33,0.10,0.01};
273 if( iplab > 9 )iplab =
G4int( (pOriginal/
GeV- 1.0)*5.0 ) + 10;
274 if( iplab > 14 )iplab =
G4int( pOriginal/
GeV- 2.0 ) + 15;
275 if( iplab > 22 )iplab =
G4int( (pOriginal/
GeV-10.0)/10.0 ) + 23;
276 if( iplab > 24 )iplab = 24;
279 if( availableEnergy <= aPiPlus->GetPDGMass()/
MeV )
285 const G4double supp[] = {0.,0.4,0.55,0.65,0.75,0.82,0.86,0.90,0.94,0.98};
295 test = std::exp(
std::min( expxu,
std::max( expxl, -(1.0+b[0])*(1.0+b[0])/(2.0*c*c) ) ) );
305 test = std::exp(
std::min( expxu,
std::max( expxl, -(1.0+b[1])*(1.0+b[1])/(2.0*c*c) ) ) );
308 test = std::exp(
std::min( expxu,
std::max( expxl, -(-1.0+b[1])*(-1.0+b[1])/(2.0*c*c) ) ) );
315 else if( ran < wp/wt )
330 for( np=0; np<numSec/3 && ran>=excs; ++np )
332 for( nneg=
std::max(0,np-2); nneg<=np && ran>=excs; ++nneg )
334 for( nz=0; nz<numSec/3 && ran>=excs; ++nz )
336 if( ++counter < numMul )
342 dum = (
pi/anpn)*nt*protmul[counter]*protnorm[nt-1]/(2.0*n*n);
343 if( std::fabs(dum) < 1.0 )
345 if( test >= 1.0e-10 )excs += dum*
test;
364 for( np=0; np<numSec/3 && ran>=excs; ++np )
366 for( nneg=
std::max(0,np-1); nneg<=(np+1) && ran>=excs; ++nneg )
368 for( nz=0; nz<numSec/3 && ran>=excs; ++nz )
370 if( ++counter < numMul )
373 if( (nt>=1) && (nt<=numSec) )
376 dum = (
pi/anpn)*nt*neutmul[counter]*neutnorm[nt-1]/(2.0*n*n);
377 if( std::fabs(dum) < 1.0 )
379 if( test >= 1.0e-10 )excs += dum*
test;
404 incidentHasChanged =
true;
409 targetHasChanged =
true;
415 incidentHasChanged =
true;
416 targetHasChanged =
true;
431 incidentHasChanged =
true;
432 targetHasChanged =
true;
437 incidentHasChanged =
true;
441 targetHasChanged =
true;
448 if( centerofmassEnergy <= 2*aPiPlus->GetPDGMass()/
MeV )
463 for( np=1; (np<numSec/3) && (ran>=excs); ++np )
466 for( nz=0; (nz<numSec/3) && (ran>=excs); ++nz )
468 if( ++counter < numMulA )
471 if( nt>1 && nt<=numSec )
474 dum = (
pi/anpn)*nt*protmulA[counter]*protnormA[nt-1]/(2.0*n*n);
475 if( std::fabs(dum) < 1.0 )
477 if( test >= 1.0e-10 )excs += dum*
test;
489 for( np=0; (np<numSec/3) && (ran>=excs); ++np )
492 for( nz=0; (nz<numSec/3) && (ran>=excs); ++nz )
494 if( ++counter < numMulA )
497 if( (nt>1) && (nt<=numSec) )
500 dum = (
pi/anpn)*nt*neutmulA[counter]*neutnormA[nt-1]/(2.0*n*n);
501 if( std::fabs(dum) < 1.0 )
503 if( test >= 1.0e-10 )excs += dum*
test;
518 currentParticle.
SetMass( 0.0 );
521 while(np+nneg+nz<3) nz++;
G4double EvaporationEffects(G4double kineticEnergy)
G4double GetTotalMomentum() const
G4HadFinalState * ApplyYourself(const G4HadProjectile &aTrack, G4Nucleus &targetNucleus)
void SetUpChange(G4FastVector< G4ReactionProduct, 256 > &vec, G4int &vecLen, G4ReactionProduct ¤tParticle, G4ReactionProduct &targetParticle, G4bool &incidentHasChanged)
void SetKineticEnergy(const G4double en)
void SetMomentum(const G4double x, const G4double y, const G4double z)
const G4String & GetName() const
void SetSide(const G4int sid)
void CalculateMomenta(G4FastVector< G4ReactionProduct, 256 > &vec, G4int &vecLen, const G4HadProjectile *originalIncident, const G4DynamicParticle *originalTarget, G4ReactionProduct &modifiedOriginal, G4Nucleus &targetNucleus, G4ReactionProduct ¤tParticle, G4ReactionProduct &targetParticle, G4bool &incidentHasChanged, G4bool &targetHasChanged, G4bool quasiElastic)
G4ParticleDefinition * GetDefinition() const
void Initialize(G4int items)
G4DynamicParticle * ReturnTargetParticle() const
void SetDefinitionAndUpdateE(G4ParticleDefinition *aParticleDefinition)
const G4String & GetParticleName() const
G4ParticleDefinition * GetDefinition() const
G4double Pmltpc(G4int np, G4int nm, G4int nz, G4int n, G4double b, G4double c)
void SetMass(const G4double mas)
G4GLOB_DLL std::ostream G4cout
const G4ParticleDefinition * GetDefinition() const
static G4AntiProton * AntiProton()
G4double GetKineticEnergy() const
static G4Proton * Proton()
static G4PionPlus * PionPlus()
static G4Neutron * Neutron()
G4double GetKineticEnergy() const
G4double GetPDGMass() const
T max(const T t1, const T t2)
brief Return the largest of the two arguments
G4double Cinema(G4double kineticEnergy)
T min(const T t1, const T t2)
brief Return the smallest of the two arguments
G4ThreeVector GetMomentum() const
G4HadFinalState theParticleChange
const G4Material * GetMaterial() const
void GetNormalizationConstant(const G4double availableEnergy, G4double &n, G4double &anpn)
void SetUpPions(const G4int np, const G4int nm, const G4int nz, G4FastVector< G4ReactionProduct, 256 > &vec, G4int &vecLen)
G4double GetTotalMomentum() const
G4double GetTotalEnergy() const