Geant4 9.6.0
Toolkit for the simulation of the passage of particles through matter
Loading...
Searching...
No Matches
Public Member Functions | Static Public Member Functions | List of all members
G4ChipsHyperonElasticXS Class Reference

#include <G4ChipsHyperonElasticXS.hh>

+ Inheritance diagram for G4ChipsHyperonElasticXS:

Public Member Functions

 G4ChipsHyperonElasticXS ()
 
 ~G4ChipsHyperonElasticXS ()
 
virtual G4bool IsIsoApplicable (const G4DynamicParticle *Pt, G4int Z, G4int A, const G4Element *elm, const G4Material *mat)
 
virtual G4double GetIsoCrossSection (const G4DynamicParticle *, G4int tgZ, G4int A, const G4Isotope *iso=0, const G4Element *elm=0, const G4Material *mat=0)
 
virtual G4double GetChipsCrossSection (G4double momentum, G4int Z, G4int N, G4int pdg)
 
G4double GetExchangeT (G4int tZ, G4int tN, G4int pPDG)
 
- Public Member Functions inherited from G4VCrossSectionDataSet
 G4VCrossSectionDataSet (const G4String &nam="")
 
virtual ~G4VCrossSectionDataSet ()
 
virtual G4bool IsElementApplicable (const G4DynamicParticle *, G4int Z, const G4Material *mat=0)
 
virtual G4bool IsIsoApplicable (const G4DynamicParticle *, G4int Z, G4int A, const G4Element *elm=0, const G4Material *mat=0)
 
G4double GetCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *mat=0)
 
G4double ComputeCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *mat=0)
 
virtual G4double GetElementCrossSection (const G4DynamicParticle *, G4int Z, const G4Material *mat=0)
 
virtual G4double GetIsoCrossSection (const G4DynamicParticle *, G4int Z, G4int A, const G4Isotope *iso=0, const G4Element *elm=0, const G4Material *mat=0)
 
virtual G4Isotope * SelectIsotope (const G4Element *, G4double kinEnergy)
 
virtual void BuildPhysicsTable (const G4ParticleDefinition &)
 
virtual void DumpPhysicsTable (const G4ParticleDefinition &)
 
virtual void CrossSectionDescription (std::ostream &) const
 
void SetVerboseLevel (G4int value)
 
G4double GetMinKinEnergy () const
 
void SetMinKinEnergy (G4double value)
 
G4double GetMaxKinEnergy () const
 
void SetMaxKinEnergy (G4double value)
 
const G4String & GetName () const
 

Static Public Member Functions

static const char * Default_Name ()
 

Additional Inherited Members

- Protected Member Functions inherited from G4VCrossSectionDataSet
void SetName (const G4String &)
 
- Protected Attributes inherited from G4VCrossSectionDataSet
G4int verboseLevel
 

Detailed Description

Definition at line 47 of file G4ChipsHyperonElasticXS.hh.

Constructor & Destructor Documentation

◆ G4ChipsHyperonElasticXS()

G4ChipsHyperonElasticXS::G4ChipsHyperonElasticXS ( )

Definition at line 60 of file G4ChipsHyperonElasticXS.cc.

60 :G4VCrossSectionDataSet(Default_Name()), nPoints(128), nLast(nPoints-1)
61{
62 lPMin=-8.; //Min tabulatedLogarithmMomentum(D)
63 lPMax= 8.; //Max tabulatedLogarithmMomentum(D)
64 dlnP=(lPMax-lPMin)/nLast;// LogStep inTable (D)
65 onlyCS=true;//Flag toCalculOnlyCS(not Si/Bi)(L)
66 lastSIG=0.; //Last calculated cross section (L)
67 lastLP=-10.;//LastLog(mom_of IncidentHadron)(L)
68 lastTM=0.; //Last t_maximum (L)
69 theSS=0.; //TheLastSqSlope of 1st difr.Max(L)
70 theS1=0.; //TheLastMantissa of 1st difrMax(L)
71 theB1=0.; //TheLastSlope of 1st difructMax(L)
72 theS2=0.; //TheLastMantissa of 2nd difrMax(L)
73 theB2=0.; //TheLastSlope of 2nd difructMax(L)
74 theS3=0.; //TheLastMantissa of 3d difr.Max(L)
75 theB3=0.; //TheLastSlope of 3d difruct.Max(L)
76 theS4=0.; //TheLastMantissa of 4th difrMax(L)
77 theB4=0.; //TheLastSlope of 4th difructMax(L)
78 lastTZ=0; // Last atomic number of the target
79 lastTN=0; // Last # of neutrons in the target
80 lastPIN=0.; // Last initialized max momentum
81 lastCST=0; // Elastic cross-section table
82 lastPAR=0; // ParametersForFunctionCalculation
83 lastSST=0; // E-dep ofSqardSlope of 1st difMax
84 lastS1T=0; // E-dep of mantissa of 1st dif.Max
85 lastB1T=0; // E-dep of the slope of 1st difMax
86 lastS2T=0; // E-dep of mantissa of 2nd difrMax
87 lastB2T=0; // E-dep of the slope of 2nd difMax
88 lastS3T=0; // E-dep of mantissa of 3d difr.Max
89 lastB3T=0; // E-dep of the slope of 3d difrMax
90 lastS4T=0; // E-dep of mantissa of 4th difrMax
91 lastB4T=0; // E-dep of the slope of 4th difMax
92 lastN=0; // The last N of calculated nucleus
93 lastZ=0; // The last Z of calculated nucleus
94 lastP=0.; // LastUsed inCrossSection Momentum
95 lastTH=0.; // Last threshold momentum
96 lastCS=0.; // Last value of the Cross Section
97 lastI=0; // The last position in the DAMDB
98}
G4ChipsHyperonElasticXS::Default_Name
static const char * Default_Name()
Definition: G4ChipsHyperonElasticXS.hh:55

◆ ~G4ChipsHyperonElasticXS()

G4ChipsHyperonElasticXS::~G4ChipsHyperonElasticXS ( )

Definition at line 100 of file G4ChipsHyperonElasticXS.cc.

101{
102 std::vector<G4double*>::iterator pos;
103 for (pos=CST.begin(); pos<CST.end(); pos++)
104 { delete [] *pos; }
105 CST.clear();
106 for (pos=PAR.begin(); pos<PAR.end(); pos++)
107 { delete [] *pos; }
108 PAR.clear();
109 for (pos=SST.begin(); pos<SST.end(); pos++)
110 { delete [] *pos; }
111 SST.clear();
112 for (pos=S1T.begin(); pos<S1T.end(); pos++)
113 { delete [] *pos; }
114 S1T.clear();
115 for (pos=B1T.begin(); pos<B1T.end(); pos++)
116 { delete [] *pos; }
117 B1T.clear();
118 for (pos=S2T.begin(); pos<S2T.end(); pos++)
119 { delete [] *pos; }
120 S2T.clear();
121 for (pos=B2T.begin(); pos<B2T.end(); pos++)
122 { delete [] *pos; }
123 B2T.clear();
124 for (pos=S3T.begin(); pos<S3T.end(); pos++)
125 { delete [] *pos; }
126 S3T.clear();
127 for (pos=B3T.begin(); pos<B3T.end(); pos++)
128 { delete [] *pos; }
129 B3T.clear();
130 for (pos=S4T.begin(); pos<S4T.end(); pos++)
131 { delete [] *pos; }
132 S4T.clear();
133 for (pos=B4T.begin(); pos<B4T.end(); pos++)
134 { delete [] *pos; }
135 B4T.clear();
136}

Member Function Documentation

◆ Default_Name()

static const char * G4ChipsHyperonElasticXS::Default_Name ( )
inlinestatic

Definition at line 55 of file G4ChipsHyperonElasticXS.hh.

55{return "ChipsHyperonElasticXS";}

Referenced by G4ChipsComponentXS::G4ChipsComponentXS().

◆ GetChipsCrossSection()

G4double G4ChipsHyperonElasticXS::GetChipsCrossSection ( G4double  momentum,
G4int  Z,
G4int  N,
G4int  pdg 
)
virtual

!The slave functions must provide cross-sections in millibarns (mb) !! (not in IU)

Definition at line 188 of file G4ChipsHyperonElasticXS.cc.

189{
190 static std::vector <G4int> colN; // Vector of N for calculated nuclei (isotops)
191 static std::vector <G4int> colZ; // Vector of Z for calculated nuclei (isotops)
192 static std::vector <G4double> colP; // Vector of last momenta for the reaction
193 static std::vector <G4double> colTH; // Vector of energy thresholds for the reaction
194 static std::vector <G4double> colCS; // Vector of last cross sections for the reaction
195 // ***---*** End of the mandatory Static Definitions of the Associative Memory ***---***
196
197 G4bool fCS = false;
198 G4double pEn=pMom;
199
200 onlyCS=fCS;
201
202 G4bool in=false; // By default the isotope must be found in the AMDB
203 lastP = 0.; // New momentum history (nothing to compare with)
204 lastN = tgN; // The last N of the calculated nucleus
205 lastZ = tgZ; // The last Z of the calculated nucleus
206 lastI = colN.size(); // Size of the Associative Memory DB in the heap
207 if(lastI) for(G4int i=0; i<lastI; i++) // Loop over proj/tgZ/tgN lines of DB
208 { // The nucleus with projPDG is found in AMDB
209 if(colN[i]==tgN && colZ[i]==tgZ) // Isotope is foind in AMDB
210 {
211 lastI=i;
212 lastTH =colTH[i]; // Last THreshold (A-dependent)
213 if(pEn<=lastTH)
214 {
215 return 0.; // Energy is below the Threshold value
216 }
217 lastP =colP [i]; // Last Momentum (A-dependent)
218 lastCS =colCS[i]; // Last CrossSect (A-dependent)
219 // if(std::fabs(lastP/pMom-1.)<tolerance) //VI (do not use tolerance)
220 if(lastP == pMom) // Do not recalculate
221 {
222 CalculateCrossSection(fCS,-1,i,pPDG,lastZ,lastN,pMom); // Update param's only
223 return lastCS*millibarn; // Use theLastCS
224 }
225 in = true; // This is the case when the isotop is found in DB
226 // Momentum pMom is in IU ! @@ Units
227 lastCS=CalculateCrossSection(fCS,-1,i,pPDG,lastZ,lastN,pMom); // read & update
228 if(lastCS<=0. && pEn>lastTH) // Correct the threshold
229 {
230 lastTH=pEn;
231 }
232 break; // Go out of the LOOP with found lastI
233 }
234 } // End of attampt to find the nucleus in DB
235 if(!in) // This nucleus has not been calculated previously
236 {
237 //!!The slave functions must provide cross-sections in millibarns (mb) !! (not in IU)
238 lastCS=CalculateCrossSection(fCS,0,lastI,pPDG,lastZ,lastN,pMom);//calculate&create
239 if(lastCS<=0.)
240 {
241 lastTH = 0; //ThresholdEnergy(tgZ, tgN); // The Threshold Energy which is now the last
242 if(pEn>lastTH)
243 {
244 lastTH=pEn;
245 }
246 }
247 colN.push_back(tgN);
248 colZ.push_back(tgZ);
249 colP.push_back(pMom);
250 colTH.push_back(lastTH);
251 colCS.push_back(lastCS);
252 return lastCS*millibarn;
253 } // End of creation of the new set of parameters
254 else
255 {
256 colP[lastI]=pMom;
257 colCS[lastI]=lastCS;
258 }
259 return lastCS*millibarn;
260}
G4double
double G4double
Definition: G4Types.hh:64
G4int
int G4int
Definition: G4Types.hh:66
G4bool
bool G4bool
Definition: G4Types.hh:67

Referenced by GetIsoCrossSection(), and G4ChipsComponentXS::GetTotalElementCrossSection().

◆ GetExchangeT()

G4double G4ChipsHyperonElasticXS::GetExchangeT ( G4int  tZ,
G4int  tN,
G4int  pPDG 
)

Definition at line 634 of file G4ChipsHyperonElasticXS.cc.

635{
636 static const G4double GeVSQ=gigaelectronvolt*gigaelectronvolt;
637 static const G4double third=1./3.;
638 static const G4double fifth=1./5.;
639 static const G4double sevth=1./7.;
640 if(PDG==3222 || PDG<3000 || PDG>3334)G4cout<<"*Warning*G4QHyElCS::GET:PDG="<<PDG<<G4endl;
641 if(onlyCS)G4cout<<"*Warning*G4ChipsHyperonElasticXS::GetExchanT: onlyCS=1"<<G4endl;
642 if(lastLP<-4.3) return lastTM*GeVSQ*G4UniformRand();// S-wave for p<14 MeV/c (kinE<.1MeV)
643 G4double q2=0.;
644 if(tgZ==1 && tgN==0) // ===> p+p=p+p
645 {
646 G4double E1=lastTM*theB1;
647 G4double R1=(1.-std::exp(-E1));
648 G4double E2=lastTM*theB2;
649 G4double R2=(1.-std::exp(-E2*E2*E2));
650 G4double E3=lastTM*theB3;
651 G4double R3=(1.-std::exp(-E3));
652 G4double I1=R1*theS1/theB1;
653 G4double I2=R2*theS2;
654 G4double I3=R3*theS3;
655 G4double I12=I1+I2;
656 G4double rand=(I12+I3)*G4UniformRand();
657 if (rand<I1 )
658 {
659 G4double ran=R1*G4UniformRand();
660 if(ran>1.) ran=1.;
661 q2=-std::log(1.-ran)/theB1;
662 }
663 else if(rand<I12)
664 {
665 G4double ran=R2*G4UniformRand();
666 if(ran>1.) ran=1.;
667 q2=-std::log(1.-ran);
668 if(q2<0.) q2=0.;
669 q2=std::pow(q2,third)/theB2;
670 }
671 else
672 {
673 G4double ran=R3*G4UniformRand();
674 if(ran>1.) ran=1.;
675 q2=-std::log(1.-ran)/theB3;
676 }
677 }
678 else
679 {
680 G4double a=tgZ+tgN;
681 G4double E1=lastTM*(theB1+lastTM*theSS);
682 G4double R1=(1.-std::exp(-E1));
683 G4double tss=theSS+theSS; // for future solution of quadratic equation (imediate check)
684 G4double tm2=lastTM*lastTM;
685 G4double E2=lastTM*tm2*theB2; // power 3 for lowA, 5 for HighA (1st)
686 if(a>6.5)E2*=tm2; // for heavy nuclei
687 G4double R2=(1.-std::exp(-E2));
688 G4double E3=lastTM*theB3;
689 if(a>6.5)E3*=tm2*tm2*tm2; // power 1 for lowA, 7 (2nd) for HighA
690 G4double R3=(1.-std::exp(-E3));
691 G4double E4=lastTM*theB4;
692 G4double R4=(1.-std::exp(-E4));
693 G4double I1=R1*theS1;
694 G4double I2=R2*theS2;
695 G4double I3=R3*theS3;
696 G4double I4=R4*theS4;
697 G4double I12=I1+I2;
698 G4double I13=I12+I3;
699 G4double rand=(I13+I4)*G4UniformRand();
700 if(rand<I1)
701 {
702 G4double ran=R1*G4UniformRand();
703 if(ran>1.) ran=1.;
704 q2=-std::log(1.-ran)/theB1;
705 if(std::fabs(tss)>1.e-7) q2=(std::sqrt(theB1*(theB1+(tss+tss)*q2))-theB1)/tss;
706 }
707 else if(rand<I12)
708 {
709 G4double ran=R2*G4UniformRand();
710 if(ran>1.) ran=1.;
711 q2=-std::log(1.-ran)/theB2;
712 if(q2<0.) q2=0.;
713 if(a<6.5) q2=std::pow(q2,third);
714 else q2=std::pow(q2,fifth);
715 }
716 else if(rand<I13)
717 {
718 G4double ran=R3*G4UniformRand();
719 if(ran>1.) ran=1.;
720 q2=-std::log(1.-ran)/theB3;
721 if(q2<0.) q2=0.;
722 if(a>6.5) q2=std::pow(q2,sevth);
723 }
724 else
725 {
726 G4double ran=R4*G4UniformRand();
727 if(ran>1.) ran=1.;
728 q2=-std::log(1.-ran)/theB4;
729 if(a<6.5) q2=lastTM-q2; // u reduced for lightA (starts from 0)
730 }
731 }
732 if(q2<0.) q2=0.;
733 if(!(q2>=-1.||q2<=1.))G4cout<<"*NAN*G4QHyElasticCrossSect::GetExchangeT:-t="<<q2<<G4endl;
734 if(q2>lastTM)
735 {
736 q2=lastTM;
737 }
738 return q2*GeVSQ;
739}
G4endl
#define G4endl
Definition: G4ios.hh:52
G4cout
G4DLLIMPORT std::ostream G4cout
G4UniformRand
#define G4UniformRand()
Definition: Randomize.hh:53

◆ GetIsoCrossSection()

G4double G4ChipsHyperonElasticXS::GetIsoCrossSection ( const G4DynamicParticle *  Pt,
G4int  tgZ,
G4int  A,
const G4Isotope *  iso = 0,
const G4Element *  elm = 0,
const G4Material *  mat = 0 
)
virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 176 of file G4ChipsHyperonElasticXS.cc.

180{
181 G4double pMom=Pt->GetTotalMomentum();
182 G4int tgN = A - tgZ;
183 G4int pdg = Pt->GetDefinition()->GetPDGEncoding();
184
185 return GetChipsCrossSection(pMom, tgZ, tgN, pdg);
186}
G4ChipsHyperonElasticXS::GetChipsCrossSection
virtual G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg)
Definition: G4ChipsHyperonElasticXS.cc:188
G4DynamicParticle::GetDefinition
G4ParticleDefinition * GetDefinition() const
G4DynamicParticle::GetTotalMomentum
G4double GetTotalMomentum() const

◆ IsIsoApplicable()

G4bool G4ChipsHyperonElasticXS::IsIsoApplicable ( const G4DynamicParticle *  Pt,
G4int  Z,
G4int  A,
const G4Element *  elm,
const G4Material *  mat 
)
virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 138 of file G4ChipsHyperonElasticXS.cc.

141{
142 G4ParticleDefinition* particle = Pt->GetDefinition();
143 if (particle == G4Lambda::Lambda())
144 {
145 return true;
146 }
147 else if(particle == G4SigmaPlus::SigmaPlus())
148 {
149 return true;
150 }
151 else if(particle == G4SigmaMinus::SigmaMinus())
152 {
153 return true;
154 }
155 else if(particle == G4SigmaZero::SigmaZero())
156 {
157 return true;
158 }
159 else if(particle == G4XiMinus::XiMinus())
160 {
161 return true;
162 }
163 else if(particle == G4XiZero::XiZero())
164 {
165 return true;
166 }
167 else if(particle == G4OmegaMinus::OmegaMinus())
168 {
169 return true;
170 }
171 return false;
172}
G4Lambda::Lambda
static G4Lambda * Lambda()
Definition: G4Lambda.cc:108
G4OmegaMinus::OmegaMinus
static G4OmegaMinus * OmegaMinus()
Definition: G4OmegaMinus.cc:110
G4SigmaMinus::SigmaMinus
static G4SigmaMinus * SigmaMinus()
Definition: G4SigmaMinus.cc:106
G4SigmaPlus::SigmaPlus
static G4SigmaPlus * SigmaPlus()
Definition: G4SigmaPlus.cc:108
G4SigmaZero::SigmaZero
static G4SigmaZero * SigmaZero()
Definition: G4SigmaZero.cc:99
G4XiMinus::XiMinus
static G4XiMinus * XiMinus()
Definition: G4XiMinus.cc:106
G4XiZero::XiZero
static G4XiZero * XiZero()
Definition: G4XiZero.cc:106
The documentation for this class was generated from the following files: