Geant4 9.6.0
Toolkit for the simulation of the passage of particles through matter
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Public Member Functions | Static Public Member Functions | List of all members
G4ChipsAntiBaryonElasticXS Class Reference

#include <G4ChipsAntiBaryonElasticXS.hh>

+ Inheritance diagram for G4ChipsAntiBaryonElasticXS:

Public Member Functions

 G4ChipsAntiBaryonElasticXS ()
 
 ~G4ChipsAntiBaryonElasticXS ()
 
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 G4ChipsAntiBaryonElasticXS.hh.

Constructor & Destructor Documentation

◆ G4ChipsAntiBaryonElasticXS()

G4ChipsAntiBaryonElasticXS::G4ChipsAntiBaryonElasticXS ( )

Definition at line 55 of file G4ChipsAntiBaryonElasticXS.cc.

55 :G4VCrossSectionDataSet(Default_Name()), nPoints(128), nLast(nPoints-1)
56{
57 lPMin=-8.; //Min tabulatedLogarithmMomentum(D)
58 lPMax= 8.; //Max tabulatedLogarithmMomentum(D)
59 dlnP=(lPMax-lPMin)/nLast;// LogStep inTable (D)
60 onlyCS=true;//Flag toCalculOnlyCS(not Si/Bi)(L)
61 lastSIG=0.; //Last calculated cross section (L)
62 lastLP=-10.;//LastLog(mom_of IncidentHadron)(L)
63 lastTM=0.; //Last t_maximum (L)
64 theSS=0.; //TheLastSqSlope of 1st difr.Max(L)
65 theS1=0.; //TheLastMantissa of 1st difrMax(L)
66 theB1=0.; //TheLastSlope of 1st difructMax(L)
67 theS2=0.; //TheLastMantissa of 2nd difrMax(L)
68 theB2=0.; //TheLastSlope of 2nd difructMax(L)
69 theS3=0.; //TheLastMantissa of 3d difr.Max(L)
70 theB3=0.; //TheLastSlope of 3d difruct.Max(L)
71 theS4=0.; //TheLastMantissa of 4th difrMax(L)
72 theB4=0.; //TheLastSlope of 4th difructMax(L)
73 lastTZ=0; // Last atomic number of the target
74 lastTN=0; // Last # of neutrons in the target
75 lastPIN=0.; // Last initialized max momentum
76 lastCST=0; // Elastic cross-section table
77 lastPAR=0; // ParametersForFunctionCalculation
78 lastSST=0; // E-dep ofSqardSlope of 1st difMax
79 lastS1T=0; // E-dep of mantissa of 1st dif.Max
80 lastB1T=0; // E-dep of the slope of 1st difMax
81 lastS2T=0; // E-dep of mantissa of 2nd difrMax
82 lastB2T=0; // E-dep of the slope of 2nd difMax
83 lastS3T=0; // E-dep of mantissa of 3d difr.Max
84 lastB3T=0; // E-dep of the slope of 3d difrMax
85 lastS4T=0; // E-dep of mantissa of 4th difrMax
86 lastB4T=0; // E-dep of the slope of 4th difMax
87 lastN=0; // The last N of calculated nucleus
88 lastZ=0; // The last Z of calculated nucleus
89 lastP=0.; // LastUsed inCrossSection Momentum
90 lastTH=0.; // Last threshold momentum
91 lastCS=0.; // Last value of the Cross Section
92 lastI=0; // The last position in the DAMDB
93}

◆ ~G4ChipsAntiBaryonElasticXS()

G4ChipsAntiBaryonElasticXS::~G4ChipsAntiBaryonElasticXS ( )

Definition at line 95 of file G4ChipsAntiBaryonElasticXS.cc.

96{
97 std::vector<G4double*>::iterator pos;
98 for (pos=CST.begin(); pos<CST.end(); pos++)
99 { delete [] *pos; }
100 CST.clear();
101 for (pos=PAR.begin(); pos<PAR.end(); pos++)
102 { delete [] *pos; }
103 PAR.clear();
104 for (pos=SST.begin(); pos<SST.end(); pos++)
105 { delete [] *pos; }
106 SST.clear();
107 for (pos=S1T.begin(); pos<S1T.end(); pos++)
108 { delete [] *pos; }
109 S1T.clear();
110 for (pos=B1T.begin(); pos<B1T.end(); pos++)
111 { delete [] *pos; }
112 B1T.clear();
113 for (pos=S2T.begin(); pos<S2T.end(); pos++)
114 { delete [] *pos; }
115 S2T.clear();
116 for (pos=B2T.begin(); pos<B2T.end(); pos++)
117 { delete [] *pos; }
118 B2T.clear();
119 for (pos=S3T.begin(); pos<S3T.end(); pos++)
120 { delete [] *pos; }
121 S3T.clear();
122 for (pos=B3T.begin(); pos<B3T.end(); pos++)
123 { delete [] *pos; }
124 B3T.clear();
125 for (pos=S4T.begin(); pos<S4T.end(); pos++)
126 { delete [] *pos; }
127 S4T.clear();
128 for (pos=B4T.begin(); pos<B4T.end(); pos++)
129 { delete [] *pos; }
130 B4T.clear();
131}

Member Function Documentation

◆ Default_Name()

static const char * G4ChipsAntiBaryonElasticXS::Default_Name ( )
inlinestatic

Definition at line 56 of file G4ChipsAntiBaryonElasticXS.hh.

56{return "ChipsAntiBaryonElasticXS";}

Referenced by G4ChipsComponentXS::G4ChipsComponentXS(), and G4ChipsElasticModel::G4ChipsElasticModel().

◆ GetChipsCrossSection()

G4double G4ChipsAntiBaryonElasticXS::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 193 of file G4ChipsAntiBaryonElasticXS.cc.

194{
195 static std::vector <G4int> colN; // Vector of N for calculated nuclei (isotops)
196 static std::vector <G4int> colZ; // Vector of Z for calculated nuclei (isotops)
197 static std::vector <G4double> colP; // Vector of last momenta for the reaction
198 static std::vector <G4double> colTH; // Vector of energy thresholds for the reaction
199 static std::vector <G4double> colCS; // Vector of last cross sections for the reaction
200 // ***---*** End of the mandatory Static Definitions of the Associative Memory ***---***
201
202 G4bool fCS = false;
203
204 G4double pEn=pMom;
205 onlyCS=fCS;
206
207 G4bool in=false; // By default the isotope must be found in the AMDB
208 lastP = 0.; // New momentum history (nothing to compare with)
209 lastN = tgN; // The last N of the calculated nucleus
210 lastZ = tgZ; // The last Z of the calculated nucleus
211 lastI = colN.size(); // Size of the Associative Memory DB in the heap
212 if(lastI) for(G4int i=0; i<lastI; i++) // Loop over proj/tgZ/tgN lines of DB
213 { // The nucleus with projPDG is found in AMDB
214 if(colN[i]==tgN && colZ[i]==tgZ) // Isotope is foind in AMDB
215 {
216 lastI=i;
217 lastTH =colTH[i]; // Last THreshold (A-dependent)
218 if(pEn<=lastTH)
219 {
220 return 0.; // Energy is below the Threshold value
221 }
222 lastP =colP [i]; // Last Momentum (A-dependent)
223 lastCS =colCS[i]; // Last CrossSect (A-dependent)
224 // if(std::fabs(lastP/pMom-1.)<tolerance) //VI (do not use tolerance)
225 if(lastP == pMom) // Do not recalculate
226 {
227 CalculateCrossSection(fCS,-1,i,pPDG,lastZ,lastN,pMom); // Update param's only
228 return lastCS*millibarn; // Use theLastCS
229 }
230 in = true; // This is the case when the isotop is found in DB
231 // Momentum pMom is in IU ! @@ Units
232 lastCS=CalculateCrossSection(fCS,-1,i,pPDG,lastZ,lastN,pMom); // read & update
233 if(lastCS<=0. && pEn>lastTH) // Correct the threshold
234 {
235 lastTH=pEn;
236 }
237 break; // Go out of the LOOP with found lastI
238 }
239 } // End of attampt to find the nucleus in DB
240 if(!in) // This nucleus has not been calculated previously
241 {
242 //!!The slave functions must provide cross-sections in millibarns (mb) !! (not in IU)
243 lastCS=CalculateCrossSection(fCS,0,lastI,pPDG,lastZ,lastN,pMom);//calculate&create
244 if(lastCS<=0.)
245 {
246 lastTH = 0; // ThresholdEnergy(tgZ, tgN); // The Threshold Energy which is now the last
247 if(pEn>lastTH)
248 {
249 lastTH=pEn;
250 }
251 }
252 colN.push_back(tgN);
253 colZ.push_back(tgZ);
254 colP.push_back(pMom);
255 colTH.push_back(lastTH);
256 colCS.push_back(lastCS);
257 return lastCS*millibarn;
258 } // End of creation of the new set of parameters
259 else
260 {
261 colP[lastI]=pMom;
262 colCS[lastI]=lastCS;
263 }
264 return lastCS*millibarn;
265}
G4double
double G4double
Definition: G4Types.hh:64
G4int
int G4int
Definition: G4Types.hh:66
G4bool
bool G4bool
Definition: G4Types.hh:67

Referenced by G4ChipsComponentXS::GetElasticElementCrossSection(), GetIsoCrossSection(), G4ChipsComponentXS::GetTotalElementCrossSection(), and G4ChipsElasticModel::SampleInvariantT().

◆ GetExchangeT()

G4double G4ChipsAntiBaryonElasticXS::GetExchangeT ( G4int  tZ,
G4int  tN,
G4int  pPDG 
)

Definition at line 640 of file G4ChipsAntiBaryonElasticXS.cc.

641{
642 static const G4double GeVSQ=gigaelectronvolt*gigaelectronvolt;
643 static const G4double third=1./3.;
644 static const G4double fifth=1./5.;
645 static const G4double sevth=1./7.;
646
647 if(PDG<-3334 || PDG>-1111)G4cout<<"*Warning*G4QAntiBaryonElCS::GetExT:PDG="<<PDG<<G4endl;
648 if(onlyCS)G4cout<<"WarningG4ChipsAntiBaryonElasticXS::GetExchanT:onlyCS=1"<<G4endl;
649 if(lastLP<-4.3) return lastTM*GeVSQ*G4UniformRand();// S-wave for p<14 MeV/c (kinE<.1MeV)
650 G4double q2=0.;
651 if(tgZ==1 && tgN==0) // ===> p+p=p+p
652 {
653 G4double E1=lastTM*theB1;
654 G4double R1=(1.-std::exp(-E1));
655 G4double E2=lastTM*theB2;
656 G4double R2=(1.-std::exp(-E2*E2*E2));
657 G4double E3=lastTM*theB3;
658 G4double R3=(1.-std::exp(-E3));
659 G4double I1=R1*theS1/theB1;
660 G4double I2=R2*theS2;
661 G4double I3=R3*theS3;
662 G4double I12=I1+I2;
663 G4double rand=(I12+I3)*G4UniformRand();
664 if (rand<I1 )
665 {
666 G4double ran=R1*G4UniformRand();
667 if(ran>1.) ran=1.;
668 q2=-std::log(1.-ran)/theB1;
669 }
670 else if(rand<I12)
671 {
672 G4double ran=R2*G4UniformRand();
673 if(ran>1.) ran=1.;
674 q2=-std::log(1.-ran);
675 if(q2<0.) q2=0.;
676 q2=std::pow(q2,third)/theB2;
677 }
678 else
679 {
680 G4double ran=R3*G4UniformRand();
681 if(ran>1.) ran=1.;
682 q2=-std::log(1.-ran)/theB3;
683 }
684 }
685 else
686 {
687 G4double a=tgZ+tgN;
688 G4double E1=lastTM*(theB1+lastTM*theSS);
689 G4double R1=(1.-std::exp(-E1));
690 G4double tss=theSS+theSS; // for future solution of quadratic equation (imediate check)
691 G4double tm2=lastTM*lastTM;
692 G4double E2=lastTM*tm2*theB2; // power 3 for lowA, 5 for HighA (1st)
693 if(a>6.5)E2*=tm2; // for heavy nuclei
694 G4double R2=(1.-std::exp(-E2));
695 G4double E3=lastTM*theB3;
696 if(a>6.5)E3*=tm2*tm2*tm2; // power 1 for lowA, 7 (2nd) for HighA
697 G4double R3=(1.-std::exp(-E3));
698 G4double E4=lastTM*theB4;
699 G4double R4=(1.-std::exp(-E4));
700 G4double I1=R1*theS1;
701 G4double I2=R2*theS2;
702 G4double I3=R3*theS3;
703 G4double I4=R4*theS4;
704 G4double I12=I1+I2;
705 G4double I13=I12+I3;
706 G4double rand=(I13+I4)*G4UniformRand();
707 if(rand<I1)
708 {
709 G4double ran=R1*G4UniformRand();
710 if(ran>1.) ran=1.;
711 q2=-std::log(1.-ran)/theB1;
712 if(std::fabs(tss)>1.e-7) q2=(std::sqrt(theB1*(theB1+(tss+tss)*q2))-theB1)/tss;
713 }
714 else if(rand<I12)
715 {
716 G4double ran=R2*G4UniformRand();
717 if(ran>1.) ran=1.;
718 q2=-std::log(1.-ran)/theB2;
719 if(q2<0.) q2=0.;
720 if(a<6.5) q2=std::pow(q2,third);
721 else q2=std::pow(q2,fifth);
722 }
723 else if(rand<I13)
724 {
725 G4double ran=R3*G4UniformRand();
726 if(ran>1.) ran=1.;
727 q2=-std::log(1.-ran)/theB3;
728 if(q2<0.) q2=0.;
729 if(a>6.5) q2=std::pow(q2,sevth);
730 }
731 else
732 {
733 G4double ran=R4*G4UniformRand();
734 if(ran>1.) ran=1.;
735 q2=-std::log(1.-ran)/theB4;
736 if(a<6.5) q2=lastTM-q2; // u reduced for lightA (starts from 0)
737 }
738 }
739 if(q2<0.) q2=0.;
740 if(!(q2>=-1.||q2<=1.))G4cout<<"*NAN*G4QaBElasticCrossSect::GetExchangeT:-t="<<q2<<G4endl;
741 if(q2>lastTM)
742 {
743 q2=lastTM;
744 }
745 return q2*GeVSQ;
746}
G4endl
#define G4endl
Definition: G4ios.hh:52
G4cout
G4DLLIMPORT std::ostream G4cout
G4UniformRand
#define G4UniformRand()
Definition: Randomize.hh:53

Referenced by G4ChipsElasticModel::SampleInvariantT().

◆ GetIsoCrossSection()

G4double G4ChipsAntiBaryonElasticXS::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 181 of file G4ChipsAntiBaryonElasticXS.cc.

185{
186 G4double pMom=Pt->GetTotalMomentum();
187 G4int tgN = A - tgZ;
188 G4int pdg = Pt->GetDefinition()->GetPDGEncoding();
189
190 return GetChipsCrossSection(pMom, tgZ, tgN, pdg);
191}
G4ChipsAntiBaryonElasticXS::GetChipsCrossSection
virtual G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg)
Definition: G4ChipsAntiBaryonElasticXS.cc:193
G4DynamicParticle::GetDefinition
G4ParticleDefinition * GetDefinition() const
G4DynamicParticle::GetTotalMomentum
G4double GetTotalMomentum() const

◆ IsIsoApplicable()

G4bool G4ChipsAntiBaryonElasticXS::IsIsoApplicable ( const G4DynamicParticle *  Pt,
G4int  Z,
G4int  A,
const G4Element *  elm,
const G4Material *  mat 
)
virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 134 of file G4ChipsAntiBaryonElasticXS.cc.

137{
138 G4ParticleDefinition* particle = Pt->GetDefinition();
139
140 if(particle == G4AntiNeutron::AntiNeutron())
141 {
142 return true;
143 }
144 else if(particle == G4AntiProton::AntiProton())
145 {
146 return true;
147 }
148 else if(particle == G4AntiLambda::AntiLambda())
149 {
150 return true;
151 }
152 else if(particle == G4AntiSigmaPlus::AntiSigmaPlus())
153 {
154 return true;
155 }
156 else if(particle == G4AntiSigmaMinus::AntiSigmaMinus())
157 {
158 return true;
159 }
160 else if(particle == G4AntiSigmaZero::AntiSigmaZero())
161 {
162 return true;
163 }
164 else if(particle == G4AntiXiMinus::AntiXiMinus())
165 {
166 return true;
167 }
168 else if(particle == G4AntiXiZero::AntiXiZero())
169 {
170 return true;
171 }
172 else if(particle == G4AntiOmegaMinus::AntiOmegaMinus())
173 {
174 return true;
175 }
176 return false;
177}
G4AntiLambda::AntiLambda
static G4AntiLambda * AntiLambda()
Definition: G4AntiLambda.cc:108
G4AntiNeutron::AntiNeutron
static G4AntiNeutron * AntiNeutron()
Definition: G4AntiNeutron.cc:103
G4AntiOmegaMinus::AntiOmegaMinus
static G4AntiOmegaMinus * AntiOmegaMinus()
Definition: G4AntiOmegaMinus.cc:110
G4AntiProton::AntiProton
static G4AntiProton * AntiProton()
Definition: G4AntiProton.cc:93
G4AntiSigmaMinus::AntiSigmaMinus
static G4AntiSigmaMinus * AntiSigmaMinus()
Definition: G4AntiSigmaMinus.cc:106
G4AntiSigmaPlus::AntiSigmaPlus
static G4AntiSigmaPlus * AntiSigmaPlus()
Definition: G4AntiSigmaPlus.cc:108
G4AntiSigmaZero::AntiSigmaZero
static G4AntiSigmaZero * AntiSigmaZero()
Definition: G4AntiSigmaZero.cc:99
G4AntiXiMinus::AntiXiMinus
static G4AntiXiMinus * AntiXiMinus()
Definition: G4AntiXiMinus.cc:105
G4AntiXiZero::AntiXiZero
static G4AntiXiZero * AntiXiZero()
Definition: G4AntiXiZero.cc:106
The documentation for this class was generated from the following files: