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G4ChipsAntiBaryonElasticXS Class Reference

#include <G4ChipsAntiBaryonElasticXS.hh>

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Public Member Functions

 G4ChipsAntiBaryonElasticXS ()
 
 ~G4ChipsAntiBaryonElasticXS ()
 
virtual void CrossSectionDescription (std::ostream &) const
 
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)
 
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 G4Isotope * SelectIsotope (const G4Element *, G4double kinEnergy)
 
virtual void BuildPhysicsTable (const G4ParticleDefinition &)
 
virtual void DumpPhysicsTable (const G4ParticleDefinition &)
 
virtual G4int GetVerboseLevel () const
 
virtual 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 46 of file G4ChipsAntiBaryonElasticXS.hh.

Constructor & Destructor Documentation

G4ChipsAntiBaryonElasticXS::G4ChipsAntiBaryonElasticXS ( )

Definition at line 59 of file G4ChipsAntiBaryonElasticXS.cc.

59  :G4VCrossSectionDataSet(Default_Name()), nPoints(128), nLast(nPoints-1)
60 {
61  lPMin=-8.; //Min tabulatedLogarithmMomentum(D)
62  lPMax= 8.; //Max tabulatedLogarithmMomentum(D)
63  dlnP=(lPMax-lPMin)/nLast;// LogStep inTable (D)
64  onlyCS=true;//Flag toCalculOnlyCS(not Si/Bi)(L)
65  lastSIG=0.; //Last calculated cross section (L)
66  lastLP=-10.;//LastLog(mom_of IncidentHadron)(L)
67  lastTM=0.; //Last t_maximum (L)
68  theSS=0.; //TheLastSqSlope of 1st difr.Max(L)
69  theS1=0.; //TheLastMantissa of 1st difrMax(L)
70  theB1=0.; //TheLastSlope of 1st difructMax(L)
71  theS2=0.; //TheLastMantissa of 2nd difrMax(L)
72  theB2=0.; //TheLastSlope of 2nd difructMax(L)
73  theS3=0.; //TheLastMantissa of 3d difr.Max(L)
74  theB3=0.; //TheLastSlope of 3d difruct.Max(L)
75  theS4=0.; //TheLastMantissa of 4th difrMax(L)
76  theB4=0.; //TheLastSlope of 4th difructMax(L)
77  lastTZ=0; // Last atomic number of the target
78  lastTN=0; // Last # of neutrons in the target
79  lastPIN=0.; // Last initialized max momentum
80  lastCST=0; // Elastic cross-section table
81  lastPAR=0; // ParametersForFunctionCalculation
82  lastSST=0; // E-dep ofSqardSlope of 1st difMax
83  lastS1T=0; // E-dep of mantissa of 1st dif.Max
84  lastB1T=0; // E-dep of the slope of 1st difMax
85  lastS2T=0; // E-dep of mantissa of 2nd difrMax
86  lastB2T=0; // E-dep of the slope of 2nd difMax
87  lastS3T=0; // E-dep of mantissa of 3d difr.Max
88  lastB3T=0; // E-dep of the slope of 3d difrMax
89  lastS4T=0; // E-dep of mantissa of 4th difrMax
90  lastB4T=0; // E-dep of the slope of 4th difMax
91  lastN=0; // The last N of calculated nucleus
92  lastZ=0; // The last Z of calculated nucleus
93  lastP=0.; // LastUsed inCrossSection Momentum
94  lastTH=0.; // Last threshold momentum
95  lastCS=0.; // Last value of the Cross Section
96  lastI=0; // The last position in the DAMDB
97 }
G4VCrossSectionDataSet::G4VCrossSectionDataSet
G4VCrossSectionDataSet(const G4String &nam="")
Definition: G4VCrossSectionDataSet.cc:54
G4ChipsAntiBaryonElasticXS::~G4ChipsAntiBaryonElasticXS ( )

Definition at line 99 of file G4ChipsAntiBaryonElasticXS.cc.

100 {
101  std::vector<G4double*>::iterator pos;
102  for (pos=CST.begin(); pos<CST.end(); pos++)
103  { delete [] *pos; }
104  CST.clear();
105  for (pos=PAR.begin(); pos<PAR.end(); pos++)
106  { delete [] *pos; }
107  PAR.clear();
108  for (pos=SST.begin(); pos<SST.end(); pos++)
109  { delete [] *pos; }
110  SST.clear();
111  for (pos=S1T.begin(); pos<S1T.end(); pos++)
112  { delete [] *pos; }
113  S1T.clear();
114  for (pos=B1T.begin(); pos<B1T.end(); pos++)
115  { delete [] *pos; }
116  B1T.clear();
117  for (pos=S2T.begin(); pos<S2T.end(); pos++)
118  { delete [] *pos; }
119  S2T.clear();
120  for (pos=B2T.begin(); pos<B2T.end(); pos++)
121  { delete [] *pos; }
122  B2T.clear();
123  for (pos=S3T.begin(); pos<S3T.end(); pos++)
124  { delete [] *pos; }
125  S3T.clear();
126  for (pos=B3T.begin(); pos<B3T.end(); pos++)
127  { delete [] *pos; }
128  B3T.clear();
129  for (pos=S4T.begin(); pos<S4T.end(); pos++)
130  { delete [] *pos; }
131  S4T.clear();
132  for (pos=B4T.begin(); pos<B4T.end(); pos++)
133  { delete [] *pos; }
134  B4T.clear();
135 }
pos
static const G4double pos
Definition: G4ElectroNuclearCrossSection.cc:66

Member Function Documentation

void G4ChipsAntiBaryonElasticXS::CrossSectionDescription ( std::ostream &  outFile) const
virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 138 of file G4ChipsAntiBaryonElasticXS.cc.

139 {
140  outFile << "G4ChipsAntiBaryonElasticXS provides the elastic cross\n"
141  << "section for anti-baryon nucleus scattering as a function of incident\n"
142  << "momentum. The cross section is calculated using M. Kossov's\n"
143  << "CHIPS parameterization of cross section data.\n";
144 }
static const char* G4ChipsAntiBaryonElasticXS::Default_Name ( )
inlinestatic

Definition at line 55 of file G4ChipsAntiBaryonElasticXS.hh.

55 {return "ChipsAntiBaryonElasticXS";}

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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 206 of file G4ChipsAntiBaryonElasticXS.cc.

207 {
208  G4bool fCS = false;
209 
210  G4double pEn=pMom;
211  onlyCS=fCS;
212 
213  G4bool in=false; // By default the isotope must be found in the AMDB
214  lastP = 0.; // New momentum history (nothing to compare with)
215  lastN = tgN; // The last N of the calculated nucleus
216  lastZ = tgZ; // The last Z of the calculated nucleus
217  lastI = colN.size(); // Size of the Associative Memory DB in the heap
218  if(lastI) for(G4int i=0; i<lastI; i++) // Loop over proj/tgZ/tgN lines of DB
219  { // The nucleus with projPDG is found in AMDB
220  if(colN[i]==tgN && colZ[i]==tgZ) // Isotope is foind in AMDB
221  {
222  lastI=i;
223  lastTH =colTH[i]; // Last THreshold (A-dependent)
224  if(pEn<=lastTH)
225  {
226  return 0.; // Energy is below the Threshold value
227  }
228  lastP =colP [i]; // Last Momentum (A-dependent)
229  lastCS =colCS[i]; // Last CrossSect (A-dependent)
230  // if(std::fabs(lastP/pMom-1.)<tolerance) //VI (do not use tolerance)
231  if(lastP == pMom) // Do not recalculate
232  {
233  CalculateCrossSection(fCS,-1,i,pPDG,lastZ,lastN,pMom); // Update param's only
234  return lastCS*millibarn; // Use theLastCS
235  }
236  in = true; // This is the case when the isotop is found in DB
237  // Momentum pMom is in IU ! @@ Units
238  lastCS=CalculateCrossSection(fCS,-1,i,pPDG,lastZ,lastN,pMom); // read & update
239  if(lastCS<=0. && pEn>lastTH) // Correct the threshold
240  {
241  lastTH=pEn;
242  }
243  break; // Go out of the LOOP with found lastI
244  }
245  } // End of attampt to find the nucleus in DB
246  if(!in) // This nucleus has not been calculated previously
247  {
249  lastCS=CalculateCrossSection(fCS,0,lastI,pPDG,lastZ,lastN,pMom);//calculate&create
250  if(lastCS<=0.)
251  {
252  lastTH = 0; // ThresholdEnergy(tgZ, tgN); // The Threshold Energy which is now the last
253  if(pEn>lastTH)
254  {
255  lastTH=pEn;
256  }
257  }
258  colN.push_back(tgN);
259  colZ.push_back(tgZ);
260  colP.push_back(pMom);
261  colTH.push_back(lastTH);
262  colCS.push_back(lastCS);
263  return lastCS*millibarn;
264  } // End of creation of the new set of parameters
265  else
266  {
267  colP[lastI]=pMom;
268  colCS[lastI]=lastCS;
269  }
270  return lastCS*millibarn;
271 }
G4int
int G4int
Definition: G4Types.hh:78
G4bool
bool G4bool
Definition: G4Types.hh:79
G4double
double G4double
Definition: G4Types.hh:76
millibarn
static constexpr double millibarn
Definition: G4SIunits.hh:106

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

Definition at line 644 of file G4ChipsAntiBaryonElasticXS.cc.

645 {
646  static const G4double GeVSQ=gigaelectronvolt*gigaelectronvolt;
647  static const G4double third=1./3.;
648  static const G4double fifth=1./5.;
649  static const G4double sevth=1./7.;
650 
651  if(PDG<-3334 || PDG>-1111)G4cout<<"*Warning*G4QAntiBaryonElCS::GetExT:PDG="<<PDG<<G4endl;
652  if(onlyCS)G4cout<<"WarningG4ChipsAntiBaryonElasticXS::GetExchanT:onlyCS=1"<<G4endl;
653  if(lastLP<-4.3) return lastTM*GeVSQ*G4UniformRand();// S-wave for p<14 MeV/c (kinE<.1MeV)
654  G4double q2=0.;
655  if(tgZ==1 && tgN==0) // ===> p+p=p+p
656  {
657  G4double E1=lastTM*theB1;
658  G4double R1=(1.-G4Exp(-E1));
659  G4double E2=lastTM*theB2;
660  G4double R2=(1.-G4Exp(-E2*E2*E2));
661  G4double E3=lastTM*theB3;
662  G4double R3=(1.-G4Exp(-E3));
663  G4double I1=R1*theS1/theB1;
664  G4double I2=R2*theS2;
665  G4double I3=R3*theS3;
666  G4double I12=I1+I2;
667  G4double rand=(I12+I3)*G4UniformRand();
668  if (rand<I1 )
669  {
670  G4double ran=R1*G4UniformRand();
671  if(ran>1.) ran=1.;
672  q2=-G4Log(1.-ran)/theB1;
673  }
674  else if(rand<I12)
675  {
676  G4double ran=R2*G4UniformRand();
677  if(ran>1.) ran=1.;
678  q2=-G4Log(1.-ran);
679  if(q2<0.) q2=0.;
680  q2=G4Pow::GetInstance()->powA(q2,third)/theB2;
681  }
682  else
683  {
684  G4double ran=R3*G4UniformRand();
685  if(ran>1.) ran=1.;
686  q2=-G4Log(1.-ran)/theB3;
687  }
688  }
689  else
690  {
691  G4double a=tgZ+tgN;
692  G4double E1=lastTM*(theB1+lastTM*theSS);
693  G4double R1=(1.-G4Exp(-E1));
694  G4double tss=theSS+theSS; // for future solution of quadratic equation (imediate check)
695  G4double tm2=lastTM*lastTM;
696  G4double E2=lastTM*tm2*theB2; // power 3 for lowA, 5 for HighA (1st)
697  if(a>6.5)E2*=tm2; // for heavy nuclei
698  G4double R2=(1.-G4Exp(-E2));
699  G4double E3=lastTM*theB3;
700  if(a>6.5)E3*=tm2*tm2*tm2; // power 1 for lowA, 7 (2nd) for HighA
701  G4double R3=(1.-G4Exp(-E3));
702  G4double E4=lastTM*theB4;
703  G4double R4=(1.-G4Exp(-E4));
704  G4double I1=R1*theS1;
705  G4double I2=R2*theS2;
706  G4double I3=R3*theS3;
707  G4double I4=R4*theS4;
708  G4double I12=I1+I2;
709  G4double I13=I12+I3;
710  G4double rand=(I13+I4)*G4UniformRand();
711  if(rand<I1)
712  {
713  G4double ran=R1*G4UniformRand();
714  if(ran>1.) ran=1.;
715  q2=-G4Log(1.-ran)/theB1;
716  if(std::fabs(tss)>1.e-7) q2=(std::sqrt(theB1*(theB1+(tss+tss)*q2))-theB1)/tss;
717  }
718  else if(rand<I12)
719  {
720  G4double ran=R2*G4UniformRand();
721  if(ran>1.) ran=1.;
722  q2=-G4Log(1.-ran)/theB2;
723  if(q2<0.) q2=0.;
724  if(a<6.5) q2=G4Pow::GetInstance()->powA(q2,third);
725  else q2=G4Pow::GetInstance()->powA(q2,fifth);
726  }
727  else if(rand<I13)
728  {
729  G4double ran=R3*G4UniformRand();
730  if(ran>1.) ran=1.;
731  q2=-G4Log(1.-ran)/theB3;
732  if(q2<0.) q2=0.;
733  if(a>6.5) q2=G4Pow::GetInstance()->powA(q2,sevth);
734  }
735  else
736  {
737  G4double ran=R4*G4UniformRand();
738  if(ran>1.) ran=1.;
739  q2=-G4Log(1.-ran)/theB4;
740  if(a<6.5) q2=lastTM-q2; // u reduced for lightA (starts from 0)
741  }
742  }
743  if(q2<0.) q2=0.;
744  if(!(q2>=-1.||q2<=1.))G4cout<<"*NAN*G4QaBElasticCrossSect::GetExchangeT:-t="<<q2<<G4endl;
745  if(q2>lastTM)
746  {
747  q2=lastTM;
748  }
749  return q2*GeVSQ;
750 }
G4Pow::GetInstance
static G4Pow * GetInstance()
Definition: G4Pow.cc:55
G4Pow::powA
G4double powA(G4double A, G4double y) const
Definition: G4Pow.hh:259
G4UniformRand
#define G4UniformRand()
Definition: Randomize.hh:97
G4cout
G4GLOB_DLL std::ostream G4cout
G4Log
G4double G4Log(G4double x)
Definition: G4Log.hh:230
G4Exp
G4double G4Exp(G4double initial_x)
Exponential Function double precision.
Definition: G4Exp.hh:183
gigaelectronvolt
static constexpr double gigaelectronvolt
Definition: G4SIunits.hh:209
G4endl
#define G4endl
Definition: G4ios.hh:61
G4double
double G4double
Definition: G4Types.hh:76

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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 194 of file G4ChipsAntiBaryonElasticXS.cc.

198 {
199  G4double pMom=Pt->GetTotalMomentum();
200  G4int tgN = A - tgZ;
201  G4int pdg = Pt->GetDefinition()->GetPDGEncoding();
202 
203  return GetChipsCrossSection(pMom, tgZ, tgN, pdg);
204 }
G4DynamicParticle::GetDefinition
G4ParticleDefinition * GetDefinition() const
G4int
int G4int
Definition: G4Types.hh:78
G4DynamicParticle::GetTotalMomentum
G4double GetTotalMomentum() const
A
double A(double temperature)
Definition: G4DNAElectronHoleRecombination.cc:60
G4ChipsAntiBaryonElasticXS::GetChipsCrossSection
virtual G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg)
Definition: G4ChipsAntiBaryonElasticXS.cc:206
G4double
double G4double
Definition: G4Types.hh:76

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

Reimplemented from G4VCrossSectionDataSet.

Definition at line 146 of file G4ChipsAntiBaryonElasticXS.cc.

149 {
150 
151  /*
152  if(particle == G4AntiNeutron::AntiNeutron())
153  {
154  return true;
155  }
156  else if(particle == G4AntiProton::AntiProton())
157  {
158  return true;
159  }
160  else if(particle == G4AntiLambda::AntiLambda())
161  {
162  return true;
163  }
164  else if(particle == G4AntiSigmaPlus::AntiSigmaPlus())
165  {
166  return true;
167  }
168  else if(particle == G4AntiSigmaMinus::AntiSigmaMinus())
169  {
170  return true;
171  }
172  else if(particle == G4AntiSigmaZero::AntiSigmaZero())
173  {
174  return true;
175  }
176  else if(particle == G4AntiXiMinus::AntiXiMinus())
177  {
178  return true;
179  }
180  else if(particle == G4AntiXiZero::AntiXiZero())
181  {
182  return true;
183  }
184  else if(particle == G4AntiOmegaMinus::AntiOmegaMinus())
185  {
186  return true;
187  }
188  */
189  return true;
190 }
The documentation for this class was generated from the following files: