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Public Member Functions | Static Public Member Functions
G4ChipsHyperonElasticXS Class Reference

#include <G4ChipsHyperonElasticXS.hh>

Inheritance diagram for G4ChipsHyperonElasticXS:
G4VCrossSectionDataSet

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)
 
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 void CrossSectionDescription (std::ostream &) const
 
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 G4ChipsHyperonElasticXS.hh.

Constructor & Destructor Documentation

G4ChipsHyperonElasticXS::G4ChipsHyperonElasticXS ( )

Definition at line 61 of file G4ChipsHyperonElasticXS.cc.

61  :G4VCrossSectionDataSet(Default_Name()), nPoints(128), nLast(nPoints-1)
62 {
63  lPMin=-8.; //Min tabulatedLogarithmMomentum(D)
64  lPMax= 8.; //Max tabulatedLogarithmMomentum(D)
65  dlnP=(lPMax-lPMin)/nLast;// LogStep inTable (D)
66  onlyCS=true;//Flag toCalculOnlyCS(not Si/Bi)(L)
67  lastSIG=0.; //Last calculated cross section (L)
68  lastLP=-10.;//LastLog(mom_of IncidentHadron)(L)
69  lastTM=0.; //Last t_maximum (L)
70  theSS=0.; //TheLastSqSlope of 1st difr.Max(L)
71  theS1=0.; //TheLastMantissa of 1st difrMax(L)
72  theB1=0.; //TheLastSlope of 1st difructMax(L)
73  theS2=0.; //TheLastMantissa of 2nd difrMax(L)
74  theB2=0.; //TheLastSlope of 2nd difructMax(L)
75  theS3=0.; //TheLastMantissa of 3d difr.Max(L)
76  theB3=0.; //TheLastSlope of 3d difruct.Max(L)
77  theS4=0.; //TheLastMantissa of 4th difrMax(L)
78  theB4=0.; //TheLastSlope of 4th difructMax(L)
79  lastTZ=0; // Last atomic number of the target
80  lastTN=0; // Last # of neutrons in the target
81  lastPIN=0.; // Last initialized max momentum
82  lastCST=0; // Elastic cross-section table
83  lastPAR=0; // ParametersForFunctionCalculation
84  lastSST=0; // E-dep ofSqardSlope of 1st difMax
85  lastS1T=0; // E-dep of mantissa of 1st dif.Max
86  lastB1T=0; // E-dep of the slope of 1st difMax
87  lastS2T=0; // E-dep of mantissa of 2nd difrMax
88  lastB2T=0; // E-dep of the slope of 2nd difMax
89  lastS3T=0; // E-dep of mantissa of 3d difr.Max
90  lastB3T=0; // E-dep of the slope of 3d difrMax
91  lastS4T=0; // E-dep of mantissa of 4th difrMax
92  lastB4T=0; // E-dep of the slope of 4th difMax
93  lastN=0; // The last N of calculated nucleus
94  lastZ=0; // The last Z of calculated nucleus
95  lastP=0.; // LastUsed inCrossSection Momentum
96  lastTH=0.; // Last threshold momentum
97  lastCS=0.; // Last value of the Cross Section
98  lastI=0; // The last position in the DAMDB
99 }
G4VCrossSectionDataSet(const G4String &nam="")
static const char * Default_Name()
G4ChipsHyperonElasticXS::~G4ChipsHyperonElasticXS ( )

Definition at line 101 of file G4ChipsHyperonElasticXS.cc.

102 {
103  std::vector<G4double*>::iterator pos;
104  for (pos=CST.begin(); pos<CST.end(); pos++)
105  { delete [] *pos; }
106  CST.clear();
107  for (pos=PAR.begin(); pos<PAR.end(); pos++)
108  { delete [] *pos; }
109  PAR.clear();
110  for (pos=SST.begin(); pos<SST.end(); pos++)
111  { delete [] *pos; }
112  SST.clear();
113  for (pos=S1T.begin(); pos<S1T.end(); pos++)
114  { delete [] *pos; }
115  S1T.clear();
116  for (pos=B1T.begin(); pos<B1T.end(); pos++)
117  { delete [] *pos; }
118  B1T.clear();
119  for (pos=S2T.begin(); pos<S2T.end(); pos++)
120  { delete [] *pos; }
121  S2T.clear();
122  for (pos=B2T.begin(); pos<B2T.end(); pos++)
123  { delete [] *pos; }
124  B2T.clear();
125  for (pos=S3T.begin(); pos<S3T.end(); pos++)
126  { delete [] *pos; }
127  S3T.clear();
128  for (pos=B3T.begin(); pos<B3T.end(); pos++)
129  { delete [] *pos; }
130  B3T.clear();
131  for (pos=S4T.begin(); pos<S4T.end(); pos++)
132  { delete [] *pos; }
133  S4T.clear();
134  for (pos=B4T.begin(); pos<B4T.end(); pos++)
135  { delete [] *pos; }
136  B4T.clear();
137 }

Member Function Documentation

static const char* G4ChipsHyperonElasticXS::Default_Name ( )
inlinestatic

Definition at line 54 of file G4ChipsHyperonElasticXS.hh.

Referenced by G4ChipsComponentXS::G4ChipsComponentXS().

54 {return "ChipsHyperonElasticXS";}
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 189 of file G4ChipsHyperonElasticXS.cc.

References G4ThreadLocal, and python.hepunit::millibarn.

Referenced by GetIsoCrossSection().

190 {
191  static G4ThreadLocal std::vector <G4int> *colN_G4MT_TLS_ = 0 ; if (!colN_G4MT_TLS_) colN_G4MT_TLS_ = new std::vector <G4int> ; std::vector <G4int> &colN = *colN_G4MT_TLS_; // Vector of N for calculated nuclei (isotops)
192  static G4ThreadLocal std::vector <G4int> *colZ_G4MT_TLS_ = 0 ; if (!colZ_G4MT_TLS_) colZ_G4MT_TLS_ = new std::vector <G4int> ; std::vector <G4int> &colZ = *colZ_G4MT_TLS_; // Vector of Z for calculated nuclei (isotops)
193  static G4ThreadLocal std::vector <G4double> *colP_G4MT_TLS_ = 0 ; if (!colP_G4MT_TLS_) colP_G4MT_TLS_ = new std::vector <G4double> ; std::vector <G4double> &colP = *colP_G4MT_TLS_; // Vector of last momenta for the reaction
194  static G4ThreadLocal std::vector <G4double> *colTH_G4MT_TLS_ = 0 ; if (!colTH_G4MT_TLS_) colTH_G4MT_TLS_ = new std::vector <G4double> ; std::vector <G4double> &colTH = *colTH_G4MT_TLS_; // Vector of energy thresholds for the reaction
195  static G4ThreadLocal std::vector <G4double> *colCS_G4MT_TLS_ = 0 ; if (!colCS_G4MT_TLS_) colCS_G4MT_TLS_ = new std::vector <G4double> ; std::vector <G4double> &colCS = *colCS_G4MT_TLS_; // Vector of last cross sections for the reaction
196  // ***---*** End of the mandatory Static Definitions of the Associative Memory ***---***
197 
198  G4bool fCS = false;
199  G4double pEn=pMom;
200 
201  onlyCS=fCS;
202 
203  G4bool in=false; // By default the isotope must be found in the AMDB
204  lastP = 0.; // New momentum history (nothing to compare with)
205  lastN = tgN; // The last N of the calculated nucleus
206  lastZ = tgZ; // The last Z of the calculated nucleus
207  lastI = colN.size(); // Size of the Associative Memory DB in the heap
208  if(lastI) for(G4int i=0; i<lastI; i++) // Loop over proj/tgZ/tgN lines of DB
209  { // The nucleus with projPDG is found in AMDB
210  if(colN[i]==tgN && colZ[i]==tgZ) // Isotope is foind in AMDB
211  {
212  lastI=i;
213  lastTH =colTH[i]; // Last THreshold (A-dependent)
214  if(pEn<=lastTH)
215  {
216  return 0.; // Energy is below the Threshold value
217  }
218  lastP =colP [i]; // Last Momentum (A-dependent)
219  lastCS =colCS[i]; // Last CrossSect (A-dependent)
220  // if(std::fabs(lastP/pMom-1.)<tolerance) //VI (do not use tolerance)
221  if(lastP == pMom) // Do not recalculate
222  {
223  CalculateCrossSection(fCS,-1,i,pPDG,lastZ,lastN,pMom); // Update param's only
224  return lastCS*millibarn; // Use theLastCS
225  }
226  in = true; // This is the case when the isotop is found in DB
227  // Momentum pMom is in IU ! @@ Units
228  lastCS=CalculateCrossSection(fCS,-1,i,pPDG,lastZ,lastN,pMom); // read & update
229  if(lastCS<=0. && pEn>lastTH) // Correct the threshold
230  {
231  lastTH=pEn;
232  }
233  break; // Go out of the LOOP with found lastI
234  }
235  } // End of attampt to find the nucleus in DB
236  if(!in) // This nucleus has not been calculated previously
237  {
238  //!!The slave functions must provide cross-sections in millibarns (mb) !! (not in IU)
239  lastCS=CalculateCrossSection(fCS,0,lastI,pPDG,lastZ,lastN,pMom);//calculate&create
240  if(lastCS<=0.)
241  {
242  lastTH = 0; //ThresholdEnergy(tgZ, tgN); // The Threshold Energy which is now the last
243  if(pEn>lastTH)
244  {
245  lastTH=pEn;
246  }
247  }
248  colN.push_back(tgN);
249  colZ.push_back(tgZ);
250  colP.push_back(pMom);
251  colTH.push_back(lastTH);
252  colCS.push_back(lastCS);
253  return lastCS*millibarn;
254  } // End of creation of the new set of parameters
255  else
256  {
257  colP[lastI]=pMom;
258  colCS[lastI]=lastCS;
259  }
260  return lastCS*millibarn;
261 }
#define G4ThreadLocal
Definition: tls.hh:52
int G4int
Definition: G4Types.hh:78
int millibarn
Definition: hepunit.py:40
bool G4bool
Definition: G4Types.hh:79
double G4double
Definition: G4Types.hh:76
G4double G4ChipsHyperonElasticXS::GetExchangeT ( G4int  tZ,
G4int  tN,
G4int  pPDG 
)

Definition at line 635 of file G4ChipsHyperonElasticXS.cc.

References G4cout, G4endl, G4UniformRand, and python.hepunit::gigaelectronvolt.

636 {
637  static const G4double GeVSQ=gigaelectronvolt*gigaelectronvolt;
638  static const G4double third=1./3.;
639  static const G4double fifth=1./5.;
640  static const G4double sevth=1./7.;
641  if(PDG==3222 || PDG<3000 || PDG>3334)G4cout<<"*Warning*G4QHyElCS::GET:PDG="<<PDG<<G4endl;
642  if(onlyCS)G4cout<<"*Warning*G4ChipsHyperonElasticXS::GetExchanT: onlyCS=1"<<G4endl;
643  if(lastLP<-4.3) return lastTM*GeVSQ*G4UniformRand();// S-wave for p<14 MeV/c (kinE<.1MeV)
644  G4double q2=0.;
645  if(tgZ==1 && tgN==0) // ===> p+p=p+p
646  {
647  G4double E1=lastTM*theB1;
648  G4double R1=(1.-std::exp(-E1));
649  G4double E2=lastTM*theB2;
650  G4double R2=(1.-std::exp(-E2*E2*E2));
651  G4double E3=lastTM*theB3;
652  G4double R3=(1.-std::exp(-E3));
653  G4double I1=R1*theS1/theB1;
654  G4double I2=R2*theS2;
655  G4double I3=R3*theS3;
656  G4double I12=I1+I2;
657  G4double rand=(I12+I3)*G4UniformRand();
658  if (rand<I1 )
659  {
660  G4double ran=R1*G4UniformRand();
661  if(ran>1.) ran=1.;
662  q2=-std::log(1.-ran)/theB1;
663  }
664  else if(rand<I12)
665  {
666  G4double ran=R2*G4UniformRand();
667  if(ran>1.) ran=1.;
668  q2=-std::log(1.-ran);
669  if(q2<0.) q2=0.;
670  q2=std::pow(q2,third)/theB2;
671  }
672  else
673  {
674  G4double ran=R3*G4UniformRand();
675  if(ran>1.) ran=1.;
676  q2=-std::log(1.-ran)/theB3;
677  }
678  }
679  else
680  {
681  G4double a=tgZ+tgN;
682  G4double E1=lastTM*(theB1+lastTM*theSS);
683  G4double R1=(1.-std::exp(-E1));
684  G4double tss=theSS+theSS; // for future solution of quadratic equation (imediate check)
685  G4double tm2=lastTM*lastTM;
686  G4double E2=lastTM*tm2*theB2; // power 3 for lowA, 5 for HighA (1st)
687  if(a>6.5)E2*=tm2; // for heavy nuclei
688  G4double R2=(1.-std::exp(-E2));
689  G4double E3=lastTM*theB3;
690  if(a>6.5)E3*=tm2*tm2*tm2; // power 1 for lowA, 7 (2nd) for HighA
691  G4double R3=(1.-std::exp(-E3));
692  G4double E4=lastTM*theB4;
693  G4double R4=(1.-std::exp(-E4));
694  G4double I1=R1*theS1;
695  G4double I2=R2*theS2;
696  G4double I3=R3*theS3;
697  G4double I4=R4*theS4;
698  G4double I12=I1+I2;
699  G4double I13=I12+I3;
700  G4double rand=(I13+I4)*G4UniformRand();
701  if(rand<I1)
702  {
703  G4double ran=R1*G4UniformRand();
704  if(ran>1.) ran=1.;
705  q2=-std::log(1.-ran)/theB1;
706  if(std::fabs(tss)>1.e-7) q2=(std::sqrt(theB1*(theB1+(tss+tss)*q2))-theB1)/tss;
707  }
708  else if(rand<I12)
709  {
710  G4double ran=R2*G4UniformRand();
711  if(ran>1.) ran=1.;
712  q2=-std::log(1.-ran)/theB2;
713  if(q2<0.) q2=0.;
714  if(a<6.5) q2=std::pow(q2,third);
715  else q2=std::pow(q2,fifth);
716  }
717  else if(rand<I13)
718  {
719  G4double ran=R3*G4UniformRand();
720  if(ran>1.) ran=1.;
721  q2=-std::log(1.-ran)/theB3;
722  if(q2<0.) q2=0.;
723  if(a>6.5) q2=std::pow(q2,sevth);
724  }
725  else
726  {
727  G4double ran=R4*G4UniformRand();
728  if(ran>1.) ran=1.;
729  q2=-std::log(1.-ran)/theB4;
730  if(a<6.5) q2=lastTM-q2; // u reduced for lightA (starts from 0)
731  }
732  }
733  if(q2<0.) q2=0.;
734  if(!(q2>=-1.||q2<=1.))G4cout<<"*NAN*G4QHyElasticCrossSect::GetExchangeT:-t="<<q2<<G4endl;
735  if(q2>lastTM)
736  {
737  q2=lastTM;
738  }
739  return q2*GeVSQ;
740 }
int gigaelectronvolt
Definition: hepunit.py:110
#define G4UniformRand()
Definition: Randomize.hh:87
G4GLOB_DLL std::ostream G4cout
#define G4endl
Definition: G4ios.hh:61
double G4double
Definition: G4Types.hh:76
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 177 of file G4ChipsHyperonElasticXS.cc.

References GetChipsCrossSection(), G4DynamicParticle::GetDefinition(), G4ParticleDefinition::GetPDGEncoding(), and G4DynamicParticle::GetTotalMomentum().

181 {
182  G4double pMom=Pt->GetTotalMomentum();
183  G4int tgN = A - tgZ;
184  G4int pdg = Pt->GetDefinition()->GetPDGEncoding();
185 
186  return GetChipsCrossSection(pMom, tgZ, tgN, pdg);
187 }
G4ParticleDefinition * GetDefinition() const
int G4int
Definition: G4Types.hh:78
G4double GetTotalMomentum() const
virtual G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg)
double G4double
Definition: G4Types.hh:76
G4bool G4ChipsHyperonElasticXS::IsIsoApplicable ( const G4DynamicParticle *  Pt,
G4int  Z,
G4int  A,
const G4Element *  elm,
const G4Material *  mat 
)
virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 139 of file G4ChipsHyperonElasticXS.cc.

References G4DynamicParticle::GetDefinition(), G4Lambda::Lambda(), G4OmegaMinus::OmegaMinus(), G4SigmaMinus::SigmaMinus(), G4SigmaPlus::SigmaPlus(), G4SigmaZero::SigmaZero(), G4XiMinus::XiMinus(), and G4XiZero::XiZero().

142 {
143  G4ParticleDefinition* particle = Pt->GetDefinition();
144  if (particle == G4Lambda::Lambda())
145  {
146  return true;
147  }
148  else if(particle == G4SigmaPlus::SigmaPlus())
149  {
150  return true;
151  }
152  else if(particle == G4SigmaMinus::SigmaMinus())
153  {
154  return true;
155  }
156  else if(particle == G4SigmaZero::SigmaZero())
157  {
158  return true;
159  }
160  else if(particle == G4XiMinus::XiMinus())
161  {
162  return true;
163  }
164  else if(particle == G4XiZero::XiZero())
165  {
166  return true;
167  }
168  else if(particle == G4OmegaMinus::OmegaMinus())
169  {
170  return true;
171  }
172  return false;
173 }
static G4OmegaMinus * OmegaMinus()
G4ParticleDefinition * GetDefinition() const
static G4SigmaZero * SigmaZero()
Definition: G4SigmaZero.cc:99
static G4XiZero * XiZero()
Definition: G4XiZero.cc:106
static G4XiMinus * XiMinus()
Definition: G4XiMinus.cc:106
static G4SigmaMinus * SigmaMinus()
static G4SigmaPlus * SigmaPlus()
Definition: G4SigmaPlus.cc:108
static G4Lambda * Lambda()
Definition: G4Lambda.cc:108

The documentation for this class was generated from the following files: