G4ChipsKaonPlusElasticXS Class Reference

#include <G4ChipsKaonPlusElasticXS.hh>

Inheritance diagram for G4ChipsKaonPlusElasticXS:

G4VCrossSectionDataSet

Public Member Functions

 G4ChipsKaonPlusElasticXS ()
 ~G4ChipsKaonPlusElasticXS ()
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)

Static Public Member Functions

static const char * Default_Name ()

Detailed Description

Definition at line 47 of file G4ChipsKaonPlusElasticXS.hh.

Constructor & Destructor Documentation

G4ChipsKaonPlusElasticXS::G4ChipsKaonPlusElasticXS (  ) 

Definition at line 54 of file G4ChipsKaonPlusElasticXS.cc.

00054                                                   :G4VCrossSectionDataSet(Default_Name()), nPoints(128), nLast(nPoints-1)
00055 {
00056   lPMin=-8.;  //Min tabulatedLogarithmMomentum/D
00057   lPMax= 8.;  //Max tabulatedLogarithmMomentum/D
00058   dlnP=(lPMax-lPMin)/nLast;// LogStep inTable /D
00059   onlyCS=true;//Flag toCalculOnlyCS(not Si/Bi)/L
00060   lastSIG=0.; //Last calculated cross section /L
00061   lastLP=-10.;//LastLog(mom_of IncidentHadron)/L
00062   lastTM=0.; //Last t_maximum                /L
00063   theSS=0.;  //TheLastSqSlope of 1st difr.Max/L
00064   theS1=0.;  //TheLastMantissa of 1st difrMax/L
00065   theB1=0.;  //TheLastSlope of 1st difructMax/L
00066   theS2=0.;  //TheLastMantissa of 2nd difrMax/L
00067   theB2=0.;  //TheLastSlope of 2nd difructMax/L
00068   theS3=0.;  //TheLastMantissa of 3d difr.Max/L
00069   theB3=0.;  //TheLastSlope of 3d difruct.Max/L
00070   theS4=0.;  //TheLastMantissa of 4th difrMax/L
00071   theB4=0.;  //TheLastSlope of 4th difructMax/L
00072   lastTZ=0;  // Last atomic number of theTarget
00073   lastTN=0;  // Last # of neutrons in theTarget
00074   lastPIN=0.;// Last initialized max momentum
00075   lastCST=0; // Elastic cross-section table
00076   lastPAR=0; // ParametersForFunctionCalculation
00077   lastSST=0; // E-dep ofSqardSlope of 1st difMax
00078   lastS1T=0; // E-dep of mantissa of 1st dif.Max
00079   lastB1T=0; // E-dep of the slope of 1st difMax
00080   lastS2T=0; // E-dep of mantissa of 2nd difrMax
00081   lastB2T=0; // E-dep of the slope of 2nd difMax
00082   lastS3T=0; // E-dep of mantissa of 3d difr.Max
00083   lastB3T=0; // E-dep of the slope of 3d difrMax
00084   lastS4T=0; // E-dep of mantissa of 4th difrMax
00085   lastB4T=0; // E-dep of the slope of 4th difMax
00086   lastN=0;   // The last N of calculated nucleus
00087   lastZ=0;   // The last Z of calculated nucleus
00088   lastP=0.;  // LastUsed inCrossSection Momentum
00089   lastTH=0.; // Last threshold momentum
00090   lastCS=0.; // Last value of the Cross Section
00091   lastI=0;   // The last position in the DAMDB
00092 }

G4ChipsKaonPlusElasticXS::~G4ChipsKaonPlusElasticXS (  ) 

Definition at line 94 of file G4ChipsKaonPlusElasticXS.cc.

00095 {
00096   std::vector<G4double*>::iterator pos;
00097   for (pos=CST.begin(); pos<CST.end(); pos++)
00098   { delete [] *pos; }
00099   CST.clear();
00100   for (pos=PAR.begin(); pos<PAR.end(); pos++)
00101   { delete [] *pos; }
00102   PAR.clear();
00103   for (pos=SST.begin(); pos<SST.end(); pos++)
00104   { delete [] *pos; }
00105   SST.clear();
00106   for (pos=S1T.begin(); pos<S1T.end(); pos++)
00107   { delete [] *pos; }
00108   S1T.clear();
00109   for (pos=B1T.begin(); pos<B1T.end(); pos++)
00110   { delete [] *pos; }
00111   B1T.clear();
00112   for (pos=S2T.begin(); pos<S2T.end(); pos++)
00113   { delete [] *pos; }
00114   S2T.clear();
00115   for (pos=B2T.begin(); pos<B2T.end(); pos++)
00116   { delete [] *pos; }
00117   B2T.clear();
00118   for (pos=S3T.begin(); pos<S3T.end(); pos++)
00119   { delete [] *pos; }
00120   S3T.clear();
00121   for (pos=B3T.begin(); pos<B3T.end(); pos++)
00122   { delete [] *pos; }
00123   B3T.clear();
00124   for (pos=S4T.begin(); pos<S4T.end(); pos++)
00125   { delete [] *pos; }
00126   S4T.clear();
00127   for (pos=B4T.begin(); pos<B4T.end(); pos++)
00128   { delete [] *pos; }
00129   B4T.clear();
00130 }

Member Function Documentation

static const char* G4ChipsKaonPlusElasticXS::Default_Name (  )  [inline, static]

Definition at line 55 of file G4ChipsKaonPlusElasticXS.hh.

Referenced by G4HadronDElasticPhysics::ConstructProcess(), G4ChipsComponentXS::G4ChipsComponentXS(), G4ChipsElasticModel::G4ChipsElasticModel(), and G4ChipsKaonZeroElasticXS::G4ChipsKaonZeroElasticXS().

00055 {return "ChipsKaonPlusElasticXS";}

G4double G4ChipsKaonPlusElasticXS::GetChipsCrossSection ( G4double  momentum,
G4int  Z,
G4int  N,
G4int  pdg 
) [virtual]

Definition at line 154 of file G4ChipsKaonPlusElasticXS.cc.

Referenced by G4ChipsKaonZeroElasticXS::GetChipsCrossSection(), GetIsoCrossSection(), and G4ChipsElasticModel::SampleInvariantT().

00155 {
00156   static std::vector <G4int>    colN;  // Vector of N for calculated nuclei (isotops)
00157   static std::vector <G4int>    colZ;  // Vector of Z for calculated nuclei (isotops)
00158   static std::vector <G4double> colP;  // Vector of last momenta for the reaction
00159   static std::vector <G4double> colTH; // Vector of energy thresholds for the reaction
00160   static std::vector <G4double> colCS; // Vector of last cross sections for the reaction
00161   // ***---*** End of the mandatory Static Definitions of the Associative Memory ***---***
00162 
00163   G4bool fCS = false;
00164   G4double pEn=pMom;
00165   onlyCS=fCS;
00166 
00167   G4bool in=false;                   // By default the isotope must be found in the AMDB
00168   lastP   = 0.;                      // New momentum history (nothing to compare with)
00169   lastN   = tgN;                     // The last N of the calculated nucleus
00170   lastZ   = tgZ;                     // The last Z of the calculated nucleus
00171   lastI   = colN.size();             // Size of the Associative Memory DB in the heap
00172   if(lastI) for(G4int i=0; i<lastI; i++) // Loop over proj/tgZ/tgN lines of DB
00173   {                                  // The nucleus with projPDG is found in AMDB
00174     if(colN[i]==tgN && colZ[i]==tgZ) // Isotope is foind in AMDB
00175     {
00176       lastI=i;
00177       lastTH =colTH[i];              // Last THreshold (A-dependent)
00178       if(pEn<=lastTH)
00179       {
00180         return 0.;                   // Energy is below the Threshold value
00181       }
00182       lastP  =colP [i];              // Last Momentum  (A-dependent)
00183       lastCS =colCS[i];              // Last CrossSect (A-dependent)
00184       //  if(std::fabs(lastP/pMom-1.)<tolerance) //VI (do not use tolerance)
00185       if(lastP == pMom)              // Do not recalculate
00186       {
00187         CalculateCrossSection(fCS,-1,i,321,lastZ,lastN,pMom); // Update param's only
00188         return lastCS*millibarn;     // Use theLastCS
00189       }
00190       in = true;                       // This is the case when the isotop is found in DB
00191       // Momentum pMom is in IU ! @@ Units
00192       lastCS=CalculateCrossSection(fCS,-1,i,321,lastZ,lastN,pMom); // read & update
00193       if(lastCS<=0. && pEn>lastTH)    // Correct the threshold
00194       {
00195         lastTH=pEn;
00196       }
00197       break;                           // Go out of the LOOP with found lastI
00198     }
00199   } // End of attampt to find the nucleus in DB
00200   if(!in)                            // This nucleus has not been calculated previously
00201   {
00203     lastCS=CalculateCrossSection(fCS,0,lastI,321,lastZ,lastN,pMom);//calculate&create
00204     if(lastCS<=0.)
00205     {
00206       lastTH = 0; //ThresholdEnergy(tgZ, tgN); // The Threshold Energy which is now the last
00207       if(pEn>lastTH)
00208       {
00209         lastTH=pEn;
00210       }
00211     }
00212     colN.push_back(tgN);
00213     colZ.push_back(tgZ);
00214     colP.push_back(pMom);
00215     colTH.push_back(lastTH);
00216     colCS.push_back(lastCS);
00217     return lastCS*millibarn;
00218   } // End of creation of the new set of parameters
00219   else
00220   {
00221     colP[lastI]=pMom;
00222     colCS[lastI]=lastCS;
00223   }
00224   return lastCS*millibarn;
00225 }

G4double G4ChipsKaonPlusElasticXS::GetExchangeT ( G4int  tZ,
G4int  tN,
G4int  pPDG 
)

Definition at line 601 of file G4ChipsKaonPlusElasticXS.cc.

References G4cout, and G4UniformRand.

Referenced by G4ChipsElasticModel::SampleInvariantT().

00602 {
00603   static const G4double GeVSQ=gigaelectronvolt*gigaelectronvolt;
00604   static const G4double third=1./3.;
00605   static const G4double fifth=1./5.;
00606   static const G4double sevth=1./7.;
00607   if(PDG!=321) G4cout<<"*Warning*G4ChipsKaonPlusElasticXS::GetExT:PDG="<<PDG<<G4endl;
00608   if(onlyCS) G4cout<<"*Warning*G4ChipsKaonPlusElasticXS::GetExT: onlyCS=1"<<G4endl;
00609   if(lastLP<-4.3) return lastTM*GeVSQ*G4UniformRand();// S-wave for p<14 MeV/c (kinE<.1MeV)
00610   G4double q2=0.;
00611   if(tgZ==1 && tgN==0)                // ===> p+p=p+p
00612   {
00613     G4double E1=lastTM*theB1;
00614     G4double R1=(1.-std::exp(-E1));
00615     G4double E2=lastTM*theB2;
00616     G4double R2=(1.-std::exp(-E2*E2*E2));
00617     G4double E3=lastTM*theB3;
00618     G4double R3=(1.-std::exp(-E3));
00619     G4double I1=R1*theS1/theB1;
00620     G4double I2=R2*theS2;
00621     G4double I3=R3*theS3;
00622     G4double I12=I1+I2;
00623     G4double rand=(I12+I3)*G4UniformRand();
00624     if     (rand<I1 )
00625     {
00626       G4double ran=R1*G4UniformRand();
00627       if(ran>1.) ran=1.;
00628       q2=-std::log(1.-ran)/theB1;
00629     }
00630     else if(rand<I12)
00631     {
00632       G4double ran=R2*G4UniformRand();
00633       if(ran>1.) ran=1.;
00634       q2=-std::log(1.-ran);
00635       if(q2<0.) q2=0.;
00636       q2=std::pow(q2,third)/theB2;
00637     }
00638     else
00639     {
00640       G4double ran=R3*G4UniformRand();
00641       if(ran>1.) ran=1.;
00642       q2=-std::log(1.-ran)/theB3;
00643     }
00644   }
00645   else
00646   {
00647     G4double a=tgZ+tgN;
00648     G4double E1=lastTM*(theB1+lastTM*theSS);
00649     G4double R1=(1.-std::exp(-E1));
00650     G4double tss=theSS+theSS; // for future solution of quadratic equation (imediate check)
00651     G4double tm2=lastTM*lastTM;
00652     G4double E2=lastTM*tm2*theB2;                   // power 3 for lowA, 5 for HighA (1st)
00653     if(a>6.5)E2*=tm2;                               // for heavy nuclei
00654     G4double R2=(1.-std::exp(-E2));
00655     G4double E3=lastTM*theB3;
00656     if(a>6.5)E3*=tm2*tm2*tm2;                       // power 1 for lowA, 7 (2nd) for HighA
00657     G4double R3=(1.-std::exp(-E3));
00658     G4double E4=lastTM*theB4;
00659     G4double R4=(1.-std::exp(-E4));
00660     G4double I1=R1*theS1;
00661     G4double I2=R2*theS2;
00662     G4double I3=R3*theS3;
00663     G4double I4=R4*theS4;
00664     G4double I12=I1+I2;
00665     G4double I13=I12+I3;
00666     G4double rand=(I13+I4)*G4UniformRand();
00667     if(rand<I1)
00668     {
00669       G4double ran=R1*G4UniformRand();
00670       if(ran>1.) ran=1.;
00671       q2=-std::log(1.-ran)/theB1;
00672       if(std::fabs(tss)>1.e-7) q2=(std::sqrt(theB1*(theB1+(tss+tss)*q2))-theB1)/tss;
00673     }
00674     else if(rand<I12)
00675     {
00676       G4double ran=R2*G4UniformRand();
00677       if(ran>1.) ran=1.;
00678       q2=-std::log(1.-ran)/theB2;
00679       if(q2<0.) q2=0.;
00680       if(a<6.5) q2=std::pow(q2,third);
00681       else      q2=std::pow(q2,fifth);
00682     }
00683     else if(rand<I13)
00684     {
00685       G4double ran=R3*G4UniformRand();
00686       if(ran>1.) ran=1.;
00687       q2=-std::log(1.-ran)/theB3;
00688       if(q2<0.) q2=0.;
00689       if(a>6.5) q2=std::pow(q2,sevth);
00690     }
00691     else
00692     {
00693       G4double ran=R4*G4UniformRand();
00694       if(ran>1.) ran=1.;
00695       q2=-std::log(1.-ran)/theB4;
00696       if(a<6.5) q2=lastTM-q2;                    // u reduced for lightA (starts from 0)
00697     }
00698   }
00699   if(q2<0.) q2=0.;
00700   if(!(q2>=-1.||q2<=1.)) G4cout<<"*NAN*G4QKaonPlusElasticCS::GetExchT: -t="<<q2<<G4endl;
00701   if(q2>lastTM)
00702   {
00703     q2=lastTM;
00704   }
00705   return q2*GeVSQ;
00706 }

G4double G4ChipsKaonPlusElasticXS::GetIsoCrossSection ( const G4DynamicParticle *  ,
G4int  tgZ,
G4int  A,
const G4Isotope *  iso = 0,
const G4Element *  elm = 0,
const G4Material *  mat = 0 
) [virtual]

Reimplemented from G4VCrossSectionDataSet.

Definition at line 143 of file G4ChipsKaonPlusElasticXS.cc.

References GetChipsCrossSection(), and G4DynamicParticle::GetTotalMomentum().

00147 {
00148   G4double pMom=Pt->GetTotalMomentum();
00149   G4int tgN = A - tgZ;
00150   
00151   return GetChipsCrossSection(pMom, tgZ, tgN, 321);
00152 }

G4bool G4ChipsKaonPlusElasticXS::IsIsoApplicable ( const G4DynamicParticle *  Pt,
G4int  Z,
G4int  A,
const G4Element *  elm,
const G4Material *  mat 
) [virtual]

Reimplemented from G4VCrossSectionDataSet.

Definition at line 132 of file G4ChipsKaonPlusElasticXS.cc.

References G4DynamicParticle::GetDefinition(), and G4KaonPlus::KaonPlus().

00135 {
00136   G4ParticleDefinition* particle = Pt->GetDefinition();
00137   if (particle == G4KaonPlus::KaonPlus()      ) return true;
00138   return false;
00139 }

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