Gabriele Cosmo
268 lines
8.5 KiB
C++
268 lines
8.5 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4ElasticHadrNucleusHE.hh,v 1.25 2006/06/29 20:09:01 gunter Exp $
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// GEANT4 tag $Name: geant4-08-01 $
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//
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// G4ElasticHadrNucleusHe.hh
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// The generator of high energy hadron-nucleus elastic scattering
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// The hadron kinetic energy T > 1 GeV
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// N. Starkov 2003.
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//
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// Modifications:
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// 19.05.04 Variant for G4 6.1: The 'ApplyYourself' was changed
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// 14.11.05 The HE elastic scattering on proton is added (N.Starkov)
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// 30.05.06 Version without use of elastic data (N.Starkov)
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//
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#ifndef G4ElasticHadrNucleusHE_h
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#define G4ElasticHadrNucleusHE_h 1
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#include <vector>
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#include "globals.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4Ions.hh"
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#include "G4ParticleTable.hh"
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#include "G4NucleiProperties.hh"
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#include "G4ParticleChange.hh"
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#include "G4Track.hh"
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#include "Randomize.hh"
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#include "G4Nucleus.hh"
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#include "G4IonTable.hh"
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#include "G4DiffElasticHadrNucleus.hh"
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#include "G4IntegrHadrNucleus.hh"
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#include "G4HadronicInteraction.hh"
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#define ONQ2 150 // The number of steps on Q2
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#define ONE 5 // The number of steps on E
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#define AreaNumb 6 // The number of order steps on E
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#define ONQ2XE ONQ2*ONE // The dimension of a distr. func. array
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#define MaxN 10 // The atomic number where the calculation
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// on the formula is changed on the integral
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// one
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class ElasticData
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{
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public:
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G4String hadrName;
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G4int nuclAtomicNumber;
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G4double TableE[ONE*AreaNumb];
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G4double TableQ2[ONQ2];
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G4double TableFQ2[ONQ2];
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G4double TableCrossSec[ONQ2XE*AreaNumb];
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G4double CurrentT;
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G4int CurrentN, Nstep;
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G4double RandMax, theMaxQ2;
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G4double Weight, dQ2;
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G4double theR1, R2, Pnucl, Aeff;
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NucleusParameters NucPar;
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ElasticData() {;}
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ElasticData(G4String HadrName, G4int AtomWeight);
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virtual ~ElasticData(){;}
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ElasticData (const ElasticData &t)
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{
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G4int k;
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hadrName = t.hadrName;
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nuclAtomicNumber = t.nuclAtomicNumber;
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for(k = 0; k<ONE*AreaNumb; k++) TableE[k] = t.TableE[k];
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for(k = 0; k<ONQ2; k++) TableQ2[k] = t.TableQ2[k];
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for(k = 0; k< ONQ2XE*AreaNumb; k++)
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TableCrossSec[k] = t.TableCrossSec[k];
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theR1 = t.theR1;
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R2 = t.R2;
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Aeff = t.Aeff;
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Pnucl = t.Pnucl;
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theMaxQ2 = t.theMaxQ2;
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dQ2 = t.dQ2;
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NucPar = t.NucPar;
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}
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ElasticData & operator=(const ElasticData &t)
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{
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G4int k;
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if(this!=&t)
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{
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hadrName = t.hadrName;
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nuclAtomicNumber = t.nuclAtomicNumber;
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for(k = 0; k<ONE*AreaNumb; k++)
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TableE[k] = t.TableE[k];
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for(k = 0; k<ONQ2; k++) TableQ2[k] = t.TableQ2[k];
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for(k = 0; k< ONQ2XE*AreaNumb; k++)
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TableCrossSec[k] = t.TableCrossSec[k];
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theR1 = t.theR1;
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R2 = t.R2;
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Aeff = t.Aeff;
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Pnucl = t.Pnucl;
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theMaxQ2 = t.theMaxQ2;
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NucPar = t.NucPar;
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dQ2 = t.dQ2;
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}
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return *this;
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}
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void Clean()
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{
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G4int k;
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hadrName = "Nothing";
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nuclAtomicNumber = 0;
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for(k = 0; k<ONE*AreaNumb; k++) TableE[k] = 0;
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for(k = 0; k<ONQ2; k++) TableQ2[k] = 0;
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for(k = 0; k< ONQ2XE*AreaNumb; k++) TableCrossSec[k] = 0;
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theR1 = 0;
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R2 = 0;
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Aeff = 0;
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Pnucl = 0;
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theMaxQ2 = 0;
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}
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G4double GetQ2limit(G4double aR1);
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G4int GetNumberE(G4double E);
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};
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// ############################################################
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class G4ElasticHadrNucleusHE : public G4DiffElasticHadrNucleus,
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public G4HadronicInteraction
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{
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public:
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G4ElasticHadrNucleusHE(const G4ParticleDefinition * aHadron,
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G4Nucleus * aNucleus);
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G4ElasticHadrNucleusHE();
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virtual ~G4ElasticHadrNucleusHE() {;}
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G4HadFinalState * ApplyYourself( const G4HadProjectile &aTrack,
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G4Nucleus &aNucleus);
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G4double RandomElastic0();
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G4double RandomElastic1( const G4DynamicParticle * aHadron,
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const ElasticData * aData);
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G4double SampleT(const G4ParticleDefinition* p,
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G4double pTotLabMomentum, G4int Z, G4int N);
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G4double SampleT1(const G4ParticleDefinition* p,
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G4double pTotLabMomentum, G4int Z, G4int N);
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G4bool GetHadronNucleusData(G4DynamicParticle * aParticle,
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G4Nucleus * aNucleus,
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ElasticData & ElD );
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private:
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public:
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G4int ReadOfData(G4ParticleDefinition * aParticle,
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G4Nucleus * aNucleus);
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G4double GetQ2limit(G4double aR1);
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void CreationArray(const G4DynamicParticle * aHadron,
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G4Nucleus * aNucleus);
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void ArrayForHeavy(const G4DynamicParticle * aHadron,
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G4Nucleus * aNucleus);
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void ArrayForLight(const G4DynamicParticle * aHadron,
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G4Nucleus * aNucleus);
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G4double InterPol(G4double X1, G4double X2, G4double X3,
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G4double Y1, G4double Y2, G4double Y3,
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G4double X);
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G4double HadronNucleusQ2(G4DynamicParticle * aHadron,
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G4Nucleus & aNucleus);
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G4double HadronNucleusQ2_2(G4DynamicParticle * aHadron,
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G4int A, G4int kk,
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ElasticData * pElD);
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G4double GetLightFq2(G4int N, G4double Q, G4int Step,
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NucleusParameters * NP);
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G4int GetBinom(G4int m, G4int n);
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// ======================================================
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G4DynamicParticle aHad;
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G4float GetFt(G4double T);
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G4float GetDistrFun(G4double Q2);
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G4double GetQ2(G4double Ran);
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G4double GetQ2_2(G4int N, G4double * Q,
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G4double * F, G4double R);
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G4double HadronProtonQ2(G4DynamicParticle * aHadron);
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G4double Weight;
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G4int HadrCode;
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G4String HadronName;
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// G4double RR1, R2, Pnucl, Aeff;
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std::vector<ElasticData> SetOfElasticData;
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ElasticData ElD;
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NucleusParameters NucPar;
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G4IonTable * MyIonTable;
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G4DiffElasticHadrNucleus aDiffElHadNcls;
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// G4HadFinalState FinState;
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G4int Nstep, // The number of steps on Q2
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iKindWork, //
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iContr, //
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iPoE; // The number of steps on E
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G4int iTypeWork, CurrentN;
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G4double aNucleon;
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// ,* pTableCrSec, // The array of distr. func.
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// // at all energies
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// * pTableE; // The array of E values
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G4double iQ2[ONQ2], // The array of Q2 values
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pTableCrSec[ONQ2XE*AreaNumb],
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pTableE[ONE*AreaNumb],
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iIntgr[ONQ2], // The array of distr. func.
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// at one energy
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Factorials1[250]; // The array for factorials
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G4double dEbeg1, dEend1, dQ2, maxQ2, RandMax;
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}; // The end of the class description
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// ######################################################
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#endif
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