Gabriele Cosmo
206 lines
6.6 KiB
C++
206 lines
6.6 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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// $Id: G4EmCorrections.hh,v 1.3 2005/02/26 22:01:20 vnivanch Exp $
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// GEANT4 tag $Name: geant4-08-00 $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class header file
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//
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//
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// File name: G4EmCorrections
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//
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// Author: Vladimir Ivanchenko
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//
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// Creation date: 13.01.2005
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//
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// Modifications:
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//
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//
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// Class Description:
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//
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// This class provides calculation of EM corrections to ionisation
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//
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// -------------------------------------------------------------------
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//
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#ifndef G4EmCorrections_h
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#define G4EmCorrections_h 1
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#include "globals.hh"
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#include "G4AtomicShells.hh"
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#include "G4ionEffectiveCharge.hh"
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class G4Material;
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class G4ParticleDefinition;
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class G4EmCorrections
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{
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public:
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G4EmCorrections();
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virtual ~G4EmCorrections();
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G4double HighOrderCorrections(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double Bethe(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double SpinCorrection(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double KShellCorrection(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double LShellCorrection(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double ShellCorrection(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double ShellCorrectionSTD(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double DensityCorrection(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double BarkasCorrection(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double BlochCorrection(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double MottCorrection(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy);
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G4double NuclearDEDX(const G4ParticleDefinition* p,
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const G4Material* material,
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G4double kineticEnergy,
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G4bool fluct = true);
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private:
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void Initialise();
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G4double KShell(G4double theta, G4double eta);
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G4double LShell(G4double theta, G4double eta);
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G4int Index(G4double x, G4double* y, G4int n);
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G4double Value(G4double xv, G4double x1, G4double x2, G4double y1, G4double y2);
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G4double Value2(G4double xv, G4double yv, G4double x1, G4double x2,
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G4double y1, G4double y2,
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G4double z11, G4double z21, G4double z12, G4double z22);
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G4double NuclearStoppingPower(G4double e, G4double z1, G4double z2,
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G4double m1, G4double m2);
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// hide assignment operator
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G4EmCorrections & operator=(const G4EmCorrections &right);
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G4EmCorrections(const G4EmCorrections&);
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G4double engBarkas[47];
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G4double corBarkas[47];
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G4double e[104];
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G4double a[104];
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G4double theZieglerFactor;
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G4double alpha2;
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G4bool lossFlucFlag;
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G4int nK;
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G4int nL;
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G4int nEtaK;
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G4int nEtaL;
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G4double COSEB[14];
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G4double COSXI[14];
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G4double ZD[11];
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G4double TheK[20];
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G4double SK[20];
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G4double TK[20];
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G4double UK[20];
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G4double VK[20];
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G4double ZK[20];
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G4double TheL[26];
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G4double SL[26];
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G4double TL[26];
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G4double UL[26];
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G4double VL[26];
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G4double Eta[29];
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G4double CK[20][29];
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G4double CL[26][28];
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G4double HM[53];
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G4double HN[31];
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G4double MSH[93];
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G4double TAU[93];
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G4AtomicShells shells;
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G4ionEffectiveCharge effCharge;
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};
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inline G4int G4EmCorrections::Index(G4double x, G4double* y, G4int n)
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{
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G4int idx = n-1;
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do {idx--;} while (idx>0 && x<y[idx]);
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return idx;
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}
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inline G4double G4EmCorrections::Value(G4double xv, G4double x1, G4double x2,
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G4double y1, G4double y2)
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{
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return y1 + (y2 - y1)*(xv - x1)/(x2 - x1);
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}
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inline G4double G4EmCorrections::Value2(G4double xv, G4double yv, G4double x1, G4double x2,
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G4double y1, G4double y2,
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G4double z11, G4double z21, G4double z12, G4double z22)
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{
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return (z11*(x2-xv)*(y2-yv) + z22*(xv-x1)*(yv-y1) +
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0.5*(z12*((x2-xv)*(yv-y1)+(xv-x1)*(y2-yv))+z21*((xv-x1)*(y2-yv)+(yv-y1)*(x2-xv))))
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/ ((x2-x1)*(y2-y1));
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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