Gabriele Cosmo
107 lines
3.4 KiB
C++
107 lines
3.4 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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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class file
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//
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//
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// File name: G4Generator2BN
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//
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// Author: Andreia Trindade (andreia@lip.pt)
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// Pedro Rodrigues (psilva@lip.pt)
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// Luis Peralta (luis@lip.pt)
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//
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// Creation date: 2 June 2003
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//
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// Modifications:
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// 02 Jun 2003 First implementation acording with new design
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// 07 Nov 2003 Lockup tables for fast initialization
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//
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//
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// Class Description:
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//
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// Concrete class for Bremsstrahlung Angular Distribution Generation - 2BN Distribution
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// Further documentation available from http://www.ge.infn.it/geant4/lowE
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// -------------------------------------------------------------------
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//
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#ifndef G4Generator2BN_h
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#define G4Generator2BN_h 1
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#include "G4ios.hh"
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#include "globals.hh"
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#include "G4VBremAngularDistribution.hh"
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class G4Generator2BN : public G4VBremAngularDistribution
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{
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public:
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G4Generator2BN(const G4String& name);
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~G4Generator2BN();
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G4double PolarAngle(const G4double initial_energy,
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const G4double final_energy,
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const G4int Z);
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void PrintGeneratorInformation() const;
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public:
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void SetInterpolationThetaIncrement(G4double increment) {dtheta = increment;};
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G4double GetInterpolationThetaIncrement() {return dtheta;};
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void SetGammaCutValue(G4double cutValue) {kcut = cutValue;};
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G4double GetGammaCutValue() {return kcut;};
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void ConstructMajorantSurface();
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protected:
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G4double CalculateFkt(G4double k, G4double theta, G4double A, G4double c) const;
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G4double Calculatedsdkdt(G4double kout, G4double theta, G4double Eel) const;
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G4double Generate2BN(G4double Ek, G4double k) const;
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private:
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G4double b;
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G4int index_min, index_max;
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G4double kmin, Ekmin;
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G4double dtheta;
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G4double kcut;
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static G4double Atab[320];
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static G4double ctab[320];
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// hide assignment operator
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G4Generator2BN & operator=(const G4Generator2BN &right);
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G4Generator2BN(const G4Generator2BN&);
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};
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#endif
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