| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | // $Id: G4Generator2BN.hh,v 1.4 2010/10/14 14:00:29 vnivanch Exp $
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| 27 | // GEANT4 tag $Name: emlowen-V09-03-54 $
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| 28 | //
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| 29 | // -------------------------------------------------------------------
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| 30 | //
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| 31 | // GEANT4 Class file
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| 32 | //
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| 33 | //
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| 34 | // File name: G4Generator2BN
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| 35 | //
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| 36 | // Author: Andreia Trindade (andreia@lip.pt)
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| 37 | // Pedro Rodrigues (psilva@lip.pt)
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| 38 | // Luis Peralta (luis@lip.pt)
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| 39 | //
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| 40 | // Creation date: 2 June 2003
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| 41 | //
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| 42 | // Modifications:
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| 43 | // 02 Jun 2003 First implementation acording with new design
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| 44 | // 07 Nov 2003 Lockup tables for fast initialization
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| 45 | //
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| 46 | //
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| 47 | // Class Description:
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| 48 | //
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| 49 | // Concrete class for Bremsstrahlung Angular Distribution Generation - 2BN Distribution
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| 50 | // Further documentation available from http://www.ge.infn.it/geant4/lowE
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| 51 |
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| 52 | // -------------------------------------------------------------------
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| 53 | //
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| 54 |
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| 55 | #ifndef G4Generator2BN_h
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| 56 | #define G4Generator2BN_h 1
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| 57 |
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| 58 | #include "G4ios.hh"
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| 59 | #include "globals.hh"
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| 60 | #include "G4VBremAngularDistribution.hh"
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| 61 |
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| 62 | class G4Generator2BN : public G4VBremAngularDistribution
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| 63 | {
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| 64 |
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| 65 | public:
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| 66 |
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| 67 | G4Generator2BN(const G4String& name = "");
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| 68 |
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| 69 | virtual ~G4Generator2BN();
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| 70 |
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| 71 | G4double PolarAngle(const G4double initial_energy,
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| 72 | const G4double final_energy,
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| 73 | const G4int Z);
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| 74 |
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| 75 | void PrintGeneratorInformation() const;
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| 76 |
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| 77 | public:
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| 78 |
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| 79 | void SetInterpolationThetaIncrement(G4double increment) {dtheta = increment;};
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| 80 | G4double GetInterpolationThetaIncrement() {return dtheta;};
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| 81 |
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| 82 | void SetGammaCutValue(G4double cutValue) {kcut = cutValue;};
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| 83 | G4double GetGammaCutValue() {return kcut;};
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| 84 |
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| 85 | void ConstructMajorantSurface();
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| 86 |
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| 87 | protected:
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| 88 |
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| 89 | G4double CalculateFkt(G4double k, G4double theta, G4double A, G4double c) const;
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| 90 | G4double Calculatedsdkdt(G4double kout, G4double theta, G4double Eel) const;
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| 91 | G4double Generate2BN(G4double Ek, G4double k) const;
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| 92 |
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| 93 |
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| 94 | private:
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| 95 |
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| 96 | G4double b;
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| 97 | G4int index_min, index_max;
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| 98 | G4double kmin, Ekmin;
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| 99 | G4double dtheta;
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| 100 | G4double kcut;
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| 101 | static G4double Atab[320];
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| 102 | static G4double ctab[320];
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| 103 |
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| 104 | // hide assignment operator
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| 105 | G4Generator2BN & operator=(const G4Generator2BN &right);
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| 106 | G4Generator2BN(const G4Generator2BN&);
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| 107 |
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| 108 | };
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| 109 |
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| 110 | #endif
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| 111 |
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