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 | // |
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27 | // -- Bogus -- BaBar Object-Oriented Geant-based Unified Simulation |
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28 | // |
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29 | // BgsLooperDeath |
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30 | // |
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31 | // Description: |
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32 | // This is a simple GEANT4 process that destroys any particle below |
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33 | // the specified total kinetic energy that reverse direction (loops 180 |
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34 | // degress) in the x/y plane. |
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35 | // |
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36 | // Based on BgsChargedLowEnergyDeath |
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37 | // |
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38 | // Author List: |
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39 | // David Williams |
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40 | // |
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41 | // Modification History: |
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42 | // |
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43 | //----------------------------------------------------------------------------- |
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44 | #ifndef NTSTlooperDeath_hh |
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45 | #define NTSTLooperDeath_hh 1 |
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46 | |
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47 | #include "globals.hh" |
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48 | #include "G4VProcess.hh" |
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49 | |
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50 | class NTSTLooperDeath : public G4VProcess |
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51 | { |
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52 | public: |
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53 | |
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54 | NTSTLooperDeath( G4double theMinMomentum=5*MeV, |
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55 | const char* name="NTSTLoopDeath", |
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56 | G4ProcessType type=fUserDefined ); |
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57 | |
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58 | ~NTSTLooperDeath(); |
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59 | |
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60 | |
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61 | // |
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62 | // Derived methods |
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63 | // |
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64 | virtual G4double |
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65 | PostStepGetPhysicalInteractionLength( const G4Track& track, |
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66 | G4double previousStepSize, |
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67 | G4ForceCondition* condition ); |
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68 | |
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69 | virtual G4VParticleChange* PostStepDoIt( const G4Track &track, |
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70 | const G4Step &step ); |
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71 | |
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72 | virtual G4double |
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73 | AlongStepGetPhysicalInteractionLength( const G4Track&, |
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74 | G4double , // previousStepSize, |
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75 | G4double , // currentMinimumStep, |
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76 | G4double& , // currentSafety, |
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77 | G4GPILSelection* ) // selection ) |
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78 | { return -1.0; } |
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79 | |
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80 | virtual G4VParticleChange* AlongStepDoIt( const G4Track & , // track, |
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81 | const G4Step & ) // step |
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82 | { return 0; } |
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83 | |
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84 | virtual G4double |
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85 | AtRestGetPhysicalInteractionLength( const G4Track &, // track, |
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86 | G4ForceCondition * ) // force ) |
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87 | { return -1.0; } |
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88 | |
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89 | virtual G4VParticleChange* |
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90 | AtRestDoIt( const G4Track &, const G4Step & ) // track, step ) |
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91 | { return 0; } |
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92 | |
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93 | |
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94 | virtual G4bool IsApplicable( const G4ParticleDefinition &particle ) |
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95 | { return (particle.GetPDGCharge() != 0); } |
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96 | |
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97 | // |
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98 | // Accessors |
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99 | // |
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100 | void SetMinMomentum( G4double theMinMomentum ) |
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101 | { minMomentum = theMinMomentum; } |
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102 | G4double GetMinMomentum() const |
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103 | { return minMomentum; } |
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104 | |
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105 | protected: |
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106 | |
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107 | G4double minMomentum; |
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108 | }; |
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109 | |
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110 | #endif |
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