| 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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