| 1 | //
|
|---|
| 2 | // ********************************************************************
|
|---|
| 3 | // * License and Disclaimer *
|
|---|
| 4 | // * *
|
|---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
|
|---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
|
|---|
| 7 | // * conditions of the Geant4 Software License, included in the file *
|
|---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
|
|---|
| 9 | // * include a list of copyright holders. *
|
|---|
| 10 | // * *
|
|---|
| 11 | // * Neither the authors of this software system, nor their employing *
|
|---|
| 12 | // * institutes,nor the agencies providing financial support for this *
|
|---|
| 13 | // * work make any representation or warranty, express or implied, *
|
|---|
| 14 | // * regarding this software system or assume any liability for its *
|
|---|
| 15 | // * use. Please see the license in the file LICENSE and URL above *
|
|---|
| 16 | // * for the full disclaimer and the limitation of liability. *
|
|---|
| 17 | // * *
|
|---|
| 18 | // * This code implementation is the result of the scientific and *
|
|---|
| 19 | // * technical work of the GEANT4 collaboration. *
|
|---|
| 20 | // * By using, copying, modifying or distributing the software (or *
|
|---|
| 21 | // * any work based on the software) you agree to acknowledge its *
|
|---|
| 22 | // * use in resulting scientific publications, and indicate your *
|
|---|
| 23 | // * acceptance of all terms of the Geant4 Software license. *
|
|---|
| 24 | // ********************************************************************
|
|---|
| 25 | //
|
|---|
| 26 | // File name: G4PiMinusAbsorptionAtRest.hh
|
|---|
| 27 | //
|
|---|
| 28 | // Author: Maria Grazia Pia (pia@genova.infn.it)
|
|---|
| 29 | //
|
|---|
| 30 | // Creation date: 9 May 1998
|
|---|
| 31 | //
|
|---|
| 32 | // -------------------------------------------------------------------
|
|---|
| 33 |
|
|---|
| 34 | #ifndef G4PIMINUSABSORPTIONATREST_HH
|
|---|
| 35 | #define G4PIMINUSABSORPTIONATREST_HH
|
|---|
| 36 |
|
|---|
| 37 | // Class Description:
|
|---|
| 38 | //
|
|---|
| 39 | // Alternative Process for absorption of pi- at rest.
|
|---|
| 40 | // To be used in your physics list in case you need this physics.
|
|---|
| 41 |
|
|---|
| 42 |
|
|---|
| 43 | #include "globals.hh"
|
|---|
| 44 | #include "G4VRestProcess.hh"
|
|---|
| 45 | #include "G4ParticleTypes.hh"
|
|---|
| 46 | #include "G4PiMinusStopMaterial.hh"
|
|---|
| 47 | #include "G4PiMinusStopAbsorption.hh"
|
|---|
| 48 | #include "G4StopDeexcitation.hh"
|
|---|
| 49 | #include "G4StopDeexcitationAlgorithm.hh"
|
|---|
| 50 |
|
|---|
| 51 | class G4DynamicParticle;
|
|---|
| 52 |
|
|---|
| 53 | class G4PiMinusAbsorptionAtRest : public G4VRestProcess
|
|---|
| 54 | {
|
|---|
| 55 |
|
|---|
| 56 | private:
|
|---|
| 57 |
|
|---|
| 58 | // Hide assignment operator as private
|
|---|
| 59 | G4PiMinusAbsorptionAtRest& operator=(const G4PiMinusAbsorptionAtRest &right);
|
|---|
| 60 |
|
|---|
| 61 | // Copy constructor
|
|---|
| 62 | G4PiMinusAbsorptionAtRest(const G4PiMinusAbsorptionAtRest& );
|
|---|
| 63 |
|
|---|
| 64 | public:
|
|---|
| 65 |
|
|---|
| 66 | // Constructor
|
|---|
| 67 | G4PiMinusAbsorptionAtRest(const G4String& processName ="PiMinusAbsorptionAtRest",
|
|---|
| 68 | G4ProcessType aType = fHadronic );
|
|---|
| 69 |
|
|---|
| 70 | // Destructor
|
|---|
| 71 | ~G4PiMinusAbsorptionAtRest();
|
|---|
| 72 |
|
|---|
| 73 | G4bool IsApplicable(const G4ParticleDefinition& particle)
|
|---|
| 74 | { return ( particle == *(G4PionMinus::PionMinus()) ); }
|
|---|
| 75 |
|
|---|
| 76 | G4VParticleChange* AtRestDoIt(const G4Track& aTrack, const G4Step& aStep);
|
|---|
| 77 |
|
|---|
| 78 | void SetDeexcitationAlgorithm(G4int index);
|
|---|
| 79 |
|
|---|
| 80 | protected:
|
|---|
| 81 |
|
|---|
| 82 | // zero mean lifetime
|
|---|
| 83 | G4double GetMeanLifeTime(const G4Track& aTrack,
|
|---|
| 84 | G4ForceCondition* )
|
|---|
| 85 | {
|
|---|
| 86 | G4double result = 0;
|
|---|
| 87 | if(aTrack.GetMaterial()->GetNumberOfElements() == 1)
|
|---|
| 88 | if(aTrack.GetMaterial()->GetZ()<1.5) result = DBL_MAX;
|
|---|
| 89 | return result;
|
|---|
| 90 | }
|
|---|
| 91 | private:
|
|---|
| 92 |
|
|---|
| 93 | // G4PiMinusStopAbsorption* _stopAbsorption;
|
|---|
| 94 | // G4StopDeexcitation* _stopDeexcitation;
|
|---|
| 95 | G4int _indexDeexcitation;
|
|---|
| 96 |
|
|---|
| 97 | G4PiMinusStopMaterial* LoadAlgorithm(int Z);
|
|---|
| 98 | G4StopDeexcitationAlgorithm* LoadNucleusAlgorithm();
|
|---|
| 99 | };
|
|---|
| 100 |
|
|---|
| 101 |
|
|---|
| 102 | #endif
|
|---|
| 103 |
|
|---|
