[819] | 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 | // $Id: G4MuNuclearInteraction.icc,v 1.3 2006/06/29 20:57:22 gunter Exp $ |
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[1196] | 28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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[819] | 29 | // |
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| 30 | // $Id: |
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| 31 | // --------------------------------------------------------------- |
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| 32 | // GEANT 4 class inlined methods file |
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| 33 | // |
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| 34 | // History: first implementation, based on object model of |
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| 35 | // 2nd December 1995, G.Cosmo |
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| 36 | // -------- G4MuNuclearInteraction physics process --------- |
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| 37 | // by Laszlo Urban, May 1998 |
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| 38 | // *************************************************************** |
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| 39 | |
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| 40 | inline G4double G4MuNuclearInteraction::GetMeanFreePath( |
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| 41 | const G4Track& trackData, |
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| 42 | G4double, |
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| 43 | G4ForceCondition* condition) |
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| 44 | { |
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| 45 | const G4DynamicParticle* aDynamicParticle; |
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| 46 | G4Material* aMaterial; |
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| 47 | G4double MeanFreePath; |
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| 48 | G4bool isOutRange ; |
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| 49 | |
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| 50 | *condition = NotForced ; |
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| 51 | |
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| 52 | aDynamicParticle = trackData.GetDynamicParticle(); |
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| 53 | aMaterial = trackData.GetMaterial(); |
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| 54 | |
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| 55 | G4double KineticEnergy = aDynamicParticle->GetKineticEnergy(); |
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| 56 | |
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| 57 | if (KineticEnergy < LowestKineticEnergy) |
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| 58 | MeanFreePath = DBL_MAX ; |
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| 59 | else { |
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| 60 | if (KineticEnergy > HighestKineticEnergy) |
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| 61 | KineticEnergy = 0.99*HighestKineticEnergy ; |
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| 62 | MeanFreePath = (*theMeanFreePathTable)(aMaterial->GetIndex())-> |
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| 63 | GetValue( KineticEnergy, isOutRange ); |
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| 64 | } |
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| 65 | return MeanFreePath; |
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| 66 | } |
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| 67 | |
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| 68 | inline G4double G4MuNuclearInteraction::ComputeMeanFreePath( |
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| 69 | const G4ParticleDefinition* ParticleType, |
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| 70 | G4double KineticEnergy, |
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| 71 | const G4Material* aMaterial) |
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| 72 | { |
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| 73 | const G4ElementVector* theElementVector = aMaterial->GetElementVector() ; |
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| 74 | const G4double* theAtomNumDensityVector = |
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| 75 | aMaterial->GetAtomicNumDensityVector(); |
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| 76 | |
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| 77 | G4double SIGMA = 0 ; |
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| 78 | |
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| 79 | for ( size_t i=0 ; i < aMaterial->GetNumberOfElements() ; i++ ) |
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| 80 | { |
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| 81 | SIGMA += theAtomNumDensityVector[i] * |
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| 82 | ComputeMicroscopicCrossSection( ParticleType, KineticEnergy, |
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| 83 | (*theElementVector)[i]->GetZ(), |
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| 84 | (*theElementVector)[i]->GetA()) ; |
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| 85 | } |
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| 86 | |
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| 87 | return SIGMA<=0.0 ? DBL_MAX : 1./SIGMA ; |
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| 88 | } |
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| 89 | |
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| 90 | |
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| 91 | inline G4bool G4MuNuclearInteraction::IsApplicable( |
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| 92 | const G4ParticleDefinition& particle) |
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| 93 | { |
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| 94 | return( (&particle == (const G4ParticleDefinition *)theMuonMinus) |
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| 95 | ||(&particle == (const G4ParticleDefinition *)theMuonPlus) |
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| 96 | ) ; |
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| 97 | } |
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