Gabriele Cosmo
137 lines
5.4 KiB
C++
137 lines
5.4 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// Author: Luciano Pandola
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//
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// History:
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// -----------
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// 20 Oct 2010 L. Pandola 1st implementation.
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// 02 May 2011 L. Pandola Remove dependency on CLHEP::HepMatrix
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// 24 May 2011 L. Pandola Renamed (make default Penelope)
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// 03 Oct 2013 L. Pandola Migration to MT
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// 07 Oct 2013 L. Pandola Add verbosity and ismaster flag for the
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// master-only methods
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// 30 Oct 2013 L. Pandola Add a G4Cache of temporary vectors as
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// private member.
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//
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// -------------------------------------------------------------------
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//
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// Class description:
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// Helper class for the calculation of final state (energy and angular
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// distribution) for bremsstrahlung, Penelope Model, version 2008
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// -------------------------------------------------------------------
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#ifndef G4PENELOPEBREMSSTRAHLUNGFS_HH
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#define G4PENELOPEBREMSSTRAHLUNGFS_HH 1
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#include "globals.hh"
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#include "G4DataVector.hh"
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#include "G4Cache.hh"
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#include <map>
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class G4PhysicsFreeVector;
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class G4PhysicsLogVector;
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class G4Material;
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class G4PhysicsTable;
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class G4PenelopeBremsstrahlungFS
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{
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public:
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//! Only master models are supposed to create instances
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explicit G4PenelopeBremsstrahlungFS(G4int verbosity=0);
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~G4PenelopeBremsstrahlungFS();
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//!
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//! Master and workers (do not touch tables)
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//! All of them are const
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//!
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G4double GetEffectiveZSquared(const G4Material* mat) const;
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size_t GetNBinsX() const {return fNBinsX;};
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G4double GetMomentumIntegral(G4double* y,
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G4double up,G4int momOrder) const;
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const G4PhysicsTable* GetScaledXSTable(const G4Material*,
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const G4double cut) const;
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G4double SampleGammaEnergy(G4double energy,
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const G4Material*, const G4double cut) const;
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//! Reserved for the master model: they build and handle tables
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void ClearTables(G4bool isMaster=true);
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void BuildScaledXSTable(const G4Material* material,G4double cut,
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G4bool isMaster);
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void SetVerbosity(G4int ver){fVerbosity=ver;};
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G4int GetVerbosity(){return fVerbosity;};
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G4PenelopeBremsstrahlungFS & operator=(const G4PenelopeBremsstrahlungFS &right) = delete;
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G4PenelopeBremsstrahlungFS(const G4PenelopeBremsstrahlungFS&) = delete;
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private:
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void ReadDataFile(G4int Z);
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//Tables for energy sampling
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void InitializeEnergySampling(const G4Material*,G4double cut);
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//Differential cross section tables
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//Table contains G4PhysicsVectors of log(XS(E,x)) vs. log(E)
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//for a grid of 32 values in x (= reduced photon energy)
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std::map< std::pair<const G4Material*,G4double> ,
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G4PhysicsTable*> *fReducedXSTable;
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std::map<const G4Material*,G4double> *fEffectiveZSq;
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//Map of element data vs. Z.
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//This is conceptually an array [57][33] with 57 energy
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//points and 32 points in x. The 33-th column gives the total XS vs. E.
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//It is implemented as a one-dimensional array of dimension
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//57*33=1881 elements. data[e][x] --> theElementData[e*(nBinsX+1)+x]
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std::map<G4int,G4DataVector*> *fElementData;
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//Table contains G4PhysicsVectors of integral_XS(E,x) vs. x for a grid of
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//57 values in energy
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std::map< std::pair<const G4Material*,G4double> ,
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G4PhysicsTable*> *fSamplingTable;
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std::map< std::pair<const G4Material*,G4double> ,
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G4PhysicsFreeVector* > *fPBcut;
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//temporary vector. Used as member variable to avoid to book/release the
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//memory on the fly. This vector is over-written at every call of
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//SampleGammaEnergy(). It is thread-local (each thread has its own)
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//and managed by G4Cache
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G4Cache<G4PhysicsFreeVector*> fCache;
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//Element data table
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static const size_t fNBinsE = 57;
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static const size_t fNBinsX = 32;
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//x and E grids used in the data tables
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G4double theXGrid[fNBinsX];
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G4double theEGrid[fNBinsE];
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G4int fVerbosity;
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};
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#endif
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