Gabriele Cosmo
246 lines
7.8 KiB
C++
246 lines
7.8 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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//
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// GEANT4 Class header file
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//
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//
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// File name: G4VCrossSectionDataSet
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//
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// Author F.W. Jones, TRIUMF, 20-JAN-97
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//
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// Modifications:
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// 23.01.2009 V.Ivanchenko move constructor and destructor to source
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// 05.07.2010 V.Ivanchenko added name, min and max energy limit and
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// corresponding access methods
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// 12.08.2011 G.Folger, V.Ivanchenko, T.Koi, D.Wright redesign the class
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//
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//
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// Class Description
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// This is a base class for hadronic cross section data sets. Users may
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// derive specialized cross section classes and register them with the
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// appropriate process, or use provided data sets.
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//
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// Each cross section should have unique name
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// Minimal and maximal energy for the cross section will be used in run
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// time before IsApplicable method is called
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//
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// Both the name and the energy interval will be used for documentation
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//
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// Class Description - End
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#ifndef G4VCrossSectionDataSet_h
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#define G4VCrossSectionDataSet_h 1
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#include "globals.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4DynamicParticle.hh"
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#include "G4Element.hh"
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#include <iostream>
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class G4DynamicParticle;
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class G4Isotope;
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class G4Material;
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class G4CrossSectionDataSetRegistry;
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class G4VCrossSectionDataSet
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{
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public: //with description
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G4VCrossSectionDataSet(const G4String& nam = "");
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virtual ~G4VCrossSectionDataSet();
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//============== Is Applicable methods ===============================
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// The following three methods have default implementations returning
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// "false". Derived classes should implement only needed methods.
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// Element-wise cross section
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virtual
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G4bool IsElementApplicable(const G4DynamicParticle*, G4int Z,
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const G4Material* mat = nullptr);
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// Derived classes should implement this method if they provide isotope-wise
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// cross sections. Default arguments G4Element and G4Material are needed to
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// access low-energy neutron cross sections, but are not required for others.
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virtual
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G4bool IsIsoApplicable(const G4DynamicParticle*, G4int Z, G4int A,
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const G4Element* elm = nullptr,
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const G4Material* mat = nullptr);
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//============== GetCrossSection methods ===============================
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// This is a generic method to access cross section per element
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// This method should not be overwritten in a derived class
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inline G4double GetCrossSection(const G4DynamicParticle*, const G4Element*,
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const G4Material* mat = nullptr);
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// This is a generic method to compute cross section per element
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// If the DataSet is not applicable the method returns zero
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// This method should not be overwritten in a derived class
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G4double ComputeCrossSection(const G4DynamicParticle*,
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const G4Element*,
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const G4Material* mat = nullptr);
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// The following two methods have default implementations which throw
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// G4Exception. Derived classes should implement only needed
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// methods, which are assumed to be called at run time.
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// Implement this method for element-wise cross section
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virtual
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G4double GetElementCrossSection(const G4DynamicParticle*, G4int Z,
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const G4Material* mat = nullptr);
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// Derived classes should implement this method if they provide isotope-wise
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// cross sections. Default arguments G4Element and G4Material are needed to
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// access low-energy neutron cross sections, but are not required for others.
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virtual
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G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A,
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const G4Isotope* iso = nullptr,
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const G4Element* elm = nullptr,
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const G4Material* mat = nullptr);
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//=====================================================================
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// Implement this method if needed
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// This method is called for element-wise cross section
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// Default implementation assumes equal cross sections for all isotopes
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virtual const G4Isotope* SelectIsotope(const G4Element*, G4double kinEnergy,
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G4double logE);
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// Implement this method if needed
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virtual
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void BuildPhysicsTable(const G4ParticleDefinition&);
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// Implement this method if needed
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// Default implementation will provide a dump of the cross section
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// in logarithmic scale in the interval of applicability
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virtual
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void DumpPhysicsTable(const G4ParticleDefinition&);
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virtual void CrossSectionDescription(std::ostream&) const;
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virtual G4int GetVerboseLevel() const;
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virtual void SetVerboseLevel(G4int value);
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inline G4double GetMinKinEnergy() const;
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inline void SetMinKinEnergy(G4double value);
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inline G4double GetMaxKinEnergy() const;
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inline void SetMaxKinEnergy(G4double value);
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inline bool ForAllAtomsAndEnergies() const;
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inline void SetForAllAtomsAndEnergies(G4bool val);
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inline const G4String& GetName() const;
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inline void SetName(const G4String& nam);
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protected:
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G4int verboseLevel;
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G4String name;
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private:
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G4VCrossSectionDataSet & operator=(const G4VCrossSectionDataSet &right);
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G4VCrossSectionDataSet(const G4VCrossSectionDataSet&);
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G4CrossSectionDataSetRegistry* registry;
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G4double minKinEnergy;
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G4double maxKinEnergy;
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G4bool isForAllAtomsAndEnergies;
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};
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inline G4double
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G4VCrossSectionDataSet::GetCrossSection(const G4DynamicParticle* dp,
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const G4Element* elm,
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const G4Material* mat)
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{
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return ComputeCrossSection(dp, elm, mat);
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}
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inline G4int G4VCrossSectionDataSet::GetVerboseLevel() const
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{
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return verboseLevel;
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}
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inline void G4VCrossSectionDataSet::SetVerboseLevel(G4int value)
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{
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verboseLevel = value;
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}
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inline void G4VCrossSectionDataSet::SetMinKinEnergy(G4double value)
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{
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minKinEnergy = value;
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}
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inline G4double G4VCrossSectionDataSet::GetMinKinEnergy() const
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{
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return minKinEnergy;
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}
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inline void G4VCrossSectionDataSet::SetMaxKinEnergy(G4double value)
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{
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maxKinEnergy = value;
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}
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inline G4double G4VCrossSectionDataSet::GetMaxKinEnergy() const
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{
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return maxKinEnergy;
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}
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inline const G4String& G4VCrossSectionDataSet::GetName() const
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{
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return name;
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}
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inline bool G4VCrossSectionDataSet::ForAllAtomsAndEnergies() const
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{
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return isForAllAtomsAndEnergies;
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}
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inline void G4VCrossSectionDataSet::SetForAllAtomsAndEnergies(G4bool val)
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{
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isForAllAtomsAndEnergies = val;
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}
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inline void G4VCrossSectionDataSet::SetName(const G4String& nam)
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{
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name = nam;
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}
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#endif
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