Gabriele Cosmo
86 lines
3.4 KiB
C++
86 lines
3.4 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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// Geant4 header G4EmUtility
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//
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// Author V.Ivanchenko 14.03.2022
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//
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// Utilities used at initialisation of EM physics
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//
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#ifndef G4EmUtility_h
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#define G4EmUtility_h 1
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#include <vector>
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#include "globals.hh"
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#include "G4Region.hh"
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#include "G4PhysicsTable.hh"
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#include "G4EmTableType.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4VDiscreteProcess.hh"
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#include "G4LossTableBuilder.hh"
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#include "G4Material.hh"
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#include "G4Element.hh"
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#include "G4Isotope.hh"
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#include "G4DataVector.hh"
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#include "G4VEmModel.hh"
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class G4EmUtility
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{
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public:
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// find G4Region pointer by name, by default no verbosity
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static const G4Region* FindRegion(const G4String& regionName,
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const G4int verbose = 0);
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// sample random G4Element for the case if cross section is
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// proportional to the number of electrons in an atom
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static const G4Element* SampleRandomElement(const G4Material*);
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// sample random G4Isotope
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static const G4Isotope* SampleRandomIsotope(const G4Element*);
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// find energy of cross section maximum for all couples
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static std::vector<G4double>* FindCrossSectionMax(G4PhysicsTable*);
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static std::vector<G4double>*
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FindCrossSectionMax(G4VDiscreteProcess*, const G4ParticleDefinition*);
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// fill structure describing more than one peak in cross sections
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static std::vector<G4TwoPeaksXS*>*
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FillPeaksStructure(G4PhysicsTable*, G4LossTableBuilder*);
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// model initialisation
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static void InitialiseElementSelectors(G4VEmModel*,
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const G4ParticleDefinition*,
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const G4DataVector& cuts,
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const G4double emin,
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const G4double emax);
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};
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#endif
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