Gabriele Cosmo
91 lines
4.1 KiB
C++
91 lines
4.1 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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#ifndef G4FTFCrossSection_h
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#define G4FTFCrossSection_h 1
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//
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// $Id: G4FTFCrossSection.hh,v 1.2 2007/04/24 10:37:10 gunter Exp $
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// GEANT4 tag $Name: geant4-09-01 $
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//
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#include "G4Proton.hh"
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class G4FTFCrossSection
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{
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public:
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G4FTFCrossSection(const G4ParticleDefinition * , G4double );
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~G4FTFCrossSection();
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void SethNcmsEnergy(const G4double s);
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void SetTotalCrossSection(const G4double Xtotal);
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void SetElastisCrossSection(const G4double Xelastic);
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void SetInelasticCrossSection(const G4double Xinelastic);
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void SetSlope(const G4double Slope);
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void SetGamma0(const G4double Gamma0);
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G4double GetTotalCrossSection();
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G4double GetElasticCrossSection();
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G4double GetInelasticCrossSection();
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G4double GetSlope();
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G4double GetInelasticProbability(const G4double impactsquare);
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// private:
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G4FTFCrossSection();
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G4double GammaElastic(const G4double impactsquare) {return (FTFGamma0 * std::exp(-FTFSlope * impactsquare));};
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G4double FTFhNcmsEnergy; // Uzhi Initial hN CMS energy
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G4double FTFXtotal;
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G4double FTFXelastic;
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G4double FTFXinelastic;
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G4double FTFSlope;
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G4double FTFGamma0;
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};
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inline void G4FTFCrossSection::SethNcmsEnergy(const G4double s) {FTFhNcmsEnergy = s;}
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inline void G4FTFCrossSection::SetTotalCrossSection(const G4double Xtotal) {FTFXtotal = Xtotal;}
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inline void G4FTFCrossSection::SetElastisCrossSection(const G4double Xelastic) {FTFXelastic = Xelastic;}
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inline void G4FTFCrossSection::SetInelasticCrossSection(const G4double Xinelastic) {FTFXinelastic = Xinelastic;}
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inline void G4FTFCrossSection::SetSlope(const G4double Slope) {FTFSlope = 12.84/Slope;}
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inline void G4FTFCrossSection::SetGamma0(const G4double Gamma0) {FTFGamma0 = Gamma0;}
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inline G4double G4FTFCrossSection::GetTotalCrossSection() {return FTFXtotal;}
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inline G4double G4FTFCrossSection::GetElasticCrossSection() {return FTFXelastic;}
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inline G4double G4FTFCrossSection::GetInelasticCrossSection() {return FTFXinelastic;}
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inline G4double G4FTFCrossSection::GetSlope() {return FTFSlope;}
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inline G4double G4FTFCrossSection::GetInelasticProbability( const G4double impactsquare)
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{
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G4double Gamma = GammaElastic(impactsquare);
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return 2 * Gamma - Gamma *Gamma;
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}
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#endif
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