Gabriele Cosmo
134 lines
5.3 KiB
C++
134 lines
5.3 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 G4PomeronCrossSection_h
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#define G4PomeronCrossSection_h 1
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//
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// $Id: G4PomeronCrossSection.hh,v 1.3 2006/06/29 20:55:19 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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#include "G4Neutron.hh"
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#include "G4PionPlus.hh"
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#include "G4PionMinus.hh"
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#include "G4PionZero.hh"
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#include "G4KaonPlus.hh"
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#include "G4KaonMinus.hh"
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#include "G4KaonZero.hh"
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#include "G4KaonZeroShort.hh"
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#include "G4KaonZeroLong.hh"
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#include "G4Gamma.hh"
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class G4PomeronCrossSection
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{
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public:
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G4PomeronCrossSection(const G4ParticleDefinition * );
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G4PomeronCrossSection(const G4Proton * );
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G4PomeronCrossSection(const G4Neutron * );
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G4PomeronCrossSection(const G4PionPlus * );
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G4PomeronCrossSection(const G4PionMinus * );
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G4PomeronCrossSection(const G4PionZero * );
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G4PomeronCrossSection(const G4KaonPlus * );
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G4PomeronCrossSection(const G4KaonMinus * );
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G4PomeronCrossSection(const G4KaonZero * );
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G4PomeronCrossSection(const G4KaonZeroLong * );
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G4PomeronCrossSection(const G4KaonZeroShort * );
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G4PomeronCrossSection(const G4Gamma * );
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~G4PomeronCrossSection();
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// s = (center of mass energy)**2
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G4double GetTotalCrossSection(const G4double s);
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G4double GetDiffractiveCrossSection(const G4double s);
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G4double GetElasticCrossSection(const G4double s);
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G4double GetInelasticCrossSection(const G4double s);
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G4double GetTotalProbability(const G4double s,
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const G4double impactsquare);
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G4double GetDiffractiveProbability(const G4double s,
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const G4double impactsquare);
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G4double GetNondiffractiveProbability(const G4double s,
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const G4double impactsquare);
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G4double GetElasticProbability(const G4double s,
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const G4double impactsquare);
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G4double GetInelasticProbability(const G4double s,
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const G4double impactsquare);
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G4double GetCutPomeronProbability(const G4double s,
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const G4double impactsquare, const G4int nPomerons);
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void Setgamma(const G4double agam); // temporary only! GF.
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G4double SoftEikonal(G4double s, G4double impactsquare);
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G4double HardEikonal(G4double s, G4double impactsquare);
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void Pomeron_S(G4double apomeron_S){ pomeron_S = apomeron_S;}
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void Pomeron_Gamma(G4double apomeron_Gamma){ pomeron_Gamma = apomeron_Gamma;}
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void Pomeron_C(G4double apomeron_C){ pomeron_C = apomeron_C;}
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void Pomeron_Rsquare(G4double apomeron_Rsquare){ pomeron_Rsquare = apomeron_Rsquare;}
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void Pomeron_Alpha(G4double apomeron_Alpha){ pomeron_Alpha = apomeron_Alpha;}
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void Pomeron_Alphaprime(G4double apomeron_Alphaprime){ pomeron_Alphaprime = apomeron_Alphaprime;}
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void Pomeron_Gamma_Hard(G4double apomeron_Gamma_Hard){ pomeron_Gamma_Hard = apomeron_Gamma_Hard;}
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void Pomeron_Alpha_Hard(G4double apomeron_Alpha_Hard){ pomeron_Alpha_Hard = apomeron_Alpha_Hard;}
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private:
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G4double PowerSoft(const G4double s);
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G4double PowerHard(const G4double s);
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G4double LambdaSoft(const G4double s);
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G4double LambdaHard(const G4double s);
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G4double Zsoft(const G4double s);
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G4double Zhard(const G4double s);
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G4PomeronCrossSection();
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void InitForNucleon();
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void InitForPion();
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void InitForKaon();
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void InitForGamma();
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G4double Expand(G4double z);
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inline G4double Z(const G4double Scms);
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inline G4double SigP(const G4double Scms);
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inline G4double Power(const G4double Scms);
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inline G4double Lambda(const G4double s);
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inline G4double Eikonal(const G4double s,const G4double impactsquare);
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G4double pomeron_S;
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G4double pomeron_Gamma;
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G4double pomeron_C;
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G4double pomeron_Rsquare;
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G4double pomeron_Alpha;
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G4double pomeron_Alphaprime;
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G4double pomeron_Gamma_Hard;
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G4double pomeron_Alpha_Hard;
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};
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#endif
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