[819] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | #ifndef G4PomeronCrossSection_h |
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| 27 | #define G4PomeronCrossSection_h 1 |
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| 28 | // |
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| 29 | // $Id: G4PomeronCrossSection.hh,v 1.3 2006/06/29 20:55:19 gunter Exp $ |
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[962] | 30 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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[819] | 31 | // |
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| 32 | #include "G4Proton.hh" |
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| 33 | #include "G4Neutron.hh" |
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| 34 | |
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| 35 | #include "G4PionPlus.hh" |
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| 36 | #include "G4PionMinus.hh" |
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| 37 | #include "G4PionZero.hh" |
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| 38 | |
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| 39 | #include "G4KaonPlus.hh" |
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| 40 | #include "G4KaonMinus.hh" |
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| 41 | #include "G4KaonZero.hh" |
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| 42 | #include "G4KaonZeroShort.hh" |
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| 43 | #include "G4KaonZeroLong.hh" |
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| 44 | #include "G4Gamma.hh" |
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| 45 | |
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| 46 | class G4PomeronCrossSection |
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| 47 | { |
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| 48 | |
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| 49 | public: |
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| 50 | G4PomeronCrossSection(const G4ParticleDefinition * ); |
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| 51 | G4PomeronCrossSection(const G4Proton * ); |
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| 52 | G4PomeronCrossSection(const G4Neutron * ); |
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| 53 | |
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| 54 | G4PomeronCrossSection(const G4PionPlus * ); |
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| 55 | G4PomeronCrossSection(const G4PionMinus * ); |
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| 56 | G4PomeronCrossSection(const G4PionZero * ); |
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| 57 | |
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| 58 | G4PomeronCrossSection(const G4KaonPlus * ); |
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| 59 | G4PomeronCrossSection(const G4KaonMinus * ); |
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| 60 | G4PomeronCrossSection(const G4KaonZero * ); |
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| 61 | G4PomeronCrossSection(const G4KaonZeroLong * ); |
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| 62 | G4PomeronCrossSection(const G4KaonZeroShort * ); |
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| 63 | |
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| 64 | G4PomeronCrossSection(const G4Gamma * ); |
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| 65 | |
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| 66 | ~G4PomeronCrossSection(); |
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| 67 | // s = (center of mass energy)**2 |
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| 68 | G4double GetTotalCrossSection(const G4double s); |
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| 69 | G4double GetDiffractiveCrossSection(const G4double s); |
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| 70 | G4double GetElasticCrossSection(const G4double s); |
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| 71 | G4double GetInelasticCrossSection(const G4double s); |
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| 72 | |
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| 73 | G4double GetTotalProbability(const G4double s, |
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| 74 | const G4double impactsquare); |
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| 75 | G4double GetDiffractiveProbability(const G4double s, |
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| 76 | const G4double impactsquare); |
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| 77 | G4double GetNondiffractiveProbability(const G4double s, |
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| 78 | const G4double impactsquare); |
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| 79 | G4double GetElasticProbability(const G4double s, |
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| 80 | const G4double impactsquare); |
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| 81 | |
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| 82 | G4double GetInelasticProbability(const G4double s, |
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| 83 | const G4double impactsquare); |
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| 84 | |
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| 85 | G4double GetCutPomeronProbability(const G4double s, |
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| 86 | const G4double impactsquare, const G4int nPomerons); |
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| 87 | |
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| 88 | void Setgamma(const G4double agam); // temporary only! GF. |
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| 89 | G4double SoftEikonal(G4double s, G4double impactsquare); |
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| 90 | G4double HardEikonal(G4double s, G4double impactsquare); |
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| 91 | |
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| 92 | void Pomeron_S(G4double apomeron_S){ pomeron_S = apomeron_S;} |
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| 93 | void Pomeron_Gamma(G4double apomeron_Gamma){ pomeron_Gamma = apomeron_Gamma;} |
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| 94 | void Pomeron_C(G4double apomeron_C){ pomeron_C = apomeron_C;} |
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| 95 | void Pomeron_Rsquare(G4double apomeron_Rsquare){ pomeron_Rsquare = apomeron_Rsquare;} |
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| 96 | void Pomeron_Alpha(G4double apomeron_Alpha){ pomeron_Alpha = apomeron_Alpha;} |
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| 97 | void Pomeron_Alphaprime(G4double apomeron_Alphaprime){ pomeron_Alphaprime = apomeron_Alphaprime;} |
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| 98 | void Pomeron_Gamma_Hard(G4double apomeron_Gamma_Hard){ pomeron_Gamma_Hard = apomeron_Gamma_Hard;} |
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| 99 | void Pomeron_Alpha_Hard(G4double apomeron_Alpha_Hard){ pomeron_Alpha_Hard = apomeron_Alpha_Hard;} |
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| 100 | |
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| 101 | private: |
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| 102 | G4double PowerSoft(const G4double s); |
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| 103 | G4double PowerHard(const G4double s); |
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| 104 | G4double LambdaSoft(const G4double s); |
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| 105 | G4double LambdaHard(const G4double s); |
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| 106 | G4double Zsoft(const G4double s); |
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| 107 | G4double Zhard(const G4double s); |
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| 108 | |
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| 109 | G4PomeronCrossSection(); |
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| 110 | void InitForNucleon(); |
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| 111 | void InitForPion(); |
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| 112 | void InitForKaon(); |
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| 113 | void InitForGamma(); |
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| 114 | |
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| 115 | G4double Expand(G4double z); |
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| 116 | inline G4double Z(const G4double Scms); |
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| 117 | inline G4double SigP(const G4double Scms); |
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| 118 | inline G4double Power(const G4double Scms); |
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| 119 | inline G4double Lambda(const G4double s); |
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| 120 | inline G4double Eikonal(const G4double s,const G4double impactsquare); |
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| 121 | |
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| 122 | G4double pomeron_S; |
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| 123 | G4double pomeron_Gamma; |
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| 124 | G4double pomeron_C; |
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| 125 | G4double pomeron_Rsquare; |
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| 126 | G4double pomeron_Alpha; |
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| 127 | G4double pomeron_Alphaprime; |
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| 128 | G4double pomeron_Gamma_Hard; |
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| 129 | G4double pomeron_Alpha_Hard; |
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| 130 | |
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| 131 | |
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| 132 | }; |
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| 133 | #endif |
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