00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // Short description: CHIPS cross-sectons for Ion-Ion interactions 00027 // --------------------------------------------------------------- 00028 // 00029 // 00030 // GEANT4 tag $Name: not supported by cvs2svn $ 00031 // 00032 // 00033 // GEANT4 physics class: G4QIonIonCrossSection -- header file 00034 // Created: M.V. Kossov, CERN/ITEP(Moscow), 19-Aug-07 00035 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 19-Aug-07 00036 //----------------------------------------------------------------------------------------- 00037 // In this class, just as an experiment the real PDG codes (not CHIPS) are used 00038 //----------------------------------------------------------------------------------------- 00039 // 00040 // **************************************************************************************** 00041 // ********* This HEADER is temporary moved from the chips/interface directory ********* 00042 // ******* DO NOT MAKE ANY CHANGE! With time it'll move back to photolepton...(M.K.) ****** 00043 // **************************************************************************************** 00044 00045 #ifndef G4QIonIonCrossSection_h 00046 #define G4QIonIonCrossSection_h 1 00047 00048 #include "G4ParticleTable.hh" 00049 #include "G4NucleiProperties.hh" 00050 #include <vector> 00051 #include "G4VQCrossSection.hh" 00052 #include "G4QPDGCode.hh" 00053 #include "G4QProtonElasticCrossSection.hh" 00054 #include "G4QNeutronElasticCrossSection.hh" 00055 #include "G4QProtonNuclearCrossSection.hh" 00056 #include "G4QNeutronNuclearCrossSection.hh" 00057 00058 00059 class G4QIonIonCrossSection : public G4VQCrossSection 00060 { 00061 protected: 00062 00063 G4QIonIonCrossSection() {} 00064 00065 public: 00066 00067 ~G4QIonIonCrossSection() {} 00068 00069 static G4VQCrossSection* GetPointer(); // Gives a pointer to this singletone 00070 00071 // At present momentum (pMom) must be in GeV(@@ Units),fCS=true:Inelastic, =false:Elastic 00072 virtual G4double GetCrossSection(G4bool fCS, G4double pMom, G4int Z, G4int N, G4int PDG); 00073 00074 // Momentum=p/A (MeV/c) 00075 G4double CalculateCrossSection(G4bool fCS, G4int F, G4int I, G4int PDG, 00076 G4int tZ, G4int tN, G4double Momentum); 00077 00078 G4double ThresholdMomentum(G4int pZ, G4int pN, G4int tZ, G4int tN);// P-Threshold(MeV/c) 00079 00080 private: 00081 G4int GetFunctions(G4int pZ, G4int pN, G4int tZ, G4int tN, 00082 G4double* LI, G4double* HI, // Inelastic 00083 G4double* LE, G4double* HE); // Elastic 00084 00085 G4double CalculateTotal(G4double pA, G4double tA, G4double Momentum); 00086 G4double CalculateElTot(G4double pA, G4double tA, G4double Momentum); 00087 // Momentum=p/A (MeV/c), first=InelasticCS, second=elasticCS (mb) 00088 std::pair<G4double,G4double> CalculateXS(G4int pZ,G4int pN,G4int tZ,G4int tN,G4double P); 00089 00090 // Body 00091 private: 00092 static G4double* lastLENI;// Pointer to the last array of LowEnergy Inel cross sections 00093 static G4double* lastHENI;// Pointer to the last array of HighEnergy Inel cross sections 00094 static G4double* lastLENE;// Pointer to the last array of LowEnergy Elast cross sections 00095 static G4double* lastHENE;// Pointer to the last array of HighEnergy Elast cross sections 00096 static G4double lastE; // Last used in the cross section Energy 00097 static G4int lastPDG; // The last projectile PDG 00098 static G4int lastN; // The last N of calculated nucleus 00099 static G4int lastZ; // The last Z of calculated nucleus 00100 static G4double lastP; // Last used in the cross section Momentum 00101 static G4double lastTH; // Last value of the Momentum Threshold 00102 static G4double lastICS; // Last value of the Inelastic Cross Section 00103 static G4double lastECS; // Last value of the Elastic Cross Section 00104 static G4int lastI; // The last position in the DAMDB 00105 }; 00106 00107 #endif