| 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 | // |
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| 27 | // The lust update: M.V. Kossov, CERN/ITEP(Moscow) 17-June-02 |
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| 28 | // GEANT4 tag $Name: hadr-chips-V09-03-08 $ |
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| 29 | // |
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| 30 | // |
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| 31 | // G4 Physics class: G4QKaonZeroNuclearCrossSection for gamma+A cross sections |
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| 32 | // Created: M.V. Kossov, CERN/ITEP(Moscow), 20-Dec-03 |
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| 33 | // The last update: M.V. Kossov, CERN/ITEP (Moscow) 15-Feb-04 |
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| 34 | // -------------------------------------------------------------------------------- |
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| 35 | // **************************************************************************************** |
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| 36 | // This Header is a part of the CHIPS physics package (author: M. Kosov) |
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| 37 | // **************************************************************************************** |
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| 38 | // Short description: CHIPS cross-sections for K0-nuclear interactions [K0=(K+ + K-)/2] |
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| 39 | // ------------------------------------------------------------------------------------- |
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| 40 | // |
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| 41 | //#define debug |
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| 42 | //#define pdebug |
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| 43 | //#define debug3 |
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| 44 | //#define debugn |
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| 45 | //#define debugs |
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| 46 | |
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| 47 | #include "G4QKaonZeroNuclearCrossSection.hh" |
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| 48 | |
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| 49 | // Initialization of the |
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| 50 | G4double* G4QKaonZeroNuclearCrossSection::lastLEN=0;// Pointer to the lastArray of LowEn CS |
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| 51 | G4double* G4QKaonZeroNuclearCrossSection::lastHEN=0;// Pointer to the lastArray of HighEnCS |
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| 52 | G4int G4QKaonZeroNuclearCrossSection::lastN=0; // The last N of calculated nucleus |
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| 53 | G4int G4QKaonZeroNuclearCrossSection::lastZ=0; // The last Z of calculated nucleus |
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| 54 | G4double G4QKaonZeroNuclearCrossSection::lastP=0.; // Last used in cross section Momentum |
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| 55 | G4double G4QKaonZeroNuclearCrossSection::lastTH=0.;// Last threshold momentum |
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| 56 | G4double G4QKaonZeroNuclearCrossSection::lastCS=0.;// Last value of the Cross Section |
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| 57 | G4int G4QKaonZeroNuclearCrossSection::lastI=0; // The last position in the DAMDB |
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| 58 | G4VQCrossSection* G4QKaonZeroNuclearCrossSection::theKMinusCS = |
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| 59 | G4QKaonMinusNuclearCrossSection::GetPointer(); |
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| 60 | G4VQCrossSection* G4QKaonZeroNuclearCrossSection::theKPlusCS = |
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| 61 | G4QKaonPlusNuclearCrossSection::GetPointer(); |
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| 62 | |
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| 63 | // Returns Pointer to the G4VQCrossSection class |
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| 64 | G4VQCrossSection* G4QKaonZeroNuclearCrossSection::GetPointer() |
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| 65 | { |
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| 66 | static G4QKaonZeroNuclearCrossSection theCrossSection; //**Static body of Cross Section** |
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| 67 | return &theCrossSection; |
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| 68 | } |
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| 69 | |
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| 70 | // The main member function giving the collision cross section (P is in IU, CS is in mb) |
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| 71 | // Make pMom in independent units ! (Now it is MeV) |
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| 72 | G4double G4QKaonZeroNuclearCrossSection::GetCrossSection(G4bool fCS, G4double pMom, |
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| 73 | G4int tgZ, G4int tgN, G4int PDG) |
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| 74 | { |
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| 75 | #ifdef debug |
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| 76 | G4cout<<"G4QKZCS::GetCS:>>> f="<<fCS<<", p="<<pMom<<", Z="<<tgZ<<"("<<lastZ<<") ,N="<<tgN |
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| 77 | <<"("<<lastN<<"), PDG=130/310, thresh="<<lastTH<<",Sz="<<colN.size()<<G4endl; |
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| 78 | #endif |
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| 79 | if(PDG!=130 && PDG!=310 && PDG!=311 && PDG!=-311) |
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| 80 | G4cout<<"-Warning-G4QKaonZeroCS::GetCS:***Not a K0***, PDG="<<PDG<<G4endl; |
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| 81 | G4double CS=(theKMinusCS->GetCrossSection(fCS,pMom,tgZ,tgN,-321) |
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| 82 | +theKPlusCS->GetCrossSection(fCS,pMom,tgZ,tgN,321))/2; |
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| 83 | #ifdef debug |
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| 84 | G4cout<<"==>G4QKZCS::GetCroSec: P="<<pMom<<"(MeV),CS="<<CS<<"(mb)"<<G4endl; |
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| 85 | #endif |
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| 86 | return CS; |
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| 87 | } |
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| 88 | |
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| 89 | // A fake function (never called) giving the K0-A cross section (Mom in GeV, CS in mb) |
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| 90 | G4double G4QKaonZeroNuclearCrossSection::CalculateCrossSection(G4bool, G4int, G4int, G4int, |
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| 91 | G4int, G4int, G4double) |
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| 92 | { |
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| 93 | G4cout<<"-Warning-G4QKaonZeroCS::CalcCS:*A fake function is called, returns 0**"<<G4endl; |
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| 94 | return 0.; |
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| 95 | } // It is kept because this is a pure virtual function of the G4VQCrossSection interface |
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