[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 | // GEANT4 tag $Name: $ |
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| 27 | // |
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| 28 | // -------------------------------------------------------------------- |
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| 29 | // by J.P Wellisch, Sun Sep 15 2002. |
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| 30 | |
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| 31 | #include "G4PiData.hh" |
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| 32 | |
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| 33 | /////////////////////////////////////////////////////////////////////// |
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| 34 | |
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| 35 | G4PiData::G4PiData(const G4double * aT, const G4double * aIn, |
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| 36 | const G4double * anE, G4int nP) |
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| 37 | { |
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| 38 | G4int i=0; |
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| 39 | |
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| 40 | for( i = 0; i < nP; i++ ) |
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| 41 | { |
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| 42 | std::pair<G4double, G4double> x; |
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| 43 | x.first=aT[i]*millibarn; |
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| 44 | x.second=aIn[i]*millibarn; |
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| 45 | std::pair<G4double, std::pair<G4double, G4double > > aP; |
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| 46 | aP.first=anE[i]*GeV; |
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| 47 | aP.second=x; |
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| 48 | push_back(aP); |
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| 49 | } |
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| 50 | } |
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| 51 | |
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| 52 | //////////////////////////////////////////////////////////////////////// |
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| 53 | |
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| 54 | G4bool G4PiData::AppliesTo(G4double kineticEnergy) |
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| 55 | { |
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| 56 | G4bool result = true; |
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| 57 | if(kineticEnergy>back().first) result = false; |
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| 58 | return result; |
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| 59 | } |
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| 60 | |
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| 61 | ////////////////////////////////////////////////////////////////////////// |
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| 62 | |
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| 63 | G4double G4PiData::ReactionXSection(G4double kineticEnergy) |
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| 64 | { |
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| 65 | G4double result = 0; |
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| 66 | G4PiData::iterator it=begin(); |
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| 67 | while(it!=end()&&kineticEnergy>(*it).first) {it++;} |
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| 68 | if(it==end()) |
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| 69 | { |
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| 70 | G4Exception("G4PiData", "007", FatalException, |
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| 71 | "ReactionXSection used outside validity range"); |
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| 72 | } |
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| 73 | if(it==begin()) it++; |
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| 74 | G4double x1,x2,e1,e2; |
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| 75 | e1=(*(it-1)).first; |
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| 76 | x1=(*(it-1)).second.second; |
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| 77 | e2=(*(it)).first; |
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| 78 | x2=(*(it)).second.second; |
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| 79 | result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1)); |
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| 80 | return result; |
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| 81 | } |
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| 82 | |
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| 83 | //////////////////////////////////////////////////////////////////////////// |
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| 84 | |
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| 85 | G4double G4PiData::ElasticXSection(G4double kineticEnergy) |
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| 86 | { |
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| 87 | G4double result = 0; |
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| 88 | G4PiData::iterator it=begin(); |
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| 89 | while(it!=end()&&kineticEnergy>(*it).first) {it++;} |
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| 90 | if(it==end()) |
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| 91 | { |
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| 92 | G4Exception("G4PiData", "007", FatalException, |
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| 93 | "ElasticXSection used outside validity range"); |
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| 94 | } |
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| 95 | if(it==begin()) it++; |
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| 96 | G4double x1,x2,e1,e2; |
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| 97 | e1=(*(it-1)).first; |
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| 98 | x1=(*(it-1)).second.first - (*(it-1)).second.second; |
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| 99 | e2=(*(it)).first; |
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| 100 | x2=(*(it)).second.first - (*(it)).second.second; |
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| 101 | result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1)); |
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| 102 | return result; |
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| 103 | } |
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| 104 | |
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| 105 | //////////////////////////////////////////////////////////////////////////// |
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| 106 | |
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| 107 | G4double G4PiData::TotalXSection(G4double kineticEnergy) |
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| 108 | { |
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| 109 | G4double result = 0; |
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| 110 | G4PiData::iterator it=begin(); |
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| 111 | while(it!=end()&&kineticEnergy>(*it).first) {it++;} |
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| 112 | if(it==end()) |
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| 113 | { |
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| 114 | G4Exception("G4PiData", "007", FatalException, |
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| 115 | "ElasticXSection used outside validity range"); |
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| 116 | } |
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| 117 | if(it==begin()) it++; |
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| 118 | G4double x1,x2,e1,e2; |
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| 119 | e1=(*(it-1)).first; |
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| 120 | x1=(*(it-1)).second.first; |
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| 121 | e2=(*(it)).first; |
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| 122 | x2=(*(it)).second.first; |
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| 123 | result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1)); |
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| 124 | return result; |
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| 125 | } |
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