Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer << 3 // * DISCLAIMER * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th << 5 // * The following disclaimer summarizes all the specific disclaimers * 6 // * the Geant4 Collaboration. It is provided << 6 // * of contributors to this software. The specific disclaimers,which * 7 // * conditions of the Geant4 Software License << 7 // * govern, are listed with their locations in: * 8 // * LICENSE and available at http://cern.ch/ << 8 // * http://cern.ch/geant4/license * 9 // * include a list of copyright holders. << 10 // * 9 // * * 11 // * Neither the authors of this software syst 10 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing fin 11 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warran 12 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assum 13 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file << 14 // * use. * 16 // * for the full disclaimer and the limitatio << 17 // * 15 // * * 18 // * This code implementation is the result << 16 // * This code implementation is the intellectual property of the * 19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. * 20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work * 21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this * 22 // * use in resulting scientific publicati << 20 // * statement, and all its terms. * 23 // * acceptance of all terms of the Geant4 Sof << 24 // ******************************************* 21 // ******************************************************************** 25 // 22 // 26 #include <cmath> << 27 #include "G4Exp.hh" << 28 #include "G4Log.hh" << 29 #include "G4XpimNTotal.hh" 23 #include "G4XpimNTotal.hh" 30 #include "G4SystemOfUnits.hh" << 24 #include <math.h> 31 25 32 G4XpimNTotal:: 26 G4XpimNTotal:: 33 G4XpimNTotal() 27 G4XpimNTotal() 34 { 28 { 35 std::pair<double,double> it; << 29 G4Pair<double,double> it; 36 it.first=1105.46 ;it.second= 8.8; theLowED 30 it.first=1105.46 ;it.second= 8.8; theLowEData.push_back(it); 37 it.first=1139.41 ;it.second= 13.6; theLowE 31 it.first=1139.41 ;it.second= 13.6; theLowEData.push_back(it); 38 it.first=1165.12 ;it.second= 26.0; theLowE 32 it.first=1165.12 ;it.second= 26.0; theLowEData.push_back(it); 39 it.first=1198.8 ;it.second= 60.; theLowED 33 it.first=1198.8 ;it.second= 60.; theLowEData.push_back(it); 40 it.first=1212.51 ;it.second= 70.; theLowED 34 it.first=1212.51 ;it.second= 70.; theLowEData.push_back(it); 41 it.first=1222.84 ;it.second= 72.; theLowED 35 it.first=1222.84 ;it.second= 72.; theLowEData.push_back(it); 42 it.first=1233.18 ;it.second= 68.; theLowED 36 it.first=1233.18 ;it.second= 68.; theLowEData.push_back(it); 43 it.first=1240.08 ;it.second= 65.; theLowED 37 it.first=1240.08 ;it.second= 65.; theLowEData.push_back(it); 44 it.first=1301.86 ;it.second= 30.; theLowED 38 it.first=1301.86 ;it.second= 30.; theLowEData.push_back(it); 45 it.first=1335.65 ;it.second= 26.; theLowED 39 it.first=1335.65 ;it.second= 26.; theLowEData.push_back(it); 46 it.first=1368.93 ;it.second= 27.; theLowED 40 it.first=1368.93 ;it.second= 27.; theLowEData.push_back(it); 47 it.first=1433.81 ;it.second= 30.; theLowED 41 it.first=1433.81 ;it.second= 30.; theLowEData.push_back(it); 48 it.first=1496.42 ;it.second= 45.; theLowED 42 it.first=1496.42 ;it.second= 45.; theLowEData.push_back(it); 49 it.first=1508.67 ;it.second= 47.; theLowED 43 it.first=1508.67 ;it.second= 47.; theLowEData.push_back(it); 50 it.first=1520.84 ;it.second= 45.; theLowED 44 it.first=1520.84 ;it.second= 45.; theLowEData.push_back(it); 51 it.first=1568.67 ;it.second= 35.; theLowED 45 it.first=1568.67 ;it.second= 35.; theLowEData.push_back(it); 52 it.first=1603.69 ;it.second= 37.; theLowED 46 it.first=1603.69 ;it.second= 37.; theLowEData.push_back(it); 53 it.first=1660.54 ;it.second= 58.; theLowED 47 it.first=1660.54 ;it.second= 58.; theLowEData.push_back(it); 54 it.first=1674.47 ;it.second= 59.; theLowED 48 it.first=1674.47 ;it.second= 59.; theLowEData.push_back(it); 55 it.first=1688.29 ;it.second= 58.; theLowED 49 it.first=1688.29 ;it.second= 58.; theLowEData.push_back(it); 56 it.first=1779.57 ;it.second= 36.; theLowED 50 it.first=1779.57 ;it.second= 36.; theLowEData.push_back(it); 57 it.first=1881.49 ;it.second= 36.8; theLowE 51 it.first=1881.49 ;it.second= 36.8; theLowEData.push_back(it); 58 it.first=1978.31 ;it.second= 34.5; theLowE 52 it.first=1978.31 ;it.second= 34.5; theLowEData.push_back(it); 59 it.first=2038.82 ;it.second= 34.5; theLowE 53 it.first=2038.82 ;it.second= 34.5; theLowEData.push_back(it); 60 it.first=2115.39 ;it.second= 36.; theLowED 54 it.first=2115.39 ;it.second= 36.; theLowEData.push_back(it); 61 it.first=2159.18 ;it.second= 36.3; theLowE 55 it.first=2159.18 ;it.second= 36.3; theLowEData.push_back(it); 62 it.first=2244.22 ;it.second= 36.; theLowED 56 it.first=2244.22 ;it.second= 36.; theLowEData.push_back(it); 63 it.first=2424.78 ;it.second= 33.; theLowED 57 it.first=2424.78 ;it.second= 33.; theLowEData.push_back(it); 64 it.first=2664.2 ;it.second= 32.; theLowED 58 it.first=2664.2 ;it.second= 32.; theLowEData.push_back(it); 65 it.first=3487.43 ;it.second= 28.; theLowED 59 it.first=3487.43 ;it.second= 28.; theLowEData.push_back(it); 66 it.first=4434.76 ;it.second= 26.7; theLowE 60 it.first=4434.76 ;it.second= 26.7; theLowEData.push_back(it); 67 } 61 } 68 62 69 G4double G4XpimNTotal:: 63 G4double G4XpimNTotal:: 70 CrossSection(const G4KineticTrack& trk1, cons 64 CrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const 71 { 65 { 72 G4double sqrts = (trk1.Get4Momentum() + trk 66 G4double sqrts = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag(); 73 if(sqrts > theLowEData.back().first/MeV) re 67 if(sqrts > theLowEData.back().first/MeV) return thePDGData.CrossSection(trk1, trk2); 74 G4double result = 0; 68 G4double result = 0; 75 size_t i(0), it(0); 69 size_t i(0), it(0); 76 if(sqrts<theLowEData[0].first) return 0; 70 if(sqrts<theLowEData[0].first) return 0; 77 for(i=0; i<theLowEData.size(); i++) 71 for(i=0; i<theLowEData.size(); i++) 78 { 72 { 79 if(theLowEData[i].first/MeV>sqrts) break; 73 if(theLowEData[i].first/MeV>sqrts) break; 80 it = i; 74 it = i; 81 } 75 } 82 G4double x1 = G4Log(theLowEData[it].first); << 76 G4double x1 = log(theLowEData[it].first); 83 G4double x2 = G4Log(theLowEData[it+1].first << 77 G4double x2 = log(theLowEData[it+1].first); 84 G4double y1 = G4Log(theLowEData[it].second) << 78 G4double y1 = log(theLowEData[it].second); 85 G4double y2 = G4Log(theLowEData[it+1].secon << 79 G4double y2 = log(theLowEData[it+1].second); 86 G4double x = G4Log(sqrts); << 80 G4double x = log(sqrts); 87 G4double y = y1+(x-x1)*(y2-y1)/(x2-x1); 81 G4double y = y1+(x-x1)*(y2-y1)/(x2-x1); 88 result = G4Exp(y); << 82 result = exp(y); 89 return result*millibarn; 83 return result*millibarn; 90 } 84 } 91 85