[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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[962] | 26 | // 081120 Add Update by T. Koi |
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| 27 | // |
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[819] | 28 | #include "G4QMDMeanField.hh" |
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| 29 | #include "G4QMDParameters.hh" |
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| 30 | |
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| 31 | #include "Randomize.hh" |
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| 32 | |
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| 33 | #include <CLHEP/Random/Stat.h> |
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| 34 | |
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| 35 | #include <map> |
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| 36 | #include <algorithm> |
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| 37 | #include <numeric> |
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| 38 | |
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| 39 | G4QMDMeanField::G4QMDMeanField() |
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| 40 | : rclds ( 4.0 ) // distance for cluster judgement |
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| 41 | , epsx ( -20.0 ) // gauss term |
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| 42 | , epscl ( 0.0001 ) // coulomb term |
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| 43 | , irelcr ( 1 ) |
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| 44 | { |
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| 45 | |
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| 46 | G4QMDParameters* parameters = G4QMDParameters::GetInstance(); |
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| 47 | wl = parameters->Get_wl(); |
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| 48 | cl = parameters->Get_cl(); |
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| 49 | rho0 = parameters->Get_rho0(); |
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| 50 | hbc = parameters->Get_hbc(); |
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| 51 | gamm = parameters->Get_gamm(); |
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| 52 | |
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| 53 | cpw = parameters->Get_cpw(); |
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| 54 | cph = parameters->Get_cph(); |
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| 55 | cpc = parameters->Get_cpc(); |
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| 56 | |
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| 57 | c0 = parameters->Get_c0(); |
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| 58 | c3 = parameters->Get_c3(); |
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| 59 | cs = parameters->Get_cs(); |
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| 60 | |
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| 61 | // distance |
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| 62 | c0w = 1.0/4.0/wl; |
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| 63 | //c3w = 1.0/4.0/wl; //no need |
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| 64 | c0sw = std::sqrt( c0w ); |
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| 65 | clw = 2.0 / std::sqrt ( 4.0 * pi * wl ); |
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| 66 | |
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| 67 | // graduate |
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| 68 | c0g = - c0 / ( 2.0 * wl ); |
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| 69 | c3g = - c3 / ( 4.0 * wl ) * gamm; |
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| 70 | csg = - cs / ( 2.0 * wl ); |
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| 71 | pag = gamm - 1; |
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| 72 | |
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| 73 | } |
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| 74 | |
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| 75 | |
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| 76 | |
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| 77 | G4QMDMeanField::~G4QMDMeanField() |
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| 78 | { |
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| 79 | ; |
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| 80 | } |
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| 81 | |
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| 82 | |
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| 83 | |
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| 84 | void G4QMDMeanField::SetSystem ( G4QMDSystem* aSystem ) |
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| 85 | { |
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| 86 | |
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| 87 | //std::cout << "QMDMeanField SetSystem" << std::endl; |
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| 88 | |
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| 89 | system = aSystem; |
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| 90 | |
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| 91 | G4int n = system->GetTotalNumberOfParticipant(); |
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| 92 | |
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| 93 | pp2.clear(); |
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| 94 | rr2.clear(); |
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| 95 | rbij.clear(); |
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| 96 | rha.clear(); |
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| 97 | rhe.clear(); |
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| 98 | rhc.clear(); |
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| 99 | |
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| 100 | rr2.resize( n ); |
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| 101 | pp2.resize( n ); |
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| 102 | rbij.resize( n ); |
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| 103 | rha.resize( n ); |
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| 104 | rhe.resize( n ); |
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| 105 | rhc.resize( n ); |
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| 106 | |
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| 107 | for ( int i = 0 ; i < n ; i++ ) |
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| 108 | { |
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| 109 | rr2[i].resize( n ); |
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| 110 | pp2[i].resize( n ); |
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| 111 | rbij[i].resize( n ); |
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| 112 | rha[i].resize( n ); |
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| 113 | rhe[i].resize( n ); |
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| 114 | rhc[i].resize( n ); |
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| 115 | } |
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| 116 | |
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| 117 | |
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| 118 | ffr.clear(); |
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| 119 | ffp.clear(); |
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| 120 | rh3d.clear(); |
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| 121 | |
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| 122 | ffr.resize( n ); |
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| 123 | ffp.resize( n ); |
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| 124 | rh3d.resize( n ); |
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| 125 | |
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| 126 | Cal2BodyQuantities(); |
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| 127 | |
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| 128 | } |
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| 129 | |
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| 130 | void G4QMDMeanField::SetNucleus ( G4QMDNucleus* aNucleus ) |
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| 131 | { |
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| 132 | |
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| 133 | //std::cout << "QMDMeanField SetNucleus" << std::endl; |
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| 134 | |
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| 135 | SetSystem( aNucleus ); |
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| 136 | |
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| 137 | G4double totalPotential = GetTotalPotential(); |
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| 138 | aNucleus->SetTotalPotential( totalPotential ); |
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| 139 | |
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| 140 | aNucleus->CalEnergyAndAngularMomentumInCM(); |
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| 141 | |
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| 142 | } |
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| 143 | |
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| 144 | |
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| 145 | |
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| 146 | void G4QMDMeanField::Cal2BodyQuantities() |
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| 147 | { |
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| 148 | |
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| 149 | if ( system->GetTotalNumberOfParticipant() < 2 ) return; |
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| 150 | |
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| 151 | for ( G4int j = 1 ; j < system->GetTotalNumberOfParticipant() ; j++ ) |
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| 152 | { |
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| 153 | |
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| 154 | G4ThreeVector rj = system->GetParticipant( j )->GetPosition(); |
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| 155 | G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum(); |
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| 156 | |
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| 157 | for ( G4int i = 0 ; i < j ; i++ ) |
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| 158 | { |
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| 159 | |
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| 160 | G4ThreeVector ri = system->GetParticipant( i )->GetPosition(); |
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| 161 | G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum(); |
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| 162 | |
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| 163 | G4ThreeVector rij = ri - rj; |
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| 164 | G4ThreeVector pij = (p4i - p4j).v(); |
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| 165 | G4LorentzVector p4ij = p4i - p4j; |
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| 166 | G4ThreeVector bij = ( p4i + p4j ).boostVector(); |
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| 167 | G4double gammaij = ( p4i + p4j ).gamma(); |
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| 168 | |
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| 169 | G4double eij = ( p4i + p4j ).e(); |
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| 170 | |
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| 171 | G4double rbrb = rij*bij; |
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| 172 | // G4double bij2 = bij*bij; |
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| 173 | G4double rij2 = rij*rij; |
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| 174 | G4double pij2 = pij*pij; |
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| 175 | |
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| 176 | rbrb = irelcr * rbrb; |
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| 177 | G4double gamma2_ij = gammaij*gammaij; |
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| 178 | |
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| 179 | |
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| 180 | rr2[i][j] = rij2 + gamma2_ij * rbrb*rbrb; |
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| 181 | rr2[j][i] = rr2[i][j]; |
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| 182 | |
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| 183 | rbij[i][j] = gamma2_ij * rbrb; |
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| 184 | rbij[j][i] = - rbij[i][j]; |
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| 185 | |
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| 186 | pp2[i][j] = pij2 |
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| 187 | + irelcr * ( - std::pow ( p4i.e() - p4j.e() , 2 ) |
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| 188 | + gamma2_ij * std::pow ( ( ( p4i.m2() - p4j.m2() ) / eij ) , 2 ) ); |
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| 189 | |
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| 190 | |
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| 191 | pp2[j][i] = pp2[i][j]; |
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| 192 | |
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| 193 | // Gauss term |
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| 194 | |
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| 195 | G4double expa1 = - rr2[i][j] * c0w; |
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| 196 | |
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| 197 | G4double rh1; |
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| 198 | if ( expa1 > epsx ) |
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| 199 | { |
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| 200 | rh1 = std::exp( expa1 ); |
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| 201 | } |
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| 202 | else |
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| 203 | { |
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| 204 | rh1 = 0.0; |
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| 205 | } |
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| 206 | |
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| 207 | G4int ibry = system->GetParticipant(i)->GetBaryonNumber(); |
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| 208 | G4int jbry = system->GetParticipant(j)->GetBaryonNumber(); |
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| 209 | |
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| 210 | |
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| 211 | rha[i][j] = ibry*jbry*rh1; |
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| 212 | rha[j][i] = rha[i][j]; |
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| 213 | |
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| 214 | // Coulomb terms |
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| 215 | |
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| 216 | G4double rrs2 = rr2[i][j] + epscl; |
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| 217 | G4double rrs = std::sqrt ( rrs2 ); |
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| 218 | |
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| 219 | G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus(); |
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| 220 | G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus(); |
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| 221 | |
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| 222 | G4double erf = 0.0; |
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| 223 | // T. K. add this protection. 5.8 is good enough for double |
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| 224 | if ( rrs*c0sw < 5.8 ) |
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| 225 | erf = CLHEP::HepStat::erf ( rrs*c0sw ); |
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| 226 | else |
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| 227 | erf = 1.0; |
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| 228 | |
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| 229 | G4double erfij = erf/rrs; |
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| 230 | |
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| 231 | |
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| 232 | rhe[i][j] = icharge*jcharge * erfij; |
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| 233 | |
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| 234 | rhe[j][i] = rhe[i][j]; |
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| 235 | |
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| 236 | rhc[i][j] = icharge*jcharge * ( - erfij + clw * rh1 ) / rrs2; |
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| 237 | |
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| 238 | rhc[j][i] = rhc[i][j]; |
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| 239 | |
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| 240 | } // i |
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| 241 | } // j |
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| 242 | } |
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| 243 | |
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| 244 | |
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| 245 | |
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| 246 | void G4QMDMeanField::Cal2BodyQuantities( G4int i ) |
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| 247 | { |
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| 248 | |
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| 249 | //std::cout << "Cal2BodyQuantities " << i << std::endl; |
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| 250 | |
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| 251 | G4ThreeVector ri = system->GetParticipant( i )->GetPosition(); |
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| 252 | G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum(); |
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| 253 | |
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| 254 | |
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| 255 | for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j ++ ) |
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| 256 | { |
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| 257 | if ( j == i ) continue; |
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| 258 | |
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| 259 | G4ThreeVector rj = system->GetParticipant( j )->GetPosition(); |
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| 260 | G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum(); |
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| 261 | |
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| 262 | G4ThreeVector rij = ri - rj; |
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| 263 | G4ThreeVector pij = (p4i - p4j).v(); |
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| 264 | G4LorentzVector p4ij = p4i - p4j; |
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| 265 | G4ThreeVector bij = ( p4i + p4j ).boostVector(); |
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| 266 | G4double gammaij = ( p4i + p4j ).gamma(); |
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| 267 | |
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| 268 | G4double eij = ( p4i + p4j ).e(); |
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| 269 | |
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| 270 | G4double rbrb = rij*bij; |
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| 271 | // G4double bij2 = bij*bij; |
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| 272 | G4double rij2 = rij*rij; |
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| 273 | G4double pij2 = pij*pij; |
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| 274 | |
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| 275 | rbrb = irelcr * rbrb; |
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| 276 | G4double gamma2_ij = gammaij*gammaij; |
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| 277 | |
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| 278 | /* |
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| 279 | G4double rbrb = 0.0; |
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| 280 | G4double beta2_ij = 0.0; |
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| 281 | G4double rij2 = 0.0; |
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| 282 | G4double pij2 = 0.0; |
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| 283 | |
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| 284 | // |
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| 285 | G4LorentzVector p4ip4j = p4i + p4j; |
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| 286 | G4double eij = p4ip4j.e(); |
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| 287 | |
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| 288 | G4ThreeVector r = ri - rj; |
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| 289 | G4LorentzVector p4 = p4i - p4j; |
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| 290 | |
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| 291 | rbrb = r.x()*p4ip4j.x()/eij |
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| 292 | + r.y()*p4ip4j.y()/eij |
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| 293 | + r.z()*p4ip4j.z()/eij; |
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| 294 | |
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| 295 | beta2_ij = ( p4ip4j.x()*p4ip4j.x() + p4ip4j.y()*p4ip4j.y() + p4ip4j.z()*p4ip4j.z() ) / ( eij*eij ); |
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| 296 | rij2 = r*r; |
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| 297 | pij2 = p4.v()*p4.v(); |
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| 298 | |
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| 299 | rbrb = irelcr * rbrb; |
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| 300 | |
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| 301 | G4double gamma2_ij = 1 / ( 1 - beta2_ij ); |
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| 302 | */ |
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| 303 | |
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| 304 | rr2[i][j] = rij2 + gamma2_ij * rbrb*rbrb; |
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| 305 | rr2[j][i] = rr2[i][j]; |
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| 306 | |
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| 307 | rbij[i][j] = gamma2_ij * rbrb; |
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| 308 | rbij[j][i] = - rbij[i][j]; |
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| 309 | |
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| 310 | pp2[i][j] = pij2 |
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| 311 | + irelcr * ( - std::pow ( p4i.e() - p4j.e() , 2 ) |
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| 312 | + gamma2_ij * std::pow ( ( ( p4i.m2() - p4j.m2() ) / eij ) , 2 ) ); |
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| 313 | |
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| 314 | pp2[j][i] = pp2[i][j]; |
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| 315 | |
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| 316 | // Gauss term |
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| 317 | |
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| 318 | G4double expa1 = - rr2[i][j] * c0w; |
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| 319 | |
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| 320 | G4double rh1; |
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| 321 | if ( expa1 > epsx ) |
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| 322 | { |
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| 323 | rh1 = std::exp( expa1 ); |
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| 324 | } |
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| 325 | else |
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| 326 | { |
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| 327 | rh1 = 0.0; |
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| 328 | } |
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| 329 | |
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| 330 | G4int ibry = system->GetParticipant(i)->GetBaryonNumber(); |
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| 331 | G4int jbry = system->GetParticipant(j)->GetBaryonNumber(); |
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| 332 | |
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| 333 | |
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| 334 | rha[i][j] = ibry*jbry*rh1; |
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| 335 | rha[j][i] = rha[i][j]; |
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| 336 | |
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| 337 | // Coulomb terms |
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| 338 | |
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| 339 | G4double rrs2 = rr2[i][j] + epscl; |
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| 340 | G4double rrs = std::sqrt ( rrs2 ); |
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| 341 | |
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| 342 | G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus(); |
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| 343 | G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus(); |
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| 344 | |
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| 345 | G4double erf = 0.0; |
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| 346 | // T. K. add this protection. 5.8 is good enough for double |
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| 347 | if ( rrs*c0sw < 5.8 ) |
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| 348 | erf = CLHEP::HepStat::erf ( rrs*c0sw ); |
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| 349 | else |
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| 350 | erf = 1.0; |
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| 351 | |
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| 352 | G4double erfij = erf/rrs; |
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| 353 | |
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| 354 | |
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| 355 | rhe[i][j] = icharge*jcharge * erfij; |
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| 356 | |
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| 357 | rhe[j][i] = rhe[i][j]; |
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| 358 | |
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| 359 | // G4double clw; |
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| 360 | |
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| 361 | rhc[i][j] = icharge*jcharge * ( - erfij + clw * rh1 ) / rrs2; |
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| 362 | |
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| 363 | rhc[j][i] = rhc[i][j]; |
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| 364 | |
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| 365 | } |
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| 366 | |
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| 367 | } |
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| 368 | |
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| 369 | |
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| 370 | |
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| 371 | void G4QMDMeanField::CalGraduate() |
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| 372 | { |
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| 373 | |
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| 374 | ffr.resize( system->GetTotalNumberOfParticipant() ); |
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| 375 | ffp.resize( system->GetTotalNumberOfParticipant() ); |
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| 376 | rh3d.resize( system->GetTotalNumberOfParticipant() ); |
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| 377 | |
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| 378 | for ( G4int i = 0 ; i < system->GetTotalNumberOfParticipant() ; i ++ ) |
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| 379 | { |
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| 380 | G4double rho3 = 0.0; |
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| 381 | for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j ++ ) |
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| 382 | { |
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| 383 | rho3 += rha[j][i]; |
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| 384 | } |
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| 385 | rh3d[i] = std::pow ( rho3 , pag ); |
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| 386 | } |
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| 387 | |
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| 388 | |
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| 389 | for ( G4int i = 0 ; i < system->GetTotalNumberOfParticipant() ; i ++ ) |
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| 390 | { |
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| 391 | |
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| 392 | G4ThreeVector ri = system->GetParticipant( i )->GetPosition(); |
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| 393 | G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum(); |
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| 394 | |
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| 395 | G4ThreeVector betai = p4i.v()/p4i.e(); |
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| 396 | |
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| 397 | ffr[i] = betai; |
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| 398 | ffp[i] = G4ThreeVector( 0.0 ); |
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| 399 | |
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| 400 | for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j ++ ) |
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| 401 | { |
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| 402 | |
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| 403 | G4ThreeVector rj = system->GetParticipant( j )->GetPosition(); |
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| 404 | G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum(); |
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| 405 | |
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| 406 | G4double eij = p4i.e() + p4j.e(); |
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| 407 | |
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| 408 | G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus(); |
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| 409 | G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus(); |
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| 410 | |
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| 411 | G4int inuc = system->GetParticipant(i)->GetNuc(); |
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| 412 | G4int jnuc = system->GetParticipant(j)->GetNuc(); |
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| 413 | |
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| 414 | G4double ccpp = c0g * rha[j][i] |
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| 415 | + c3g * rha[j][i] * ( rh3d[j] + rh3d[i] ) |
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| 416 | + csg * rha[j][i] * jnuc * inuc |
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| 417 | * ( 1. - 2. * std::abs( jcharge - icharge ) ) |
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| 418 | + cl * rhc[j][i]; |
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| 419 | |
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| 420 | /* |
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| 421 | std::cout << c0g << " " << c3g << " " << csg << " " << cl << std::endl; |
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| 422 | std::cout << "ccpp " << i << " " << j << " " << ccpp << std::endl; |
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| 423 | std::cout << "rha[j][i] " << rha[j][i] << std::endl; |
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| 424 | std::cout << "rh3d " << rh3d[j] << " " << rh3d[i] << std::endl; |
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| 425 | std::cout << "rhc[j][i] " << rhc[j][i] << std::endl; |
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| 426 | */ |
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| 427 | |
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| 428 | G4double grbb = - rbij[j][i]; |
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| 429 | G4double ccrr = grbb * ccpp / eij; |
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| 430 | |
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| 431 | /* |
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| 432 | std::cout << "ccrr " << ccrr << std::endl; |
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| 433 | std::cout << "grbb " << grbb << std::endl; |
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| 434 | */ |
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| 435 | |
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| 436 | |
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| 437 | G4ThreeVector rij = ri - rj; |
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| 438 | G4ThreeVector betaij = ( p4i + p4j ).v()/eij; |
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| 439 | |
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| 440 | G4ThreeVector cij = betaij - betai; |
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| 441 | |
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| 442 | ffr[i] = ffr[i] + 2*ccrr* ( rij + grbb*cij ); |
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| 443 | |
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| 444 | ffp[i] = ffp[i] - 2*ccpp* ( rij + grbb*betaij ); |
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| 445 | |
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| 446 | } |
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| 447 | } |
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| 448 | |
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| 449 | //std::cout << "gradu 0 " << ffr[0] << " " << ffp[0] << std::endl; |
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| 450 | //std::cout << "gradu 1 " << ffr[1] << " " << ffp[1] << std::endl; |
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| 451 | |
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| 452 | } |
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| 453 | |
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| 454 | |
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| 455 | |
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| 456 | G4double G4QMDMeanField::GetTotalPotential() |
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| 457 | { |
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| 458 | |
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| 459 | G4int n = system->GetTotalNumberOfParticipant(); |
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| 460 | |
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| 461 | std::vector < G4double > rhoa ( n , 0.0 ); |
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| 462 | std::vector < G4double > rho3 ( n , 0.0 ); |
---|
| 463 | std::vector < G4double > rhos ( n , 0.0 ); |
---|
| 464 | std::vector < G4double > rhoc ( n , 0.0 ); |
---|
| 465 | |
---|
| 466 | |
---|
| 467 | for ( G4int i = 0 ; i < n ; i ++ ) |
---|
| 468 | { |
---|
| 469 | G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus(); |
---|
| 470 | G4int inuc = system->GetParticipant(i)->GetNuc(); |
---|
| 471 | |
---|
| 472 | for ( G4int j = 0 ; j < n ; j ++ ) |
---|
| 473 | { |
---|
| 474 | G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus(); |
---|
| 475 | G4int jnuc = system->GetParticipant(j)->GetNuc(); |
---|
| 476 | |
---|
| 477 | rhoa[i] += rha[j][i]; |
---|
| 478 | rhoc[i] += rhe[j][i]; |
---|
| 479 | rhos[i] += rha[j][i] * jnuc * inuc |
---|
| 480 | * ( 1 - 2 * std::abs ( jcharge - icharge ) ); |
---|
| 481 | } |
---|
| 482 | |
---|
| 483 | rho3[i] = std::pow ( rhoa[i] , gamm ); |
---|
| 484 | } |
---|
| 485 | |
---|
| 486 | G4double potential = c0 * std::accumulate( rhoa.begin() , rhoa.end() , 0.0 ) |
---|
| 487 | + c3 * std::accumulate( rho3.begin() , rho3.end() , 0.0 ) |
---|
| 488 | + cs * std::accumulate( rhos.begin() , rhos.end() , 0.0 ) |
---|
| 489 | + cl * std::accumulate( rhoc.begin() , rhoc.end() , 0.0 ); |
---|
| 490 | |
---|
| 491 | return potential; |
---|
| 492 | |
---|
| 493 | } |
---|
| 494 | |
---|
| 495 | |
---|
| 496 | |
---|
| 497 | G4double G4QMDMeanField::calPauliBlockingFactor( G4int i ) |
---|
| 498 | { |
---|
| 499 | |
---|
| 500 | G4double pf = 0.0; |
---|
| 501 | // i is supposed beyond total number of Participant() |
---|
| 502 | G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus(); |
---|
| 503 | |
---|
| 504 | for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j++ ) |
---|
| 505 | { |
---|
| 506 | |
---|
| 507 | G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus(); |
---|
| 508 | G4int jnuc = system->GetParticipant(j)->GetNuc(); |
---|
| 509 | |
---|
| 510 | if ( jcharge == icharge && jnuc == 1 ) |
---|
| 511 | { |
---|
| 512 | |
---|
| 513 | /* |
---|
| 514 | std::cout << "Pauli i j " << i << " " << j << std::endl; |
---|
| 515 | std::cout << "Pauli icharge " << icharge << std::endl; |
---|
| 516 | std::cout << "Pauli jcharge " << jcharge << std::endl; |
---|
| 517 | */ |
---|
| 518 | G4double expa = -rr2[i][j]*cpw; |
---|
| 519 | |
---|
| 520 | |
---|
| 521 | if ( expa > epsx ) |
---|
| 522 | { |
---|
| 523 | expa = expa - pp2[i][j]*cph; |
---|
| 524 | /* |
---|
| 525 | std::cout << "Pauli cph " << cph << std::endl; |
---|
| 526 | std::cout << "Pauli pp2 " << pp2[i][j] << std::endl; |
---|
| 527 | std::cout << "Pauli expa " << expa << std::endl; |
---|
| 528 | std::cout << "Pauli epsx " << epsx << std::endl; |
---|
| 529 | */ |
---|
| 530 | if ( expa > epsx ) |
---|
| 531 | { |
---|
| 532 | // std::cout << "Pauli phase " << pf << std::endl; |
---|
| 533 | pf = pf + std::exp ( expa ); |
---|
| 534 | } |
---|
| 535 | } |
---|
| 536 | } |
---|
| 537 | |
---|
| 538 | } |
---|
| 539 | |
---|
| 540 | |
---|
| 541 | pf = ( pf - 1.0 ) * cpc; |
---|
| 542 | |
---|
| 543 | //std::cout << "Pauli pf " << pf << std::endl; |
---|
| 544 | |
---|
| 545 | return pf; |
---|
| 546 | |
---|
| 547 | } |
---|
| 548 | |
---|
| 549 | |
---|
| 550 | |
---|
| 551 | G4bool G4QMDMeanField::IsPauliBlocked( G4int i ) |
---|
| 552 | { |
---|
| 553 | G4bool result = false; |
---|
| 554 | |
---|
| 555 | if ( system->GetParticipant( i )->GetNuc() == 1 ) |
---|
| 556 | { |
---|
| 557 | G4double pf = calPauliBlockingFactor( i ); |
---|
| 558 | G4double rand = G4UniformRand(); |
---|
| 559 | if ( pf > rand ) result = true; |
---|
| 560 | } |
---|
| 561 | |
---|
| 562 | return result; |
---|
| 563 | } |
---|
| 564 | |
---|
| 565 | |
---|
| 566 | |
---|
| 567 | void G4QMDMeanField::DoPropagation( G4double dt ) |
---|
| 568 | { |
---|
| 569 | |
---|
| 570 | G4double c2 = 1.0; |
---|
| 571 | G4double c1 = 1.0 - c2; |
---|
| 572 | G4double c3 = 1.0 / 2.0 / c2; |
---|
| 573 | |
---|
| 574 | G4double dt3 = dt * c3; |
---|
| 575 | G4double dt1 = dt * ( c1 - c3 ); |
---|
| 576 | G4double dt2 = dt * c2; |
---|
| 577 | |
---|
| 578 | CalGraduate(); |
---|
| 579 | |
---|
| 580 | G4int n = system->GetTotalNumberOfParticipant(); |
---|
| 581 | |
---|
| 582 | // 1st Step |
---|
| 583 | |
---|
| 584 | std::vector< G4ThreeVector > f0r, f0p; |
---|
| 585 | f0r.resize( n ); |
---|
| 586 | f0p.resize( n ); |
---|
| 587 | |
---|
| 588 | for ( G4int i = 0 ; i < n ; i++ ) |
---|
| 589 | { |
---|
| 590 | G4ThreeVector ri = system->GetParticipant( i )->GetPosition(); |
---|
| 591 | G4ThreeVector p3i = system->GetParticipant( i )->GetMomentum(); |
---|
| 592 | |
---|
| 593 | ri += dt3* ffr[i]; |
---|
| 594 | p3i += dt3* ffp[i]; |
---|
| 595 | |
---|
| 596 | f0r[i] = ffr[i]; |
---|
| 597 | f0p[i] = ffp[i]; |
---|
| 598 | |
---|
| 599 | system->GetParticipant( i )->SetPosition( ri ); |
---|
| 600 | system->GetParticipant( i )->SetMomentum( p3i ); |
---|
| 601 | |
---|
| 602 | // we do not need set total momentum by ourselvs |
---|
| 603 | } |
---|
| 604 | |
---|
| 605 | // 2nd Step |
---|
| 606 | Cal2BodyQuantities(); |
---|
| 607 | CalGraduate(); |
---|
| 608 | |
---|
| 609 | for ( G4int i = 0 ; i < n ; i++ ) |
---|
| 610 | { |
---|
| 611 | G4ThreeVector ri = system->GetParticipant( i )->GetPosition(); |
---|
| 612 | G4ThreeVector p3i = system->GetParticipant( i )->GetMomentum(); |
---|
| 613 | |
---|
| 614 | ri += dt1* f0r[i] + dt2* ffr[i]; |
---|
| 615 | p3i += dt1* f0p[i] + dt2* ffp[i]; |
---|
| 616 | |
---|
| 617 | system->GetParticipant( i )->SetPosition( ri ); |
---|
| 618 | system->GetParticipant( i )->SetMomentum( p3i ); |
---|
| 619 | |
---|
| 620 | // we do not need set total momentum by ourselvs |
---|
| 621 | } |
---|
| 622 | |
---|
| 623 | Cal2BodyQuantities(); |
---|
| 624 | |
---|
| 625 | |
---|
| 626 | } |
---|
| 627 | |
---|
| 628 | |
---|
| 629 | |
---|
| 630 | std::vector< G4QMDNucleus* > G4QMDMeanField::DoClusterJudgment() |
---|
| 631 | { |
---|
| 632 | |
---|
| 633 | //std::cout << "MeanField DoClusterJudgemnt" << std::endl; |
---|
| 634 | |
---|
| 635 | Cal2BodyQuantities(); |
---|
| 636 | |
---|
| 637 | G4double cpf2 = std::pow ( 1.5 * pi*pi * std::pow ( 4.0 * pi * wl , -1.5 ) |
---|
| 638 | , |
---|
| 639 | 2./3. ) |
---|
| 640 | * hbc * hbc; |
---|
| 641 | G4double rcc2 = rclds*rclds; |
---|
| 642 | |
---|
| 643 | G4int n = system->GetTotalNumberOfParticipant(); |
---|
| 644 | std::vector < G4double > rhoa; |
---|
| 645 | rhoa.resize ( n ); |
---|
| 646 | |
---|
| 647 | for ( G4int i = 0 ; i < n ; i++ ) |
---|
| 648 | { |
---|
| 649 | rhoa[i] = 0.0; |
---|
| 650 | |
---|
| 651 | if ( system->GetParticipant( i )->GetBaryonNumber() == 1 ) |
---|
| 652 | { |
---|
| 653 | for ( G4int j = 0 ; j < n ; j++ ) |
---|
| 654 | { |
---|
| 655 | if ( system->GetParticipant( j )->GetBaryonNumber() == 1 ) |
---|
| 656 | rhoa[i] += rha[i][j]; |
---|
| 657 | } |
---|
| 658 | } |
---|
| 659 | |
---|
| 660 | rhoa[i] = std::pow ( rhoa[i] + 1 , 1.0/3.0 ); |
---|
| 661 | |
---|
| 662 | } |
---|
| 663 | |
---|
| 664 | // identification of the cluster |
---|
| 665 | |
---|
| 666 | std::map < G4int , std::vector < G4int > > cluster_map; |
---|
| 667 | std::vector < G4bool > is_already_belong_some_cluster; |
---|
| 668 | |
---|
| 669 | // cluster_id participant_id |
---|
| 670 | std::multimap < G4int , G4int > comb_map; |
---|
| 671 | std::multimap < G4int , G4int > assign_map; |
---|
| 672 | assign_map.clear(); |
---|
| 673 | |
---|
| 674 | std::vector < G4int > mascl; |
---|
| 675 | std::vector < G4int > num; |
---|
| 676 | mascl.resize ( n ); |
---|
| 677 | num.resize ( n ); |
---|
| 678 | is_already_belong_some_cluster.resize ( n ); |
---|
| 679 | |
---|
| 680 | std::vector < G4int > is_assigned_to ( n , -1 ); |
---|
| 681 | std::multimap < G4int , G4int > clusters; |
---|
| 682 | |
---|
| 683 | for ( G4int i = 0 ; i < n ; i++ ) |
---|
| 684 | { |
---|
| 685 | mascl[i] = 1; |
---|
| 686 | num[i] = 1; |
---|
| 687 | |
---|
| 688 | is_already_belong_some_cluster[i] = false; |
---|
| 689 | } |
---|
| 690 | |
---|
| 691 | |
---|
| 692 | G4int nclst = 1; |
---|
| 693 | G4int ichek = 1; |
---|
| 694 | |
---|
| 695 | |
---|
| 696 | G4int id = 0; |
---|
| 697 | G4int cluster_id = -1; |
---|
| 698 | for ( G4int i = 0 ; i < n-1 ; i++ ) |
---|
| 699 | { |
---|
| 700 | |
---|
| 701 | G4bool hasThisCompany = false; |
---|
| 702 | // Check only for bryons? |
---|
| 703 | // std::cout << "Check Baryon " << i << std::endl; |
---|
| 704 | |
---|
| 705 | if ( system->GetParticipant( i )->GetBaryonNumber() == 1 ) |
---|
| 706 | { |
---|
| 707 | |
---|
| 708 | // if ( is_already_belong_some_cluster[i] != true ) |
---|
| 709 | // { |
---|
| 710 | //G4int j1 = ichek + 1; |
---|
| 711 | G4int j1 = i + 1; |
---|
| 712 | for ( G4int j = j1 ; j < n ; j++ ) |
---|
| 713 | { |
---|
| 714 | |
---|
| 715 | std::vector < G4int > cluster_participants; |
---|
| 716 | if ( system->GetParticipant( j )->GetBaryonNumber() == 1 ) |
---|
| 717 | { |
---|
| 718 | G4double rdist2 = rr2[ i ][ j ]; |
---|
| 719 | G4double pdist2 = pp2[ i ][ j ]; |
---|
| 720 | //G4double rdist2 = rr2[ num[i] ][ num[j] ]; |
---|
| 721 | //G4double pdist2 = pp2[ num[i] ][ num[j] ]; |
---|
| 722 | G4double pcc2 = cpf2 |
---|
| 723 | * ( rhoa[ i ] + rhoa[ j ] ) |
---|
| 724 | * ( rhoa[ i ] + rhoa[ j ] ); |
---|
| 725 | |
---|
| 726 | // Check phase space: close enough? |
---|
| 727 | if ( rdist2 < rcc2 && pdist2 < pcc2 ) |
---|
| 728 | { |
---|
| 729 | |
---|
| 730 | /* |
---|
| 731 | std::cout << "G4QMDRESULT " |
---|
| 732 | << i << " " << j << " " << id << " " |
---|
| 733 | << is_assigned_to [ i ] << " " << is_assigned_to [ j ] |
---|
| 734 | << std::endl; |
---|
| 735 | */ |
---|
| 736 | |
---|
| 737 | if ( is_assigned_to [ j ] == -1 ) |
---|
| 738 | { |
---|
| 739 | if ( is_assigned_to [ i ] == -1 ) |
---|
| 740 | { |
---|
| 741 | if ( clusters.size() != 0 ) |
---|
| 742 | { |
---|
| 743 | id = clusters.rbegin()->first + 1; |
---|
| 744 | //std::cout << "id is increare " << id << std::endl; |
---|
| 745 | } |
---|
| 746 | else |
---|
| 747 | { |
---|
| 748 | id = 0; |
---|
| 749 | } |
---|
| 750 | clusters.insert ( std::multimap<G4int,G4int>::value_type ( id , i ) ); |
---|
| 751 | is_assigned_to [ i ] = id; |
---|
| 752 | clusters.insert ( std::multimap<G4int,G4int>::value_type ( id , j ) ); |
---|
| 753 | is_assigned_to [ j ] = id; |
---|
| 754 | } |
---|
| 755 | else |
---|
| 756 | { |
---|
| 757 | clusters.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ i ] , j ) ); |
---|
| 758 | is_assigned_to [ j ] = is_assigned_to [ i ]; |
---|
| 759 | } |
---|
| 760 | } |
---|
| 761 | else |
---|
| 762 | { |
---|
| 763 | // j is already belong to some cluester |
---|
| 764 | if ( is_assigned_to [ i ] == -1 ) |
---|
| 765 | { |
---|
| 766 | clusters.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ j ] , i ) ); |
---|
| 767 | is_assigned_to [ i ] = is_assigned_to [ j ]; |
---|
| 768 | } |
---|
| 769 | else |
---|
| 770 | { |
---|
| 771 | // i has companion |
---|
| 772 | if ( is_assigned_to [ i ] != is_assigned_to [ j ] ) |
---|
| 773 | { |
---|
| 774 | // move companions to the cluster |
---|
| 775 | // |
---|
| 776 | //std::cout << "combine " << is_assigned_to [ i ] << " to " << is_assigned_to [ j ] << std::endl; |
---|
| 777 | std::multimap< G4int , G4int > clusters_tmp; |
---|
| 778 | G4int target_cluster_id; |
---|
| 779 | if ( is_assigned_to [ i ] > is_assigned_to [ j ] ) |
---|
| 780 | target_cluster_id = is_assigned_to [ i ]; |
---|
| 781 | else |
---|
| 782 | target_cluster_id = is_assigned_to [ j ]; |
---|
| 783 | |
---|
| 784 | for ( std::multimap< G4int , G4int >::iterator it |
---|
| 785 | = clusters.begin() ; it != clusters.end() ; it++ ) |
---|
| 786 | { |
---|
| 787 | |
---|
| 788 | //std::cout << it->first << " " << it->second << " " << target_cluster_id << std::endl; |
---|
| 789 | if ( it->first == target_cluster_id ) |
---|
| 790 | { |
---|
| 791 | //std::cout << "move " << it->first << " " << it->second << std::endl; |
---|
| 792 | is_assigned_to [ it->second ] = is_assigned_to [ j ]; |
---|
| 793 | clusters_tmp.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ j ] , it->second ) ); |
---|
| 794 | } |
---|
| 795 | else |
---|
| 796 | { |
---|
| 797 | clusters_tmp.insert ( std::multimap<G4int,G4int>::value_type ( it->first , it->second ) ); |
---|
| 798 | } |
---|
| 799 | } |
---|
| 800 | |
---|
| 801 | clusters = clusters_tmp; |
---|
| 802 | //id = clusters.rbegin()->first; |
---|
| 803 | //id = target_cluster_id; |
---|
| 804 | //std::cout << "id " << id << std::endl; |
---|
| 805 | } |
---|
| 806 | } |
---|
| 807 | } |
---|
| 808 | |
---|
| 809 | //std::cout << "combination " << i << " " << j << std::endl; |
---|
| 810 | comb_map.insert( std::multimap<G4int,G4int>::value_type ( i , j ) ); |
---|
| 811 | cluster_participants.push_back ( j ); |
---|
| 812 | |
---|
| 813 | |
---|
| 814 | |
---|
| 815 | if ( assign_map.find( cluster_id ) == assign_map.end() ) |
---|
| 816 | { |
---|
| 817 | is_already_belong_some_cluster[i] = true; |
---|
| 818 | assign_map.insert ( std::multimap<G4int,G4int>::value_type ( cluster_id , i ) ); |
---|
| 819 | hasThisCompany = true; |
---|
| 820 | } |
---|
| 821 | assign_map.insert ( std::multimap<G4int,G4int>::value_type ( cluster_id , j ) ); |
---|
| 822 | is_already_belong_some_cluster[j] = true; |
---|
| 823 | |
---|
| 824 | } |
---|
| 825 | |
---|
| 826 | if ( ichek == i ) |
---|
| 827 | { |
---|
| 828 | nclst++; |
---|
| 829 | ichek++; |
---|
| 830 | } |
---|
| 831 | } |
---|
| 832 | |
---|
| 833 | if ( cluster_participants.size() > 0 ) |
---|
| 834 | { |
---|
| 835 | // cluster , participant |
---|
| 836 | cluster_map.insert ( std::pair < G4int , std::vector < G4int > > ( i , cluster_participants ) ); |
---|
| 837 | } |
---|
| 838 | } |
---|
| 839 | // } |
---|
| 840 | } |
---|
| 841 | if ( hasThisCompany == true ) cluster_id++; |
---|
| 842 | } |
---|
| 843 | |
---|
| 844 | //std::cout << " id " << id << std::endl; |
---|
| 845 | |
---|
| 846 | // sort |
---|
| 847 | // Heavy cluster comes first |
---|
| 848 | // size cluster_id |
---|
| 849 | std::multimap< G4int , G4int > sorted_cluster_map; |
---|
| 850 | for ( G4int i = 0 ; i <= id ; i++ ) // << "<=" because id is highest cluster nubmer. |
---|
| 851 | { |
---|
| 852 | |
---|
| 853 | //std::cout << i << " cluster has " << clusters.count( i ) << " nucleons." << std::endl; |
---|
| 854 | sorted_cluster_map.insert ( std::multimap<G4int,G4int>::value_type ( clusters.count( i ) , i ) ); |
---|
| 855 | |
---|
| 856 | } |
---|
| 857 | |
---|
| 858 | |
---|
| 859 | // create nucleus from devided clusters |
---|
| 860 | std::vector < G4QMDNucleus* > result; |
---|
| 861 | for ( std::multimap < G4int , G4int >::reverse_iterator it |
---|
| 862 | = sorted_cluster_map.rbegin() ; it != sorted_cluster_map.rend() ; it ++) |
---|
| 863 | { |
---|
| 864 | |
---|
[962] | 865 | //G4cout << "Add Participants to cluseter " << it->second << G4endl; |
---|
[819] | 866 | |
---|
| 867 | if ( it->first != 0 ) |
---|
| 868 | { |
---|
| 869 | G4QMDNucleus* nucleus = new G4QMDNucleus(); |
---|
| 870 | for ( std::multimap < G4int , G4int >::iterator itt |
---|
| 871 | = clusters.begin() ; itt != clusters.end() ; itt ++) |
---|
| 872 | { |
---|
| 873 | |
---|
| 874 | if ( it->second == itt->first ) |
---|
| 875 | { |
---|
| 876 | nucleus->SetParticipant( system->GetParticipant ( itt->second ) ); |
---|
[962] | 877 | //G4cout << "Add Participants " << itt->second << " " << system->GetParticipant ( itt->second )->GetPosition() << G4endl; |
---|
[819] | 878 | } |
---|
| 879 | |
---|
| 880 | } |
---|
| 881 | result.push_back( nucleus ); |
---|
| 882 | } |
---|
| 883 | |
---|
| 884 | } |
---|
| 885 | |
---|
| 886 | // delete participants from current system |
---|
| 887 | |
---|
| 888 | for ( std::vector < G4QMDNucleus* > ::iterator it |
---|
| 889 | = result.begin() ; it != result.end() ; it++ ) |
---|
| 890 | { |
---|
| 891 | system->SubtractSystem ( *it ); |
---|
| 892 | } |
---|
| 893 | |
---|
| 894 | return result; |
---|
| 895 | |
---|
| 896 | } |
---|
[962] | 897 | |
---|
| 898 | |
---|
| 899 | |
---|
| 900 | void G4QMDMeanField::Update() |
---|
| 901 | { |
---|
| 902 | SetSystem( system ); |
---|
| 903 | } |
---|