| 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 | // $Id: G4PDGCodeChecker.cc,v 1.11 2008/06/08 12:43:19 kurasige Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $
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| 29 | //
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| 30 | //
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| 31 | // ----------------------------------------------------------------------
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| 32 | // GEANT 4 class implementation file
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| 33 | //
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| 34 | // History: first implementation, based on object model of
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| 35 | // 17 Aug 1999 H.Kurashige
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| 36 | // **********************************************************************
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| 37 |
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| 38 | #include <fstream>
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| 39 | #include <iomanip>
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| 40 |
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| 41 | #include "G4PDGCodeChecker.hh"
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| 42 |
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| 43 | /////////////
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| 44 | G4PDGCodeChecker::G4PDGCodeChecker()
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| 45 | {
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| 46 | code = 0;
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| 47 | verboseLevel = 1;
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| 48 | }
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| 49 |
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| 50 | /////////////
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| 51 | G4int G4PDGCodeChecker::CheckPDGCode( G4int PDGcode,
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| 52 | G4String particleType)
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| 53 | {
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| 54 | code = PDGcode;
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| 55 | theParticleType = particleType;
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| 56 |
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| 57 | // clear QuarkContents
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| 58 | G4int flavor;
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| 59 | for (flavor=0; flavor<NumberOfQuarkFlavor; flavor++){
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| 60 | theQuarkContent[flavor] =0;
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| 61 | theAntiQuarkContent[flavor] =0;
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| 62 | }
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| 63 |
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| 64 | // check code for nuclei
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| 65 | if (theParticleType == "nucleus"){
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| 66 | return CheckForNuclei();
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| 67 | }
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| 68 |
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| 69 | // get each digit number
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| 70 | GetDigits(code);
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| 71 |
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| 72 | // check code
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| 73 | if (theParticleType =="quarks") {
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| 74 | return CheckForQuarks();
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| 75 |
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| 76 | } else if (theParticleType =="diquarks") {
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| 77 | return CheckForDiQuarks();
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| 78 |
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| 79 | } else if (theParticleType =="gluons") {
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| 80 | // gluons
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| 81 | // do not care about
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| 82 | return code;
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| 83 |
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| 84 | } else if (theParticleType == "meson") {
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| 85 | return CheckForMesons();
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| 86 |
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| 87 | } else if (theParticleType == "baryon"){
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| 88 | return CheckForBaryons();
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| 89 |
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| 90 |
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| 91 | }
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| 92 | // No check
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| 93 | return code;
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| 94 | }
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| 95 |
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| 96 | /////////////
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| 97 | G4int G4PDGCodeChecker::CheckForBaryons()
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| 98 | {
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| 99 | G4int tempPDGcode = code;
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| 100 |
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| 101 | if ((quark1==0)||(quark2==0)||(quark3==0)){
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| 102 | #ifdef G4VERBOSE
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| 103 | if (verboseLevel>0) {
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| 104 | G4cout << " G4PDGCodeChecker::CheckPDGCode : ";
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| 105 | G4cout << " meson has three quark ";
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| 106 | G4cout << " PDG code=" << code <<G4endl;
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| 107 | }
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| 108 | #endif
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| 109 | return 0;
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| 110 | }
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| 111 |
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| 112 | //exceptions
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| 113 | if (std::abs(tempPDGcode)%10000 == 3122) {
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| 114 | // Lambda
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| 115 | quark2=2; quark3 = 1; spin = 1;
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| 116 | } else if (std::abs(tempPDGcode)%10000 == 3124) {
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| 117 | // Lambda*
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| 118 | quark2=2; quark3 = 1; spin = 3;
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| 119 | } else if (std::abs(tempPDGcode)%10000 == 3126) {
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| 120 | // Lambda*
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| 121 | quark2=2; quark3 = 1; spin = 5;
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| 122 | } else if (std::abs(tempPDGcode)%10000 == 3128) {
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| 123 | // Lambda*
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| 124 | quark2=2; quark3 = 1; spin = 7;
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| 125 | } else if (std::abs(tempPDGcode)%10000 == 4122) {
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| 126 | // Lambda_c
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| 127 | quark2=2; quark3 = 1; spin = 1;
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| 128 | } else if (std::abs(tempPDGcode)%10000 == 4132) {
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| 129 | // Xi_c0
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| 130 | quark2=3; quark3 = 1; spin = 1;
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| 131 | } else if (std::abs(tempPDGcode)%10000 == 4232) {
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| 132 | // Xi_c+
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| 133 | quark2=3; quark3 = 2; spin = 1;
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| 134 | } else if (std::abs(tempPDGcode)%10000 == 2122) {
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| 135 | // Delta+ (spin 1/2)
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| 136 | quark2=2; quark3 = 1; spin = 1;
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| 137 | } else if (std::abs(tempPDGcode)%10000 == 1212) {
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| 138 | // Delta0 (spin 1/2)
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| 139 | quark1=2; quark2 = 1; spin = 1;
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| 140 | } else if (std::abs(tempPDGcode)%10000 == 2126) {
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| 141 | // Delta+ (spin 5/2)
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| 142 | quark2=2; quark3 = 1; spin = 5;
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| 143 | } else if (std::abs(tempPDGcode)%10000 == 1216) {
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| 144 | // Delta0 (spin 5/2)
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| 145 | quark1=2; quark2 = 1; spin = 5;
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| 146 | } else if (std::abs(tempPDGcode)%10000 == 2128) {
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| 147 | // Delta+ (spin 7/2)
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| 148 | quark2=2; quark3 = 1; spin = 7;
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| 149 | } else if (std::abs(tempPDGcode)%10000 == 1218) {
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| 150 | // Delta0 (spin 7/2)
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| 151 | quark1=2; quark2 = 1; spin = 7;
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| 152 | } else if (std::abs(tempPDGcode)%10000 == 2124) {
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| 153 | // N*+ (spin 3/2)
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| 154 | quark2=2; quark3 = 1; spin = 3;
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| 155 | } else if (std::abs(tempPDGcode)%10000 == 1214) {
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| 156 | // N*0 (spin 3/2)
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| 157 | quark1=2; quark2 = 1; spin = 3;
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| 158 | }
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| 159 |
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| 160 | // check quark flavor
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| 161 | if ((quark1<quark2)||(quark2<quark3)||(quark1<quark3)) {
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| 162 | #ifdef G4VERBOSE
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| 163 | if (verboseLevel>0) {
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| 164 | G4cout << " G4PDGCodeChecker::CheckPDGCode : ";
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| 165 | G4cout << " illegal code for baryon ";
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| 166 | G4cout << " PDG code=" << code <<G4endl;
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| 167 | }
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| 168 | #endif
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| 169 | return 0;
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| 170 | }
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| 171 | if (quark1> NumberOfQuarkFlavor) {
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| 172 | #ifdef G4VERBOSE
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| 173 | if (verboseLevel>0) {
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| 174 | G4cout << " G4PDGCodeChecker::CheckPDGCode : ";
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| 175 | G4cout << " ??? unknown quark ";
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| 176 | G4cout << " PDG code=" << code <<G4endl;
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| 177 | }
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| 178 | #endif
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| 179 | return 0;
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| 180 | }
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| 181 |
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| 182 |
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| 183 | // Fill Quark contents
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| 184 | if (tempPDGcode >0) {
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| 185 | theQuarkContent[quark1-1] ++;
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| 186 | theQuarkContent[quark2-1] ++;
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| 187 | theQuarkContent[quark3-1] ++;
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| 188 | } else {
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| 189 | theAntiQuarkContent[quark1-1] ++;
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| 190 | theAntiQuarkContent[quark2-1] ++;
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| 191 | theAntiQuarkContent[quark3-1] ++;
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| 192 | }
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| 193 |
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| 194 | return code;
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| 195 | }
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| 196 |
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| 197 | /////////////
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| 198 | G4int G4PDGCodeChecker::CheckForMesons()
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| 199 | {
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| 200 | G4int tempPDGcode = code;
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| 201 |
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| 202 | // -- exceptions --
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| 203 | if (tempPDGcode == 310) spin = 0; //K0s
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| 204 | if (tempPDGcode == 130) { //K0l
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| 205 | spin = 0;
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| 206 | quark2 = 3;
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| 207 | quark3 = 1;
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| 208 | }
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| 209 |
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| 210 | //
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| 211 | if ((quark1 !=0)||(quark2==0)||(quark3==0)){
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| 212 | #ifdef G4VERBOSE
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| 213 | if (verboseLevel>0) {
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| 214 | G4cout << " G4PDGCodeChecker::CheckPDGCode : ";
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| 215 | G4cout << " meson has only quark and anti-quark pair";
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| 216 | G4cout << " PDG code=" << code <<G4endl;
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| 217 | }
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| 218 | #endif
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| 219 | return 0;
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| 220 | }
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| 221 | if (quark2<quark3) {
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| 222 | #ifdef G4VERBOSE
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| 223 | if (verboseLevel>0) {
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| 224 | G4cout << " G4PDGCodeChecker::CheckPDGCode : ";
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| 225 | G4cout << " illegal code for meson ";
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| 226 | G4cout << " PDG code=" << code <<G4endl;
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| 227 | }
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| 228 | #endif
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| 229 | return 0;
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| 230 | }
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| 231 |
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| 232 | // check quark flavor
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| 233 | if (quark2> NumberOfQuarkFlavor){
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| 234 | #ifdef G4VERBOSE
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| 235 | if (verboseLevel>0) {
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| 236 | G4cout << " G4PDGCodeChecker::CheckPDGCode : ";
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| 237 | G4cout << " ??? unknown quark ";
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| 238 | G4cout << " PDG code=" << code <<G4endl;
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| 239 | }
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| 240 | #endif
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| 241 | return 0;
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| 242 | }
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| 243 |
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| 244 |
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| 245 | // check heavier quark type
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| 246 | if (quark2 & 1) {
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| 247 | // down type qurak
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| 248 | if (tempPDGcode >0) {
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| 249 | theQuarkContent[quark3-1] =1;
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| 250 | theAntiQuarkContent[quark2-1] =1;
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| 251 | } else {
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| 252 | theQuarkContent[quark2-1] =1;
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| 253 | theAntiQuarkContent[quark3-1] =1;
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| 254 | }
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| 255 | } else {
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| 256 | // up type quark
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| 257 | if (tempPDGcode >0) {
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| 258 | theQuarkContent[quark2-1] =1;
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| 259 | theAntiQuarkContent[quark3-1] =1;
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| 260 | } else {
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| 261 | theQuarkContent[quark3-1] =1;
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| 262 | theAntiQuarkContent[quark2-1] =1;
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| 263 | }
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| 264 | }
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| 265 | return code;
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| 266 | }
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| 267 |
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| 268 |
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| 269 |
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| 270 | /////////////
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| 271 | G4int G4PDGCodeChecker::CheckForDiQuarks()
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| 272 | {
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| 273 | if ((quark1 ==0) || (quark2 ==0) || (quark3 !=0)) {
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| 274 | // quark3 should be 0
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| 275 | // --- code is wrong
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| 276 | return 0;
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| 277 |
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| 278 | } else if (quark1 < quark2) {
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| 279 | // --- code is wrong
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| 280 | return 0;
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| 281 |
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| 282 | } else if (quark2>NumberOfQuarkFlavor){
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| 283 | #ifdef G4VERBOSE
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| 284 | if (verboseLevel>0) {
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| 285 | G4cout << " G4PDGCodeChecker::CheckPDGCode : ";
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| 286 | G4cout << " ??? unknown quark ";
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| 287 | G4cout << " PDG code=" << code <<G4endl;
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| 288 | }
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| 289 | #endif
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| 290 | return 0;
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| 291 |
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| 292 | }
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| 293 |
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| 294 | // Fill Quark Contents
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| 295 | if (code>0){
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| 296 | theQuarkContent[quark1-1] +=1;
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| 297 | theQuarkContent[quark2-1] +=1;
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| 298 | } else {
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| 299 | theAntiQuarkContent[quark1-1] +=1;
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| 300 | theAntiQuarkContent[quark2-1] +=1;
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| 301 | }
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| 302 |
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| 303 | return code;
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| 304 | }
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| 305 |
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| 306 | /////////////
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| 307 | G4int G4PDGCodeChecker::CheckForQuarks()
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| 308 | {
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| 309 | if ( std::abs(quark1)>NumberOfQuarkFlavor ) {
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| 310 | #ifdef G4VERBOSE
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| 311 | if (verboseLevel>0) {
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| 312 | G4cout << " G4PDGCodeChecker::CheckPDGCode : ";
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| 313 | G4cout << " ??? unknown quark ";
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| 314 | G4cout << " PDG code=" << code <<G4endl;
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| 315 | }
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| 316 | #endif
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| 317 | // --- code is wrong
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| 318 | return 0;
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| 319 |
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| 320 | }
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| 321 |
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| 322 | quark1 = std::abs(code);
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| 323 |
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| 324 | // Fill Quark Contents
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| 325 | if (code>0){
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| 326 | theQuarkContent[quark1-1] =1;
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| 327 | } else {
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| 328 | theAntiQuarkContent[quark1-1] =1;
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| 329 | }
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| 330 | return code;
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| 331 | }
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| 332 |
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| 333 | /////////////
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| 334 | G4bool G4PDGCodeChecker::CheckCharge(G4double thePDGCharge) const
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| 335 | {
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| 336 | // check charge
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| 337 | G4double totalCharge = 0.0;
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| 338 | for (G4int flavor= 0; flavor<NumberOfQuarkFlavor-1; flavor+=2){
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| 339 | totalCharge += (-1./3.)*eplus*theQuarkContent[flavor];
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| 340 | totalCharge += 1./3.*eplus*theAntiQuarkContent[flavor];
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| 341 | totalCharge += 2./3.*eplus*theQuarkContent[flavor+1];
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| 342 | totalCharge += (-2./3.)*eplus*theAntiQuarkContent[flavor+1];
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| 343 | }
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| 344 |
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| 345 | if (std::abs(totalCharge-thePDGCharge)>0.1*eplus) {
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| 346 | #ifdef G4VERBOSE
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| 347 | if (verboseLevel>0) {
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| 348 | G4cout << " G4PDGCodeChecker::CheckCharge : ";
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| 349 | G4cout << " illegal electric charge " << thePDGCharge/eplus;
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| 350 | G4cout << " PDG code=" << code <<G4endl;
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| 351 | }
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| 352 | #endif
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| 353 | return false;
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| 354 | }
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| 355 | return true;
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| 356 | }
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| 357 |
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| 358 | /////////////
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| 359 | G4int G4PDGCodeChecker::CheckForNuclei()
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| 360 | {
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| 361 | G4int pcode = code;
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| 362 | if (pcode < 1000000000) {
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| 363 | // anti particle
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| 364 | return 0;
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| 365 | }
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| 366 |
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| 367 | pcode -= 1000000000;
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| 368 | G4int L = pcode/10000000;
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| 369 | pcode -= 10000000*L;
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| 370 | G4int Z = pcode/10000;
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| 371 | pcode -= 10000*Z;
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| 372 | G4int A = pcode/10;
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| 373 |
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| 374 | if (A < 2 || Z > A-L || L>A || Z<=0 ) {
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| 375 | #ifdef G4VERBOSE
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| 376 | if (verboseLevel>0) {
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| 377 | G4cout << " G4PDGCodeChecker::CheckPDGCode : ";
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| 378 | G4cout << " ??? Illegal PDG encoding for nucleus ";
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| 379 | G4cout << " PDG code=" << code <<G4endl;
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| 380 | }
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| 381 | #endif
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| 382 | return 0;
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| 383 | }
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| 384 |
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| 385 | G4int n_up = 2*Z + (A-Z-L) + L;
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| 386 | G4int n_down = Z + 2*(A-Z-L) + L;
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| 387 | G4int n_s = L;
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| 388 |
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| 389 | // Fill Quark contents
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| 390 | theQuarkContent[0] = n_up;
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| 391 | theQuarkContent[1] = n_down;
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| 392 | theQuarkContent[2] = n_s;
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| 393 |
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| 394 | return code;
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| 395 | }
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| 396 |
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| 397 | /////////////
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| 398 | void G4PDGCodeChecker::GetDigits(G4int PDGcode)
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| 399 | {
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| 400 | G4int temp = std::abs(PDGcode);
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| 401 |
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| 402 | higherSpin = temp/10000000;
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| 403 | temp -= G4int(higherSpin*10000000);
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| 404 |
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| 405 | exotic = temp/1000000;
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| 406 | temp -= G4int(exotic*1000000);
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| 407 |
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| 408 | radial = temp/100000;
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| 409 | temp -= G4int(radial*100000);
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| 410 |
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| 411 | multiplet = temp/10000;
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| 412 | temp -= G4int(multiplet*10000);
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| 413 |
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| 414 | quark1 = temp/1000;
|
|---|
| 415 | temp -= G4int(quark1*1000);
|
|---|
| 416 |
|
|---|
| 417 | quark2 = temp/100;
|
|---|
| 418 | temp -= G4int(quark2*100);
|
|---|
| 419 |
|
|---|
| 420 | quark3 = temp/10;
|
|---|
| 421 | temp -= G4int(quark3*10);
|
|---|
| 422 |
|
|---|
| 423 | spin= temp;
|
|---|
| 424 | if ((spin ==0) && ( higherSpin !=0 )) {
|
|---|
| 425 | spin = higherSpin-1;
|
|---|
| 426 | } else {
|
|---|
| 427 | spin -= 1;
|
|---|
| 428 | }
|
|---|
| 429 | }
|
|---|
