Import Geant4 10.1.0 source tree
This commit is contained in:
Gabriele Cosmo
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//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// particle_hp -- source file
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// J.P. Wellisch, Nov-1996
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// A prototype of the low energy neutron transport model.
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//
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// 070523 bug fix for G4FPE_DEBUG on by A. Howard ( and T. Koi)
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// 070606 bug fix and migrate to enable to Partial cases by T. Koi
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// 080603 bug fix for Hadron Hyper News #932 by T. Koi
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// 080612 bug fix contribution from Benoit Pirard and Laurent Desorgher (Univ. Bern) #4,6
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// 080717 bug fix of calculation of residual momentum by T. Koi
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// 080801 protect negative avalable energy by T. Koi
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// introduce theNDLDataA,Z which has A and Z of NDL data by T. Koi
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// 081024 G4NucleiPropertiesTable:: to G4NucleiProperties::
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// 090514 Fix bug in IC electron emission case
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// Contribution from Chao Zhang (Chao.Zhang@usd.edu) and Dongming Mei(Dongming.Mei@usd.edu)
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// 100406 "nothingWasKnownOnHadron=1" then sample mu isotropic in CM
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// add two_body_reaction
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// 100909 add safty
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// 101111 add safty for _nat_ data case in Binary reaction, but break conservation
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// 110430 add Reaction Q value and break up flag (MF3::QI and LR)
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//
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// P. Arce, June-2014 Conversion neutron_hp to particle_hp
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//
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#include "G4ParticleHPInelasticCompFS.hh"
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#include "G4ParticleHPManager.hh"
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#include "G4Nucleus.hh"
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#include "G4NucleiProperties.hh"
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#include "G4He3.hh"
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#include "G4Alpha.hh"
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#include "G4Electron.hh"
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#include "G4ParticleHPDataUsed.hh"
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#include "G4IonTable.hh"
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void G4ParticleHPInelasticCompFS::InitGammas(G4double AR, G4double ZR)
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{
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// char the[100] = {""};
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// std::ostrstream ost(the, 100, std::ios::out);
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// ost <<gammaPath<<"z"<<ZR<<".a"<<AR;
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// G4String * aName = new G4String(the);
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// std::ifstream from(*aName, std::ios::in);
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std::ostringstream ost;
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ost <<gammaPath<<"z"<<ZR<<".a"<<AR;
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G4String aName = ost.str();
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std::ifstream from(aName, std::ios::in);
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if(!from) return; // no data found for this isotope
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// std::ifstream theGammaData(*aName, std::ios::in);
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std::ifstream theGammaData(aName, std::ios::in);
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theGammas.Init(theGammaData);
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// delete aName;
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}
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void G4ParticleHPInelasticCompFS::Init (G4double A, G4double Z, G4int M, G4String & dirName, G4String & aFSType, G4ParticleDefinition*)
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{
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gammaPath = "/Inelastic/Gammas/"; //only in neutron data base
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if(!getenv("G4NEUTRONHPDATA"))
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throw G4HadronicException(__FILE__, __LINE__, "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files where Inelastic/Gammas data is found.");
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G4String tBase = getenv("G4NEUTRONHPDATA");
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gammaPath = tBase+gammaPath;
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G4String tString = dirName;
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G4bool dbool;
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G4ParticleHPDataUsed aFile = theNames.GetName(static_cast<G4int>(A), static_cast<G4int>(Z), M, tString, aFSType, dbool);
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G4String filename = aFile.GetName();
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#ifdef G4PHPDEBUG
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if( getenv("G4ParticleHPDebug") ) G4cout << " G4ParticleHPInelasticCompFS::Init FILE " << filename << G4endl;
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#endif
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SetAZMs( A, Z, M, aFile );
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//theBaseA = aFile.GetA();
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//theBaseZ = aFile.GetZ();
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//theNDLDataA = (int)aFile.GetA();
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//theNDLDataZ = aFile.GetZ();
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//if(!dbool || ( Z<2.5 && ( std::abs(theBaseZ - Z)>0.0001 || std::abs(theBaseA - A)>0.0001)))
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if ( !dbool || ( Z<2.5 && ( std::abs(theNDLDataZ - Z)>0.0001 || std::abs(theNDLDataA - A)>0.0001)) )
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{
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#ifdef G4PHPDEBUG
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if(getenv("G4ParticleHPDebug_NamesLogging")) G4cout << "Skipped = "<< filename <<" "<<A<<" "<<Z<<G4endl;
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#endif
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hasAnyData = false;
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hasFSData = false;
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hasXsec = false;
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return;
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}
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// theBaseA = A;
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// theBaseZ = G4int(Z+.5);
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//std::ifstream theData(filename, std::ios::in);
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std::istringstream theData(std::ios::in);
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G4ParticleHPManager::GetInstance()->GetDataStream(filename,theData);
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if(!theData) //"!" is a operator of ios
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{
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hasAnyData = false;
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hasFSData = false;
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hasXsec = false;
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// theData.close();
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return;
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}
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// here we go
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G4int infoType, dataType, dummy;
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G4int sfType, it;
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hasFSData = false;
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while (theData >> infoType)
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{
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hasFSData = true;
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theData >> dataType;
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theData >> sfType >> dummy;
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it = 50;
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if(sfType>=600||(sfType<100&&sfType>=50)) it = sfType%50;
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if(dataType==3)
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{
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//theData >> dummy >> dummy;
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//TK110430
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// QI and LR introudced since G4NDL3.15
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G4double dqi;
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G4int ilr;
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theData >> dqi >> ilr;
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QI[ it ] = dqi*CLHEP::eV;
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LR[ it ] = ilr;
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theXsection[it] = new G4ParticleHPVector;
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G4int total;
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theData >> total;
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theXsection[it]->Init(theData, total, CLHEP::eV);
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//std::cout << theXsection[it]->GetXsec(1*MeV) << std::endl;
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}
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else if(dataType==4)
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{
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theAngularDistribution[it] = new G4ParticleHPAngular;
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theAngularDistribution[it]->Init(theData);
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}
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else if(dataType==5)
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{
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theEnergyDistribution[it] = new G4ParticleHPEnergyDistribution;
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theEnergyDistribution[it]->Init(theData);
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}
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else if(dataType==6)
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{
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theEnergyAngData[it] = new G4ParticleHPEnAngCorrelation(theProjectile);
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// G4cout << this << " CompFS theEnergyAngData " << it << theEnergyAngData[it] << G4endl; //GDEB
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theEnergyAngData[it]->Init(theData);
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}
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else if(dataType==12)
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{
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theFinalStatePhotons[it] = new G4ParticleHPPhotonDist;
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theFinalStatePhotons[it]->InitMean(theData);
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}
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else if(dataType==13)
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{
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theFinalStatePhotons[it] = new G4ParticleHPPhotonDist;
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theFinalStatePhotons[it]->InitPartials(theData);
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}
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else if(dataType==14)
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{
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theFinalStatePhotons[it]->InitAngular(theData);
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}
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else if(dataType==15)
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{
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theFinalStatePhotons[it]->InitEnergies(theData);
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}
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else
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{
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throw G4HadronicException(__FILE__, __LINE__, "Data-type unknown to G4ParticleHPInelasticCompFS");
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}
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}
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// theData.close();
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}
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G4int G4ParticleHPInelasticCompFS::SelectExitChannel(G4double eKinetic)
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{
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// it = 0 has without Photon
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G4double running[50];
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running[0] = 0;
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unsigned int i;
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for(i=0; i<50; i++)
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{
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if(i!=0) running[i]=running[i-1];
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if(theXsection[i] != 0)
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{
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running[i] += std::max(0., theXsection[i]->GetXsec(eKinetic));
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}
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}
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G4double random = G4UniformRand();
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G4double sum = running[49];
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G4int it = 50;
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if(0!=sum)
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{
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G4int i0;
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for(i0=0; i0<50; i0++)
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{
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it = i0;
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// G4cout << " SelectExitChannel " << it << " " << random << " " << running[i0]/sum << " " << running[i0] << G4endl; //GDEB
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if(random < running[i0]/sum) break;
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}
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}
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//debug: it = 1;
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// G4cout << " SelectExitChannel " << it << " " << sum << G4endl; //GDEB
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return it;
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}
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//n,p,d,t,he3,a
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void G4ParticleHPInelasticCompFS::CompositeApply(const G4HadProjectile & theTrack, G4ParticleDefinition * aDefinition)
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{
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// prepare neutron
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theResult.Clear();
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G4double eKinetic = theTrack.GetKineticEnergy();
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const G4HadProjectile *hadProjectile = &theTrack;
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G4ReactionProduct incidReactionProduct( const_cast<G4ParticleDefinition *>(hadProjectile->GetDefinition()) ); // incidReactionProduct
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incidReactionProduct.SetMomentum( hadProjectile->Get4Momentum().vect() );
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incidReactionProduct.SetKineticEnergy( eKinetic );
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// prepare target
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G4int i;
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for(i=0; i<50; i++)
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{ if(theXsection[i] != 0) { break; } }
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G4double targetMass=0;
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G4double eps = 0.0001;
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targetMass = ( G4NucleiProperties::GetNuclearMass(static_cast<G4int>(theBaseA+eps), static_cast<G4int>(theBaseZ+eps))) /
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theProjectile->GetPDGMass();
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#ifdef G4PHPDEBUG
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if( getenv("G4ParticleHPDebug")) G4cout <<this <<" G4ParticleHPInelasticCompFS::CompositeApply A " <<theBaseA <<" Z " <<theBaseZ <<" incident " <<hadProjectile->GetDefinition()->GetParticleName() <<G4endl;
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#endif
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// if(theEnergyAngData[i]!=0)
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// targetMass = theEnergyAngData[i]->GetTargetMass();
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// else if(theAngularDistribution[i]!=0)
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// targetMass = theAngularDistribution[i]->GetTargetMass();
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// else if(theFinalStatePhotons[50]!=0)
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// targetMass = theFinalStatePhotons[50]->GetTargetMass();
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G4ReactionProduct theTarget;
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G4Nucleus aNucleus;
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G4ThreeVector neuVelo = (1./hadProjectile->GetDefinition()->GetPDGMass())*incidReactionProduct.GetMomentum();
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theTarget = aNucleus.GetBiasedThermalNucleus( targetMass, neuVelo, theTrack.GetMaterial()->GetTemperature());
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theTarget.SetDefinition( G4IonTable::GetIonTable()->GetIon( G4int(theBaseZ), G4int(theBaseA) , 0.0 ) ); //XX
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// prepare the residual mass
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G4double residualMass=0;
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G4double residualZ = theBaseZ - aDefinition->GetPDGCharge();
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G4double residualA = theBaseA - aDefinition->GetBaryonNumber()+1;
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residualMass = ( G4NucleiProperties::GetNuclearMass(static_cast<G4int>(residualA+eps), static_cast<G4int>(residualZ+eps)) ) /
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theProjectile->GetPDGMass();
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// prepare energy in target rest frame
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G4ReactionProduct boosted;
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boosted.Lorentz(incidReactionProduct, theTarget);
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eKinetic = boosted.GetKineticEnergy();
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// G4double momentumInCMS = boosted.GetTotalMomentum();
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// select exit channel for composite FS class.
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G4int it = SelectExitChannel( eKinetic );
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// set target and neutron in the relevant exit channel
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InitDistributionInitialState(incidReactionProduct, theTarget, it);
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G4ReactionProductVector * thePhotons = 0;
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G4ReactionProductVector * theParticles = 0;
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G4ReactionProduct aHadron;
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aHadron.SetDefinition(aDefinition); // what if only cross-sections exist ==> Na 23 11 @@@@
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G4double availableEnergy = incidReactionProduct.GetKineticEnergy() + incidReactionProduct.GetMass() - aHadron.GetMass() +
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(targetMass - residualMass)*theProjectile->GetPDGMass();
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//080730c
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if ( availableEnergy < 0 )
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{
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//G4cout << "080730c Adjust availavleEnergy " << G4endl;
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availableEnergy = 0;
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}
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G4int nothingWasKnownOnHadron = 0;
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G4int dummy;
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G4double eGamm = 0;
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G4int iLevel=it-1;
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// TK without photon has it = 0
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if( 50 == it )
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{
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// TK Excitation level is not determined
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iLevel=-1;
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aHadron.SetKineticEnergy(availableEnergy*residualMass*theProjectile->GetPDGMass()/
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(aHadron.GetMass()+residualMass*theProjectile->GetPDGMass()));
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//aHadron.SetMomentum(incidReactionProduct.GetMomentum()*(1./incidReactionProduct.GetTotalMomentum())*
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// std::sqrt(aHadron.GetTotalEnergy()*aHadron.GetTotalEnergy()-
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// aHadron.GetMass()*aHadron.GetMass()));
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//TK add safty 100909
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G4double p2 = ( aHadron.GetTotalEnergy()*aHadron.GetTotalEnergy() - aHadron.GetMass()*aHadron.GetMass() );
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G4double p = 0.0;
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if ( p2 > 0.0 ) p = std::sqrt( p );
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aHadron.SetMomentum(incidReactionProduct.GetMomentum()*(1./incidReactionProduct.GetTotalMomentum())*p );
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}
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else
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{
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while ( iLevel!=-1 && theGammas.GetLevel(iLevel) == 0 ) { iLevel--; }
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}
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if ( theAngularDistribution[it] != 0 ) // MF4
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{
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if(theEnergyDistribution[it]!=0) // MF5
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{
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//************************************************************
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/*
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aHadron.SetKineticEnergy(theEnergyDistribution[it]->Sample(eKinetic, dummy));
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G4double eSecN = aHadron.GetKineticEnergy();
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*/
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//************************************************************
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//EMendoza --> maximum allowable energy should be taken into account.
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G4double dqi = 0.0;
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if ( QI[it] < 0 || 849 < QI[it] ) dqi = QI[it]; //For backword compatibility QI introduced since G4NDL3.15
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G4double MaxEne=eKinetic+dqi;
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G4double eSecN;
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do{
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eSecN=theEnergyDistribution[it]->Sample(eKinetic, dummy);
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}while(eSecN>MaxEne);
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aHadron.SetKineticEnergy(eSecN);
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//************************************************************
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eGamm = eKinetic-eSecN;
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for(iLevel=theGammas.GetNumberOfLevels()-1; iLevel>=0; iLevel--)
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{
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if(theGammas.GetLevelEnergy(iLevel)<eGamm) break;
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}
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G4double random = 2*G4UniformRand();
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iLevel+=G4int(random);
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if(iLevel>theGammas.GetNumberOfLevels()-1)iLevel = theGammas.GetNumberOfLevels()-1;
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}
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else
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{
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G4double eExcitation = 0;
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if(iLevel>=0) eExcitation = theGammas.GetLevel(iLevel)->GetLevelEnergy();
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while (eKinetic-eExcitation < 0 && iLevel>0)
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{
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iLevel--;
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eExcitation = theGammas.GetLevel(iLevel)->GetLevelEnergy();
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}
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//110610TK BEGIN
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//Use QI value for calculating excitation energy of residual.
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G4bool useQI=false;
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G4double dqi = QI[it];
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if ( dqi < 0 || 849 < dqi ) useQI = true; //Former libraies does not have values of this range
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if ( useQI )
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{
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// QI introudced since G4NDL3.15
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eExcitation = -QI[it];
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//Re-evluate iLevel based on this eExcitation
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iLevel = 0;
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G4bool find = false;
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G4int imaxEx = 0;
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while( theGammas.GetLevel(iLevel+1) != 0 )
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{
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G4double maxEx = 0.0;
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if ( maxEx < theGammas.GetLevel(iLevel)->GetLevelEnergy() )
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{
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maxEx = theGammas.GetLevel(iLevel)->GetLevelEnergy();
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imaxEx = iLevel;
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}
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if ( eExcitation < theGammas.GetLevel(iLevel)->GetLevelEnergy() )
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{
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find = true;
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iLevel--;
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// very small eExcitation, iLevel becomes -1, this is protected below.
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if ( iLevel == -1 ) iLevel = 0; // But cause energy trouble.
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break;
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}
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iLevel++;
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}
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// In case, cannot find proper level, then use the maximum level.
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if ( !find ) iLevel = imaxEx;
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}
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//110610TK END
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if(getenv("G4ParticleHPDebug") && eKinetic-eExcitation < 0)
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||||
{
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throw G4HadronicException(__FILE__, __LINE__, "SEVERE: InelasticCompFS: Consistency of data not good enough, please file report");
|
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}
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if(eKinetic-eExcitation < 0) eExcitation = 0;
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if(iLevel!= -1) aHadron.SetKineticEnergy(eKinetic - eExcitation);
|
||||
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}
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theAngularDistribution[it]->SampleAndUpdate(aHadron);
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||||
|
||||
if( theFinalStatePhotons[it] == 0 )
|
||||
{
|
||||
//G4cout << "110610 USE Gamma Level" << G4endl;
|
||||
// TK comment Most n,n* eneter to this
|
||||
thePhotons = theGammas.GetDecayGammas(iLevel);
|
||||
eGamm -= theGammas.GetLevelEnergy(iLevel);
|
||||
if(eGamm>0) // @ ok for now, but really needs an efficient way of correllated sampling @
|
||||
{
|
||||
G4ReactionProduct * theRestEnergy = new G4ReactionProduct;
|
||||
theRestEnergy->SetDefinition(G4Gamma::Gamma());
|
||||
theRestEnergy->SetKineticEnergy(eGamm);
|
||||
G4double costh = 2.*G4UniformRand()-1.;
|
||||
G4double phi = CLHEP::twopi*G4UniformRand();
|
||||
theRestEnergy->SetMomentum(eGamm*std::sin(std::acos(costh))*std::cos(phi),
|
||||
eGamm*std::sin(std::acos(costh))*std::sin(phi),
|
||||
eGamm*costh);
|
||||
if(thePhotons == 0) { thePhotons = new G4ReactionProductVector; }
|
||||
thePhotons->push_back(theRestEnergy);
|
||||
}
|
||||
}
|
||||
}
|
||||
else if(theEnergyAngData[it] != 0) // MF6
|
||||
{
|
||||
theParticles = theEnergyAngData[it]->Sample(eKinetic);
|
||||
}
|
||||
else
|
||||
{
|
||||
// @@@ what to do, if we have photon data, but no info on the hadron itself
|
||||
nothingWasKnownOnHadron = 1;
|
||||
}
|
||||
|
||||
//G4cout << "theFinalStatePhotons it " << it << G4endl;
|
||||
//G4cout << "theFinalStatePhotons[it] " << theFinalStatePhotons[it] << G4endl;
|
||||
//G4cout << "theFinalStatePhotons it " << it << G4endl;
|
||||
//G4cout << "theFinalStatePhotons[it] " << theFinalStatePhotons[it] << G4endl;
|
||||
//G4cout << "thePhotons " << thePhotons << G4endl;
|
||||
|
||||
if ( theFinalStatePhotons[it] != 0 )
|
||||
{
|
||||
// the photon distributions are in the Nucleus rest frame.
|
||||
// TK residual rest frame
|
||||
G4ReactionProduct boosted_tmp;
|
||||
boosted_tmp.Lorentz(incidReactionProduct, theTarget);
|
||||
G4double anEnergy = boosted_tmp.GetKineticEnergy();
|
||||
thePhotons = theFinalStatePhotons[it]->GetPhotons(anEnergy);
|
||||
G4double aBaseEnergy = theFinalStatePhotons[it]->GetLevelEnergy();
|
||||
G4double testEnergy = 0;
|
||||
if(thePhotons!=0 && thePhotons->size()!=0)
|
||||
{ aBaseEnergy-=thePhotons->operator[](0)->GetTotalEnergy(); }
|
||||
if(theFinalStatePhotons[it]->NeedsCascade())
|
||||
{
|
||||
while(aBaseEnergy>0.01*CLHEP::keV)
|
||||
{
|
||||
// cascade down the levels
|
||||
G4bool foundMatchingLevel = false;
|
||||
G4int closest = 2;
|
||||
G4double deltaEold = -1;
|
||||
for(G4int j=1; j<it; j++)
|
||||
{
|
||||
if(theFinalStatePhotons[j]!=0)
|
||||
{
|
||||
testEnergy = theFinalStatePhotons[j]->GetLevelEnergy();
|
||||
}
|
||||
else
|
||||
{
|
||||
testEnergy = 0;
|
||||
}
|
||||
G4double deltaE = std::abs(testEnergy-aBaseEnergy);
|
||||
if(deltaE<0.1*CLHEP::keV)
|
||||
{
|
||||
G4ReactionProductVector * theNext =
|
||||
theFinalStatePhotons[j]->GetPhotons(anEnergy);
|
||||
thePhotons->push_back(theNext->operator[](0));
|
||||
aBaseEnergy = testEnergy-theNext->operator[](0)->GetTotalEnergy();
|
||||
delete theNext;
|
||||
foundMatchingLevel = true;
|
||||
break; // ===>
|
||||
}
|
||||
if(theFinalStatePhotons[j]!=0 && ( deltaE<deltaEold||deltaEold<0.) )
|
||||
{
|
||||
closest = j;
|
||||
deltaEold = deltaE;
|
||||
}
|
||||
} // <=== the break goes here.
|
||||
if(!foundMatchingLevel)
|
||||
{
|
||||
G4ReactionProductVector * theNext =
|
||||
theFinalStatePhotons[closest]->GetPhotons(anEnergy);
|
||||
thePhotons->push_back(theNext->operator[](0));
|
||||
aBaseEnergy = aBaseEnergy-theNext->operator[](0)->GetTotalEnergy();
|
||||
delete theNext;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
unsigned int i0;
|
||||
if(thePhotons!=0)
|
||||
{
|
||||
for(i0=0; i0<thePhotons->size(); i0++)
|
||||
{
|
||||
// back to lab
|
||||
thePhotons->operator[](i0)->Lorentz(*(thePhotons->operator[](i0)), -1.*theTarget);
|
||||
}
|
||||
}
|
||||
//G4cout << "nothingWasKnownOnHadron " << nothingWasKnownOnHadron << G4endl;
|
||||
if(nothingWasKnownOnHadron)
|
||||
{
|
||||
// TKDB 100405
|
||||
// In this case, hadron should be isotropic in CM
|
||||
// mu and p should be correlated
|
||||
//
|
||||
G4double totalPhotonEnergy = 0.0;
|
||||
if ( thePhotons != 0 )
|
||||
{
|
||||
unsigned int nPhotons = thePhotons->size();
|
||||
unsigned int ii0;
|
||||
for ( ii0=0; ii0<nPhotons; ii0++)
|
||||
{
|
||||
//thePhotons has energies at LAB system
|
||||
totalPhotonEnergy += thePhotons->operator[](ii0)->GetTotalEnergy();
|
||||
}
|
||||
}
|
||||
|
||||
//isotropic distribution in CM
|
||||
G4double mu = 1.0 - 2 * G4UniformRand();
|
||||
|
||||
// need momentums in target rest frame;
|
||||
G4LorentzVector target_in_LAB ( theTarget.GetMomentum() , theTarget.GetTotalEnergy() );
|
||||
G4ThreeVector boostToTargetRest = -target_in_LAB.boostVector();
|
||||
G4LorentzVector proj_in_LAB = hadProjectile->Get4Momentum();
|
||||
|
||||
G4DynamicParticle* proj = new G4DynamicParticle( theProjectile , proj_in_LAB.boost( boostToTargetRest ) );
|
||||
G4DynamicParticle* targ = new G4DynamicParticle( G4IonTable::GetIonTable()->GetIon ( (G4int)theBaseZ , (G4int)theBaseA , totalPhotonEnergy ) , G4ThreeVector(0) );
|
||||
G4DynamicParticle* hadron = new G4DynamicParticle( aHadron.GetDefinition() , G4ThreeVector(0) ); // will be fill momentum
|
||||
|
||||
two_body_reaction ( proj , targ , hadron , mu );
|
||||
|
||||
G4LorentzVector hadron_in_trag_rest = hadron->Get4Momentum();
|
||||
G4LorentzVector hadron_in_LAB = hadron_in_trag_rest.boost ( -boostToTargetRest );
|
||||
aHadron.SetMomentum( hadron_in_LAB.v() );
|
||||
aHadron.SetKineticEnergy ( hadron_in_LAB.e() - hadron_in_LAB.m() );
|
||||
|
||||
delete proj;
|
||||
delete targ;
|
||||
delete hadron;
|
||||
|
||||
//TKDB 100405
|
||||
/*
|
||||
G4double totalPhotonEnergy = 0;
|
||||
if(thePhotons!=0)
|
||||
{
|
||||
unsigned int nPhotons = thePhotons->size();
|
||||
unsigned int i0;
|
||||
for(i0=0; i0<nPhotons; i0++)
|
||||
{
|
||||
totalPhotonEnergy += thePhotons->operator[](i0)->GetTotalEnergy();
|
||||
}
|
||||
}
|
||||
availableEnergy -= totalPhotonEnergy;
|
||||
residualMass += totalPhotonEnergy/theProjectile->GetPDGMass();
|
||||
aHadron.SetKineticEnergy(availableEnergy*residualMass*theProjectile->GetPDGMass()/
|
||||
(aHadron.GetMass()+residualMass*theProjectile->GetPDGMass()));
|
||||
G4double CosTheta = 1.0 - 2.0*G4UniformRand();
|
||||
G4double SinTheta = std::sqrt(1.0 - CosTheta*CosTheta);
|
||||
G4double Phi = twopi*G4UniformRand();
|
||||
G4ThreeVector Vector(std::cos(Phi)*SinTheta, std::sin(Phi)*SinTheta, CosTheta);
|
||||
//aHadron.SetMomentum(Vector* std::sqrt(aHadron.GetTotalEnergy()*aHadron.GetTotalEnergy()-
|
||||
// aHadron.GetMass()*aHadron.GetMass()));
|
||||
G4double p2 = aHadron.GetTotalEnergy()*aHadron.GetTotalEnergy()- aHadron.GetMass()*aHadron.GetMass();
|
||||
|
||||
G4double p = 0.0;
|
||||
if ( p2 > 0.0 )
|
||||
p = std::sqrt ( p2 );
|
||||
|
||||
aHadron.SetMomentum( Vector*p );
|
||||
*/
|
||||
|
||||
}
|
||||
|
||||
// fill the result
|
||||
// Beware - the recoil is not necessarily in the particles...
|
||||
// Can be calculated from momentum conservation?
|
||||
// The idea is that the particles ar emitted forst, and the gammas only once the
|
||||
// recoil is on the residual; assumption is that gammas do not contribute to
|
||||
// the recoil.
|
||||
// This needs more design @@@
|
||||
|
||||
G4int nSecondaries = 2; // the hadron and the recoil
|
||||
G4bool needsSeparateRecoil = false;
|
||||
G4int totalBaryonNumber = 0;
|
||||
G4int totalCharge = 0;
|
||||
G4ThreeVector totalMomentum(0);
|
||||
if(theParticles != 0)
|
||||
{
|
||||
nSecondaries = theParticles->size();
|
||||
const G4ParticleDefinition * aDef;
|
||||
unsigned int ii0;
|
||||
for(ii0=0; ii0<theParticles->size(); ii0++)
|
||||
{
|
||||
aDef = theParticles->operator[](ii0)->GetDefinition();
|
||||
totalBaryonNumber+=aDef->GetBaryonNumber();
|
||||
totalCharge+=G4int(aDef->GetPDGCharge()+eps);
|
||||
totalMomentum += theParticles->operator[](ii0)->GetMomentum();
|
||||
}
|
||||
if(totalBaryonNumber!=G4int(theBaseA+eps+hadProjectile->GetDefinition()->GetBaryonNumber()))
|
||||
{
|
||||
needsSeparateRecoil = true;
|
||||
nSecondaries++;
|
||||
residualA = G4int(theBaseA+eps+hadProjectile->GetDefinition()->GetBaryonNumber()
|
||||
-totalBaryonNumber);
|
||||
residualZ = G4int(theBaseZ+eps+hadProjectile->GetDefinition()->GetPDGCharge()
|
||||
-totalCharge);
|
||||
}
|
||||
}
|
||||
|
||||
G4int nPhotons = 0;
|
||||
if(thePhotons!=0) { nPhotons = thePhotons->size(); }
|
||||
nSecondaries += nPhotons;
|
||||
|
||||
G4DynamicParticle * theSec;
|
||||
|
||||
if( theParticles==0 )
|
||||
{
|
||||
theSec = new G4DynamicParticle;
|
||||
theSec->SetDefinition(aHadron.GetDefinition());
|
||||
theSec->SetMomentum(aHadron.GetMomentum());
|
||||
theResult.AddSecondary(theSec);
|
||||
#ifdef G4PHPDEBUG
|
||||
if( getenv("G4ParticleHPDebug")) G4cout << this << " G4ParticleHPInelasticCompFS::BaseApply add secondary1 " << theSec->GetParticleDefinition()->GetParticleName() << " E= " << theSec->GetKineticEnergy() << " NSECO " << theResult.GetNumberOfSecondaries() << G4endl;
|
||||
#endif
|
||||
|
||||
aHadron.Lorentz(aHadron, theTarget);
|
||||
G4ReactionProduct theResidual;
|
||||
theResidual.SetDefinition(G4IonTable::GetIonTable()
|
||||
->GetIon(static_cast<G4int>(residualZ), static_cast<G4int>(residualA), 0));
|
||||
theResidual.SetKineticEnergy(aHadron.GetKineticEnergy()*aHadron.GetMass()/theResidual.GetMass());
|
||||
|
||||
//080612TK contribution from Benoit Pirard and Laurent Desorgher (Univ. Bern) #6
|
||||
//theResidual.SetMomentum(-1.*aHadron.GetMomentum());
|
||||
G4ThreeVector incidentNeutronMomentum = incidReactionProduct.GetMomentum();
|
||||
theResidual.SetMomentum(incidentNeutronMomentum - aHadron.GetMomentum());
|
||||
|
||||
theResidual.Lorentz(theResidual, -1.*theTarget);
|
||||
G4ThreeVector totalPhotonMomentum(0,0,0);
|
||||
if(thePhotons!=0)
|
||||
{
|
||||
for(i=0; i<nPhotons; i++)
|
||||
{
|
||||
totalPhotonMomentum += thePhotons->operator[](i)->GetMomentum();
|
||||
}
|
||||
}
|
||||
theSec = new G4DynamicParticle;
|
||||
theSec->SetDefinition(theResidual.GetDefinition());
|
||||
theSec->SetMomentum(theResidual.GetMomentum()-totalPhotonMomentum);
|
||||
theResult.AddSecondary(theSec);
|
||||
#ifdef G4PHPDEBUG
|
||||
if( getenv("G4ParticleHPDebug")) G4cout << this << " G4ParticleHPInelasticCompFS::BaseApply add secondary2 " << theSec->GetParticleDefinition()->GetParticleName() << " E= " << theSec->GetKineticEnergy() << " NSECO " << theResult.GetNumberOfSecondaries() << G4endl;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
for(i0=0; i0<theParticles->size(); i0++)
|
||||
{
|
||||
theSec = new G4DynamicParticle;
|
||||
theSec->SetDefinition(theParticles->operator[](i0)->GetDefinition());
|
||||
theSec->SetMomentum(theParticles->operator[](i0)->GetMomentum());
|
||||
theResult.AddSecondary(theSec);
|
||||
#ifdef G4PHPDEBUG
|
||||
if( getenv("G4ParticleHPDebug")) G4cout << this << " G4ParticleHPInelasticCompFS::BaseApply add secondary3 " << theSec->GetParticleDefinition()->GetParticleName() << " E= " << theSec->GetKineticEnergy() << " NSECO " << theResult.GetNumberOfSecondaries() << G4endl;
|
||||
#endif
|
||||
delete theParticles->operator[](i0);
|
||||
}
|
||||
delete theParticles;
|
||||
if(needsSeparateRecoil && residualZ!=0)
|
||||
{
|
||||
G4ReactionProduct theResidual;
|
||||
theResidual.SetDefinition(G4IonTable::GetIonTable()
|
||||
->GetIon(static_cast<G4int>(residualZ), static_cast<G4int>(residualA), 0));
|
||||
G4double resiualKineticEnergy = theResidual.GetMass()*theResidual.GetMass();
|
||||
resiualKineticEnergy += totalMomentum*totalMomentum;
|
||||
resiualKineticEnergy = std::sqrt(resiualKineticEnergy) - theResidual.GetMass();
|
||||
// cout << "Kinetic energy of the residual = "<<resiualKineticEnergy<<endl;
|
||||
theResidual.SetKineticEnergy(resiualKineticEnergy);
|
||||
|
||||
//080612TK contribution from Benoit Pirard and Laurent Desorgher (Univ. Bern) #4
|
||||
//theResidual.SetMomentum(-1.*totalMomentum);
|
||||
//G4ThreeVector incidentNeutronMomentum = incidReactionProduct.GetMomentum();
|
||||
//theResidual.SetMomentum(incidentNeutronMomentum - aHadron.GetMomentum());
|
||||
//080717 TK Comment still do NOT include photon's mometum which produce by thePhotons
|
||||
theResidual.SetMomentum( incidReactionProduct.GetMomentum() + theTarget.GetMomentum() - totalMomentum );
|
||||
|
||||
theSec = new G4DynamicParticle;
|
||||
theSec->SetDefinition(theResidual.GetDefinition());
|
||||
theSec->SetMomentum(theResidual.GetMomentum());
|
||||
theResult.AddSecondary(theSec);
|
||||
#ifdef G4PHPDEBUG
|
||||
if( getenv("G4ParticleHPDebug")) G4cout << this << " G4ParticleHPInelasticCompFS::BaseApply add secondary4 " << theSec->GetParticleDefinition()->GetParticleName() << " E= " << theSec->GetKineticEnergy() << " NSECO " << theResult.GetNumberOfSecondaries() << G4endl;
|
||||
#endif
|
||||
|
||||
}
|
||||
}
|
||||
if(thePhotons!=0)
|
||||
{
|
||||
for(i=0; i<nPhotons; i++)
|
||||
{
|
||||
theSec = new G4DynamicParticle;
|
||||
//Bug reported Chao Zhang (Chao.Zhang@usd.edu), Dongming Mei(Dongming.Mei@usd.edu) Feb. 25, 2009
|
||||
//theSec->SetDefinition(G4Gamma::Gamma());
|
||||
theSec->SetDefinition( thePhotons->operator[](i)->GetDefinition() );
|
||||
//But never cause real effect at least with G4NDL3.13 TK
|
||||
theSec->SetMomentum(thePhotons->operator[](i)->GetMomentum());
|
||||
theResult.AddSecondary(theSec);
|
||||
#ifdef G4PHPDEBUG
|
||||
if( getenv("G4ParticleHPDebug")) G4cout << this << " G4ParticleHPInelasticCompFS::BaseApply add secondary5 " << theSec->GetParticleDefinition()->GetParticleName() << " E= " << theSec->GetKineticEnergy() << " NSECO " << theResult.GetNumberOfSecondaries() << G4endl;
|
||||
#endif
|
||||
|
||||
delete thePhotons->operator[](i);
|
||||
}
|
||||
// some garbage collection
|
||||
delete thePhotons;
|
||||
}
|
||||
|
||||
//080721
|
||||
G4ParticleDefinition* targ_pd = G4IonTable::GetIonTable()->GetIon ( (G4int)theBaseZ , (G4int)theBaseA , 0.0 );
|
||||
G4LorentzVector targ_4p_lab ( theTarget.GetMomentum() , std::sqrt( targ_pd->GetPDGMass()*targ_pd->GetPDGMass() + theTarget.GetMomentum().mag2() ) );
|
||||
G4LorentzVector proj_4p_lab = theTrack.Get4Momentum();
|
||||
G4LorentzVector init_4p_lab = proj_4p_lab + targ_4p_lab;
|
||||
adjust_final_state ( init_4p_lab );
|
||||
|
||||
// clean up the primary neutron
|
||||
theResult.SetStatusChange(stopAndKill);
|
||||
}
|
||||
|
||||
|
||||
|
||||
#include "G4RotationMatrix.hh"
|
||||
void G4ParticleHPInelasticCompFS::two_body_reaction ( G4DynamicParticle* proj, G4DynamicParticle* targ, G4DynamicParticle* hadron, G4double mu )
|
||||
{
|
||||
|
||||
// Target rest flame
|
||||
// 4vector in targ rest frame;
|
||||
// targ could have excitation energy (photon energy will be emiited) tricky but,,,
|
||||
|
||||
G4LorentzVector before = proj->Get4Momentum() + targ->Get4Momentum();
|
||||
|
||||
G4ThreeVector p3_proj = proj->GetMomentum();
|
||||
G4ThreeVector d = p3_proj.unit();
|
||||
G4RotationMatrix rot;
|
||||
G4RotationMatrix rot1;
|
||||
rot1.setPhi( CLHEP::pi/2 + d.phi() );
|
||||
G4RotationMatrix rot2;
|
||||
rot2.setTheta( d.theta() );
|
||||
rot=rot2*rot1;
|
||||
proj->SetMomentum( rot*p3_proj );
|
||||
|
||||
// Now proj only has pz component;
|
||||
|
||||
// mu in CM system
|
||||
|
||||
//Valid only for neutron incidence
|
||||
G4DynamicParticle* residual = new G4DynamicParticle ( G4IonTable::GetIonTable()->GetIon ( (G4int)( targ->GetDefinition()->GetPDGCharge() - hadron->GetDefinition()->GetPDGCharge() ) , (G4int)(targ->GetDefinition()->GetBaryonNumber() - hadron->GetDefinition()->GetBaryonNumber()+1) , 0 ) , G4ThreeVector(0) );
|
||||
|
||||
G4double Q = proj->GetDefinition()->GetPDGMass() + targ->GetDefinition()->GetPDGMass()
|
||||
- ( hadron->GetDefinition()->GetPDGMass() + residual->GetDefinition()->GetPDGMass() );
|
||||
|
||||
// Non Relativistic Case
|
||||
G4double A = targ->GetDefinition()->GetPDGMass() / proj->GetDefinition()->GetPDGMass();
|
||||
G4double AA = hadron->GetDefinition()->GetPDGMass() / proj->GetDefinition()->GetPDGMass();
|
||||
G4double E1 = proj->GetKineticEnergy();
|
||||
|
||||
// 101111
|
||||
// In _nat_ data (Q+E1) could become negative value, following line is safty for this case.
|
||||
//if ( (Q+E1) < 0 )
|
||||
if ( ( 1 + (1+A)/A*Q/E1 ) < 0 )
|
||||
{
|
||||
// 1.0e-6 eV is additional safty for numeric precision
|
||||
Q = -( A/(1+A)*E1 ) + 1.0e-6*CLHEP::eV;
|
||||
}
|
||||
|
||||
G4double beta = std::sqrt ( A*(A+1-AA)/AA*( 1 + (1+A)/A*Q/E1 ) );
|
||||
G4double gamma = AA/(A+1-AA)*beta;
|
||||
G4double E3 = AA/std::pow((1+A),2)*(beta*beta+1+2*beta*mu)*E1;
|
||||
G4double omega3 = (1+beta*mu)/std::sqrt(beta*beta+1+2*beta*mu);
|
||||
if ( omega3 > 1.0 ) omega3 = 1.0;
|
||||
|
||||
G4double E4 = (A+1-AA)/std::pow((1+A),2)*(gamma*gamma+1-2*gamma*mu)*E1;
|
||||
G4double omega4 = (1-gamma*mu)/std::sqrt(gamma*gamma+1-2*gamma*mu);
|
||||
if ( omega4 > 1.0 ) omega4 = 1.0;
|
||||
|
||||
hadron->SetKineticEnergy ( E3 );
|
||||
|
||||
G4double M = hadron->GetDefinition()->GetPDGMass();
|
||||
G4double pmag = std::sqrt ((E3+M)*(E3+M)-M*M) ;
|
||||
G4ThreeVector p ( 0 , pmag*std::sqrt(1-omega3*omega3), pmag*omega3 );
|
||||
|
||||
G4double M4 = residual->GetDefinition()->GetPDGMass();
|
||||
G4double pmag4 = std::sqrt ((E4+M4)*(E4+M4)-M4*M4) ;
|
||||
G4ThreeVector p4 ( 0 , -pmag4*std::sqrt(1-omega4*omega4), pmag4*omega4 );
|
||||
|
||||
// Rotate to orginal target rest flame.
|
||||
p *= rot.inverse();
|
||||
hadron->SetMomentum( p );
|
||||
// Now hadron had 4 momentum in target rest flame
|
||||
|
||||
// TypeA
|
||||
p4 *= rot.inverse();
|
||||
residual->SetMomentum ( p4 );
|
||||
|
||||
//TypeB1
|
||||
//residual->Set4Momentum ( p4_residual );
|
||||
//TypeB2
|
||||
//residual->SetMomentum ( p4_residual.v() );
|
||||
|
||||
// Type A make difference in Momenutum
|
||||
// Type B1 make difference in Mass of residual
|
||||
// Type B2 make difference in total energy.
|
||||
|
||||
delete residual;
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user