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//************************************************************************//
// //
// Copyright 2013 Bertram Kopf (bertram@ep1.rub.de) //
// Julian Pychy (julian@ep1.rub.de) //
// - Ruhr-Universität Bochum //
// //
// This file is part of Pawian. //
// //
// Pawian is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// (at your option) any later version. //
// //
// Pawian is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with Pawian. If not, see <http://www.gnu.org/licenses/>. //
// //
//************************************************************************//
// KMatrixDynamics class definition file. -*- C++ -*-
// Copyright 2013 Bertram Kopf
#include <getopt.h>
#include <fstream>
#include <string>
#include "PwaUtils/KMatrixDynamics.hh"
#include "PwaUtils/XdecAmpRegistry.hh"
#include "PwaUtils/AbsDecay.hh"
#include "PwaUtils/AbsXdecAmp.hh"
#include "PwaUtils/GlobalEnv.hh"
#include "ErrLogger/ErrLogger.hh"
#include "Particle/Particle.hh"
#include "Particle/ParticleTable.hh"
#include "PwaDynamics/FVector.hh"
#include "ConfigParser/KMatrixParser.hh"
#include "PwaDynamics/KMatrixRel.hh"
#include "PwaDynamics/KPole.hh"
#include "PwaDynamics/KPoleBarrier.hh"
#include "PwaDynamics/PPole.hh"
#include "PwaDynamics/PPoleBarrier.hh"
#include "PwaDynamics/AbsPhaseSpace.hh"
#include "PwaDynamics/PhaseSpaceIsobar.hh"
KMatrixDynamics::KMatrixDynamics(std::string& name, std::vector<Particle*>& fsParticles, Particle* mother, std::string& pathToConfigParser) :
AbsDynamics(name, fsParticles, mother)
,_kMatrixParser(new KMatrixParser(pathToConfigParser))
{
init();
}
KMatrixDynamics::~KMatrixDynamics()
{
}
complex<double> KMatrixDynamics::eval(EvtData* theData, AbsXdecAmp* grandmaAmp, Spin OrbMom){
complex<double> result(0.,0.);
int evtNo=theData->evtNo;
std::string currentKey="default";
if(0!=grandmaAmp) currentKey=_massKey+grandmaAmp->absDec()->massParKey();
// if ( _cacheAmps && !_recalcMap[currentKey]){
if ( _cacheAmps && !_recalculate){
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result=_cachedStringMap[evtNo][currentKey];
}
else{
theMutex.lock();
result=_fVecMap[currentKey]->evalProjMatrix(theData->FourVecsString[_dynKey].M(), _projectionIndex);
if ( _cacheAmps){
_cachedStringMap[evtNo][currentKey]=result;
}
theMutex.unlock();
}
return result;
}
void KMatrixDynamics::getDefaultParams(fitParams& fitVal, fitParams& fitErr){
//beta factor for production
std::map<std::string, std::map<std::string, double> >::iterator it1;
for(it1=_currentbFactorMap.begin(); it1!=_currentbFactorMap.end(); ++it1){
std::map<std::string, double>::iterator it2;
std::map<std::string, double>& bFactors=it1->second;
for(it2=bFactors.begin(); it2!=bFactors.end(); ++it2){
fitVal.otherParams[it1->first+it2->first]=it2->second;
fitErr.otherParams[it1->first+it2->first]=1.;
}
}
//pole positions
std::vector<double >::iterator itPoleVec;
for(unsigned int i=0; i<_currentPoleMasses.size(); ++i){
// for(itPoleVec=_currentPoleMasses.begin(); itPoleVec!=_currentPoleMasses.end(); ++itPoleVec){
fitVal.Masses[_poleNames.at(i)]=_currentPoleMasses.at(i);
fitErr.Masses[_poleNames.at(i)]=0.02;
}
//g-factors
for(unsigned int i=0; i<_poleNames.size(); ++i){
std::vector<double> currentgFactorVec=_currentgFactorMap.at(i);
for(unsigned int j=0; j<currentgFactorVec.size(); ++j){
std::string currentName=_poleNames.at(i)+_gFactorNames.at(j)+"gFactor";
fitVal.gFactors[currentName]=currentgFactorVec.at(j);
fitErr.gFactors[currentName]=currentgFactorVec.at(j);
}
}
}
bool KMatrixDynamics::checkRecalculation(fitParams& theParamVal){
_recalculate=false;
//beta factor for production
std::map<std::string, std::map<std::string, double> >::iterator it1;
for(it1=_currentbFactorMap.begin(); it1!=_currentbFactorMap.end(); ++it1){
_recalcMap[it1->first]=false;
std::map<std::string, double>::iterator it2;
std::map<std::string, double>& bFactors=it1->second;
for(it2=bFactors.begin(); it2!=bFactors.end(); ++it2){
if (!CheckDoubleEquality(it2->second, theParamVal.otherParams.at(it1->first+it2->first))){
_recalcMap[it1->first]=true;
_recalculate=true;
}
}
}
//pole positions
std::vector<double >::iterator itPoleVec;
for(unsigned int i=0; i<_currentPoleMasses.size(); ++i){
if (!CheckDoubleEquality( _currentPoleMasses.at(i), theParamVal.Masses[_poleNames.at(i)])){
_recalculate=true;
}
}
//g-factors
for(unsigned int i=0; i<_poleNames.size(); ++i){
std::vector<double> currentgFactorVec=_currentgFactorMap.at(i);
for(unsigned int j=0; j<currentgFactorVec.size(); ++j){
std::string currentName=_poleNames.at(i)+_gFactorNames.at(j)+"gFactor";
if (!CheckDoubleEquality( currentgFactorVec.at(j), theParamVal.gFactors.at(currentName))){
_recalculate=true;
}
}
}
if (_recalculate){
std::map<std::string, bool >::iterator itRecalcMap;
for(itRecalcMap=_recalcMap.begin(); itRecalcMap!=_recalcMap.end(); ++itRecalcMap){
itRecalcMap->second=true;
}
}
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return _recalculate;
}
void KMatrixDynamics::updateFitParams(fitParams& theParamVal){
//beta factor for production
std::map<std::string, std::map<std::string, double> >::iterator it1;
for(it1=_currentbFactorMap.begin(); it1!=_currentbFactorMap.end(); ++it1){
std::map<std::string, double>::iterator it2;
std::map<std::string, double>& bFactors=it1->second;
for(it2=bFactors.begin(); it2!=bFactors.end(); ++it2){
it2->second=theParamVal.otherParams.at(it1->first+it2->first);
}
std::shared_ptr<PVectorRel> currentPVec=_pVecMap[it1->first];
for(unsigned int i=0; i<_poleNames.size(); ++i){
std::string currentName="b_"+_poleNames.at(i);
// std::cout << "currentName: " << currentName << std::endl;
complex<double> currentbFactor=bFactors.at(currentName+"Mag")*complex<double>(cos(bFactors.at(currentName+"Phi")), sin(bFactors.at(currentName+"Phi")));
currentPVec->updateBeta(i, currentbFactor);
}
}
//pole positions
std::vector<double >::iterator itPoleVec;
for(unsigned int i=0; i<_currentPoleMasses.size(); ++i){
double currentPoleMass=theParamVal.Masses[_poleNames.at(i)];
_currentPoleMasses.at(i)=currentPoleMass;
_kPoles.at(i)->updatePoleMass(currentPoleMass);
std::map<std::string, std::shared_ptr<PVectorRel> >::iterator itPVec;
for(itPVec=_pVecMap.begin(); itPVec!=_pVecMap.end(); ++itPVec){
itPVec->second->updatePoleMass(i, currentPoleMass);
}
}
//g-factors
for(unsigned int i=0; i<_poleNames.size(); ++i){
std::vector<double>& currentgFactorVec=_currentgFactorMap.at(i);
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for(unsigned int j=0; j<currentgFactorVec.size(); ++j){
std::string currentName=_poleNames.at(i)+_gFactorNames.at(j)+"gFactor";
currentgFactorVec.at(j)=theParamVal.gFactors.at(currentName);
}
_kPoles.at(i)->updategFactors(currentgFactorVec);
std::map<std::string, std::shared_ptr<PVectorRel> >::iterator itPVec;
for(itPVec=_pVecMap.begin(); itPVec!=_pVecMap.end(); ++itPVec){
itPVec->second->updategFactors(i, currentgFactorVec);
}
}
}
void KMatrixDynamics::addGrandMa(std::shared_ptr<AbsDecay> theDec){
if(0==theDec){
Alert << "Can not add AbsXdecAmp; 0 pointer!!!" << endmsg;
exit(1);
}
std::string theName=_massKey+theDec->massParKey();
std::cout << "addGrandMa:\t" << theName << std::endl;
std::map<std::string, std::shared_ptr<FVector> >::iterator it = _fVecMap.find(theName);
if (it != _fVecMap.end()) return;
std::shared_ptr<PVectorRel> currentPVector=makeNewPVec();
_pVecMap[theName]=currentPVector;
std::vector< std::string>::iterator poleNameIt;
for (poleNameIt=_poleNames.begin(); poleNameIt!=_poleNames.end(); ++poleNameIt){
std::string currentName="b_"+(*poleNameIt);
_currentbFactorMap[theName][currentName+"Mag"]=1.;
_currentbFactorMap[theName][currentName+"Phi"]=0.;
}
std::map<std::string, double>& bFactors = _currentbFactorMap[theName];
for(unsigned int i=0; i<_poleNames.size(); ++i){
std::string currentName="b_"+_poleNames[i];
std::cout << "currentName: " << currentName << std::endl;
complex<double> currentbFactor=bFactors[currentName+"Mag"]*complex<double>(cos(bFactors[currentName+"Phi"]), sin(bFactors[currentName+"Phi"]));
currentPVector->updateBeta(i, currentbFactor);
}
std::shared_ptr<FVector> currentFVector=std::shared_ptr<FVector>(new FVector(_kMatr, currentPVector));
_fVecMap[theName]=currentFVector;
_recalcMap[theName]=true;
}
const std::string& KMatrixDynamics::grandMaKey(AbsXdecAmp* grandmaAmp){
if(0==grandmaAmp) return _grandmaKey;
// return grandmaAmp->absDec()->dynKey();
return grandmaAmp->absDec()->massParKey();
}
void KMatrixDynamics::init(){
std::vector<std::string> poleNameAndMassVecs=_kMatrixParser->poles();
std::vector<std::string>::iterator itString;
for (itString=poleNameAndMassVecs.begin(); itString!=poleNameAndMassVecs.end(); ++itString){
std::istringstream poleIString(*itString);
std::string currentPoleName;
std::string currentPoleMassStr;
poleIString >> currentPoleName >> currentPoleMassStr;
std::istringstream currentPoleMassiStr(currentPoleMassStr);
double currentValue;
if(!(currentPoleMassiStr >> currentValue)){
Alert << "cannot convert " << currentPoleMassStr << " to a double value" << endmsg;
exit(0);
}
_currentPoleMasses.push_back(currentValue);
_poleNames.push_back(currentPoleName);
}
if(_currentPoleMasses.size()!= _kMatrixParser->noOfPoles()){
Alert << "number of poles != number of pole masses" << endmsg;
exit(0);
}
const std::vector<std::string> gFacStringVec=_kMatrixParser->gFactors();
std::vector<std::string>::const_iterator itStrConst;
for(itStrConst=gFacStringVec.begin(); itStrConst!=gFacStringVec.end(); ++itStrConst){
std::istringstream particles(*itStrConst);
std::string firstParticleName;
std::string secondParticleName;
particles >> firstParticleName >> secondParticleName;
Particle* firstParticle = GlobalEnv::instance()->particleTable()->particle(firstParticleName);
Particle* secondParticle = GlobalEnv::instance()->particleTable()->particle(secondParticleName);
if(0==firstParticle || 0==secondParticle){
Alert << "particle with name: " << firstParticleName <<" or " << secondParticleName << " doesn't exist in pdg-table" << endmsg;
exit(0);
}
std::shared_ptr<AbsPhaseSpace> currentPhp(new PhaseSpaceIsobar(firstParticle->mass(), secondParticle->mass()));
_phpVecs.push_back(currentPhp);
std::string gFactorKey=firstParticleName+secondParticleName;
_gFactorNames.push_back(gFactorKey);
for (int i=0; i<int(_kMatrixParser->noOfPoles()); ++i){
std::string currentPoleName=_poleNames[i];
std::string currentgValueStr;
if(!(particles >> currentgValueStr)){
Alert << "g-factors for pole " << currentPoleName << " does not exist!" << endmsg;
exit(0);
}
std::istringstream currentgValueiStr(currentgValueStr);
double currentGValue;
if (!(currentgValueiStr >> currentGValue)){
Alert << "cannot convert " << currentgValueStr << " to a double value" << endmsg;
exit(0);
}
std::string gFactorKey=firstParticleName+secondParticleName;
_currentgFactorMap[i].push_back(currentGValue);
}
}
std::map<int, std::vector<double> >::iterator itgFac;
for (itgFac=_currentgFactorMap.begin(); itgFac!=_currentgFactorMap.end(); ++itgFac){
std::vector<double> currentgVector=itgFac->second;
std::shared_ptr<KPole> currentPole;
if (_kMatrixParser->useBarrierFactors()) currentPole=std::shared_ptr<KPole>(new KPoleBarrier(currentgVector, _currentPoleMasses.at(itgFac->first), _phpVecs, _kMatrixParser->orbitalMom()));
else currentPole=std::shared_ptr<KPole>(new KPole(currentgVector, _currentPoleMasses.at(itgFac->first)));
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_kPoles.push_back(currentPole);
}
_kMatr=std::shared_ptr<KMatrixRel>(new KMatrixRel(_kPoles,_phpVecs ));
const std::string porjectionParticleNames=_kMatrixParser->projection();
std::istringstream projParticles(porjectionParticleNames);
std::string firstProjParticleName;
std::string secondProjParticleName;
projParticles >> firstProjParticleName >> secondProjParticleName;
std::string projKey=firstProjParticleName+secondProjParticleName;
bool found=false;
for(unsigned int i=0; i<_gFactorNames.size();++i){
if(projKey==_gFactorNames[i]){
_projectionIndex=i;
found=true;
}
}
if (!found){
Alert << "projection index for key " << projKey << " not found" << endmsg;
exit(0);
}
}
std::shared_ptr<PVectorRel> KMatrixDynamics::makeNewPVec(){
vector<std::shared_ptr<PPole> > thePpoles;
complex<double> defaultBeta(1.,0.);
vector<std::shared_ptr<KPole> >::iterator it;
for (it=_kPoles.begin(); it!=_kPoles.end(); ++it){
std::vector<double> currentGFactors=(*it)->gFactors();
std::shared_ptr<PPole> currentPPole;
if (_kMatrixParser->useBarrierFactors()) currentPPole=std::shared_ptr<PPole>(new PPoleBarrier(defaultBeta, currentGFactors, (*it)->poleMass(), _phpVecs, _kMatrixParser->orbitalMom()));
else currentPPole=std::shared_ptr<PPole>(new PPole(defaultBeta, currentGFactors, (*it)->poleMass()));
thePpoles.push_back(currentPPole);
}
std::shared_ptr<PVectorRel> thePVector(new PVectorRel(thePpoles, _phpVecs));
return thePVector;
}