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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/>. //
// //
//************************************************************************//
// resBaseLh class definition file. -*- C++ -*-
// Copyright 2012 Bertram Kopf
#include <getopt.h>
#include <fstream>
#include <string>
#include "resUtils/resBaseLh.hh"
#include "resUtils/resEnv.hh"
#include "resUtils/resReaction.hh"
#include "resUtils/resEnv.hh"
#include "PwaUtils/HeliDecAmps.hh"
#include "PwaUtils/EvtDataBaseList.hh"
#include "PwaUtils/AbsXdecAmp.hh"
#include "PwaUtils/AbsDecay.hh"
#include "PwaUtils/IsobarHeliDecay.hh"
#include "PwaUtils/FitParamsBase.hh"
#include "PwaUtils/XdecAmpRegistry.hh"
#include "Particle/Particle.hh"
#include "ErrLogger/ErrLogger.hh"
#include <boost/bind.hpp>
#include <boost/numeric/ublas/matrix.hpp>
#include <boost/numeric/ublas/io.hpp>
resBaseLh::resBaseLh() :
AbsLh(resEnv::instance())
,_highestJFsp(0)
,_isHighestJaPhoton(true)
{
initialize();
}
resBaseLh::~resBaseLh()
{;
}
complex<double> resBaseLh::calcSpinDensity(Spin M1, Spin M2, std::string& nameDec, EvtData* theData){
complex<double> result(0.,0.);
return result;
}
complex<double> resBaseLh::calcProdPartAmp(Spin lamX, Spin lamDec, std::string nameDec, EvtData* theData,
std::map <std::shared_ptr<const JPCLS>,
std::vector< std::shared_ptr<AbsXdecAmp> >,
pawian::Collection::SharedPtrLess > pbarpAmps){
complex<double> resultAmp(0.,0.);
return resultAmp;
}
double resBaseLh::calcEvtIntensity(EvtData* theData, fitParams& theParamVal){
double result=0.;
int lamSteps=1;
if(_isHighestJaPhoton) lamSteps=2;
for (int lamHigestJFsp=-_highestJFsp; lamHigestJFsp<=_highestJFsp; lamHigestJFsp=lamHigestJFsp+lamSteps){
for( Spin itLam=-_Jmother; itLam<=_Jmother; ++itLam){
complex<double> lamItAmp(0.,0.);
std::vector<std::shared_ptr<AbsXdecAmp> >::iterator itDec;
for( itDec=_decAmps.begin(); itDec!=_decAmps.end(); ++itDec){
complex<double> currentDecAmp=(*itDec)->XdecAmp(itLam, theData, lamHigestJFsp);
lamItAmp+=currentDecAmp;
}
result += norm(lamItAmp);
}
}
if(_usePhasespace) result+=theParamVal.otherParams[_phasespaceKey];
return result;
}
void resBaseLh::print(std::ostream& os) const{
}
void resBaseLh::initialize(){
_Jmother = Spin(resEnv::instance()->motherParticle()->twoJ(), 2);
std::vector<Particle*> fsParticles=resEnv::instance()->finalStateParticles();
std::vector<Particle*>::iterator itParticle;
bool highestJFound=false;
for (itParticle=fsParticles.begin(); itParticle != fsParticles.end(); ++itParticle){
int current2J = (*itParticle)->twoJ();
if(current2J>0){
if(highestJFound){
Alert << "final states with more than 1 particles with J>0 not supported!!!!" << endmsg;
exit(1);
}
_highestJFsp=int(current2J/2);
if( (*itParticle)->name() != "photon" ) _isHighestJaPhoton=false;
}
}
_resReactionPtr = resEnv::instance()->reaction();
std::vector< std::shared_ptr<IsobarHeliDecay> > theDecs = _resReactionPtr->productionHeliDecays();
std::vector< std::shared_ptr<IsobarHeliDecay> >::iterator it;
for (it=theDecs.begin(); it!=theDecs.end(); ++it){
// std::shared_ptr<AbsDecay> currentDec((*it).get() );
// std::shared_ptr<AbsXdecAmp> currentAmp=XdecAmpRegistry::instance()->getXdecAmp(currentDec);
std::shared_ptr<AbsXdecAmp> currentAmp=XdecAmpRegistry::instance()->getXdecAmp((*it)->absDecPtr());
_decAmps.push_back(currentAmp);
}
}