EvtGen.hh

Go to the documentation of this file.

 
/***********************************************************************
* Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
*                                                                      *
* This file is part of EvtGen.                                         *
*                                                                      *
* EvtGen 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.                                  *
*                                                                      *
* EvtGen 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 EvtGen.  If not, see <https://www.gnu.org/licenses/>.     *
***********************************************************************/
 
#ifndef EVTGEN_HH
#define EVTGEN_HH
 
#include <iostream>
#include <list>
 
class EvtParticle;
class EvtRandomEngine;
class EvtVector4R;
class EvtStdHep;
class EvtSpinDensity;
class EvtAbsRadCorr;
class EvtDecayBase;
class EvtHepMCEvent;
 
class EvtGen {
  public:
    EvtGen( const std::string& decayName, const std::string& pdtTableName,
            EvtRandomEngine* randomEngine = nullptr,
            EvtAbsRadCorr* isrEngine = nullptr,
            const std::list<EvtDecayBase*>* extraModels = nullptr,
            int mixingType = 1, bool useXml = false );
 
    EvtGen( const std::string& decayName, std::istream& pdtTableData,
            EvtRandomEngine* randomEngine = nullptr,
            EvtAbsRadCorr* isrEngine = nullptr,
            const std::list<EvtDecayBase*>* extraModels = nullptr,
            int mixingType = 1, bool useXml = false );
 
    ~EvtGen();
 
    void readUDecay( const std::string& udecay_name, bool useXml = false );
 
    EvtHepMCEvent* generateDecay( int PDGid, EvtVector4R refFrameP4,
                                  EvtVector4R translation,
                                  EvtSpinDensity* spinDensity = nullptr );
 
    void generateDecay( EvtParticle* p );
 
  private:
    void initialize( const std::string& decayName, std::istream& pdtTable,
                     EvtRandomEngine* randomEngine = nullptr,
                     EvtAbsRadCorr* isrEngine = nullptr,
                     const std::list<EvtDecayBase*>* extraModels = nullptr,
                     int mixingType = 1, bool useXml = false );
 
    int m_mixingType;
};
 
#endif