include/EvtGen/EvtGen.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
0004 *                                                                      *
0005 * This file is part of EvtGen.                                         *
0006 *                                                                      *
0007 * EvtGen is free software: you can redistribute it and/or modify       *
0008 * it under the terms of the GNU General Public License as published by *
0009 * the Free Software Foundation, either version 3 of the License, or    *
0010 * (at your option) any later version.                                  *
0011 *                                                                      *
0012 * EvtGen is distributed in the hope that it will be useful,            *
0013 * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
0014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
0015 * GNU General Public License for more details.                         *
0016 *                                                                      *
0017 * You should have received a copy of the GNU General Public License    *
0018 * along with EvtGen.  If not, see <https://www.gnu.org/licenses/>.     *
0019 ***********************************************************************/
0020
0021 #ifndef EVTGEN_HH
0022 #define EVTGEN_HH
0023
0024 #include "EvtGenBase/EvtPDL.hh"
0025
0026 #include <list>
0027 #include <iostream>
0028
0029 class EvtParticle;
0030 class EvtRandomEngine;
0031 class EvtVector4R;
0032 class EvtStdHep;
0033 class EvtSpinDensity;
0034 class EvtAbsRadCorr;
0035 class EvtDecayBase;
0036 class EvtHepMCEvent;
0037
0038 class EvtGen {
0039   public:
0040     EvtGen( const std::string& decayName, const std::string& pdtTableName,
0041             EvtRandomEngine* randomEngine = 0, EvtAbsRadCorr* isrEngine = 0,
0042             const std::list<EvtDecayBase*>* extraModels = 0, int mixingType = 1,
0043             bool useXml = false );
0044
0045     EvtGen( const std::string& decayName, std::istream& pdtTableData,
0046             EvtRandomEngine* randomEngine = 0, EvtAbsRadCorr* isrEngine = 0,
0047             const std::list<EvtDecayBase*>* extraModels = 0, int mixingType = 1,
0048             bool useXml = false );
0049
0050     ~EvtGen();
0051
0052     void readUDecay( const std::string& udecay_name, bool useXml = false );
0053
0054     EvtHepMCEvent* generateDecay( int PDGid, EvtVector4R refFrameP4,
0055                                   EvtVector4R translation,
0056                                   EvtSpinDensity* spinDensity = 0 );
0057
0058     void generateDecay( EvtParticle* p );
0059
0060   private:
0061
0062     void initialize( const std::string& decayName, std::istream& pdtTable,
0063                      EvtRandomEngine* randomEngine = 0,
0064                      EvtAbsRadCorr* isrEngine = 0,
0065                      const std::list<EvtDecayBase*>* extraModels = 0,
0066                      int mixingType = 1, bool useXml = false );
0067
0068     EvtPDL _pdl;
0069     int _mixingType;
0070 };
0071
0072 #endif