include/EvtGenModels/EvtGenericDalitz.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 EVTGENERICDALITZ_HH
0022 #define EVTGENERICDALITZ_HH
0023
0024 #include "EvtGenBase/EvtDalitzReso.hh"
0025 #include "EvtGenBase/EvtDecayAmp.hh"
0026 #include "EvtGenBase/EvtFlatte.hh"
0027
0028 #include <string>
0029 #include <vector>
0030
0031 class EvtParticle;
0032
0033 // Description: Model to describe a generic dalitz decay
0034
0035 class EvtGenericDalitz : public EvtDecayAmp {
0036   public:
0037     std::string getName() override;
0038     EvtDecayBase* clone() override;
0039
0040     void init() override;
0041     void initProbMax() override{};    //prob max will be set in init
0042
0043     void decay( EvtParticle* p ) override;
0044
0045     std::string getParamName( int i ) override;
0046
0047   private:
0048     int _d1, _d2, _d3;
0049     std::vector<std::pair<EvtComplex, EvtDalitzReso>> _resonances;
0050 };
0051
0052 #endif