include/EvtGenBase/EvtLASSAmp.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 *
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0010 * (at your option) any later version.                                  *
0011 *                                                                      *
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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    *
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0019 ***********************************************************************/
0020
0021 #ifndef EVT_LASS_AMP_HH
0022 #define EVT_LASS_AMP_HH
0023
0024 #include "EvtGenBase/EvtAmplitude.hh"
0025 #include "EvtGenBase/EvtCyclic3.hh"
0026 #include "EvtGenBase/EvtDalitzPlot.hh"
0027 #include "EvtGenBase/EvtDalitzPoint.hh"
0028
0029 #include <string>
0030
0031 class EvtComplex;
0032
0033 class EvtLASSAmp : public EvtAmplitude<EvtDalitzPoint> {
0034   public:
0035     EvtLASSAmp( EvtDalitzPlot* dp, EvtCyclic3::Pair pair, double m0, double g0,
0036                 double a, double r, double cutoff, std::string subtype = "LASS" );
0037
0038     EvtComplex amplitude( const EvtDalitzPoint& p ) const override;
0039
0040     EvtAmplitude<EvtDalitzPoint>* clone() const override
0041     {
0042         return new EvtLASSAmp( *this );
0043     }
0044
0045   private:
0046     EvtDalitzPlot* _dalitzSpace;
0047
0048     EvtCyclic3::Pair _pair;
0049
0050     double _m0;
0051     double _g0;
0052     double _q0;
0053     double _r;
0054     double _a;
0055     double _cutoff;
0056     std::string _subtype;
0057 };
0058
0059 #endif