include/EvtGenModels/EvtDalitzDecayInfo.hh

0001
0002 /***********************************************************************
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0020
0021 #ifndef EVTDALITZDECAYINFO_HH
0022 #define EVTDALITZDECAYINFO_HH
0023
0024 #include "EvtGenBase/EvtComplex.hh"
0025 #include "EvtGenBase/EvtDalitzReso.hh"
0026 #include "EvtGenBase/EvtId.hh"
0027
0028 #include <vector>
0029
0030 // Description: Model to describe a generic dalitz decay
0031
0032 class EvtDalitzDecayInfo final {
0033   public:
0034     EvtDalitzDecayInfo( EvtId d1, EvtId d2, EvtId d3 ) :
0035         _d1( d1 ), _d2( d2 ), _d3( d3 ), _probMax( 0. )
0036     {
0037     }
0038
0039     void addResonance( EvtComplex amp, EvtDalitzReso res )
0040     {
0041         _resonances.push_back( std::pair<EvtComplex, EvtDalitzReso>( amp, res ) );
0042     }
0043     void addResonance( std::pair<EvtComplex, EvtDalitzReso> res )
0044     {
0045         _resonances.push_back( res );
0046     }
0047     void setProbMax( double probMax ) { _probMax = probMax; }
0048
0049     const std::vector<std::pair<EvtComplex, EvtDalitzReso>>& getResonances() const
0050     {
0051         return _resonances;
0052     }
0053     double getProbMax() const { return _probMax; }
0054
0055     inline const EvtId& daughter1() const { return _d1; }
0056     inline const EvtId& daughter2() const { return _d2; }
0057     inline const EvtId& daughter3() const { return _d3; }
0058
0059   private:
0060     EvtId _d1, _d2, _d3;
0061     std::vector<std::pair<EvtComplex, EvtDalitzReso>> _resonances;
0062     double _probMax;
0063 };
0064
0065 #endif