include/EvtGenModels/EvtPropSLPole.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
0004 *                                                                      *
0005 * This file is part of EvtGen.                                         *
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0014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
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0020
0021 #ifndef EVTPROPSLPOLE_HH
0022 #define EVTPROPSLPOLE_HH
0023
0024 #include "EvtGenBase/EvtDecayAmp.hh"
0025 #include "EvtGenBase/EvtPoint1D.hh"
0026 #include "EvtGenBase/EvtSemiLeptonicAmp.hh"
0027 #include "EvtGenBase/EvtSemiLeptonicFF.hh"
0028
0029 #include <memory>
0030
0031 class Evtparticle;
0032
0033 // Description:Semileptonic decays with pole form form factors
0034
0035 class EvtPropSLPole : public EvtDecayAmp {
0036   public:
0037     std::string getName() override;
0038     EvtDecayBase* clone() override;
0039
0040     void decay( EvtParticle* p ) override;
0041     void initProbMax() override;
0042     void init() override;
0043
0044     double calBreitWigner( EvtParticle* pmeson, EvtPoint1D point );
0045     double calBreitWignerBasic( double maxMass );
0046
0047     double calcMaxProb( EvtId parent, EvtId meson, EvtId lepton, EvtId nudaug,
0048                         EvtSemiLeptonicFF* FormFactors );
0049
0050   private:
0051     bool _includeDecayFact;
0052     bool _includeBirthFact;
0053     double _mass;
0054     double _massMin;
0055     double _massMax;
0056     double _width;
0057     double _maxRange;
0058     EvtSpinType::spintype _spin;
0059
0060     double _blatt;
0061     bool _isProbMaxSet;
0062
0063     std::unique_ptr<EvtSemiLeptonicFF> SLPoleffmodel;
0064     std::unique_ptr<EvtSemiLeptonicAmp> calcamp;
0065 };
0066
0067 #endif