include/EvtGenModels/EvtRareLbToLllFFlQCD.hh

0001
0002 /***********************************************************************
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0020
0021 #ifndef EVTRARELBTOLLLFFLQCD_HH
0022 #define EVTRARELBTOLLLFFLQCD_HH 1
0023
0024 // Include files
0025
0026 /** @class EvtRareLbToLllFF EvtRareLbToLllFF.hh EvtGenModels/EvtRareLbToLllFF.hh
0027  *
0028  *
0029  *  @author Michal Kreps
0030  *  @date   2016-04-19
0031  *  @date   2014-10-23
0032  */
0033
0034 #include "EvtGenBase/EvtIdSet.hh"
0035 #include "EvtGenBase/EvtParticle.hh"
0036
0037 #include "EvtGenModels/EvtRareLbToLllFFBase.hh"
0038
0039 #include <map>
0040 #include <string>
0041
0042 class EvtRareLbToLllFFlQCD : public EvtRareLbToLllFFBase {
0043   public:
0044     /// Standard constructor
0045     EvtRareLbToLllFFlQCD() = default;
0046
0047     void init() override;
0048
0049     void getFF( EvtParticle* parent, EvtParticle* lambda,
0050                 EvtRareLbToLllFFBase::FormFactors& FF ) override;
0051
0052   private:
0053     double formFactorParametrization( double q2, double a0, double a1,
0054                                       double pole );
0055     double zvar( double q2 );
0056
0057     double fconsts[3][3];
0058     double gconsts[3][3];
0059     double hconsts[3][3];
0060     double htildaconsts[3][3];
0061
0062     double t0;
0063     double tplus;
0064 };
0065
0066 #endif    // EVTRARELBTOLLLFF_HH