Evtbs2llGammaFFMNT.hh

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#ifndef EVTBS2LLGAMMAFFMNT_HH
#define EVTBS2LLGAMMAFFMNT_HH
 
#include "EvtGenModels/Evtbs2llGammaFF.hh"
 
class EvtId;
 
class EvtComplex;
 
// Description: Form factors for rare radiative leptonic B-decays
//              according to the papers:
//              1) F.Kruger, D.Melikhov,  Phys. Rev. D67, 034002, 2003.
//              2) D.Melikhov, N.Nikitin, Phys. Rev. D70, 114028, 2004.
//              3) I.Balakireva, D.Melikhov, N.Nikitin, D.Tlisov,
//                                           e-Print: arXiv:0911.0605 [hep-ph].
// Description: Form-factors for B_q -> gamma transitions,  q={d,s}
//              according to the papers:
//              1) F.Kruger, D.Melikhov,  Phys. Rev. D67, 034002, 2003.
//              2) D.Melikhov, N.Nikitin, Phys. Rev. D70, 114028, 2004.
//              3) I.Balakireva, D.Melikhov, N.Nikitin, D.Tlisov,
//                                        Phys. Rev. D81, 054024, 2010.
 
class Evtbs2llGammaFFMNT : public Evtbs2llGammaFF {
  public:
    Evtbs2llGammaFFMNT();
 
    void getPhotonFF( int decay_id, double fb, EvtId parent, double q2,
                      double M1, double mb, double mq, EvtComplex c7gam,
                      EvtComplex a1, EvtComplex lambda_qu, EvtComplex lambda_qc,
                      EvtComplex& Fv, EvtComplex& Fa, EvtComplex& Ftv,
                      EvtComplex& Fta ) override;
 
    double getQuarkMass( int i ) override;
};
 
#endif