include/EvtGenModels/EvtbTosllMSFF.hh

0001
0002 /***********************************************************************
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0020
0021 #ifndef EVTBTOSLLMSFF_HH
0022 #define EVTBTOSLLMSFF_HH
0023
0024 #include "EvtGenModels/EvtbTosllFFNew.hh"
0025
0026 class EvtId;
0027
0028 // Description: Form factors for B^0_d -> K^* l^+ l^- transition according
0029 //              to the paper: D.Melikhov, B.Stech, PRD62, 014006 (2000).
0030 //  N.Nikitin (nnikit@mail.cern.ch)  March 13, 2008   Module created
0031 //  N.Nikitin (nnikit@mail.cern.ch)  March 27, 2008   add \bar B -> \bar (K,K^*) transition ff
0032 //  N.Nikitin (nnikit@mail.cern.ch)  April 26, 2008   add \bar Bs -> phi transition ff
0033 //  N.Nikitin (nnikit@mail.cern.ch)  April 26, 2008   add \bar Bs -> K*  transition ff
0034 //  N.Nikitin (nnikit@mail.cern.ch)  April 27, 2008   add \bar B -> \bar rho transition ff
0035 //  N.Nikitin (nnikit@mail.cern.ch)  Nvmbr 04, 2011   add \bar B -> omega transition ff
0036 //  N.Nikitin (nnikit@mail.cern.ch)  Dec   16, 2011   add \bar B -> \bar K_1(1270) transition ff (from H.Hatanaka and Kwei-Chou Yang, PRD78, 074007 (2008))
0037 //  N.Nikitin (nnikit@mail.cern.ch)  Dec   16, 2011   add \bar B -> \bar K_1(1400) transition ff (from H.Hatanaka and Kwei-Chou Yang, PRD78, 074007 (2008))
0038 //  N.Nikitin (nnikit@mail.cern.ch)  May   11, 2012   add \bar Bs -> f_0(980) transition ff with NLO corrections from Table II (see P.Colangelo et al., PRD81, 074001 (2010))
0039
0040 class EvtbTosllMSFF : public EvtbTosllFFNew {
0041   public:
0042     EvtbTosllMSFF();
0043
0044     double equation9_10( double ff0, double M2, double q2, double sigma1,
0045                          double sigma2, int eq_num );
0046
0047     void getScalarFF( EvtId parent, EvtId daught, double t, double& fp,
0048                       double& f0, double& ft ) override;
0049
0050     void getVectorFF( EvtId parent, EvtId daught, double t, double& a1,
0051                       double& a2, double& a0, double& v, double& t1, double& t2,
0052                       double& t3 ) override;
0053
0054     double getQuarkMass( int i ) override;
0055
0056   private:
0057 };
0058
0059 #endif